163ee04c8SGilad Ben-Yossef // SPDX-License-Identifier: GPL-2.0 203963caeSGilad Ben-Yossef /* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ 363ee04c8SGilad Ben-Yossef 463ee04c8SGilad Ben-Yossef #include <linux/kernel.h> 563ee04c8SGilad Ben-Yossef #include <linux/module.h> 663ee04c8SGilad Ben-Yossef #include <crypto/algapi.h> 763ee04c8SGilad Ben-Yossef #include <crypto/internal/skcipher.h> 800cd6b23SArd Biesheuvel #include <crypto/internal/des.h> 963ee04c8SGilad Ben-Yossef #include <crypto/xts.h> 109b8d51f8SGilad Ben-Yossef #include <crypto/sm4.h> 1163ee04c8SGilad Ben-Yossef #include <crypto/scatterwalk.h> 1263ee04c8SGilad Ben-Yossef 1363ee04c8SGilad Ben-Yossef #include "cc_driver.h" 1463ee04c8SGilad Ben-Yossef #include "cc_lli_defs.h" 1563ee04c8SGilad Ben-Yossef #include "cc_buffer_mgr.h" 1663ee04c8SGilad Ben-Yossef #include "cc_cipher.h" 1763ee04c8SGilad Ben-Yossef #include "cc_request_mgr.h" 1863ee04c8SGilad Ben-Yossef 195620eb6cSArd Biesheuvel #define MAX_SKCIPHER_SEQ_LEN 6 2063ee04c8SGilad Ben-Yossef 2163ee04c8SGilad Ben-Yossef #define template_skcipher template_u.skcipher 2263ee04c8SGilad Ben-Yossef 2363ee04c8SGilad Ben-Yossef struct cc_cipher_handle { 2463ee04c8SGilad Ben-Yossef struct list_head alg_list; 2563ee04c8SGilad Ben-Yossef }; 2663ee04c8SGilad Ben-Yossef 2763ee04c8SGilad Ben-Yossef struct cc_user_key_info { 2863ee04c8SGilad Ben-Yossef u8 *key; 2963ee04c8SGilad Ben-Yossef dma_addr_t key_dma_addr; 3063ee04c8SGilad Ben-Yossef }; 3163ee04c8SGilad Ben-Yossef 3263ee04c8SGilad Ben-Yossef struct cc_hw_key_info { 3363ee04c8SGilad Ben-Yossef enum cc_hw_crypto_key key1_slot; 3463ee04c8SGilad Ben-Yossef enum cc_hw_crypto_key key2_slot; 3563ee04c8SGilad Ben-Yossef }; 3663ee04c8SGilad Ben-Yossef 3752f42c65SGilad Ben-Yossef struct cc_cpp_key_info { 3852f42c65SGilad Ben-Yossef u8 slot; 3952f42c65SGilad Ben-Yossef enum cc_cpp_alg alg; 4052f42c65SGilad Ben-Yossef }; 4152f42c65SGilad Ben-Yossef 4252f42c65SGilad Ben-Yossef enum cc_key_type { 4352f42c65SGilad Ben-Yossef CC_UNPROTECTED_KEY, /* User key */ 4452f42c65SGilad Ben-Yossef CC_HW_PROTECTED_KEY, /* HW (FDE) key */ 4552f42c65SGilad Ben-Yossef CC_POLICY_PROTECTED_KEY, /* CPP key */ 4652f42c65SGilad Ben-Yossef CC_INVALID_PROTECTED_KEY /* Invalid key */ 4752f42c65SGilad Ben-Yossef }; 4852f42c65SGilad Ben-Yossef 4963ee04c8SGilad Ben-Yossef struct cc_cipher_ctx { 5063ee04c8SGilad Ben-Yossef struct cc_drvdata *drvdata; 5163ee04c8SGilad Ben-Yossef int keylen; 5263ee04c8SGilad Ben-Yossef int key_round_number; 5363ee04c8SGilad Ben-Yossef int cipher_mode; 5463ee04c8SGilad Ben-Yossef int flow_mode; 5563ee04c8SGilad Ben-Yossef unsigned int flags; 5652f42c65SGilad Ben-Yossef enum cc_key_type key_type; 5763ee04c8SGilad Ben-Yossef struct cc_user_key_info user; 5852f42c65SGilad Ben-Yossef union { 5963ee04c8SGilad Ben-Yossef struct cc_hw_key_info hw; 6052f42c65SGilad Ben-Yossef struct cc_cpp_key_info cpp; 6152f42c65SGilad Ben-Yossef }; 6263ee04c8SGilad Ben-Yossef struct crypto_shash *shash_tfm; 6363ee04c8SGilad Ben-Yossef }; 6463ee04c8SGilad Ben-Yossef 6563ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err); 6663ee04c8SGilad Ben-Yossef 6752f42c65SGilad Ben-Yossef static inline enum cc_key_type cc_key_type(struct crypto_tfm *tfm) 68a794d8d8SGilad Ben-Yossef { 69a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 70a794d8d8SGilad Ben-Yossef 7152f42c65SGilad Ben-Yossef return ctx_p->key_type; 72a794d8d8SGilad Ben-Yossef } 73a794d8d8SGilad Ben-Yossef 7463ee04c8SGilad Ben-Yossef static int validate_keys_sizes(struct cc_cipher_ctx *ctx_p, u32 size) 7563ee04c8SGilad Ben-Yossef { 7663ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 7763ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 7863ee04c8SGilad Ben-Yossef switch (size) { 7963ee04c8SGilad Ben-Yossef case CC_AES_128_BIT_KEY_SIZE: 8063ee04c8SGilad Ben-Yossef case CC_AES_192_BIT_KEY_SIZE: 8163ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode != DRV_CIPHER_XTS && 8263ee04c8SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_ESSIV && 8363ee04c8SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_BITLOCKER) 8463ee04c8SGilad Ben-Yossef return 0; 8563ee04c8SGilad Ben-Yossef break; 8663ee04c8SGilad Ben-Yossef case CC_AES_256_BIT_KEY_SIZE: 8763ee04c8SGilad Ben-Yossef return 0; 8863ee04c8SGilad Ben-Yossef case (CC_AES_192_BIT_KEY_SIZE * 2): 8963ee04c8SGilad Ben-Yossef case (CC_AES_256_BIT_KEY_SIZE * 2): 9063ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 9163ee04c8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 9263ee04c8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) 9363ee04c8SGilad Ben-Yossef return 0; 9463ee04c8SGilad Ben-Yossef break; 9563ee04c8SGilad Ben-Yossef default: 9663ee04c8SGilad Ben-Yossef break; 9763ee04c8SGilad Ben-Yossef } 98b5be8531SGustavo A. R. Silva break; 9963ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 10063ee04c8SGilad Ben-Yossef if (size == DES3_EDE_KEY_SIZE || size == DES_KEY_SIZE) 10163ee04c8SGilad Ben-Yossef return 0; 10263ee04c8SGilad Ben-Yossef break; 1039b8d51f8SGilad Ben-Yossef case S_DIN_to_SM4: 1049b8d51f8SGilad Ben-Yossef if (size == SM4_KEY_SIZE) 1059b8d51f8SGilad Ben-Yossef return 0; 10663ee04c8SGilad Ben-Yossef default: 10763ee04c8SGilad Ben-Yossef break; 10863ee04c8SGilad Ben-Yossef } 10963ee04c8SGilad Ben-Yossef return -EINVAL; 11063ee04c8SGilad Ben-Yossef } 11163ee04c8SGilad Ben-Yossef 11263ee04c8SGilad Ben-Yossef static int validate_data_size(struct cc_cipher_ctx *ctx_p, 11363ee04c8SGilad Ben-Yossef unsigned int size) 11463ee04c8SGilad Ben-Yossef { 11563ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 11663ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 11763ee04c8SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 11863ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 11963ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 12063ee04c8SGilad Ben-Yossef if (size >= AES_BLOCK_SIZE) 12163ee04c8SGilad Ben-Yossef return 0; 12263ee04c8SGilad Ben-Yossef break; 12363ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 12463ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 12563ee04c8SGilad Ben-Yossef return 0; 12663ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 12763ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 12863ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 12963ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 13063ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, AES_BLOCK_SIZE)) 13163ee04c8SGilad Ben-Yossef return 0; 13263ee04c8SGilad Ben-Yossef break; 13363ee04c8SGilad Ben-Yossef default: 13463ee04c8SGilad Ben-Yossef break; 13563ee04c8SGilad Ben-Yossef } 13663ee04c8SGilad Ben-Yossef break; 13763ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 13863ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, DES_BLOCK_SIZE)) 13963ee04c8SGilad Ben-Yossef return 0; 14063ee04c8SGilad Ben-Yossef break; 1419b8d51f8SGilad Ben-Yossef case S_DIN_to_SM4: 1429b8d51f8SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 1439b8d51f8SGilad Ben-Yossef case DRV_CIPHER_CTR: 1449b8d51f8SGilad Ben-Yossef return 0; 1459b8d51f8SGilad Ben-Yossef case DRV_CIPHER_ECB: 1469b8d51f8SGilad Ben-Yossef case DRV_CIPHER_CBC: 1479b8d51f8SGilad Ben-Yossef if (IS_ALIGNED(size, SM4_BLOCK_SIZE)) 1489b8d51f8SGilad Ben-Yossef return 0; 1499b8d51f8SGilad Ben-Yossef default: 1509b8d51f8SGilad Ben-Yossef break; 1519b8d51f8SGilad Ben-Yossef } 15263ee04c8SGilad Ben-Yossef default: 15363ee04c8SGilad Ben-Yossef break; 15463ee04c8SGilad Ben-Yossef } 15563ee04c8SGilad Ben-Yossef return -EINVAL; 15663ee04c8SGilad Ben-Yossef } 15763ee04c8SGilad Ben-Yossef 15863ee04c8SGilad Ben-Yossef static int cc_cipher_init(struct crypto_tfm *tfm) 15963ee04c8SGilad Ben-Yossef { 16063ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 16163ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 16263ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 16363ee04c8SGilad Ben-Yossef skcipher_alg.base); 16463ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(cc_alg->drvdata); 16563ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 16663ee04c8SGilad Ben-Yossef int rc = 0; 16763ee04c8SGilad Ben-Yossef 16863ee04c8SGilad Ben-Yossef dev_dbg(dev, "Initializing context @%p for %s\n", ctx_p, 16963ee04c8SGilad Ben-Yossef crypto_tfm_alg_name(tfm)); 17063ee04c8SGilad Ben-Yossef 17163ee04c8SGilad Ben-Yossef crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm), 17263ee04c8SGilad Ben-Yossef sizeof(struct cipher_req_ctx)); 17363ee04c8SGilad Ben-Yossef 17463ee04c8SGilad Ben-Yossef ctx_p->cipher_mode = cc_alg->cipher_mode; 17563ee04c8SGilad Ben-Yossef ctx_p->flow_mode = cc_alg->flow_mode; 17663ee04c8SGilad Ben-Yossef ctx_p->drvdata = cc_alg->drvdata; 17763ee04c8SGilad Ben-Yossef 17863ee04c8SGilad Ben-Yossef /* Allocate key buffer, cache line aligned */ 17963ee04c8SGilad Ben-Yossef ctx_p->user.key = kmalloc(max_key_buf_size, GFP_KERNEL); 18063ee04c8SGilad Ben-Yossef if (!ctx_p->user.key) 18163ee04c8SGilad Ben-Yossef return -ENOMEM; 18263ee04c8SGilad Ben-Yossef 18363ee04c8SGilad Ben-Yossef dev_dbg(dev, "Allocated key buffer in context. key=@%p\n", 18463ee04c8SGilad Ben-Yossef ctx_p->user.key); 18563ee04c8SGilad Ben-Yossef 18663ee04c8SGilad Ben-Yossef /* Map key buffer */ 18763ee04c8SGilad Ben-Yossef ctx_p->user.key_dma_addr = dma_map_single(dev, (void *)ctx_p->user.key, 18863ee04c8SGilad Ben-Yossef max_key_buf_size, 18963ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 19063ee04c8SGilad Ben-Yossef if (dma_mapping_error(dev, ctx_p->user.key_dma_addr)) { 19163ee04c8SGilad Ben-Yossef dev_err(dev, "Mapping Key %u B at va=%pK for DMA failed\n", 19263ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key); 19363ee04c8SGilad Ben-Yossef return -ENOMEM; 19463ee04c8SGilad Ben-Yossef } 19563ee04c8SGilad Ben-Yossef dev_dbg(dev, "Mapped key %u B at va=%pK to dma=%pad\n", 19663ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key, &ctx_p->user.key_dma_addr); 19763ee04c8SGilad Ben-Yossef 19863ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 19963ee04c8SGilad Ben-Yossef /* Alloc hash tfm for essiv */ 20063ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = crypto_alloc_shash("sha256-generic", 0, 0); 20163ee04c8SGilad Ben-Yossef if (IS_ERR(ctx_p->shash_tfm)) { 20263ee04c8SGilad Ben-Yossef dev_err(dev, "Error allocating hash tfm for ESSIV.