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> 863ee04c8SGilad Ben-Yossef #include <crypto/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 1963ee04c8SGilad Ben-Yossef #define MAX_ABLKCIPHER_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: 119f53ad3e1SGilad Ben-Yossef if (size >= AES_BLOCK_SIZE && 12063ee04c8SGilad Ben-Yossef IS_ALIGNED(size, AES_BLOCK_SIZE)) 12163ee04c8SGilad Ben-Yossef return 0; 12263ee04c8SGilad Ben-Yossef break; 12363ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 12463ee04c8SGilad Ben-Yossef if (size >= AES_BLOCK_SIZE) 12563ee04c8SGilad Ben-Yossef return 0; 12663ee04c8SGilad Ben-Yossef break; 12763ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 12863ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 12963ee04c8SGilad Ben-Yossef return 0; 13063ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 13163ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 13263ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 13363ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 13463ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, AES_BLOCK_SIZE)) 13563ee04c8SGilad Ben-Yossef return 0; 13663ee04c8SGilad Ben-Yossef break; 13763ee04c8SGilad Ben-Yossef default: 13863ee04c8SGilad Ben-Yossef break; 13963ee04c8SGilad Ben-Yossef } 14063ee04c8SGilad Ben-Yossef break; 14163ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 14263ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, DES_BLOCK_SIZE)) 14363ee04c8SGilad Ben-Yossef return 0; 14463ee04c8SGilad Ben-Yossef break; 1459b8d51f8SGilad Ben-Yossef case S_DIN_to_SM4: 1469b8d51f8SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 1479b8d51f8SGilad Ben-Yossef case DRV_CIPHER_CTR: 1489b8d51f8SGilad Ben-Yossef return 0; 1499b8d51f8SGilad Ben-Yossef case DRV_CIPHER_ECB: 1509b8d51f8SGilad Ben-Yossef case DRV_CIPHER_CBC: 1519b8d51f8SGilad Ben-Yossef if (IS_ALIGNED(size, SM4_BLOCK_SIZE)) 1529b8d51f8SGilad Ben-Yossef return 0; 1539b8d51f8SGilad Ben-Yossef default: 1549b8d51f8SGilad Ben-Yossef break; 1559b8d51f8SGilad Ben-Yossef } 15663ee04c8SGilad Ben-Yossef default: 15763ee04c8SGilad Ben-Yossef break; 15863ee04c8SGilad Ben-Yossef } 15963ee04c8SGilad Ben-Yossef return -EINVAL; 16063ee04c8SGilad Ben-Yossef } 16163ee04c8SGilad Ben-Yossef 16263ee04c8SGilad Ben-Yossef static int cc_cipher_init(struct crypto_tfm *tfm) 16363ee04c8SGilad Ben-Yossef { 16463ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 16563ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 16663ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 16763ee04c8SGilad Ben-Yossef skcipher_alg.base); 16863ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(cc_alg->drvdata); 16963ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 17063ee04c8SGilad Ben-Yossef int rc = 0; 17163ee04c8SGilad Ben-Yossef 17263ee04c8SGilad Ben-Yossef dev_dbg(dev, "Initializing context @%p for %s\n", ctx_p, 17363ee04c8SGilad Ben-Yossef crypto_tfm_alg_name(tfm)); 17463ee04c8SGilad Ben-Yossef 17563ee04c8SGilad Ben-Yossef crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm), 17663ee04c8SGilad Ben-Yossef sizeof(struct cipher_req_ctx)); 17763ee04c8SGilad Ben-Yossef 17863ee04c8SGilad Ben-Yossef ctx_p->cipher_mode = cc_alg->cipher_mode; 17963ee04c8SGilad Ben-Yossef ctx_p->flow_mode = cc_alg->flow_mode; 18063ee04c8SGilad Ben-Yossef ctx_p->drvdata = cc_alg->drvdata; 18163ee04c8SGilad Ben-Yossef 18263ee04c8SGilad Ben-Yossef /* Allocate key buffer, cache line aligned */ 18363ee04c8SGilad Ben-Yossef ctx_p->user.key = kmalloc(max_key_buf_size, GFP_KERNEL); 18463ee04c8SGilad Ben-Yossef if (!ctx_p->user.key) 18563ee04c8SGilad Ben-Yossef return -ENOMEM; 18663ee04c8SGilad Ben-Yossef 18763ee04c8SGilad Ben-Yossef dev_dbg(dev, "Allocated key buffer in context. key=@%p\n", 18863ee04c8SGilad Ben-Yossef ctx_p->user.key); 18963ee04c8SGilad Ben-Yossef 19063ee04c8SGilad Ben-Yossef /* Map key buffer */ 19163ee04c8SGilad Ben-Yossef ctx_p->user.key_dma_addr = dma_map_single(dev, (void *)ctx_p->user.key, 19263ee04c8SGilad Ben-Yossef max_key_buf_size, 19363ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 19463ee04c8SGilad Ben-Yossef if (dma_mapping_error(dev, ctx_p->user.key_dma_addr)) { 19563ee04c8SGilad Ben-Yossef dev_err(dev, "Mapping Key %u B at va=%pK for DMA failed\n", 19663ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key); 19763ee04c8SGilad Ben-Yossef return -ENOMEM; 19863ee04c8SGilad Ben-Yossef } 19963ee04c8SGilad Ben-Yossef dev_dbg(dev, "Mapped key %u B at va=%pK to dma=%pad\n", 20063ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key, &ctx_p->user.key_dma_addr); 20163ee04c8SGilad Ben-Yossef 20263ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 20363ee04c8SGilad Ben-Yossef /* Alloc hash tfm for essiv */ 20463ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = crypto_alloc_shash("sha256-generic", 0, 0); 20563ee04c8SGilad Ben-Yossef if (IS_ERR(ctx_p->shash_tfm)) { 20663ee04c8SGilad Ben-Yossef dev_err(dev, "Error allocating hash tfm for ESSIV.\n"); 20763ee04c8SGilad Ben-Yossef return PTR_ERR(ctx_p->shash_tfm); 20863ee04c8SGilad Ben-Yossef } 20963ee04c8SGilad Ben-Yossef } 21063ee04c8SGilad Ben-Yossef 21163ee04c8SGilad Ben-Yossef return rc; 21263ee04c8SGilad Ben-Yossef } 21363ee04c8SGilad Ben-Yossef 21463ee04c8SGilad Ben-Yossef static void cc_cipher_exit(struct crypto_tfm *tfm) 21563ee04c8SGilad Ben-Yossef { 21663ee04c8SGilad Ben-Yossef struct crypto_alg *alg = tfm->__crt_alg; 21763ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 21863ee04c8SGilad Ben-Yossef container_of(alg, struct cc_crypto_alg, 21963ee04c8SGilad Ben-Yossef skcipher_alg.base); 22063ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 22163ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 22263ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 22363ee04c8SGilad Ben-Yossef 22463ee04c8SGilad Ben-Yossef dev_dbg(dev, "Clearing context @%p for %s\n", 22563ee04c8SGilad Ben-Yossef crypto_tfm_ctx(tfm), crypto_tfm_alg_name(tfm)); 22663ee04c8SGilad Ben-Yossef 22763ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 22863ee04c8SGilad Ben-Yossef /* Free hash tfm for essiv */ 22963ee04c8SGilad Ben-Yossef crypto_free_shash(ctx_p->shash_tfm); 23063ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = NULL; 23163ee04c8SGilad Ben-Yossef } 23263ee04c8SGilad Ben-Yossef 23363ee04c8SGilad Ben-Yossef /* Unmap key buffer */ 23463ee04c8SGilad Ben-Yossef dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size, 23563ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 23663ee04c8SGilad Ben-Yossef dev_dbg(dev, "Unmapped key buffer key_dma_addr=%pad\n", 23763ee04c8SGilad Ben-Yossef &ctx_p->user.key_dma_addr); 23863ee04c8SGilad Ben-Yossef 23963ee04c8SGilad Ben-Yossef /* Free key buffer in context */ 24063ee04c8SGilad Ben-Yossef kzfree(ctx_p->user.key); 24163ee04c8SGilad Ben-Yossef dev_dbg(dev, "Free key buffer in context. key=@%p\n", ctx_p->user.key); 24263ee04c8SGilad Ben-Yossef } 24363ee04c8SGilad Ben-Yossef 24463ee04c8SGilad Ben-Yossef struct tdes_keys { 24563ee04c8SGilad Ben-Yossef u8 key1[DES_KEY_SIZE]; 24663ee04c8SGilad Ben-Yossef u8 key2[DES_KEY_SIZE]; 24763ee04c8SGilad Ben-Yossef u8 key3[DES_KEY_SIZE]; 24863ee04c8SGilad Ben-Yossef }; 24963ee04c8SGilad Ben-Yossef 25052f42c65SGilad Ben-Yossef static enum cc_hw_crypto_key cc_slot_to_hw_key(u8 slot_num) 25163ee04c8SGilad Ben-Yossef { 25263ee04c8SGilad Ben-Yossef switch (slot_num) { 25363ee04c8SGilad Ben-Yossef case 0: 25463ee04c8SGilad Ben-Yossef return KFDE0_KEY; 25563ee04c8SGilad Ben-Yossef case 1: 25663ee04c8SGilad Ben-Yossef return KFDE1_KEY; 25763ee04c8SGilad Ben-Yossef case 2: 25863ee04c8SGilad Ben-Yossef return KFDE2_KEY; 25963ee04c8SGilad Ben-Yossef case 3: 26063ee04c8SGilad Ben-Yossef return KFDE3_KEY; 26163ee04c8SGilad Ben-Yossef } 26263ee04c8SGilad Ben-Yossef return END_OF_KEYS; 26363ee04c8SGilad Ben-Yossef } 26463ee04c8SGilad Ben-Yossef 26552f42c65SGilad Ben-Yossef static u8 cc_slot_to_cpp_key(u8 slot_num) 26652f42c65SGilad Ben-Yossef { 26752f42c65SGilad Ben-Yossef return (slot_num - CC_FIRST_CPP_KEY_SLOT); 26852f42c65SGilad Ben-Yossef } 26952f42c65SGilad Ben-Yossef 27052f42c65SGilad Ben-Yossef static inline enum cc_key_type cc_slot_to_key_type(u8 slot_num) 27152f42c65SGilad Ben-Yossef { 27252f42c65SGilad Ben-Yossef if (slot_num >= CC_FIRST_HW_KEY_SLOT && slot_num <= CC_LAST_HW_KEY_SLOT) 27352f42c65SGilad Ben-Yossef return CC_HW_PROTECTED_KEY; 27452f42c65SGilad Ben-Yossef else if (slot_num >= CC_FIRST_CPP_KEY_SLOT && 27552f42c65SGilad Ben-Yossef slot_num <= CC_LAST_CPP_KEY_SLOT) 27652f42c65SGilad Ben-Yossef return CC_POLICY_PROTECTED_KEY; 27752f42c65SGilad Ben-Yossef else 27852f42c65SGilad Ben-Yossef return CC_INVALID_PROTECTED_KEY; 27952f42c65SGilad Ben-Yossef } 28052f42c65SGilad Ben-Yossef 281a794d8d8SGilad Ben-Yossef static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key, 282a794d8d8SGilad Ben-Yossef unsigned int keylen) 283a794d8d8SGilad Ben-Yossef { 284a794d8d8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 285a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 286a794d8d8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 287a794d8d8SGilad Ben-Yossef struct cc_hkey_info hki; 288a794d8d8SGilad Ben-Yossef 289a794d8d8SGilad Ben-Yossef dev_dbg(dev, "Setting HW key in context @%p for %s. keylen=%u\n", 290a794d8d8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 291a794d8d8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 292a794d8d8SGilad Ben-Yossef 293a794d8d8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 294a794d8d8SGilad Ben-Yossef 29552f42c65SGilad Ben-Yossef /* This check the size of the protected key token */ 296a794d8d8SGilad Ben-Yossef if (keylen != sizeof(hki)) { 29752f42c65SGilad Ben-Yossef dev_err(dev, "Unsupported protected key size %d.\n", keylen); 298a794d8d8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 299a794d8d8SGilad Ben-Yossef return -EINVAL; 300a794d8d8SGilad Ben-Yossef } 301a794d8d8SGilad Ben-Yossef 302a794d8d8SGilad Ben-Yossef memcpy(&hki, key, keylen); 303a794d8d8SGilad Ben-Yossef 304a794d8d8SGilad Ben-Yossef /* The real key len for crypto op is the size of the HW key 305a794d8d8SGilad Ben-Yossef * referenced by the HW key slot, not the hardware key token 306a794d8d8SGilad Ben-Yossef */ 307a794d8d8SGilad Ben-Yossef keylen = hki.keylen; 308a794d8d8SGilad Ben-Yossef 309a794d8d8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 310a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported key size %d.\n", keylen); 311a794d8d8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 312a794d8d8SGilad Ben-Yossef return -EINVAL; 313a794d8d8SGilad Ben-Yossef } 314a794d8d8SGilad Ben-Yossef 31552f42c65SGilad Ben-Yossef ctx_p->keylen = keylen; 31652f42c65SGilad Ben-Yossef 31752f42c65SGilad Ben-Yossef switch (cc_slot_to_key_type(hki.hw_key1)) { 31852f42c65SGilad Ben-Yossef case CC_HW_PROTECTED_KEY: 31952f42c65SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_SM4) { 32052f42c65SGilad Ben-Yossef dev_err(dev, "Only AES HW protected keys are supported\n"); 32152f42c65SGilad Ben-Yossef return -EINVAL; 32252f42c65SGilad Ben-Yossef } 32352f42c65SGilad Ben-Yossef 324a794d8d8SGilad Ben-Yossef ctx_p->hw.key1_slot = cc_slot_to_hw_key(hki.hw_key1); 325a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key1_slot == END_OF_KEYS) { 32652f42c65SGilad Ben-Yossef dev_err(dev, "Unsupported hw key1 number (%d)\n", 32752f42c65SGilad Ben-Yossef hki.hw_key1); 328a794d8d8SGilad Ben-Yossef return -EINVAL; 329a794d8d8SGilad Ben-Yossef } 330a794d8d8SGilad Ben-Yossef 331a794d8d8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 332a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 333a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) { 334a794d8d8SGilad Ben-Yossef if (hki.hw_key1 == hki.hw_key2) { 335a794d8d8SGilad Ben-Yossef dev_err(dev, "Illegal hw key numbers (%d,%d)\n", 336a794d8d8SGilad Ben-Yossef hki.hw_key1, hki.hw_key2); 337a794d8d8SGilad Ben-Yossef return -EINVAL; 338a794d8d8SGilad Ben-Yossef } 33952f42c65SGilad Ben-Yossef 340a794d8d8SGilad Ben-Yossef ctx_p->hw.key2_slot = cc_slot_to_hw_key(hki.hw_key2); 341a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key2_slot == END_OF_KEYS) { 342a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported hw key2 number (%d)\n", 343a794d8d8SGilad Ben-Yossef hki.hw_key2); 344a794d8d8SGilad Ben-Yossef return -EINVAL; 345a794d8d8SGilad Ben-Yossef } 346a794d8d8SGilad Ben-Yossef } 347a794d8d8SGilad Ben-Yossef 34852f42c65SGilad Ben-Yossef ctx_p->key_type = CC_HW_PROTECTED_KEY; 34952f42c65SGilad Ben-Yossef dev_dbg(dev, "HW protected key %d/%d set\n.", 35052f42c65SGilad Ben-Yossef ctx_p->hw.key1_slot, ctx_p->hw.key2_slot); 35152f42c65SGilad Ben-Yossef break; 35252f42c65SGilad Ben-Yossef 35352f42c65SGilad Ben-Yossef case CC_POLICY_PROTECTED_KEY: 35452f42c65SGilad Ben-Yossef if (ctx_p->drvdata->hw_rev < CC_HW_REV_713) { 35552f42c65SGilad Ben-Yossef dev_err(dev, "CPP keys not supported in this hardware revision.\n"); 35652f42c65SGilad Ben-Yossef return -EINVAL; 35752f42c65SGilad Ben-Yossef } 35852f42c65SGilad Ben-Yossef 35952f42c65SGilad Ben-Yossef if (ctx_p->cipher_mode != DRV_CIPHER_CBC && 36052f42c65SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_CTR) { 36152f42c65SGilad Ben-Yossef dev_err(dev, "CPP keys only supported in CBC or CTR modes.\n"); 36252f42c65SGilad Ben-Yossef return -EINVAL; 36352f42c65SGilad Ben-Yossef } 36452f42c65SGilad Ben-Yossef 36552f42c65SGilad Ben-Yossef ctx_p->cpp.slot = cc_slot_to_cpp_key(hki.hw_key1); 36652f42c65SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_AES) 36752f42c65SGilad Ben-Yossef ctx_p->cpp.alg = CC_CPP_AES; 36852f42c65SGilad Ben-Yossef else /* Must be SM4 since due to sethkey registration */ 36952f42c65SGilad Ben-Yossef ctx_p->cpp.alg = CC_CPP_SM4; 37052f42c65SGilad Ben-Yossef ctx_p->key_type = CC_POLICY_PROTECTED_KEY; 37152f42c65SGilad Ben-Yossef dev_dbg(dev, "policy protedcted key alg: %d slot: %d.\n", 37252f42c65SGilad Ben-Yossef ctx_p->cpp.alg, ctx_p->cpp.slot); 37352f42c65SGilad Ben-Yossef break; 37452f42c65SGilad Ben-Yossef 37552f42c65SGilad Ben-Yossef default: 37652f42c65SGilad Ben-Yossef dev_err(dev, "Unsupported protected key (%d)\n", hki.hw_key1); 37752f42c65SGilad Ben-Yossef return -EINVAL; 37852f42c65SGilad Ben-Yossef } 379a794d8d8SGilad Ben-Yossef 380a794d8d8SGilad Ben-Yossef return 0; 381a794d8d8SGilad Ben-Yossef } 382a794d8d8SGilad Ben-Yossef 38363ee04c8SGilad Ben-Yossef static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, 38463ee04c8SGilad Ben-Yossef unsigned int keylen) 38563ee04c8SGilad Ben-Yossef { 38663ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 38763ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 38863ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 38963ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 39063ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 39163ee04c8SGilad Ben-Yossef skcipher_alg.base); 39263ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 39363ee04c8SGilad Ben-Yossef 39463ee04c8SGilad Ben-Yossef dev_dbg(dev, "Setting key in context @%p for %s. keylen=%u\n", 39563ee04c8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 39663ee04c8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 39763ee04c8SGilad Ben-Yossef 39863ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 39963ee04c8SGilad Ben-Yossef 40063ee04c8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 40163ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported key size %d.\n", keylen); 40263ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 40363ee04c8SGilad Ben-Yossef return -EINVAL; 40463ee04c8SGilad Ben-Yossef } 40563ee04c8SGilad Ben-Yossef 40652f42c65SGilad Ben-Yossef ctx_p->key_type = CC_UNPROTECTED_KEY; 40763ee04c8SGilad Ben-Yossef 40863ee04c8SGilad Ben-Yossef /* 40963ee04c8SGilad Ben-Yossef * Verify DES weak keys 41063ee04c8SGilad Ben-Yossef * Note that we're dropping the expanded key since the 41163ee04c8SGilad Ben-Yossef * HW does the expansion on its own. 41263ee04c8SGilad Ben-Yossef */ 41363ee04c8SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_DES) { 4145db46ac2SArnd Bergmann u32 tmp[DES3_EDE_EXPKEY_WORDS]; 41563ee04c8SGilad Ben-Yossef if (keylen == DES3_EDE_KEY_SIZE && 41663ee04c8SGilad Ben-Yossef __des3_ede_setkey(tmp, &tfm->crt_flags, key, 41763ee04c8SGilad Ben-Yossef DES3_EDE_KEY_SIZE)) { 41863ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak 3DES key"); 41963ee04c8SGilad Ben-Yossef return -EINVAL; 42063ee04c8SGilad Ben-Yossef } else if (!des_ekey(tmp, key) && 421231baecdSEric Biggers (crypto_tfm_get_flags(tfm) & 422231baecdSEric Biggers CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { 42363ee04c8SGilad Ben-Yossef tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; 42463ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak DES key"); 42563ee04c8SGilad Ben-Yossef return -EINVAL; 42663ee04c8SGilad Ben-Yossef } 42763ee04c8SGilad Ben-Yossef } 42863ee04c8SGilad Ben-Yossef 42963ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS && 43063ee04c8SGilad Ben-Yossef xts_check_key(tfm, key, keylen)) { 43163ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak XTS key"); 43263ee04c8SGilad Ben-Yossef return -EINVAL; 43363ee04c8SGilad Ben-Yossef } 43463ee04c8SGilad Ben-Yossef 43563ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Copy key to ctx */ 43663ee04c8SGilad Ben-Yossef dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr, 43763ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 43863ee04c8SGilad Ben-Yossef 43963ee04c8SGilad Ben-Yossef memcpy(ctx_p->user.key, key, keylen); 44063ee04c8SGilad Ben-Yossef if (keylen == 24) 44163ee04c8SGilad Ben-Yossef memset(ctx_p->user.key + 24, 0, CC_AES_KEY_SIZE_MAX - 24); 44263ee04c8SGilad Ben-Yossef 44363ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 44463ee04c8SGilad Ben-Yossef /* sha256 for key2 - use sw implementation */ 44563ee04c8SGilad Ben-Yossef int key_len = keylen >> 1; 44663ee04c8SGilad Ben-Yossef int err; 44763ee04c8SGilad Ben-Yossef 44863ee04c8SGilad Ben-Yossef SHASH_DESC_ON_STACK(desc, ctx_p->shash_tfm); 44963ee04c8SGilad Ben-Yossef 45063ee04c8SGilad Ben-Yossef desc->tfm = ctx_p->shash_tfm; 45163ee04c8SGilad Ben-Yossef 45263ee04c8SGilad Ben-Yossef err = crypto_shash_digest(desc, ctx_p->user.key, key_len, 45363ee04c8SGilad Ben-Yossef ctx_p->user.key + key_len); 45463ee04c8SGilad Ben-Yossef if (err) { 45563ee04c8SGilad Ben-Yossef dev_err(dev, "Failed to hash ESSIV key.