\n"); 20363ee04c8SGilad Ben-Yossef return PTR_ERR(ctx_p->shash_tfm); 20463ee04c8SGilad Ben-Yossef } 20563ee04c8SGilad Ben-Yossef } 20663ee04c8SGilad Ben-Yossef 20763ee04c8SGilad Ben-Yossef return rc; 20863ee04c8SGilad Ben-Yossef } 20963ee04c8SGilad Ben-Yossef 21063ee04c8SGilad Ben-Yossef static void cc_cipher_exit(struct crypto_tfm *tfm) 21163ee04c8SGilad Ben-Yossef { 21263ee04c8SGilad Ben-Yossef struct crypto_alg *alg = tfm->__crt_alg; 21363ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 21463ee04c8SGilad Ben-Yossef container_of(alg, struct cc_crypto_alg, 21563ee04c8SGilad Ben-Yossef skcipher_alg.base); 21663ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 21763ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 21863ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 21963ee04c8SGilad Ben-Yossef 22063ee04c8SGilad Ben-Yossef dev_dbg(dev, "Clearing context @%p for %s\n", 22163ee04c8SGilad Ben-Yossef crypto_tfm_ctx(tfm), crypto_tfm_alg_name(tfm)); 22263ee04c8SGilad Ben-Yossef 22363ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 22463ee04c8SGilad Ben-Yossef /* Free hash tfm for essiv */ 22563ee04c8SGilad Ben-Yossef crypto_free_shash(ctx_p->shash_tfm); 22663ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = NULL; 22763ee04c8SGilad Ben-Yossef } 22863ee04c8SGilad Ben-Yossef 22963ee04c8SGilad Ben-Yossef /* Unmap key buffer */ 23063ee04c8SGilad Ben-Yossef dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size, 23163ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 23263ee04c8SGilad Ben-Yossef dev_dbg(dev, "Unmapped key buffer key_dma_addr=%pad\n", 23363ee04c8SGilad Ben-Yossef &ctx_p->user.key_dma_addr); 23463ee04c8SGilad Ben-Yossef 23563ee04c8SGilad Ben-Yossef /* Free key buffer in context */ 23663ee04c8SGilad Ben-Yossef kzfree(ctx_p->user.key); 23763ee04c8SGilad Ben-Yossef dev_dbg(dev, "Free key buffer in context. key=@%p\n", ctx_p->user.key); 23863ee04c8SGilad Ben-Yossef } 23963ee04c8SGilad Ben-Yossef 24063ee04c8SGilad Ben-Yossef struct tdes_keys { 24163ee04c8SGilad Ben-Yossef u8 key1[DES_KEY_SIZE]; 24263ee04c8SGilad Ben-Yossef u8 key2[DES_KEY_SIZE]; 24363ee04c8SGilad Ben-Yossef u8 key3[DES_KEY_SIZE]; 24463ee04c8SGilad Ben-Yossef }; 24563ee04c8SGilad Ben-Yossef 24652f42c65SGilad Ben-Yossef static enum cc_hw_crypto_key cc_slot_to_hw_key(u8 slot_num) 24763ee04c8SGilad Ben-Yossef { 24863ee04c8SGilad Ben-Yossef switch (slot_num) { 24963ee04c8SGilad Ben-Yossef case 0: 25063ee04c8SGilad Ben-Yossef return KFDE0_KEY; 25163ee04c8SGilad Ben-Yossef case 1: 25263ee04c8SGilad Ben-Yossef return KFDE1_KEY; 25363ee04c8SGilad Ben-Yossef case 2: 25463ee04c8SGilad Ben-Yossef return KFDE2_KEY; 25563ee04c8SGilad Ben-Yossef case 3: 25663ee04c8SGilad Ben-Yossef return KFDE3_KEY; 25763ee04c8SGilad Ben-Yossef } 25863ee04c8SGilad Ben-Yossef return END_OF_KEYS; 25963ee04c8SGilad Ben-Yossef } 26063ee04c8SGilad Ben-Yossef 26152f42c65SGilad Ben-Yossef static u8 cc_slot_to_cpp_key(u8 slot_num) 26252f42c65SGilad Ben-Yossef { 26352f42c65SGilad Ben-Yossef return (slot_num - CC_FIRST_CPP_KEY_SLOT); 26452f42c65SGilad Ben-Yossef } 26552f42c65SGilad Ben-Yossef 26652f42c65SGilad Ben-Yossef static inline enum cc_key_type cc_slot_to_key_type(u8 slot_num) 26752f42c65SGilad Ben-Yossef { 26852f42c65SGilad Ben-Yossef if (slot_num >= CC_FIRST_HW_KEY_SLOT && slot_num <= CC_LAST_HW_KEY_SLOT) 26952f42c65SGilad Ben-Yossef return CC_HW_PROTECTED_KEY; 27052f42c65SGilad Ben-Yossef else if (slot_num >= CC_FIRST_CPP_KEY_SLOT && 27152f42c65SGilad Ben-Yossef slot_num <= CC_LAST_CPP_KEY_SLOT) 27252f42c65SGilad Ben-Yossef return CC_POLICY_PROTECTED_KEY; 27352f42c65SGilad Ben-Yossef else 27452f42c65SGilad Ben-Yossef return CC_INVALID_PROTECTED_KEY; 27552f42c65SGilad Ben-Yossef } 27652f42c65SGilad Ben-Yossef 277a794d8d8SGilad Ben-Yossef static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key, 278a794d8d8SGilad Ben-Yossef unsigned int keylen) 279a794d8d8SGilad Ben-Yossef { 280a794d8d8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 281a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 282a794d8d8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 283a794d8d8SGilad Ben-Yossef struct cc_hkey_info hki; 284a794d8d8SGilad Ben-Yossef 285a794d8d8SGilad Ben-Yossef dev_dbg(dev, "Setting HW key in context @%p for %s. keylen=%u\n", 286a794d8d8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 287a794d8d8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 288a794d8d8SGilad Ben-Yossef 289a794d8d8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 290a794d8d8SGilad Ben-Yossef 29152f42c65SGilad Ben-Yossef /* This check the size of the protected key token */ 292a794d8d8SGilad Ben-Yossef if (keylen != sizeof(hki)) { 29352f42c65SGilad Ben-Yossef dev_err(dev, "Unsupported protected key size %d.\n", keylen); 294a794d8d8SGilad Ben-Yossef return -EINVAL; 295a794d8d8SGilad Ben-Yossef } 296a794d8d8SGilad Ben-Yossef 297a794d8d8SGilad Ben-Yossef memcpy(&hki, key, keylen); 298a794d8d8SGilad Ben-Yossef 299a794d8d8SGilad Ben-Yossef /* The real key len for crypto op is the size of the HW key 300a794d8d8SGilad Ben-Yossef * referenced by the HW key slot, not the hardware key token 301a794d8d8SGilad Ben-Yossef */ 302a794d8d8SGilad Ben-Yossef keylen = hki.keylen; 303a794d8d8SGilad Ben-Yossef 304a794d8d8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 305c7b31c88SGilad Ben-Yossef dev_dbg(dev, "Unsupported key size %d.\n", keylen); 306a794d8d8SGilad Ben-Yossef return -EINVAL; 307a794d8d8SGilad Ben-Yossef } 308a794d8d8SGilad Ben-Yossef 30952f42c65SGilad Ben-Yossef ctx_p->keylen = keylen; 31052f42c65SGilad Ben-Yossef 31152f42c65SGilad Ben-Yossef switch (cc_slot_to_key_type(hki.hw_key1)) { 31252f42c65SGilad Ben-Yossef case CC_HW_PROTECTED_KEY: 31352f42c65SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_SM4) { 31452f42c65SGilad Ben-Yossef dev_err(dev, "Only AES HW protected keys are supported\n"); 31552f42c65SGilad Ben-Yossef return -EINVAL; 31652f42c65SGilad Ben-Yossef } 31752f42c65SGilad Ben-Yossef 318a794d8d8SGilad Ben-Yossef ctx_p->hw.key1_slot = cc_slot_to_hw_key(hki.hw_key1); 319a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key1_slot == END_OF_KEYS) { 32052f42c65SGilad Ben-Yossef dev_err(dev, "Unsupported hw key1 number (%d)\n", 32152f42c65SGilad Ben-Yossef hki.hw_key1); 322a794d8d8SGilad Ben-Yossef return -EINVAL; 323a794d8d8SGilad Ben-Yossef } 324a794d8d8SGilad Ben-Yossef 325a794d8d8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 326a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 327a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) { 328a794d8d8SGilad Ben-Yossef if (hki.hw_key1 == hki.hw_key2) { 329a794d8d8SGilad Ben-Yossef dev_err(dev, "Illegal hw key numbers (%d,%d)\n", 330a794d8d8SGilad Ben-Yossef hki.hw_key1, hki.hw_key2); 331a794d8d8SGilad Ben-Yossef return -EINVAL; 332a794d8d8SGilad Ben-Yossef } 33352f42c65SGilad Ben-Yossef 334a794d8d8SGilad Ben-Yossef ctx_p->hw.key2_slot = cc_slot_to_hw_key(hki.hw_key2); 335a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key2_slot == END_OF_KEYS) { 336a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported hw key2 number (%d)\n", 337a794d8d8SGilad Ben-Yossef hki.hw_key2); 338a794d8d8SGilad Ben-Yossef return -EINVAL; 339a794d8d8SGilad Ben-Yossef } 340a794d8d8SGilad Ben-Yossef } 341a794d8d8SGilad Ben-Yossef 34252f42c65SGilad Ben-Yossef ctx_p->key_type = CC_HW_PROTECTED_KEY; 34352f42c65SGilad Ben-Yossef dev_dbg(dev, "HW protected key %d/%d set\n.", 34452f42c65SGilad Ben-Yossef ctx_p->hw.key1_slot, ctx_p->hw.key2_slot); 34552f42c65SGilad Ben-Yossef break; 34652f42c65SGilad Ben-Yossef 34752f42c65SGilad Ben-Yossef case CC_POLICY_PROTECTED_KEY: 34852f42c65SGilad Ben-Yossef if (ctx_p->drvdata->hw_rev < CC_HW_REV_713) { 34952f42c65SGilad Ben-Yossef dev_err(dev, "CPP keys not supported in this hardware revision.\n"); 35052f42c65SGilad Ben-Yossef return -EINVAL; 35152f42c65SGilad Ben-Yossef } 35252f42c65SGilad Ben-Yossef 35352f42c65SGilad Ben-Yossef if (ctx_p->cipher_mode != DRV_CIPHER_CBC && 35452f42c65SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_CTR) { 35552f42c65SGilad Ben-Yossef dev_err(dev, "CPP keys only supported in CBC or CTR modes.\n"); 35652f42c65SGilad Ben-Yossef return -EINVAL; 35752f42c65SGilad Ben-Yossef } 35852f42c65SGilad Ben-Yossef 35952f42c65SGilad Ben-Yossef ctx_p->cpp.slot = cc_slot_to_cpp_key(hki.hw_key1); 36052f42c65SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_AES) 36152f42c65SGilad Ben-Yossef ctx_p->cpp.alg = CC_CPP_AES; 36252f42c65SGilad Ben-Yossef else /* Must be SM4 since due to sethkey registration */ 36352f42c65SGilad Ben-Yossef ctx_p->cpp.alg = CC_CPP_SM4; 36452f42c65SGilad Ben-Yossef ctx_p->key_type = CC_POLICY_PROTECTED_KEY; 36522e2db68SColin Ian King dev_dbg(dev, "policy protected key alg: %d slot: %d.\n", 36652f42c65SGilad Ben-Yossef ctx_p->cpp.alg, ctx_p->cpp.slot); 36752f42c65SGilad Ben-Yossef break; 36852f42c65SGilad Ben-Yossef 36952f42c65SGilad Ben-Yossef default: 37052f42c65SGilad Ben-Yossef dev_err(dev, "Unsupported protected key (%d)\n", hki.hw_key1); 37152f42c65SGilad Ben-Yossef return -EINVAL; 37252f42c65SGilad Ben-Yossef } 373a794d8d8SGilad Ben-Yossef 374a794d8d8SGilad Ben-Yossef return 0; 375a794d8d8SGilad Ben-Yossef } 376a794d8d8SGilad Ben-Yossef 37763ee04c8SGilad Ben-Yossef static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, 37863ee04c8SGilad Ben-Yossef unsigned int keylen) 37963ee04c8SGilad Ben-Yossef { 38063ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 38163ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 38263ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 38363ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 38463ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 38563ee04c8SGilad Ben-Yossef skcipher_alg.base); 38663ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 38763ee04c8SGilad Ben-Yossef 38863ee04c8SGilad Ben-Yossef dev_dbg(dev, "Setting key in context @%p for %s. keylen=%u\n", 38963ee04c8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 39063ee04c8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 39163ee04c8SGilad Ben-Yossef 39263ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 39363ee04c8SGilad Ben-Yossef 39463ee04c8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 395c7b31c88SGilad Ben-Yossef dev_dbg(dev, "Unsupported key size %d.\n", keylen); 39663ee04c8SGilad Ben-Yossef return -EINVAL; 39763ee04c8SGilad Ben-Yossef } 39863ee04c8SGilad Ben-Yossef 39952f42c65SGilad Ben-Yossef ctx_p->key_type = CC_UNPROTECTED_KEY; 40063ee04c8SGilad Ben-Yossef 40163ee04c8SGilad Ben-Yossef /* 40263ee04c8SGilad Ben-Yossef * Verify DES weak keys 40363ee04c8SGilad Ben-Yossef * Note that we're dropping the expanded key since the 40463ee04c8SGilad Ben-Yossef * HW does the expansion on its own. 40563ee04c8SGilad Ben-Yossef */ 40663ee04c8SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_DES) { 40700cd6b23SArd Biesheuvel if ((keylen == DES3_EDE_KEY_SIZE && 40800cd6b23SArd Biesheuvel verify_skcipher_des3_key(sktfm, key)) || 40900cd6b23SArd Biesheuvel verify_skcipher_des_key(sktfm, key)) { 41063ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak DES key"); 41163ee04c8SGilad Ben-Yossef return -EINVAL; 41263ee04c8SGilad Ben-Yossef } 41363ee04c8SGilad Ben-Yossef } 41463ee04c8SGilad Ben-Yossef 41563ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS && 41663ee04c8SGilad Ben-Yossef xts_check_key(tfm, key, keylen)) { 41763ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak XTS key"); 41863ee04c8SGilad Ben-Yossef return -EINVAL; 41963ee04c8SGilad Ben-Yossef } 42063ee04c8SGilad Ben-Yossef 42163ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Copy key to ctx */ 42263ee04c8SGilad Ben-Yossef dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr, 42363ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 42463ee04c8SGilad Ben-Yossef 42563ee04c8SGilad Ben-Yossef memcpy(ctx_p->user.key, key, keylen); 42663ee04c8SGilad Ben-Yossef if (keylen == 24) 42763ee04c8SGilad Ben-Yossef memset(ctx_p->user.key + 24, 0, CC_AES_KEY_SIZE_MAX - 24); 42863ee04c8SGilad Ben-Yossef 42963ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 43063ee04c8SGilad Ben-Yossef /* sha256 for key2 - use sw implementation */ 43163ee04c8SGilad Ben-Yossef int key_len = keylen >> 1; 43263ee04c8SGilad Ben-Yossef int err; 43363ee04c8SGilad Ben-Yossef 43463ee04c8SGilad Ben-Yossef SHASH_DESC_ON_STACK(desc, ctx_p->shash_tfm); 43563ee04c8SGilad Ben-Yossef 43663ee04c8SGilad Ben-Yossef desc->tfm = ctx_p->shash_tfm; 43763ee04c8SGilad Ben-Yossef 43863ee04c8SGilad Ben-Yossef err = crypto_shash_digest(desc, ctx_p->user.key, key_len, 43963ee04c8SGilad Ben-Yossef ctx_p->user.key + key_len); 44063ee04c8SGilad Ben-Yossef if (err) { 44163ee04c8SGilad Ben-Yossef dev_err(dev, "Failed to hash ESSIV key.