\n"); 45663ee04c8SGilad Ben-Yossef return err; 45763ee04c8SGilad Ben-Yossef } 45863ee04c8SGilad Ben-Yossef } 45963ee04c8SGilad Ben-Yossef dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr, 46063ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 46163ee04c8SGilad Ben-Yossef ctx_p->keylen = keylen; 46263ee04c8SGilad Ben-Yossef 46363ee04c8SGilad Ben-Yossef dev_dbg(dev, "return safely"); 46463ee04c8SGilad Ben-Yossef return 0; 46563ee04c8SGilad Ben-Yossef } 46663ee04c8SGilad Ben-Yossef 4676f17e00fSGilad Ben-Yossef static int cc_out_setup_mode(struct cc_cipher_ctx *ctx_p) 4686f17e00fSGilad Ben-Yossef { 4696f17e00fSGilad Ben-Yossef switch (ctx_p->flow_mode) { 4706f17e00fSGilad Ben-Yossef case S_DIN_to_AES: 4716f17e00fSGilad Ben-Yossef return S_AES_to_DOUT; 4726f17e00fSGilad Ben-Yossef case S_DIN_to_DES: 4736f17e00fSGilad Ben-Yossef return S_DES_to_DOUT; 4746f17e00fSGilad Ben-Yossef case S_DIN_to_SM4: 4756f17e00fSGilad Ben-Yossef return S_SM4_to_DOUT; 4766f17e00fSGilad Ben-Yossef default: 4776f17e00fSGilad Ben-Yossef return ctx_p->flow_mode; 4786f17e00fSGilad Ben-Yossef } 4796f17e00fSGilad Ben-Yossef } 4806f17e00fSGilad Ben-Yossef 4816f17e00fSGilad Ben-Yossef static void cc_setup_readiv_desc(struct crypto_tfm *tfm, 4826f17e00fSGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 4836f17e00fSGilad Ben-Yossef unsigned int ivsize, struct cc_hw_desc desc[], 4846f17e00fSGilad Ben-Yossef unsigned int *seq_size) 4856f17e00fSGilad Ben-Yossef { 4866f17e00fSGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 4876f17e00fSGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 4886f17e00fSGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 4896f17e00fSGilad Ben-Yossef int flow_mode = cc_out_setup_mode(ctx_p); 4906f17e00fSGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 4916f17e00fSGilad Ben-Yossef dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 4926f17e00fSGilad Ben-Yossef 4936f17e00fSGilad Ben-Yossef if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY) 4946f17e00fSGilad Ben-Yossef return; 4956f17e00fSGilad Ben-Yossef 4966f17e00fSGilad Ben-Yossef switch (cipher_mode) { 4976f17e00fSGilad Ben-Yossef case DRV_CIPHER_ECB: 4986f17e00fSGilad Ben-Yossef break; 4996f17e00fSGilad Ben-Yossef case DRV_CIPHER_CBC: 5006f17e00fSGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 5016f17e00fSGilad Ben-Yossef case DRV_CIPHER_CTR: 5026f17e00fSGilad Ben-Yossef case DRV_CIPHER_OFB: 5036f17e00fSGilad Ben-Yossef /* Read next IV */ 5046f17e00fSGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 5056f17e00fSGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], iv_dma_addr, ivsize, NS_BIT, 1); 5066f17e00fSGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 5076f17e00fSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 5086f17e00fSGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 5096f17e00fSGilad Ben-Yossef if (cipher_mode == DRV_CIPHER_CTR || 5106f17e00fSGilad Ben-Yossef cipher_mode == DRV_CIPHER_OFB) { 5116f17e00fSGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE1); 5126f17e00fSGilad Ben-Yossef } else { 5136f17e00fSGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE0); 5146f17e00fSGilad Ben-Yossef } 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 case DRV_CIPHER_XTS: 5196f17e00fSGilad Ben-Yossef case DRV_CIPHER_ESSIV: 5206f17e00fSGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 5216f17e00fSGilad Ben-Yossef /* IV */ 5226f17e00fSGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 5236f17e00fSGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE1); 5246f17e00fSGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 5256f17e00fSGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 5266f17e00fSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 5276f17e00fSGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], iv_dma_addr, CC_AES_BLOCK_SIZE, 5286f17e00fSGilad Ben-Yossef NS_BIT, 1); 5296f17e00fSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 5306f17e00fSGilad Ben-Yossef (*seq_size)++; 5316f17e00fSGilad Ben-Yossef break; 5326f17e00fSGilad Ben-Yossef default: 5336f17e00fSGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 5346f17e00fSGilad Ben-Yossef } 5356f17e00fSGilad Ben-Yossef } 5366f17e00fSGilad Ben-Yossef 537dd8486c7SGilad Ben-Yossef static void cc_setup_state_desc(struct crypto_tfm *tfm, 53863ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 53963ee04c8SGilad Ben-Yossef unsigned int ivsize, unsigned int nbytes, 54063ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[], 54163ee04c8SGilad Ben-Yossef unsigned int *seq_size) 54263ee04c8SGilad Ben-Yossef { 54363ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 54463ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 54563ee04c8SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 54663ee04c8SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 54763ee04c8SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 54863ee04c8SGilad Ben-Yossef dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 54963ee04c8SGilad Ben-Yossef unsigned int key_len = ctx_p->keylen; 55063ee04c8SGilad Ben-Yossef dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 55163ee04c8SGilad Ben-Yossef unsigned int du_size = nbytes; 55263ee04c8SGilad Ben-Yossef 55363ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 55463ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 55563ee04c8SGilad Ben-Yossef skcipher_alg.base); 55663ee04c8SGilad Ben-Yossef 55763ee04c8SGilad Ben-Yossef if (cc_alg->data_unit) 55863ee04c8SGilad Ben-Yossef du_size = cc_alg->data_unit; 55963ee04c8SGilad Ben-Yossef 56063ee04c8SGilad Ben-Yossef switch (cipher_mode) { 561dd8486c7SGilad Ben-Yossef case DRV_CIPHER_ECB: 562dd8486c7SGilad Ben-Yossef break; 56363ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 56463ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 56563ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 56663ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 567dd8486c7SGilad Ben-Yossef /* Load IV */ 56863ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 56963ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, ivsize, 57063ee04c8SGilad Ben-Yossef NS_BIT); 57163ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 57263ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 57363ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 57463ee04c8SGilad Ben-Yossef if (cipher_mode == DRV_CIPHER_CTR || 57563ee04c8SGilad Ben-Yossef cipher_mode == DRV_CIPHER_OFB) { 57663ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 57763ee04c8SGilad Ben-Yossef } else { 57863ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0); 57963ee04c8SGilad Ben-Yossef } 58063ee04c8SGilad Ben-Yossef (*seq_size)++; 581dd8486c7SGilad Ben-Yossef break; 582dd8486c7SGilad Ben-Yossef case DRV_CIPHER_XTS: 583dd8486c7SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 584dd8486c7SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 585dd8486c7SGilad Ben-Yossef /* load XEX key */ 586dd8486c7SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 587dd8486c7SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 588dd8486c7SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 58952f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 590dd8486c7SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 591dd8486c7SGilad Ben-Yossef ctx_p->hw.key2_slot); 592dd8486c7SGilad Ben-Yossef } else { 593dd8486c7SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 594dd8486c7SGilad Ben-Yossef (key_dma_addr + (key_len / 2)), 595dd8486c7SGilad Ben-Yossef (key_len / 2), NS_BIT); 596dd8486c7SGilad Ben-Yossef } 597dd8486c7SGilad Ben-Yossef set_xex_data_unit_size(&desc[*seq_size], du_size); 598dd8486c7SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], S_DIN_to_AES2); 599dd8486c7SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 600dd8486c7SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_XEX_KEY); 601dd8486c7SGilad Ben-Yossef (*seq_size)++; 602dd8486c7SGilad Ben-Yossef 603dd8486c7SGilad Ben-Yossef /* Load IV */ 604dd8486c7SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 605dd8486c7SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 606dd8486c7SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 607dd8486c7SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 608dd8486c7SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 609dd8486c7SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 610dd8486c7SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, 611dd8486c7SGilad Ben-Yossef CC_AES_BLOCK_SIZE, NS_BIT); 612dd8486c7SGilad Ben-Yossef (*seq_size)++; 613dd8486c7SGilad Ben-Yossef break; 614dd8486c7SGilad Ben-Yossef default: 615dd8486c7SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 616dd8486c7SGilad Ben-Yossef } 617dd8486c7SGilad Ben-Yossef } 618dd8486c7SGilad Ben-Yossef 619533edf9fSGilad Ben-Yossef static int cc_out_flow_mode(struct cc_cipher_ctx *ctx_p) 620533edf9fSGilad Ben-Yossef { 621533edf9fSGilad Ben-Yossef switch (ctx_p->flow_mode) { 622533edf9fSGilad Ben-Yossef case S_DIN_to_AES: 623533edf9fSGilad Ben-Yossef return DIN_AES_DOUT; 624533edf9fSGilad Ben-Yossef case S_DIN_to_DES: 625533edf9fSGilad Ben-Yossef return DIN_DES_DOUT; 626533edf9fSGilad Ben-Yossef case S_DIN_to_SM4: 627533edf9fSGilad Ben-Yossef return DIN_SM4_DOUT; 628533edf9fSGilad Ben-Yossef default: 629533edf9fSGilad Ben-Yossef return ctx_p->flow_mode; 630533edf9fSGilad Ben-Yossef } 631533edf9fSGilad Ben-Yossef } 632dd8486c7SGilad Ben-Yossef 633dd8486c7SGilad Ben-Yossef static void cc_setup_key_desc(struct crypto_tfm *tfm, 634dd8486c7SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 635dd8486c7SGilad Ben-Yossef unsigned int nbytes, struct cc_hw_desc desc[], 636dd8486c7SGilad Ben-Yossef unsigned int *seq_size) 637dd8486c7SGilad Ben-Yossef { 638dd8486c7SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 639dd8486c7SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 640dd8486c7SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 641dd8486c7SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 642dd8486c7SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 643dd8486c7SGilad Ben-Yossef dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 644dd8486c7SGilad Ben-Yossef unsigned int key_len = ctx_p->keylen; 645dd8486c7SGilad Ben-Yossef unsigned int du_size = nbytes; 64652f42c65SGilad Ben-Yossef unsigned int din_size; 647dd8486c7SGilad Ben-Yossef 648dd8486c7SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 649dd8486c7SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 650dd8486c7SGilad Ben-Yossef skcipher_alg.base); 651dd8486c7SGilad Ben-Yossef 652dd8486c7SGilad Ben-Yossef if (cc_alg->data_unit) 653dd8486c7SGilad Ben-Yossef du_size = cc_alg->data_unit; 654dd8486c7SGilad Ben-Yossef 655dd8486c7SGilad Ben-Yossef switch (cipher_mode) { 656dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CBC: 657dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 658dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CTR: 659dd8486c7SGilad Ben-Yossef case DRV_CIPHER_OFB: 66063ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 66163ee04c8SGilad Ben-Yossef /* Load key */ 66263ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 66363ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 66463ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 665533edf9fSGilad Ben-Yossef 666533edf9fSGilad Ben-Yossef if (cc_key_type(tfm) == CC_POLICY_PROTECTED_KEY) { 667533edf9fSGilad Ben-Yossef /* We use the AES key size coding for all CPP algs */ 668533edf9fSGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 669533edf9fSGilad Ben-Yossef set_cpp_crypto_key(&desc[*seq_size], ctx_p->cpp.slot); 670533edf9fSGilad Ben-Yossef flow_mode = cc_out_flow_mode(ctx_p); 671533edf9fSGilad Ben-Yossef } else { 67263ee04c8SGilad Ben-Yossef if (flow_mode == S_DIN_to_AES) { 67352f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 67463ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 67563ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 67663ee04c8SGilad Ben-Yossef } else { 67752f42c65SGilad Ben-Yossef /* CC_POLICY_UNPROTECTED_KEY 67852f42c65SGilad Ben-Yossef * Invalid keys are filtered out in 67952f42c65SGilad Ben-Yossef * sethkey() 68052f42c65SGilad Ben-Yossef */ 68152f42c65SGilad Ben-Yossef din_size = (key_len == 24) ? 68252f42c65SGilad Ben-Yossef AES_MAX_KEY_SIZE : key_len; 68352f42c65SGilad Ben-Yossef 68463ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 68552f42c65SGilad Ben-Yossef key_dma_addr, din_size, 68652f42c65SGilad Ben-Yossef NS_BIT); 68763ee04c8SGilad Ben-Yossef } 68863ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 68963ee04c8SGilad Ben-Yossef } else { 69063ee04c8SGilad Ben-Yossef /*des*/ 69152f42c65SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 69252f42c65SGilad Ben-Yossef key_dma_addr, key_len, NS_BIT); 69363ee04c8SGilad Ben-Yossef set_key_size_des(&desc[*seq_size], key_len); 69463ee04c8SGilad Ben-Yossef } 69563ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 69652f42c65SGilad Ben-Yossef } 697533edf9fSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 69863ee04c8SGilad Ben-Yossef (*seq_size)++; 69963ee04c8SGilad Ben-Yossef break; 70063ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 70163ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 70263ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 70363ee04c8SGilad Ben-Yossef /* Load AES key */ 70463ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 70563ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 70663ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 70752f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 70863ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 70963ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 71063ee04c8SGilad Ben-Yossef } else { 71163ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 71263ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 71363ee04c8SGilad Ben-Yossef } 71463ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 71563ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 71663ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 71763ee04c8SGilad Ben-Yossef (*seq_size)++; 71863ee04c8SGilad Ben-Yossef break; 71963ee04c8SGilad Ben-Yossef default: 72063ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 72163ee04c8SGilad Ben-Yossef } 72263ee04c8SGilad Ben-Yossef } 72363ee04c8SGilad Ben-Yossef 7244b1d7debSGilad Ben-Yossef static void cc_setup_mlli_desc(struct crypto_tfm *tfm, 72563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 7264b1d7debSGilad Ben-Yossef struct scatterlist *dst, struct scatterlist *src, 7274b1d7debSGilad Ben-Yossef unsigned int nbytes, void *areq, 7284b1d7debSGilad Ben-Yossef struct cc_hw_desc desc[], unsigned int *seq_size) 7294b1d7debSGilad Ben-Yossef { 7304b1d7debSGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 7314b1d7debSGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 7324b1d7debSGilad Ben-Yossef 7334b1d7debSGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) { 7344b1d7debSGilad Ben-Yossef /* bypass */ 7354b1d7debSGilad Ben-Yossef dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n", 7364b1d7debSGilad Ben-Yossef &req_ctx->mlli_params.mlli_dma_addr, 7374b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len, 7384b1d7debSGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 7394b1d7debSGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 7404b1d7debSGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 7414b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_dma_addr, 7424b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len, NS_BIT); 7434b1d7debSGilad Ben-Yossef set_dout_sram(&desc[*seq_size], 7444b1d7debSGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 7454b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len); 7464b1d7debSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], BYPASS); 7474b1d7debSGilad Ben-Yossef (*seq_size)++; 7484b1d7debSGilad Ben-Yossef } 7494b1d7debSGilad Ben-Yossef } 7504b1d7debSGilad Ben-Yossef 7514b1d7debSGilad Ben-Yossef static void cc_setup_flow_desc(struct crypto_tfm *tfm, 7524b1d7debSGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 7534b1d7debSGilad Ben-Yossef struct scatterlist *dst, struct scatterlist *src, 7546f17e00fSGilad Ben-Yossef unsigned int nbytes, struct cc_hw_desc desc[], 7556f17e00fSGilad Ben-Yossef unsigned int *seq_size) 75663ee04c8SGilad Ben-Yossef { 75763ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 75863ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 759533edf9fSGilad Ben-Yossef unsigned int flow_mode = cc_out_flow_mode(ctx_p); 7606f17e00fSGilad Ben-Yossef bool last_desc = (ctx_p->key_type == CC_POLICY_PROTECTED_KEY || 7616f17e00fSGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ECB); 76263ee04c8SGilad Ben-Yossef 76363ee04c8SGilad Ben-Yossef /* Process */ 76463ee04c8SGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) { 76563ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 76663ee04c8SGilad Ben-Yossef &sg_dma_address(src), nbytes); 76763ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 76863ee04c8SGilad Ben-Yossef &sg_dma_address(dst), nbytes); 76963ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 77063ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), 77163ee04c8SGilad Ben-Yossef nbytes, NS_BIT); 77263ee04c8SGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], sg_dma_address(dst), 7736f17e00fSGilad Ben-Yossef nbytes, NS_BIT, (!last_desc ? 