\n"); 44263ee04c8SGilad Ben-Yossef return err; 44363ee04c8SGilad Ben-Yossef } 44463ee04c8SGilad Ben-Yossef } 44563ee04c8SGilad Ben-Yossef dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr, 44663ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 44763ee04c8SGilad Ben-Yossef ctx_p->keylen = keylen; 44863ee04c8SGilad Ben-Yossef 44963ee04c8SGilad Ben-Yossef dev_dbg(dev, "return safely"); 45063ee04c8SGilad Ben-Yossef return 0; 45163ee04c8SGilad Ben-Yossef } 45263ee04c8SGilad Ben-Yossef 4536f17e00fSGilad Ben-Yossef static int cc_out_setup_mode(struct cc_cipher_ctx *ctx_p) 4546f17e00fSGilad Ben-Yossef { 4556f17e00fSGilad Ben-Yossef switch (ctx_p->flow_mode) { 4566f17e00fSGilad Ben-Yossef case S_DIN_to_AES: 4576f17e00fSGilad Ben-Yossef return S_AES_to_DOUT; 4586f17e00fSGilad Ben-Yossef case S_DIN_to_DES: 4596f17e00fSGilad Ben-Yossef return S_DES_to_DOUT; 4606f17e00fSGilad Ben-Yossef case S_DIN_to_SM4: 4616f17e00fSGilad Ben-Yossef return S_SM4_to_DOUT; 4626f17e00fSGilad Ben-Yossef default: 4636f17e00fSGilad Ben-Yossef return ctx_p->flow_mode; 4646f17e00fSGilad Ben-Yossef } 4656f17e00fSGilad Ben-Yossef } 4666f17e00fSGilad Ben-Yossef 4676f17e00fSGilad Ben-Yossef static void cc_setup_readiv_desc(struct crypto_tfm *tfm, 4686f17e00fSGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 4696f17e00fSGilad Ben-Yossef unsigned int ivsize, struct cc_hw_desc desc[], 4706f17e00fSGilad Ben-Yossef unsigned int *seq_size) 4716f17e00fSGilad Ben-Yossef { 4726f17e00fSGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 4736f17e00fSGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 4746f17e00fSGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 4756f17e00fSGilad Ben-Yossef int flow_mode = cc_out_setup_mode(ctx_p); 4766f17e00fSGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 4776f17e00fSGilad Ben-Yossef dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 4786f17e00fSGilad Ben-Yossef 4796f17e00fSGilad Ben-Yossef if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY) 4806f17e00fSGilad Ben-Yossef return; 4816f17e00fSGilad Ben-Yossef 4826f17e00fSGilad Ben-Yossef switch (cipher_mode) { 4836f17e00fSGilad Ben-Yossef case DRV_CIPHER_ECB: 4846f17e00fSGilad Ben-Yossef break; 4856f17e00fSGilad Ben-Yossef case DRV_CIPHER_CBC: 4866f17e00fSGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 4876f17e00fSGilad Ben-Yossef case DRV_CIPHER_CTR: 4886f17e00fSGilad Ben-Yossef case DRV_CIPHER_OFB: 4896f17e00fSGilad Ben-Yossef /* Read next IV */ 4906f17e00fSGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 4916f17e00fSGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], iv_dma_addr, ivsize, NS_BIT, 1); 4926f17e00fSGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 4936f17e00fSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 4946f17e00fSGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 4956f17e00fSGilad Ben-Yossef if (cipher_mode == DRV_CIPHER_CTR || 4966f17e00fSGilad Ben-Yossef cipher_mode == DRV_CIPHER_OFB) { 4976f17e00fSGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE1); 4986f17e00fSGilad Ben-Yossef } else { 4996f17e00fSGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE0); 5006f17e00fSGilad Ben-Yossef } 5016f17e00fSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 5026f17e00fSGilad Ben-Yossef (*seq_size)++; 5036f17e00fSGilad Ben-Yossef break; 5046f17e00fSGilad Ben-Yossef case DRV_CIPHER_XTS: 5056f17e00fSGilad Ben-Yossef case DRV_CIPHER_ESSIV: 5066f17e00fSGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 5076f17e00fSGilad Ben-Yossef /* IV */ 5086f17e00fSGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 5096f17e00fSGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE1); 5106f17e00fSGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 5116f17e00fSGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 5126f17e00fSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 5136f17e00fSGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], iv_dma_addr, CC_AES_BLOCK_SIZE, 5146f17e00fSGilad Ben-Yossef NS_BIT, 1); 5156f17e00fSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 5166f17e00fSGilad Ben-Yossef (*seq_size)++; 5176f17e00fSGilad Ben-Yossef break; 5186f17e00fSGilad Ben-Yossef default: 5196f17e00fSGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 5206f17e00fSGilad Ben-Yossef } 5216f17e00fSGilad Ben-Yossef } 5226f17e00fSGilad Ben-Yossef 5235c83e8ecSOfir Drang 524dd8486c7SGilad Ben-Yossef static void cc_setup_state_desc(struct crypto_tfm *tfm, 52563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 52663ee04c8SGilad Ben-Yossef unsigned int ivsize, unsigned int nbytes, 52763ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[], 52863ee04c8SGilad Ben-Yossef unsigned int *seq_size) 52963ee04c8SGilad Ben-Yossef { 53063ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 53163ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 53263ee04c8SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 53363ee04c8SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 53463ee04c8SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 53563ee04c8SGilad Ben-Yossef dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 53663ee04c8SGilad Ben-Yossef unsigned int du_size = nbytes; 53763ee04c8SGilad Ben-Yossef 53863ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 53963ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 54063ee04c8SGilad Ben-Yossef skcipher_alg.base); 54163ee04c8SGilad Ben-Yossef 54263ee04c8SGilad Ben-Yossef if (cc_alg->data_unit) 54363ee04c8SGilad Ben-Yossef du_size = cc_alg->data_unit; 54463ee04c8SGilad Ben-Yossef 54563ee04c8SGilad Ben-Yossef switch (cipher_mode) { 546dd8486c7SGilad Ben-Yossef case DRV_CIPHER_ECB: 547dd8486c7SGilad Ben-Yossef break; 54863ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 54963ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 55063ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 55163ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 552dd8486c7SGilad Ben-Yossef /* Load IV */ 55363ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 55463ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, ivsize, 55563ee04c8SGilad Ben-Yossef NS_BIT); 55663ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 55763ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 55863ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 55963ee04c8SGilad Ben-Yossef if (cipher_mode == DRV_CIPHER_CTR || 56063ee04c8SGilad Ben-Yossef cipher_mode == DRV_CIPHER_OFB) { 56163ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 56263ee04c8SGilad Ben-Yossef } else { 56363ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0); 56463ee04c8SGilad Ben-Yossef } 56563ee04c8SGilad Ben-Yossef (*seq_size)++; 566dd8486c7SGilad Ben-Yossef break; 567dd8486c7SGilad Ben-Yossef case DRV_CIPHER_XTS: 568dd8486c7SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 569dd8486c7SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 5705c83e8ecSOfir Drang break; 5715c83e8ecSOfir Drang default: 5725c83e8ecSOfir Drang dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 5735c83e8ecSOfir Drang } 5745c83e8ecSOfir Drang } 5755c83e8ecSOfir Drang 5765c83e8ecSOfir Drang 5775c83e8ecSOfir Drang static void cc_setup_xex_state_desc(struct crypto_tfm *tfm, 5785c83e8ecSOfir Drang struct cipher_req_ctx *req_ctx, 5795c83e8ecSOfir Drang unsigned int ivsize, unsigned int nbytes, 5805c83e8ecSOfir Drang struct cc_hw_desc desc[], 5815c83e8ecSOfir Drang unsigned int *seq_size) 5825c83e8ecSOfir Drang { 5835c83e8ecSOfir Drang struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 5845c83e8ecSOfir Drang struct device *dev = drvdata_to_dev(ctx_p->drvdata); 5855c83e8ecSOfir Drang int cipher_mode = ctx_p->cipher_mode; 5865c83e8ecSOfir Drang int flow_mode = ctx_p->flow_mode; 5875c83e8ecSOfir Drang int direction = req_ctx->gen_ctx.op_type; 5885c83e8ecSOfir Drang dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 5895c83e8ecSOfir Drang unsigned int key_len = ctx_p->keylen; 5905c83e8ecSOfir Drang dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 5915c83e8ecSOfir Drang unsigned int du_size = nbytes; 5925c83e8ecSOfir Drang 5935c83e8ecSOfir Drang struct cc_crypto_alg *cc_alg = 5945c83e8ecSOfir Drang container_of(tfm->__crt_alg, struct cc_crypto_alg, 5955c83e8ecSOfir Drang skcipher_alg.base); 5965c83e8ecSOfir Drang 5975c83e8ecSOfir Drang if (cc_alg->data_unit) 5985c83e8ecSOfir Drang du_size = cc_alg->data_unit; 5995c83e8ecSOfir Drang 6005c83e8ecSOfir Drang switch (cipher_mode) { 6015c83e8ecSOfir Drang case DRV_CIPHER_ECB: 6025c83e8ecSOfir Drang break; 6035c83e8ecSOfir Drang case DRV_CIPHER_CBC: 6045c83e8ecSOfir Drang case DRV_CIPHER_CBC_CTS: 6055c83e8ecSOfir Drang case DRV_CIPHER_CTR: 6065c83e8ecSOfir Drang case DRV_CIPHER_OFB: 6075c83e8ecSOfir Drang break; 6085c83e8ecSOfir Drang case DRV_CIPHER_XTS: 6095c83e8ecSOfir Drang case DRV_CIPHER_ESSIV: 6105c83e8ecSOfir Drang case DRV_CIPHER_BITLOCKER: 611dd8486c7SGilad Ben-Yossef /* load XEX key */ 612dd8486c7SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 613dd8486c7SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 614dd8486c7SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 61552f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 616dd8486c7SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 617dd8486c7SGilad Ben-Yossef ctx_p->hw.key2_slot); 618dd8486c7SGilad Ben-Yossef } else { 619dd8486c7SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 620dd8486c7SGilad Ben-Yossef (key_dma_addr + (key_len / 2)), 621dd8486c7SGilad Ben-Yossef (key_len / 2), NS_BIT); 622dd8486c7SGilad Ben-Yossef } 623dd8486c7SGilad Ben-Yossef set_xex_data_unit_size(&desc[*seq_size], du_size); 624dd8486c7SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], S_DIN_to_AES2); 625dd8486c7SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 626dd8486c7SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_XEX_KEY); 627dd8486c7SGilad Ben-Yossef (*seq_size)++; 628dd8486c7SGilad Ben-Yossef 629dd8486c7SGilad Ben-Yossef /* Load IV */ 630dd8486c7SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 631dd8486c7SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 632dd8486c7SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 633dd8486c7SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 634dd8486c7SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 635dd8486c7SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 636dd8486c7SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, 637dd8486c7SGilad Ben-Yossef CC_AES_BLOCK_SIZE, NS_BIT); 638dd8486c7SGilad Ben-Yossef (*seq_size)++; 639dd8486c7SGilad Ben-Yossef break; 640dd8486c7SGilad Ben-Yossef default: 641dd8486c7SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 642dd8486c7SGilad Ben-Yossef } 643dd8486c7SGilad Ben-Yossef } 644dd8486c7SGilad Ben-Yossef 645533edf9fSGilad Ben-Yossef static int cc_out_flow_mode(struct cc_cipher_ctx *ctx_p) 646533edf9fSGilad Ben-Yossef { 647533edf9fSGilad Ben-Yossef switch (ctx_p->flow_mode) { 648533edf9fSGilad Ben-Yossef case S_DIN_to_AES: 649533edf9fSGilad Ben-Yossef return DIN_AES_DOUT; 650533edf9fSGilad Ben-Yossef case S_DIN_to_DES: 651533edf9fSGilad Ben-Yossef return DIN_DES_DOUT; 652533edf9fSGilad Ben-Yossef case S_DIN_to_SM4: 653533edf9fSGilad Ben-Yossef return DIN_SM4_DOUT; 654533edf9fSGilad Ben-Yossef default: 655533edf9fSGilad Ben-Yossef return ctx_p->flow_mode; 656533edf9fSGilad Ben-Yossef } 657533edf9fSGilad Ben-Yossef } 658dd8486c7SGilad Ben-Yossef 659dd8486c7SGilad Ben-Yossef static void cc_setup_key_desc(struct crypto_tfm *tfm, 660dd8486c7SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 661dd8486c7SGilad Ben-Yossef unsigned int nbytes, struct cc_hw_desc desc[], 662dd8486c7SGilad Ben-Yossef unsigned int *seq_size) 663dd8486c7SGilad Ben-Yossef { 664dd8486c7SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 665dd8486c7SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 666dd8486c7SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 