0 : 1)); 7746f17e00fSGilad Ben-Yossef if (last_desc) 77527b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 77663ee04c8SGilad Ben-Yossef 77763ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 77863ee04c8SGilad Ben-Yossef (*seq_size)++; 77963ee04c8SGilad Ben-Yossef } else { 78063ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 78163ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_MLLI, 78263ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 78363ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT); 78463ee04c8SGilad Ben-Yossef if (req_ctx->out_nents == 0) { 78563ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 78663ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 78763ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 78863ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 78963ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 79063ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT, 7916f17e00fSGilad Ben-Yossef (!last_desc ? 0 : 1)); 79263ee04c8SGilad Ben-Yossef } else { 79363ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 79463ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 79563ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr + 79663ee04c8SGilad Ben-Yossef (u32)LLI_ENTRY_BYTE_SIZE * req_ctx->in_nents); 79763ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 79863ee04c8SGilad Ben-Yossef (ctx_p->drvdata->mlli_sram_addr + 79963ee04c8SGilad Ben-Yossef (LLI_ENTRY_BYTE_SIZE * 80063ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents)), 80163ee04c8SGilad Ben-Yossef req_ctx->out_mlli_nents, NS_BIT, 8026f17e00fSGilad Ben-Yossef (!last_desc ? 0 : 1)); 80363ee04c8SGilad Ben-Yossef } 8046f17e00fSGilad Ben-Yossef if (last_desc) 80527b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 80663ee04c8SGilad Ben-Yossef 80763ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 80863ee04c8SGilad Ben-Yossef (*seq_size)++; 80963ee04c8SGilad Ben-Yossef } 81063ee04c8SGilad Ben-Yossef } 81163ee04c8SGilad Ben-Yossef 81263ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err) 81363ee04c8SGilad Ben-Yossef { 81463ee04c8SGilad Ben-Yossef struct skcipher_request *req = (struct skcipher_request *)cc_req; 81563ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 81663ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 81763ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 81800904aa0SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 81900904aa0SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 82063ee04c8SGilad Ben-Yossef 821a108f931SGilad Ben-Yossef if (err != -EINPROGRESS) { 822a108f931SGilad Ben-Yossef /* Not a BACKLOG notification */ 823c139c72eSGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 8246f17e00fSGilad Ben-Yossef memcpy(req->iv, req_ctx->iv, ivsize); 82500904aa0SGilad Ben-Yossef kzfree(req_ctx->iv); 826a108f931SGilad Ben-Yossef } 827a108f931SGilad Ben-Yossef 82863ee04c8SGilad Ben-Yossef skcipher_request_complete(req, err); 82963ee04c8SGilad Ben-Yossef } 83063ee04c8SGilad Ben-Yossef 83163ee04c8SGilad Ben-Yossef static int cc_cipher_process(struct skcipher_request *req, 83263ee04c8SGilad Ben-Yossef enum drv_crypto_direction direction) 83363ee04c8SGilad Ben-Yossef { 83463ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 83563ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 83663ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 83763ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 83863ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 83963ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 84063ee04c8SGilad Ben-Yossef unsigned int nbytes = req->cryptlen; 84163ee04c8SGilad Ben-Yossef void *iv = req->iv; 84263ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 84363ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 84463ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[MAX_ABLKCIPHER_SEQ_LEN]; 84563ee04c8SGilad Ben-Yossef struct cc_crypto_req cc_req = {}; 84684f366daSGilad Ben-Yossef int rc; 84763ee04c8SGilad Ben-Yossef unsigned int seq_len = 0; 84863ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 84963ee04c8SGilad Ben-Yossef 85063ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s req=%p iv=%p nbytes=%d\n", 85163ee04c8SGilad Ben-Yossef ((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ? 85263ee04c8SGilad Ben-Yossef "Encrypt" : "Decrypt"), req, iv, nbytes); 85363ee04c8SGilad Ben-Yossef 85463ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 85563ee04c8SGilad Ben-Yossef 85663ee04c8SGilad Ben-Yossef /* TODO: check data length according to mode */ 85763ee04c8SGilad Ben-Yossef if (validate_data_size(ctx_p, nbytes)) { 85863ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported data size %d.\n", nbytes); 85963ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_BLOCK_LEN); 86063ee04c8SGilad Ben-Yossef rc = -EINVAL; 86163ee04c8SGilad Ben-Yossef goto exit_process; 86263ee04c8SGilad Ben-Yossef } 86363ee04c8SGilad Ben-Yossef if (nbytes == 0) { 86463ee04c8SGilad Ben-Yossef /* No data to process is valid */ 86563ee04c8SGilad Ben-Yossef rc = 0; 86663ee04c8SGilad Ben-Yossef goto exit_process; 86763ee04c8SGilad Ben-Yossef } 86863ee04c8SGilad Ben-Yossef 86963ee04c8SGilad Ben-Yossef /* The IV we are handed may be allocted from the stack so 87063ee04c8SGilad Ben-Yossef * we must copy it to a DMAable buffer before use. 87163ee04c8SGilad Ben-Yossef */ 87201745706SFengguang Wu req_ctx->iv = kmemdup(iv, ivsize, flags); 87363ee04c8SGilad Ben-Yossef if (!req_ctx->iv) { 87463ee04c8SGilad Ben-Yossef rc = -ENOMEM; 87563ee04c8SGilad Ben-Yossef goto exit_process; 87663ee04c8SGilad Ben-Yossef } 87763ee04c8SGilad Ben-Yossef 87863ee04c8SGilad Ben-Yossef /* Setup request structure */ 87963ee04c8SGilad Ben-Yossef cc_req.user_cb = (void *)cc_cipher_complete; 88063ee04c8SGilad Ben-Yossef cc_req.user_arg = (void *)req; 88163ee04c8SGilad Ben-Yossef 88252f42c65SGilad Ben-Yossef /* Setup CPP operation details */ 88352f42c65SGilad Ben-Yossef if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY) { 88452f42c65SGilad Ben-Yossef cc_req.cpp.is_cpp = true; 88552f42c65SGilad Ben-Yossef cc_req.cpp.alg = ctx_p->cpp.alg; 88652f42c65SGilad Ben-Yossef cc_req.cpp.slot = ctx_p->cpp.slot; 88752f42c65SGilad Ben-Yossef } 88852f42c65SGilad Ben-Yossef 88963ee04c8SGilad Ben-Yossef /* Setup request context */ 89063ee04c8SGilad Ben-Yossef req_ctx->gen_ctx.op_type = direction; 89163ee04c8SGilad Ben-Yossef 89263ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Map buffers */ 89363ee04c8SGilad Ben-Yossef 89463ee04c8SGilad Ben-Yossef rc = cc_map_cipher_request(ctx_p->drvdata, req_ctx, ivsize, nbytes, 89563ee04c8SGilad Ben-Yossef req_ctx->iv, src, dst, flags); 89663ee04c8SGilad Ben-Yossef if (rc) { 89763ee04c8SGilad Ben-Yossef dev_err(dev, "map_request() failed\n"); 89863ee04c8SGilad Ben-Yossef goto exit_process; 89963ee04c8SGilad Ben-Yossef } 90063ee04c8SGilad Ben-Yossef 90163ee04c8SGilad Ben-Yossef /* STAT_PHASE_2: Create sequence */ 90263ee04c8SGilad Ben-Yossef 903dd8486c7SGilad Ben-Yossef /* Setup IV and XEX key used */ 904dd8486c7SGilad Ben-Yossef cc_setup_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); 9054b1d7debSGilad Ben-Yossef /* Setup MLLI line, if needed */ 9064b1d7debSGilad Ben-Yossef cc_setup_mlli_desc(tfm, req_ctx, dst, src, nbytes, req, desc, &seq_len); 907dd8486c7SGilad Ben-Yossef /* Setup key */ 908dd8486c7SGilad Ben-Yossef cc_setup_key_desc(tfm, req_ctx, nbytes, desc, &seq_len); 90963ee04c8SGilad Ben-Yossef /* Data processing */ 9106f17e00fSGilad Ben-Yossef cc_setup_flow_desc(tfm, req_ctx, dst, src, nbytes, desc, &seq_len); 9116f17e00fSGilad Ben-Yossef /* Read next IV */ 9126f17e00fSGilad Ben-Yossef cc_setup_readiv_desc(tfm, req_ctx, ivsize, desc, &seq_len); 91363ee04c8SGilad Ben-Yossef 91463ee04c8SGilad Ben-Yossef /* STAT_PHASE_3: Lock HW and push sequence */ 91563ee04c8SGilad Ben-Yossef 91663ee04c8SGilad Ben-Yossef rc = cc_send_request(ctx_p->drvdata, &cc_req, desc, seq_len, 91763ee04c8SGilad Ben-Yossef &req->base); 91863ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 91963ee04c8SGilad Ben-Yossef /* Failed to send the request or request completed 92063ee04c8SGilad Ben-Yossef * synchronously 92163ee04c8SGilad Ben-Yossef */ 92263ee04c8SGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 92363ee04c8SGilad Ben-Yossef } 92463ee04c8SGilad Ben-Yossef 92563ee04c8SGilad Ben-Yossef exit_process: 92663ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 92763ee04c8SGilad Ben-Yossef kzfree(req_ctx->iv); 92863ee04c8SGilad Ben-Yossef } 92963ee04c8SGilad Ben-Yossef 93063ee04c8SGilad Ben-Yossef return rc; 93163ee04c8SGilad Ben-Yossef } 93263ee04c8SGilad Ben-Yossef 93363ee04c8SGilad Ben-Yossef static int cc_cipher_encrypt(struct skcipher_request *req) 93463ee04c8SGilad Ben-Yossef { 93563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 93663ee04c8SGilad Ben-Yossef 937e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 93863ee04c8SGilad Ben-Yossef 93963ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_ENCRYPT); 94063ee04c8SGilad Ben-Yossef } 94163ee04c8SGilad Ben-Yossef 94263ee04c8SGilad Ben-Yossef static int cc_cipher_decrypt(struct skcipher_request *req) 94363ee04c8SGilad Ben-Yossef { 94463ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 94563ee04c8SGilad Ben-Yossef 946e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 947e30368f3SGilad Ben-Yossef 94863ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT); 94963ee04c8SGilad Ben-Yossef } 95063ee04c8SGilad Ben-Yossef 95163ee04c8SGilad Ben-Yossef /* Block cipher alg */ 95263ee04c8SGilad Ben-Yossef static const struct cc_alg_template skcipher_algs[] = { 95363ee04c8SGilad Ben-Yossef { 954a794d8d8SGilad Ben-Yossef .name = "xts(paes)", 955a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-ccree", 956a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 957a794d8d8SGilad Ben-Yossef .template_skcipher = { 958a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 959a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 960a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 961a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 962a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 963a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 964a794d8d8SGilad Ben-Yossef }, 965a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 966a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 967a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 9681c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 969f98f6e21SGilad Ben-Yossef .sec_func = true, 970a794d8d8SGilad Ben-Yossef }, 971a794d8d8SGilad Ben-Yossef { 972a794d8d8SGilad Ben-Yossef .name = "xts512(paes)", 973a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du512-ccree", 974a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 975a794d8d8SGilad Ben-Yossef .template_skcipher = { 976a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 977a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 978a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 979a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 980a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 981a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 982a794d8d8SGilad Ben-Yossef }, 983a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 984a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 985a794d8d8SGilad Ben-Yossef .data_unit = 512, 986a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 9871c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 988f98f6e21SGilad Ben-Yossef .sec_func = true, 989a794d8d8SGilad Ben-Yossef }, 990a794d8d8SGilad Ben-Yossef { 991a794d8d8SGilad Ben-Yossef .name = "xts4096(paes)", 992a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du4096-ccree", 993a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 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 = 4096, 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 = "essiv(paes)", 1011a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-ccree", 1012a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 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_ESSIV, 1022a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1023a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10241c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1025f98f6e21SGilad Ben-Yossef .sec_func = true, 1026a794d8d8SGilad Ben-Yossef }, 1027a794d8d8SGilad Ben-Yossef { 1028a794d8d8SGilad Ben-Yossef .name = "essiv512(paes)", 1029a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du512-ccree", 1030a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1031a794d8d8SGilad Ben-Yossef .template_skcipher = { 1032a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1033a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1034a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1035a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1036a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1037a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1038a794d8d8SGilad Ben-Yossef }, 1039a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 1040a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1041a794d8d8SGilad Ben-Yossef .data_unit = 512, 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 = "essiv4096(paes)", 1048a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du4096-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 = 4096, 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 = "bitlocker(paes)", 1067a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-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_BITLOCKER, 1078a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1079a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10801c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1081f98f6e21SGilad Ben-Yossef .sec_func = true, 1082a794d8d8SGilad Ben-Yossef }, 1083a794d8d8SGilad Ben-Yossef { 1084a794d8d8SGilad Ben-Yossef .name = "bitlocker512(paes)", 1085a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du512-ccree", 1086a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1087a794d8d8SGilad Ben-Yossef .template_skcipher = { 1088a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1089a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1090a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1091a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1092a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1093a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1094a794d8d8SGilad Ben-Yossef }, 1095a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 1096a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1097a794d8d8SGilad Ben-Yossef .data_unit = 512, 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 = "bitlocker4096(paes)", 1104a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du4096-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 = 4096, 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 = "ecb(paes)", 1123a794d8d8SGilad Ben-Yossef .driver_name = "ecb-paes-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 = 0, 1132a794d8d8SGilad Ben-Yossef }, 1133a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 1134a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1135a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11361c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1137f98f6e21SGilad Ben-Yossef .sec_func = true, 1138a794d8d8SGilad Ben-Yossef }, 1139a794d8d8SGilad Ben-Yossef { 1140a794d8d8SGilad Ben-Yossef .name = "cbc(paes)", 1141a794d8d8SGilad Ben-Yossef .driver_name = "cbc-paes-ccree", 1142a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1143a794d8d8SGilad Ben-Yossef .template_skcipher = { 1144a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1145a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1146a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1147a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1148a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1149a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1150a794d8d8SGilad Ben-Yossef }, 1151a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 1152a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1153a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11541c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1155f98f6e21SGilad Ben-Yossef .sec_func = true, 1156a794d8d8SGilad Ben-Yossef }, 1157a794d8d8SGilad Ben-Yossef { 1158a794d8d8SGilad Ben-Yossef .name = "ofb(paes)", 1159a794d8d8SGilad Ben-Yossef .driver_name = "ofb-paes-ccree", 1160a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1161a794d8d8SGilad Ben-Yossef .template_skcipher = { 1162a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1163a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1164a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1165a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1166a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1167a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1168a794d8d8SGilad Ben-Yossef }, 1169a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 1170a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1171a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11721c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1173f98f6e21SGilad Ben-Yossef .sec_func = true, 1174a794d8d8SGilad Ben-Yossef }, 1175a794d8d8SGilad Ben-Yossef { 117684f366daSGilad Ben-Yossef .name = "cts(cbc(paes))", 117784f366daSGilad Ben-Yossef .driver_name = "cts-cbc-paes-ccree", 1178a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1179a794d8d8SGilad Ben-Yossef .template_skcipher = { 1180a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1181a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1182a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1183a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1184a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1185a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1186a794d8d8SGilad Ben-Yossef }, 1187a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 1188a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1189a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11901c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1191f98f6e21SGilad Ben-Yossef .sec_func = true, 