667dd8486c7SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 668dd8486c7SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 669dd8486c7SGilad Ben-Yossef dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 670dd8486c7SGilad Ben-Yossef unsigned int key_len = ctx_p->keylen; 67152f42c65SGilad Ben-Yossef unsigned int din_size; 672dd8486c7SGilad Ben-Yossef 673dd8486c7SGilad Ben-Yossef switch (cipher_mode) { 674dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CBC: 675dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 676dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CTR: 677dd8486c7SGilad Ben-Yossef case DRV_CIPHER_OFB: 67863ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 67963ee04c8SGilad Ben-Yossef /* Load key */ 68063ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 68163ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 68263ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 683533edf9fSGilad Ben-Yossef 684533edf9fSGilad Ben-Yossef if (cc_key_type(tfm) == CC_POLICY_PROTECTED_KEY) { 685533edf9fSGilad Ben-Yossef /* We use the AES key size coding for all CPP algs */ 686533edf9fSGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 687533edf9fSGilad Ben-Yossef set_cpp_crypto_key(&desc[*seq_size], ctx_p->cpp.slot); 688533edf9fSGilad Ben-Yossef flow_mode = cc_out_flow_mode(ctx_p); 689533edf9fSGilad Ben-Yossef } else { 69063ee04c8SGilad Ben-Yossef if (flow_mode == S_DIN_to_AES) { 69152f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 69263ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 69363ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 69463ee04c8SGilad Ben-Yossef } else { 69552f42c65SGilad Ben-Yossef /* CC_POLICY_UNPROTECTED_KEY 69652f42c65SGilad Ben-Yossef * Invalid keys are filtered out in 69752f42c65SGilad Ben-Yossef * sethkey() 69852f42c65SGilad Ben-Yossef */ 69952f42c65SGilad Ben-Yossef din_size = (key_len == 24) ? 70052f42c65SGilad Ben-Yossef AES_MAX_KEY_SIZE : key_len; 70152f42c65SGilad Ben-Yossef 70263ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 70352f42c65SGilad Ben-Yossef key_dma_addr, din_size, 70452f42c65SGilad Ben-Yossef NS_BIT); 70563ee04c8SGilad Ben-Yossef } 70663ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 70763ee04c8SGilad Ben-Yossef } else { 70863ee04c8SGilad Ben-Yossef /*des*/ 70952f42c65SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 71052f42c65SGilad Ben-Yossef key_dma_addr, key_len, NS_BIT); 71163ee04c8SGilad Ben-Yossef set_key_size_des(&desc[*seq_size], key_len); 71263ee04c8SGilad Ben-Yossef } 71363ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 71452f42c65SGilad Ben-Yossef } 715533edf9fSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 71663ee04c8SGilad Ben-Yossef (*seq_size)++; 71763ee04c8SGilad Ben-Yossef break; 71863ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 71963ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 72063ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 72163ee04c8SGilad Ben-Yossef /* Load AES key */ 72263ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 72363ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 72463ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 72552f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 72663ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 72763ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 72863ee04c8SGilad Ben-Yossef } else { 72963ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 73063ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 73163ee04c8SGilad Ben-Yossef } 73263ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 73363ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 73463ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 73563ee04c8SGilad Ben-Yossef (*seq_size)++; 73663ee04c8SGilad Ben-Yossef break; 73763ee04c8SGilad Ben-Yossef default: 73863ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 73963ee04c8SGilad Ben-Yossef } 74063ee04c8SGilad Ben-Yossef } 74163ee04c8SGilad Ben-Yossef 7424b1d7debSGilad Ben-Yossef static void cc_setup_mlli_desc(struct crypto_tfm *tfm, 74363ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 7444b1d7debSGilad Ben-Yossef struct scatterlist *dst, struct scatterlist *src, 7454b1d7debSGilad Ben-Yossef unsigned int nbytes, void *areq, 7464b1d7debSGilad Ben-Yossef struct cc_hw_desc desc[], unsigned int *seq_size) 7474b1d7debSGilad Ben-Yossef { 7484b1d7debSGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 7494b1d7debSGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 7504b1d7debSGilad Ben-Yossef 7514b1d7debSGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) { 7524b1d7debSGilad Ben-Yossef /* bypass */ 7534b1d7debSGilad Ben-Yossef dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n", 7544b1d7debSGilad Ben-Yossef &req_ctx->mlli_params.mlli_dma_addr, 7554b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len, 7564b1d7debSGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 7574b1d7debSGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 7584b1d7debSGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 7594b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_dma_addr, 7604b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len, NS_BIT); 7614b1d7debSGilad Ben-Yossef set_dout_sram(&desc[*seq_size], 7624b1d7debSGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 7634b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len); 7644b1d7debSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], BYPASS); 7654b1d7debSGilad Ben-Yossef (*seq_size)++; 7664b1d7debSGilad Ben-Yossef } 7674b1d7debSGilad Ben-Yossef } 7684b1d7debSGilad Ben-Yossef 7694b1d7debSGilad Ben-Yossef static void cc_setup_flow_desc(struct crypto_tfm *tfm, 7704b1d7debSGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 7714b1d7debSGilad Ben-Yossef struct scatterlist *dst, struct scatterlist *src, 7726f17e00fSGilad Ben-Yossef unsigned int nbytes, struct cc_hw_desc desc[], 7736f17e00fSGilad Ben-Yossef unsigned int *seq_size) 77463ee04c8SGilad Ben-Yossef { 77563ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 77663ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 777533edf9fSGilad Ben-Yossef unsigned int flow_mode = cc_out_flow_mode(ctx_p); 7786f17e00fSGilad Ben-Yossef bool last_desc = (ctx_p->key_type == CC_POLICY_PROTECTED_KEY || 7796f17e00fSGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ECB); 78063ee04c8SGilad Ben-Yossef 78163ee04c8SGilad Ben-Yossef /* Process */ 78263ee04c8SGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) { 78363ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 78463ee04c8SGilad Ben-Yossef &sg_dma_address(src), nbytes); 78563ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 78663ee04c8SGilad Ben-Yossef &sg_dma_address(dst), nbytes); 78763ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 78863ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), 78963ee04c8SGilad Ben-Yossef nbytes, NS_BIT); 79063ee04c8SGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], sg_dma_address(dst), 7916f17e00fSGilad Ben-Yossef nbytes, NS_BIT, (!last_desc ? 0 : 1)); 7926f17e00fSGilad Ben-Yossef if (last_desc) 79327b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 79463ee04c8SGilad Ben-Yossef 79563ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 79663ee04c8SGilad Ben-Yossef (*seq_size)++; 79763ee04c8SGilad Ben-Yossef } else { 79863ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 79963ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_MLLI, 80063ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 80163ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT); 80263ee04c8SGilad Ben-Yossef if (req_ctx->out_nents == 0) { 80363ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 80463ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 80563ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 80663ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 80763ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 80863ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT, 8096f17e00fSGilad Ben-Yossef (!last_desc ? 0 : 1)); 81063ee04c8SGilad Ben-Yossef } else { 81163ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 81263ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 81363ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr + 81463ee04c8SGilad Ben-Yossef (u32)LLI_ENTRY_BYTE_SIZE * req_ctx->in_nents); 81563ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 81663ee04c8SGilad Ben-Yossef (ctx_p->drvdata->mlli_sram_addr + 81763ee04c8SGilad Ben-Yossef (LLI_ENTRY_BYTE_SIZE * 81863ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents)), 81963ee04c8SGilad Ben-Yossef req_ctx->out_mlli_nents, NS_BIT, 8206f17e00fSGilad Ben-Yossef (!last_desc ? 0 : 1)); 82163ee04c8SGilad Ben-Yossef } 8226f17e00fSGilad Ben-Yossef if (last_desc) 82327b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 82463ee04c8SGilad Ben-Yossef 82563ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 82663ee04c8SGilad Ben-Yossef (*seq_size)++; 82763ee04c8SGilad Ben-Yossef } 82863ee04c8SGilad Ben-Yossef } 82963ee04c8SGilad Ben-Yossef 83063ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err) 83163ee04c8SGilad Ben-Yossef { 83263ee04c8SGilad Ben-Yossef struct skcipher_request *req = (struct skcipher_request *)cc_req; 83363ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 83463ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 83563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 83600904aa0SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 83700904aa0SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 83863ee04c8SGilad Ben-Yossef 839a108f931SGilad Ben-Yossef if (err != -EINPROGRESS) { 840a108f931SGilad Ben-Yossef /* Not a BACKLOG notification */ 841c139c72eSGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 8426f17e00fSGilad Ben-Yossef memcpy(req->iv, req_ctx->iv, ivsize); 84300904aa0SGilad Ben-Yossef kzfree(req_ctx->iv); 844a108f931SGilad Ben-Yossef } 845a108f931SGilad Ben-Yossef 84663ee04c8SGilad Ben-Yossef skcipher_request_complete(req, err); 84763ee04c8SGilad Ben-Yossef } 84863ee04c8SGilad Ben-Yossef 84963ee04c8SGilad Ben-Yossef static int cc_cipher_process(struct skcipher_request *req, 85063ee04c8SGilad Ben-Yossef enum drv_crypto_direction direction) 85163ee04c8SGilad Ben-Yossef { 85263ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 85363ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 85463ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 85563ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 85663ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 85763ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 85863ee04c8SGilad Ben-Yossef unsigned int nbytes = req->cryptlen; 85963ee04c8SGilad Ben-Yossef void *iv = req->iv; 86063ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 86163ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 8625620eb6cSArd Biesheuvel struct cc_hw_desc desc[MAX_SKCIPHER_SEQ_LEN]; 86363ee04c8SGilad Ben-Yossef struct cc_crypto_req cc_req = {}; 86484f366daSGilad Ben-Yossef int rc; 86563ee04c8SGilad Ben-Yossef unsigned int seq_len = 0; 86663ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 86763ee04c8SGilad Ben-Yossef 86863ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s req=%p iv=%p nbytes=%d\n", 86963ee04c8SGilad Ben-Yossef ((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ? 87063ee04c8SGilad Ben-Yossef "Encrypt" : "Decrypt"), req, iv, nbytes); 87163ee04c8SGilad Ben-Yossef 87263ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 87363ee04c8SGilad Ben-Yossef 87463ee04c8SGilad Ben-Yossef /* TODO: check data length according to mode */ 87563ee04c8SGilad Ben-Yossef if (validate_data_size(ctx_p, nbytes)) { 876c7b31c88SGilad Ben-Yossef dev_dbg(dev, "Unsupported data size %d.