1192a794d8d8SGilad Ben-Yossef }, 1193a794d8d8SGilad Ben-Yossef { 1194a794d8d8SGilad Ben-Yossef .name = "ctr(paes)", 1195a794d8d8SGilad Ben-Yossef .driver_name = "ctr-paes-ccree", 1196a794d8d8SGilad Ben-Yossef .blocksize = 1, 1197a794d8d8SGilad Ben-Yossef .template_skcipher = { 1198a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1199a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1200a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1201a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1202a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1203a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1204a794d8d8SGilad Ben-Yossef }, 1205a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1206a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1207a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12081c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1209f98f6e21SGilad Ben-Yossef .sec_func = true, 1210a794d8d8SGilad Ben-Yossef }, 1211a794d8d8SGilad Ben-Yossef { 121263ee04c8SGilad Ben-Yossef .name = "xts(aes)", 121363ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-ccree", 121463ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 121563ee04c8SGilad Ben-Yossef .template_skcipher = { 121663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 121763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 121863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 121963ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 122063ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 122163ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 122263ee04c8SGilad Ben-Yossef }, 122363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 122463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 122527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 12261c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 122763ee04c8SGilad Ben-Yossef }, 122863ee04c8SGilad Ben-Yossef { 122963ee04c8SGilad Ben-Yossef .name = "xts512(aes)", 123063ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du512-ccree", 123163ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 123263ee04c8SGilad Ben-Yossef .template_skcipher = { 123363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 123463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 123563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 123663ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 123763ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 123863ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 123963ee04c8SGilad Ben-Yossef }, 124063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 124163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 124263ee04c8SGilad Ben-Yossef .data_unit = 512, 124327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12441c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 124563ee04c8SGilad Ben-Yossef }, 124663ee04c8SGilad Ben-Yossef { 124763ee04c8SGilad Ben-Yossef .name = "xts4096(aes)", 124863ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du4096-ccree", 124963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 125063ee04c8SGilad Ben-Yossef .template_skcipher = { 125163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 125263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 125363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 125463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 125563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 125663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 125763ee04c8SGilad Ben-Yossef }, 125863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 125963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 126063ee04c8SGilad Ben-Yossef .data_unit = 4096, 126127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12621c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 126363ee04c8SGilad Ben-Yossef }, 126463ee04c8SGilad Ben-Yossef { 126563ee04c8SGilad Ben-Yossef .name = "essiv(aes)", 126663ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-ccree", 126763ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 126863ee04c8SGilad Ben-Yossef .template_skcipher = { 126963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 127063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 127163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 127263ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 127363ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 127463ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 127563ee04c8SGilad Ben-Yossef }, 127663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 127763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 127827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12791c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 128063ee04c8SGilad Ben-Yossef }, 128163ee04c8SGilad Ben-Yossef { 128263ee04c8SGilad Ben-Yossef .name = "essiv512(aes)", 128363ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du512-ccree", 128463ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 128563ee04c8SGilad Ben-Yossef .template_skcipher = { 128663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 128763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 128863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 128963ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 129063ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 129163ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 129263ee04c8SGilad Ben-Yossef }, 129363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 129463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 129563ee04c8SGilad Ben-Yossef .data_unit = 512, 129627b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12971c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 129863ee04c8SGilad Ben-Yossef }, 129963ee04c8SGilad Ben-Yossef { 130063ee04c8SGilad Ben-Yossef .name = "essiv4096(aes)", 130163ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du4096-ccree", 130263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 130363ee04c8SGilad Ben-Yossef .template_skcipher = { 130463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 130563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 130663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 130763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 130863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 130963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 131063ee04c8SGilad Ben-Yossef }, 131163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 131263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 131363ee04c8SGilad Ben-Yossef .data_unit = 4096, 131427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13151c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 131663ee04c8SGilad Ben-Yossef }, 131763ee04c8SGilad Ben-Yossef { 131863ee04c8SGilad Ben-Yossef .name = "bitlocker(aes)", 131963ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-ccree", 132063ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 132163ee04c8SGilad Ben-Yossef .template_skcipher = { 132263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 132363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 132463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 132563ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 132663ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 132763ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 132863ee04c8SGilad Ben-Yossef }, 132963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 133063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 133127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13321c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 133363ee04c8SGilad Ben-Yossef }, 133463ee04c8SGilad Ben-Yossef { 133563ee04c8SGilad Ben-Yossef .name = "bitlocker512(aes)", 133663ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du512-ccree", 133763ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 133863ee04c8SGilad Ben-Yossef .template_skcipher = { 133963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 134063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 134163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 134263ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 134363ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 134463ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 134563ee04c8SGilad Ben-Yossef }, 134663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 134763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 134863ee04c8SGilad Ben-Yossef .data_unit = 512, 134927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13501c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 135163ee04c8SGilad Ben-Yossef }, 135263ee04c8SGilad Ben-Yossef { 135363ee04c8SGilad Ben-Yossef .name = "bitlocker4096(aes)", 135463ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du4096-ccree", 135563ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 135663ee04c8SGilad Ben-Yossef .template_skcipher = { 