\n", nbytes); 87763ee04c8SGilad Ben-Yossef rc = -EINVAL; 87863ee04c8SGilad Ben-Yossef goto exit_process; 87963ee04c8SGilad Ben-Yossef } 88063ee04c8SGilad Ben-Yossef if (nbytes == 0) { 88163ee04c8SGilad Ben-Yossef /* No data to process is valid */ 88263ee04c8SGilad Ben-Yossef rc = 0; 88363ee04c8SGilad Ben-Yossef goto exit_process; 88463ee04c8SGilad Ben-Yossef } 88563ee04c8SGilad Ben-Yossef 88663ee04c8SGilad Ben-Yossef /* The IV we are handed may be allocted from the stack so 88763ee04c8SGilad Ben-Yossef * we must copy it to a DMAable buffer before use. 88863ee04c8SGilad Ben-Yossef */ 88901745706SFengguang Wu req_ctx->iv = kmemdup(iv, ivsize, flags); 89063ee04c8SGilad Ben-Yossef if (!req_ctx->iv) { 89163ee04c8SGilad Ben-Yossef rc = -ENOMEM; 89263ee04c8SGilad Ben-Yossef goto exit_process; 89363ee04c8SGilad Ben-Yossef } 89463ee04c8SGilad Ben-Yossef 89563ee04c8SGilad Ben-Yossef /* Setup request structure */ 89663ee04c8SGilad Ben-Yossef cc_req.user_cb = (void *)cc_cipher_complete; 89763ee04c8SGilad Ben-Yossef cc_req.user_arg = (void *)req; 89863ee04c8SGilad Ben-Yossef 89952f42c65SGilad Ben-Yossef /* Setup CPP operation details */ 90052f42c65SGilad Ben-Yossef if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY) { 90152f42c65SGilad Ben-Yossef cc_req.cpp.is_cpp = true; 90252f42c65SGilad Ben-Yossef cc_req.cpp.alg = ctx_p->cpp.alg; 90352f42c65SGilad Ben-Yossef cc_req.cpp.slot = ctx_p->cpp.slot; 90452f42c65SGilad Ben-Yossef } 90552f42c65SGilad Ben-Yossef 90663ee04c8SGilad Ben-Yossef /* Setup request context */ 90763ee04c8SGilad Ben-Yossef req_ctx->gen_ctx.op_type = direction; 90863ee04c8SGilad Ben-Yossef 90963ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Map buffers */ 91063ee04c8SGilad Ben-Yossef 91163ee04c8SGilad Ben-Yossef rc = cc_map_cipher_request(ctx_p->drvdata, req_ctx, ivsize, nbytes, 91263ee04c8SGilad Ben-Yossef req_ctx->iv, src, dst, flags); 91363ee04c8SGilad Ben-Yossef if (rc) { 91463ee04c8SGilad Ben-Yossef dev_err(dev, "map_request() failed\n"); 91563ee04c8SGilad Ben-Yossef goto exit_process; 91663ee04c8SGilad Ben-Yossef } 91763ee04c8SGilad Ben-Yossef 91863ee04c8SGilad Ben-Yossef /* STAT_PHASE_2: Create sequence */ 91963ee04c8SGilad Ben-Yossef 9205c83e8ecSOfir Drang /* Setup state (IV) */ 921dd8486c7SGilad Ben-Yossef cc_setup_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); 9224b1d7debSGilad Ben-Yossef /* Setup MLLI line, if needed */ 9234b1d7debSGilad Ben-Yossef cc_setup_mlli_desc(tfm, req_ctx, dst, src, nbytes, req, desc, &seq_len); 924dd8486c7SGilad Ben-Yossef /* Setup key */ 925dd8486c7SGilad Ben-Yossef cc_setup_key_desc(tfm, req_ctx, nbytes, desc, &seq_len); 9265c83e8ecSOfir Drang /* Setup state (IV and XEX key) */ 9275c83e8ecSOfir Drang cc_setup_xex_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); 92863ee04c8SGilad Ben-Yossef /* Data processing */ 9296f17e00fSGilad Ben-Yossef cc_setup_flow_desc(tfm, req_ctx, dst, src, nbytes, desc, &seq_len); 9306f17e00fSGilad Ben-Yossef /* Read next IV */ 9316f17e00fSGilad Ben-Yossef cc_setup_readiv_desc(tfm, req_ctx, ivsize, desc, &seq_len); 93263ee04c8SGilad Ben-Yossef 93363ee04c8SGilad Ben-Yossef /* STAT_PHASE_3: Lock HW and push sequence */ 93463ee04c8SGilad Ben-Yossef 93563ee04c8SGilad Ben-Yossef rc = cc_send_request(ctx_p->drvdata, &cc_req, desc, seq_len, 93663ee04c8SGilad Ben-Yossef &req->base); 93763ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 93863ee04c8SGilad Ben-Yossef /* Failed to send the request or request completed 93963ee04c8SGilad Ben-Yossef * synchronously 94063ee04c8SGilad Ben-Yossef */ 94163ee04c8SGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 94263ee04c8SGilad Ben-Yossef } 94363ee04c8SGilad Ben-Yossef 94463ee04c8SGilad Ben-Yossef exit_process: 94563ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 94663ee04c8SGilad Ben-Yossef kzfree(req_ctx->iv); 94763ee04c8SGilad Ben-Yossef } 94863ee04c8SGilad Ben-Yossef 94963ee04c8SGilad Ben-Yossef return rc; 95063ee04c8SGilad Ben-Yossef } 95163ee04c8SGilad Ben-Yossef 95263ee04c8SGilad Ben-Yossef static int cc_cipher_encrypt(struct skcipher_request *req) 95363ee04c8SGilad Ben-Yossef { 95463ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 95563ee04c8SGilad Ben-Yossef 956e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 95763ee04c8SGilad Ben-Yossef 95863ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_ENCRYPT); 95963ee04c8SGilad Ben-Yossef } 96063ee04c8SGilad Ben-Yossef 96163ee04c8SGilad Ben-Yossef static int cc_cipher_decrypt(struct skcipher_request *req) 96263ee04c8SGilad Ben-Yossef { 96363ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 96463ee04c8SGilad Ben-Yossef 965e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 966e30368f3SGilad Ben-Yossef 96763ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT); 96863ee04c8SGilad Ben-Yossef } 96963ee04c8SGilad Ben-Yossef 97063ee04c8SGilad Ben-Yossef /* Block cipher alg */ 97163ee04c8SGilad Ben-Yossef static const struct cc_alg_template skcipher_algs[] = { 97263ee04c8SGilad Ben-Yossef { 973a794d8d8SGilad Ben-Yossef .name = "xts(paes)", 974a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-ccree", 97567caef08SUri Shir .blocksize = 1, 976a794d8d8SGilad Ben-Yossef .template_skcipher = { 977a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 978a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 979a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 980a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 981a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 982a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 983a794d8d8SGilad Ben-Yossef }, 984a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 985a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 986a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 9871c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 988f98f6e21SGilad Ben-Yossef .sec_func = true, 989a794d8d8SGilad Ben-Yossef }, 990a794d8d8SGilad Ben-Yossef { 991a794d8d8SGilad Ben-Yossef .name = "xts512(paes)", 992a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du512-ccree", 99367caef08SUri Shir .blocksize = 1, 994a794d8d8SGilad Ben-Yossef .template_skcipher = { 995a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 996a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 997a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 998a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 999a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1000a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1001a794d8d8SGilad Ben-Yossef }, 1002a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 1003a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1004a794d8d8SGilad Ben-Yossef .data_unit = 512, 1005a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10061c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1007f98f6e21SGilad Ben-Yossef .sec_func = true, 1008a794d8d8SGilad Ben-Yossef }, 1009a794d8d8SGilad Ben-Yossef { 1010a794d8d8SGilad Ben-Yossef .name = "xts4096(paes)", 1011a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du4096-ccree", 101267caef08SUri Shir .blocksize = 1, 1013a794d8d8SGilad Ben-Yossef .template_skcipher = { 1014a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1015a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1016a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1017a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1018a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1019a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1020a794d8d8SGilad Ben-Yossef }, 1021a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 1022a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1023a794d8d8SGilad Ben-Yossef .data_unit = 4096, 1024a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10251c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1026f98f6e21SGilad Ben-Yossef .sec_func = true, 1027a794d8d8SGilad Ben-Yossef }, 1028a794d8d8SGilad Ben-Yossef { 1029a794d8d8SGilad Ben-Yossef .name = "essiv(paes)", 1030a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-ccree", 1031a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1032a794d8d8SGilad Ben-Yossef .template_skcipher = { 1033a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1034a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1035a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1036a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1037a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1038a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1039a794d8d8SGilad Ben-Yossef }, 1040a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 1041a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1042a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10431c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1044f98f6e21SGilad Ben-Yossef .sec_func = true, 1045a794d8d8SGilad Ben-Yossef }, 1046a794d8d8SGilad Ben-Yossef { 1047a794d8d8SGilad Ben-Yossef .name = "essiv512(paes)", 1048a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du512-ccree", 1049a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1050a794d8d8SGilad Ben-Yossef .template_skcipher = { 1051a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1052a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1053a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1054a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1055a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1056a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1057a794d8d8SGilad Ben-Yossef }, 1058a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 1059a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1060a794d8d8SGilad Ben-Yossef .data_unit = 512, 1061a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10621c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1063f98f6e21SGilad Ben-Yossef .sec_func = true, 1064a794d8d8SGilad Ben-Yossef }, 1065a794d8d8SGilad Ben-Yossef { 1066a794d8d8SGilad Ben-Yossef .name = "essiv4096(paes)", 1067a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du4096-ccree", 1068a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1069a794d8d8SGilad Ben-Yossef .template_skcipher = { 1070a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1071a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1072a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1073a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1074a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1075a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1076a794d8d8SGilad Ben-Yossef }, 1077a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 1078a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1079a794d8d8SGilad Ben-Yossef .data_unit = 4096, 1080a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10811c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1082f98f6e21SGilad Ben-Yossef .sec_func = true, 1083a794d8d8SGilad Ben-Yossef }, 1084a794d8d8SGilad Ben-Yossef { 1085a794d8d8SGilad Ben-Yossef .name = "bitlocker(paes)", 1086a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-ccree", 1087a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1088a794d8d8SGilad Ben-Yossef .template_skcipher = { 1089a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1090a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1091a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1092a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1093a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1094a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1095a794d8d8SGilad Ben-Yossef }, 1096a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 1097a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1098a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10991c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1100f98f6e21SGilad Ben-Yossef .sec_func = true, 1101a794d8d8SGilad Ben-Yossef }, 1102a794d8d8SGilad Ben-Yossef { 1103a794d8d8SGilad Ben-Yossef .name = "bitlocker512(paes)", 1104a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du512-ccree", 1105a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1106a794d8d8SGilad Ben-Yossef .template_skcipher = { 1107a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1108a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1109a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1110a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1111a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1112a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1113a794d8d8SGilad Ben-Yossef }, 1114a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 1115a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1116a794d8d8SGilad Ben-Yossef .data_unit = 512, 1117a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11181c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1119f98f6e21SGilad Ben-Yossef .sec_func = true, 1120a794d8d8SGilad Ben-Yossef }, 1121a794d8d8SGilad Ben-Yossef { 1122a794d8d8SGilad Ben-Yossef .name = "bitlocker4096(paes)", 1123a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du4096-ccree", 1124a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1125a794d8d8SGilad Ben-Yossef .template_skcipher = { 1126a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1127a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1128a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1129a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1130a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1131a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1132a794d8d8SGilad Ben-Yossef }, 1133a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 1134a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1135a794d8d8SGilad Ben-Yossef .data_unit = 4096, 1136a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11371c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1138f98f6e21SGilad Ben-Yossef .sec_func = true, 1139a794d8d8SGilad Ben-Yossef }, 1140a794d8d8SGilad Ben-Yossef { 1141a794d8d8SGilad Ben-Yossef .name = "ecb(paes)", 1142a794d8d8SGilad Ben-Yossef .driver_name = "ecb-paes-ccree", 1143a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1144a794d8d8SGilad Ben-Yossef .template_skcipher = { 1145a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1146a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1147a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1148a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1149a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1150a794d8d8SGilad Ben-Yossef .ivsize = 0, 1151a794d8d8SGilad Ben-Yossef }, 1152a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 1153a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1154a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11551c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1156f98f6e21SGilad Ben-Yossef .sec_func = true, 1157a794d8d8SGilad Ben-Yossef }, 1158a794d8d8SGilad Ben-Yossef { 1159a794d8d8SGilad Ben-Yossef .name = "cbc(paes)", 1160a794d8d8SGilad Ben-Yossef .driver_name = "cbc-paes-ccree", 1161a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1162a794d8d8SGilad Ben-Yossef .template_skcipher = { 1163a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1164a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1165a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1166a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1167a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1168a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1169a794d8d8SGilad Ben-Yossef }, 1170a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 1171a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1172a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11731c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1174f98f6e21SGilad Ben-Yossef .sec_func = true, 1175a794d8d8SGilad Ben-Yossef }, 1176a794d8d8SGilad Ben-Yossef { 1177a794d8d8SGilad Ben-Yossef .name = "ofb(paes)", 1178a794d8d8SGilad Ben-Yossef .driver_name = "ofb-paes-ccree", 1179a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1180a794d8d8SGilad Ben-Yossef .template_skcipher = { 1181a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1182a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1183a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1184a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1185a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1186a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1187a794d8d8SGilad Ben-Yossef }, 1188a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 1189a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1190a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11911c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1192f98f6e21SGilad Ben-Yossef .sec_func = true, 1193a794d8d8SGilad Ben-Yossef }, 1194a794d8d8SGilad Ben-Yossef { 119584f366daSGilad Ben-Yossef .name = "cts(cbc(paes))", 119684f366daSGilad Ben-Yossef .driver_name = "cts-cbc-paes-ccree", 1197a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1198a794d8d8SGilad Ben-Yossef .template_skcipher = { 1199a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1200a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1201a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1202a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1203a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1204a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1205a794d8d8SGilad Ben-Yossef }, 1206a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 1207a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1208a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12091c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1210f98f6e21SGilad Ben-Yossef .sec_func = true, 1211a794d8d8SGilad Ben-Yossef }, 1212a794d8d8SGilad Ben-Yossef { 1213a794d8d8SGilad Ben-Yossef .name = "ctr(paes)", 1214a794d8d8SGilad Ben-Yossef .driver_name = "ctr-paes-ccree", 1215a794d8d8SGilad Ben-Yossef .blocksize = 1, 1216a794d8d8SGilad Ben-Yossef .template_skcipher = { 1217a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1218a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1219a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1220a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1221a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1222a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1223a794d8d8SGilad Ben-Yossef }, 1224a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1225a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1226a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12271c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1228f98f6e21SGilad Ben-Yossef .sec_func = true, 1229a794d8d8SGilad Ben-Yossef }, 1230a794d8d8SGilad Ben-Yossef { 123163ee04c8SGilad Ben-Yossef .name = "xts(aes)", 123263ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-ccree", 123367caef08SUri Shir .blocksize = 1, 123463ee04c8SGilad Ben-Yossef .template_skcipher = { 123563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 123663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 123763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 123863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 123963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 124063ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 124163ee04c8SGilad Ben-Yossef }, 124263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 124363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 124427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 12451c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 124663ee04c8SGilad Ben-Yossef }, 124763ee04c8SGilad Ben-Yossef { 124863ee04c8SGilad Ben-Yossef .name = "xts512(aes)", 124963ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du512-ccree", 125067caef08SUri Shir .blocksize = 1, 125163ee04c8SGilad Ben-Yossef .template_skcipher = { 125263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 125363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 125463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 125563ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 125663ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 125763ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 125863ee04c8SGilad Ben-Yossef }, 125963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 126063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 126163ee04c8SGilad Ben-Yossef .data_unit = 512, 126227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12631c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 126463ee04c8SGilad Ben-Yossef }, 126563ee04c8SGilad Ben-Yossef { 126663ee04c8SGilad Ben-Yossef .name = "xts4096(aes)", 126763ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du4096-ccree", 126867caef08SUri Shir .blocksize = 1, 126963ee04c8SGilad Ben-Yossef .template_skcipher = { 127063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 127163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 127263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 127363ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 127463ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 127563ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 127663ee04c8SGilad Ben-Yossef }, 127763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 127863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 127963ee04c8SGilad Ben-Yossef .data_unit = 4096, 128027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12811c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 128263ee04c8SGilad Ben-Yossef }, 128363ee04c8SGilad Ben-Yossef { 128463ee04c8SGilad Ben-Yossef .name = "essiv(aes)", 128563ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-ccree", 128663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 128763ee04c8SGilad Ben-Yossef .template_skcipher = { 128863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 128963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 129063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 129163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 129263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 129363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 129463ee04c8SGilad Ben-Yossef }, 129563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 129663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 129727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12981c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 129963ee04c8SGilad Ben-Yossef }, 130063ee04c8SGilad Ben-Yossef { 130163ee04c8SGilad Ben-Yossef .name = "essiv512(aes)", 130263ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du512-ccree", 130363ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 130463ee04c8SGilad Ben-Yossef .template_skcipher = { 130563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 130663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 130763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 130863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 130963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 131063ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 131163ee04c8SGilad Ben-Yossef }, 131263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 131363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 131463ee04c8SGilad Ben-Yossef .data_unit = 512, 131527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13161c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 131763ee04c8SGilad Ben-Yossef }, 131863ee04c8SGilad Ben-Yossef { 131963ee04c8SGilad Ben-Yossef .name = "essiv4096(aes)", 132063ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du4096-ccree", 132163ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 132263ee04c8SGilad Ben-Yossef .template_skcipher = { 132363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 132463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 132563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 132663ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 132763ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 132863ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 132963ee04c8SGilad Ben-Yossef }, 133063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 133163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 133263ee04c8SGilad Ben-Yossef .data_unit = 4096, 133327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13341c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 133563ee04c8SGilad Ben-Yossef }, 133663ee04c8SGilad Ben-Yossef { 133763ee04c8SGilad Ben-Yossef .name = "bitlocker(aes)", 133863ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-ccree", 133963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 134063ee04c8SGilad Ben-Yossef .template_skcipher = { 134163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 134263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 134363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 134463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 134563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 134663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 134763ee04c8SGilad Ben-Yossef }, 134863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 134963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 135027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13511c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 135263ee04c8SGilad Ben-Yossef }, 135363ee04c8SGilad Ben-Yossef { 135463ee04c8SGilad Ben-Yossef .name = "bitlocker512(aes)", 135563ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du512-ccree", 135663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 135763ee04c8SGilad Ben-Yossef .template_skcipher = { 135863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 135963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 136063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 136163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 136263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 136363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 136463ee04c8SGilad Ben-Yossef }, 136563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 136663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 136763ee04c8SGilad Ben-Yossef .data_unit = 512, 136827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13691c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 137063ee04c8SGilad Ben-Yossef }, 137163ee04c8SGilad Ben-Yossef { 137263ee04c8SGilad Ben-Yossef .name = "bitlocker4096(aes)", 137363ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du4096-ccree", 137463ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 137563ee04c8SGilad Ben-Yossef .template_skcipher = { 137663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 137763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 137863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 137963ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 138063ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 138163ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 138263ee04c8SGilad Ben-Yossef }, 138363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 138463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 138563ee04c8SGilad Ben-Yossef .data_unit = 4096, 138627b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13871c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 138863ee04c8SGilad Ben-Yossef }, 138963ee04c8SGilad Ben-Yossef { 139063ee04c8SGilad Ben-Yossef .name = "ecb(aes)", 139163ee04c8SGilad Ben-Yossef .driver_name = "ecb-aes-ccree", 139263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 139363ee04c8SGilad Ben-Yossef .template_skcipher = { 139463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 139563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 139663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 139763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 139863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 139963ee04c8SGilad Ben-Yossef .ivsize = 0, 140063ee04c8SGilad Ben-Yossef }, 140163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 140263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 140327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14041c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 140563ee04c8SGilad Ben-Yossef }, 140663ee04c8SGilad Ben-Yossef { 140763ee04c8SGilad Ben-Yossef .name = "cbc(aes)", 140863ee04c8SGilad Ben-Yossef .driver_name = "cbc-aes-ccree", 140963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 141063ee04c8SGilad Ben-Yossef .template_skcipher = { 141163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 141263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 141363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 141463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 141563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 141663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 141763ee04c8SGilad Ben-Yossef }, 141863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 141963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 142027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14211c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 142263ee04c8SGilad Ben-Yossef }, 142363ee04c8SGilad Ben-Yossef { 142463ee04c8SGilad Ben-Yossef .name = "ofb(aes)", 142563ee04c8SGilad Ben-Yossef .driver_name = "ofb-aes-ccree", 142663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 142763ee04c8SGilad Ben-Yossef .template_skcipher = { 142863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 142963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 143063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 143163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 143263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 143363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 143463ee04c8SGilad Ben-Yossef }, 143563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 143663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 143727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14381c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 143963ee04c8SGilad Ben-Yossef }, 144063ee04c8SGilad Ben-Yossef { 144184f366daSGilad Ben-Yossef .name = "cts(cbc(aes))", 144284f366daSGilad Ben-Yossef .driver_name = "cts-cbc-aes-ccree", 144363ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 144463ee04c8SGilad Ben-Yossef .template_skcipher = { 144563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 144663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 144763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 144863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 144963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 145063ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 145163ee04c8SGilad Ben-Yossef }, 145263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 145363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 145427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14551c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 145663ee04c8SGilad Ben-Yossef }, 145763ee04c8SGilad Ben-Yossef { 145863ee04c8SGilad Ben-Yossef .name = "ctr(aes)", 145963ee04c8SGilad Ben-Yossef .driver_name = "ctr-aes-ccree", 146063ee04c8SGilad Ben-Yossef .blocksize = 1, 146163ee04c8SGilad Ben-Yossef .template_skcipher = { 146263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 146363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 146463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 146563ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 146663ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 146763ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 146863ee04c8SGilad Ben-Yossef }, 146963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 147063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 147127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14721c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 147363ee04c8SGilad Ben-Yossef }, 147463ee04c8SGilad Ben-Yossef { 147563ee04c8SGilad Ben-Yossef .name = "cbc(des3_ede)", 147663ee04c8SGilad Ben-Yossef .driver_name = "cbc-3des-ccree", 147763ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 147863ee04c8SGilad Ben-Yossef .template_skcipher = { 147963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 148063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 148163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 148263ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 148363ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 148463ee04c8SGilad Ben-Yossef .ivsize = DES3_EDE_BLOCK_SIZE, 148563ee04c8SGilad Ben-Yossef }, 148663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 148763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 148827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14891c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 149063ee04c8SGilad Ben-Yossef }, 149163ee04c8SGilad Ben-Yossef { 149263ee04c8SGilad Ben-Yossef .name = "ecb(des3_ede)", 149363ee04c8SGilad Ben-Yossef .driver_name = "ecb-3des-ccree", 149463ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 149563ee04c8SGilad Ben-Yossef .template_skcipher = { 149663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 149763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 149863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 149963ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 150063ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 150163ee04c8SGilad Ben-Yossef .ivsize = 0, 150263ee04c8SGilad Ben-Yossef }, 150363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 150463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 150527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 15061c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 150763ee04c8SGilad Ben-Yossef }, 150863ee04c8SGilad Ben-Yossef { 150963ee04c8SGilad Ben-Yossef .name = "cbc(des)", 151063ee04c8SGilad Ben-Yossef .driver_name = "cbc-des-ccree", 151163ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 151263ee04c8SGilad Ben-Yossef .template_skcipher = { 151363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 151463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 151563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 151663ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 151763ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 151863ee04c8SGilad Ben-Yossef .ivsize = DES_BLOCK_SIZE, 151963ee04c8SGilad Ben-Yossef }, 152063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 152163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 152227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 15231c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 152463ee04c8SGilad Ben-Yossef }, 152563ee04c8SGilad Ben-Yossef { 152663ee04c8SGilad Ben-Yossef .name = "ecb(des)", 152763ee04c8SGilad Ben-Yossef .driver_name = "ecb-des-ccree", 152863ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 152963ee04c8SGilad Ben-Yossef .template_skcipher = { 153063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 153163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 153263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 153363ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 153463ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 153563ee04c8SGilad Ben-Yossef .ivsize = 0, 153663ee04c8SGilad Ben-Yossef }, 153763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 153863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 153927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 15401c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 154163ee04c8SGilad Ben-Yossef }, 15429b8d51f8SGilad Ben-Yossef { 15439b8d51f8SGilad Ben-Yossef .name = "cbc(sm4)", 15449b8d51f8SGilad Ben-Yossef .driver_name = "cbc-sm4-ccree", 15459b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15469b8d51f8SGilad Ben-Yossef .template_skcipher = { 15479b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15489b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15499b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15509b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15519b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15529b8d51f8SGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 15539b8d51f8SGilad Ben-Yossef }, 15549b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 15559b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15569b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15571c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15589b8d51f8SGilad Ben-Yossef }, 15599b8d51f8SGilad Ben-Yossef { 15609b8d51f8SGilad Ben-Yossef .name = "ecb(sm4)", 15619b8d51f8SGilad Ben-Yossef .driver_name = "ecb-sm4-ccree", 15629b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15639b8d51f8SGilad Ben-Yossef .template_skcipher = { 15649b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15659b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15669b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15679b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15689b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15699b8d51f8SGilad Ben-Yossef .ivsize = 0, 15709b8d51f8SGilad Ben-Yossef }, 15719b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 15729b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15739b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15741c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15759b8d51f8SGilad Ben-Yossef }, 15769b8d51f8SGilad Ben-Yossef { 15779b8d51f8SGilad Ben-Yossef .name = "ctr(sm4)", 15789b8d51f8SGilad Ben-Yossef .driver_name = "ctr-sm4-ccree", 15799b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15809b8d51f8SGilad Ben-Yossef .template_skcipher = { 15819b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15829b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15839b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15849b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15859b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15869b8d51f8SGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 15879b8d51f8SGilad Ben-Yossef }, 15889b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 15899b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15909b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15911c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15929b8d51f8SGilad Ben-Yossef }, 1593bee711faSGilad Ben-Yossef { 1594bee711faSGilad Ben-Yossef .name = "cbc(psm4)", 1595bee711faSGilad Ben-Yossef .driver_name = "cbc-psm4-ccree", 1596bee711faSGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 1597bee711faSGilad Ben-Yossef .template_skcipher = { 1598bee711faSGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1599bee711faSGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1600bee711faSGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1601bee711faSGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1602bee711faSGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1603bee711faSGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 1604bee711faSGilad Ben-Yossef }, 1605bee711faSGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 1606bee711faSGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 1607bee711faSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 1608bee711faSGilad Ben-Yossef .std_body = CC_STD_OSCCA, 1609bee711faSGilad Ben-Yossef .sec_func = true, 1610bee711faSGilad Ben-Yossef }, 1611bee711faSGilad Ben-Yossef { 1612bee711faSGilad Ben-Yossef .name = "ctr(psm4)", 1613bee711faSGilad Ben-Yossef .driver_name = "ctr-psm4-ccree", 1614bee711faSGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 1615bee711faSGilad Ben-Yossef .template_skcipher = { 1616bee711faSGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1617bee711faSGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1618bee711faSGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1619bee711faSGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1620bee711faSGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1621bee711faSGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 1622bee711faSGilad Ben-Yossef }, 1623bee711faSGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1624bee711faSGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 1625bee711faSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 1626bee711faSGilad Ben-Yossef .std_body = CC_STD_OSCCA, 1627bee711faSGilad Ben-Yossef .sec_func = true, 1628bee711faSGilad Ben-Yossef }, 162963ee04c8SGilad Ben-Yossef }; 163063ee04c8SGilad Ben-Yossef 163163ee04c8SGilad Ben-Yossef static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl, 163263ee04c8SGilad Ben-Yossef struct device *dev) 163363ee04c8SGilad Ben-Yossef { 163463ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 163563ee04c8SGilad Ben-Yossef struct skcipher_alg *alg; 163663ee04c8SGilad Ben-Yossef 163763ee04c8SGilad Ben-Yossef t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); 163863ee04c8SGilad Ben-Yossef if (!t_alg) 163963ee04c8SGilad Ben-Yossef return ERR_PTR(-ENOMEM); 164063ee04c8SGilad Ben-Yossef 164163ee04c8SGilad Ben-Yossef alg = &t_alg->skcipher_alg; 164263ee04c8SGilad Ben-Yossef 164363ee04c8SGilad Ben-Yossef memcpy(alg, &tmpl->template_skcipher, sizeof(*alg)); 164463ee04c8SGilad Ben-Yossef 164563ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name); 164663ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", 164763ee04c8SGilad Ben-Yossef tmpl->driver_name); 164863ee04c8SGilad Ben-Yossef alg->base.cra_module = THIS_MODULE; 164963ee04c8SGilad Ben-Yossef alg->base.cra_priority = CC_CRA_PRIO; 165063ee04c8SGilad Ben-Yossef alg->base.cra_blocksize = tmpl->blocksize; 165163ee04c8SGilad Ben-Yossef alg->base.cra_alignmask = 0; 165263ee04c8SGilad Ben-Yossef alg->base.cra_ctxsize = sizeof(struct cc_cipher_ctx); 165363ee04c8SGilad Ben-Yossef 165463ee04c8SGilad Ben-Yossef alg->base.cra_init = cc_cipher_init; 165563ee04c8SGilad Ben-Yossef alg->base.cra_exit = cc_cipher_exit; 16562c95e6d9SEric Biggers alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; 165763ee04c8SGilad Ben-Yossef 165863ee04c8SGilad Ben-Yossef t_alg->cipher_mode = tmpl->cipher_mode; 165963ee04c8SGilad Ben-Yossef t_alg->flow_mode = tmpl->flow_mode; 166063ee04c8SGilad Ben-Yossef t_alg->data_unit = tmpl->data_unit; 166163ee04c8SGilad Ben-Yossef 166263ee04c8SGilad Ben-Yossef return t_alg; 166363ee04c8SGilad Ben-Yossef } 166463ee04c8SGilad Ben-Yossef 166563ee04c8SGilad Ben-Yossef int cc_cipher_free(struct cc_drvdata *drvdata) 166663ee04c8SGilad Ben-Yossef { 166763ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg, *n; 166863ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle = drvdata->cipher_handle; 166963ee04c8SGilad Ben-Yossef 167063ee04c8SGilad Ben-Yossef if (cipher_handle) { 167163ee04c8SGilad Ben-Yossef /* Remove registered algs */ 167263ee04c8SGilad Ben-Yossef list_for_each_entry_safe(t_alg, n, &cipher_handle->alg_list, 167363ee04c8SGilad Ben-Yossef entry) { 167463ee04c8SGilad Ben-Yossef crypto_unregister_skcipher(&t_alg->skcipher_alg); 167563ee04c8SGilad Ben-Yossef list_del(&t_alg->entry); 167663ee04c8SGilad Ben-Yossef kfree(t_alg); 167763ee04c8SGilad Ben-Yossef } 167863ee04c8SGilad Ben-Yossef kfree(cipher_handle); 167963ee04c8SGilad Ben-Yossef drvdata->cipher_handle = NULL; 168063ee04c8SGilad Ben-Yossef } 168163ee04c8SGilad Ben-Yossef return 0; 168263ee04c8SGilad Ben-Yossef } 168363ee04c8SGilad Ben-Yossef 168463ee04c8SGilad Ben-Yossef int cc_cipher_alloc(struct cc_drvdata *drvdata) 168563ee04c8SGilad Ben-Yossef { 168663ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle; 168763ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 168863ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(drvdata); 168963ee04c8SGilad Ben-Yossef int rc = -ENOMEM; 169063ee04c8SGilad Ben-Yossef int alg; 169163ee04c8SGilad Ben-Yossef 169263ee04c8SGilad Ben-Yossef cipher_handle = kmalloc(sizeof(*cipher_handle), GFP_KERNEL); 169363ee04c8SGilad Ben-Yossef if (!cipher_handle) 169463ee04c8SGilad Ben-Yossef return -ENOMEM; 169563ee04c8SGilad Ben-Yossef 169663ee04c8SGilad Ben-Yossef INIT_LIST_HEAD(&cipher_handle->alg_list); 169763ee04c8SGilad Ben-Yossef drvdata->cipher_handle = cipher_handle; 169863ee04c8SGilad Ben-Yossef 169963ee04c8SGilad Ben-Yossef /* Linux crypto */ 170063ee04c8SGilad Ben-Yossef dev_dbg(dev, "Number of algorithms = %zu\n", 170163ee04c8SGilad Ben-Yossef ARRAY_SIZE(skcipher_algs)); 170263ee04c8SGilad Ben-Yossef for (alg = 0; alg < ARRAY_SIZE(skcipher_algs); alg++) { 17031c876a90SGilad Ben-Yossef if ((skcipher_algs[alg].min_hw_rev > drvdata->hw_rev) || 1704f98f6e21SGilad Ben-Yossef !(drvdata->std_bodies & skcipher_algs[alg].std_body) || 1705f98f6e21SGilad Ben-Yossef (drvdata->sec_disabled && skcipher_algs[alg].sec_func)) 170627b3b22dSGilad Ben-Yossef continue; 170727b3b22dSGilad Ben-Yossef 170863ee04c8SGilad Ben-Yossef dev_dbg(dev, "creating %s\n", skcipher_algs[alg].driver_name); 170963ee04c8SGilad Ben-Yossef t_alg = cc_create_alg(&skcipher_algs[alg], dev); 171063ee04c8SGilad Ben-Yossef if (IS_ERR(t_alg)) { 171163ee04c8SGilad Ben-Yossef rc = PTR_ERR(t_alg); 171263ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg allocation failed\n", 171363ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 171463ee04c8SGilad Ben-Yossef goto fail0; 171563ee04c8SGilad Ben-Yossef } 171663ee04c8SGilad Ben-Yossef t_alg->drvdata = drvdata; 171763ee04c8SGilad Ben-Yossef 171863ee04c8SGilad Ben-Yossef dev_dbg(dev, "registering %s\n", 171963ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 172063ee04c8SGilad Ben-Yossef rc = crypto_register_skcipher(&t_alg->skcipher_alg); 172163ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s alg registration rc = %x\n", 172263ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name, rc); 172363ee04c8SGilad Ben-Yossef if (rc) { 172463ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg registration failed\n", 172563ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 172663ee04c8SGilad Ben-Yossef kfree(t_alg); 172763ee04c8SGilad Ben-Yossef goto fail0; 172863ee04c8SGilad Ben-Yossef } else { 172963ee04c8SGilad Ben-Yossef list_add_tail(&t_alg->entry, 173063ee04c8SGilad Ben-Yossef &cipher_handle->alg_list); 173163ee04c8SGilad Ben-Yossef dev_dbg(dev, "Registered %s\n", 173263ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 173363ee04c8SGilad Ben-Yossef } 173463ee04c8SGilad Ben-Yossef } 173563ee04c8SGilad Ben-Yossef return 0; 173663ee04c8SGilad Ben-Yossef 173763ee04c8SGilad Ben-Yossef fail0: 173863ee04c8SGilad Ben-Yossef cc_cipher_free(drvdata); 173963ee04c8SGilad Ben-Yossef return rc; 174063ee04c8SGilad Ben-Yossef } 1741