135763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 135863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 135963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 136063ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 136163ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 136263ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 136363ee04c8SGilad Ben-Yossef }, 136463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 136563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 136663ee04c8SGilad Ben-Yossef .data_unit = 4096, 136727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13681c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 136963ee04c8SGilad Ben-Yossef }, 137063ee04c8SGilad Ben-Yossef { 137163ee04c8SGilad Ben-Yossef .name = "ecb(aes)", 137263ee04c8SGilad Ben-Yossef .driver_name = "ecb-aes-ccree", 137363ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 137463ee04c8SGilad Ben-Yossef .template_skcipher = { 137563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 137663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 137763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 137863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 137963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 138063ee04c8SGilad Ben-Yossef .ivsize = 0, 138163ee04c8SGilad Ben-Yossef }, 138263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 138363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 138427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 13851c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 138663ee04c8SGilad Ben-Yossef }, 138763ee04c8SGilad Ben-Yossef { 138863ee04c8SGilad Ben-Yossef .name = "cbc(aes)", 138963ee04c8SGilad Ben-Yossef .driver_name = "cbc-aes-ccree", 139063ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 139163ee04c8SGilad Ben-Yossef .template_skcipher = { 139263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 139363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 139463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 139563ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 139663ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 139763ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 139863ee04c8SGilad Ben-Yossef }, 139963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 140063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 140127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14021c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 140363ee04c8SGilad Ben-Yossef }, 140463ee04c8SGilad Ben-Yossef { 140563ee04c8SGilad Ben-Yossef .name = "ofb(aes)", 140663ee04c8SGilad Ben-Yossef .driver_name = "ofb-aes-ccree", 140763ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 140863ee04c8SGilad Ben-Yossef .template_skcipher = { 140963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 141063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 141163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 141263ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 141363ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 141463ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 141563ee04c8SGilad Ben-Yossef }, 141663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 141763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 141827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14191c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 142063ee04c8SGilad Ben-Yossef }, 142163ee04c8SGilad Ben-Yossef { 142284f366daSGilad Ben-Yossef .name = "cts(cbc(aes))", 142384f366daSGilad Ben-Yossef .driver_name = "cts-cbc-aes-ccree", 142463ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 142563ee04c8SGilad Ben-Yossef .template_skcipher = { 142663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 142763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 142863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 142963ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 143063ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 143163ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 143263ee04c8SGilad Ben-Yossef }, 143363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 143463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 143527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14361c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 143763ee04c8SGilad Ben-Yossef }, 143863ee04c8SGilad Ben-Yossef { 143963ee04c8SGilad Ben-Yossef .name = "ctr(aes)", 144063ee04c8SGilad Ben-Yossef .driver_name = "ctr-aes-ccree", 144163ee04c8SGilad Ben-Yossef .blocksize = 1, 144263ee04c8SGilad Ben-Yossef .template_skcipher = { 144363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 144463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 144563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 144663ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 144763ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 144863ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 144963ee04c8SGilad Ben-Yossef }, 145063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 145163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 145227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14531c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 145463ee04c8SGilad Ben-Yossef }, 145563ee04c8SGilad Ben-Yossef { 145663ee04c8SGilad Ben-Yossef .name = "cbc(des3_ede)", 145763ee04c8SGilad Ben-Yossef .driver_name = "cbc-3des-ccree", 145863ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 145963ee04c8SGilad Ben-Yossef .template_skcipher = { 146063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 146163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 146263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 146363ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 146463ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 146563ee04c8SGilad Ben-Yossef .ivsize = DES3_EDE_BLOCK_SIZE, 146663ee04c8SGilad Ben-Yossef }, 146763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 146863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 146927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14701c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 147163ee04c8SGilad Ben-Yossef }, 147263ee04c8SGilad Ben-Yossef { 147363ee04c8SGilad Ben-Yossef .name = "ecb(des3_ede)", 147463ee04c8SGilad Ben-Yossef .driver_name = "ecb-3des-ccree", 147563ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 147663ee04c8SGilad Ben-Yossef .template_skcipher = { 147763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 147863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 147963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 148063ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 148163ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 148263ee04c8SGilad Ben-Yossef .ivsize = 0, 148363ee04c8SGilad Ben-Yossef }, 148463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 148563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 148627b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14871c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 148863ee04c8SGilad Ben-Yossef }, 148963ee04c8SGilad Ben-Yossef { 149063ee04c8SGilad Ben-Yossef .name = "cbc(des)", 149163ee04c8SGilad Ben-Yossef .driver_name = "cbc-des-ccree", 149263ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 149363ee04c8SGilad Ben-Yossef .template_skcipher = { 149463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 149563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 149663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 149763ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 149863ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 149963ee04c8SGilad Ben-Yossef .ivsize = DES_BLOCK_SIZE, 150063ee04c8SGilad Ben-Yossef }, 150163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 150263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 150327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 15041c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 150563ee04c8SGilad Ben-Yossef }, 150663ee04c8SGilad Ben-Yossef { 150763ee04c8SGilad Ben-Yossef .name = "ecb(des)", 150863ee04c8SGilad Ben-Yossef .driver_name = "ecb-des-ccree", 150963ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 151063ee04c8SGilad Ben-Yossef .template_skcipher = { 151163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 151263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 151363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 151463ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 151563ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 151663ee04c8SGilad Ben-Yossef .ivsize = 0, 151763ee04c8SGilad Ben-Yossef }, 151863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 151963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 152027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 15211c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 152263ee04c8SGilad Ben-Yossef }, 15239b8d51f8SGilad Ben-Yossef { 15249b8d51f8SGilad Ben-Yossef .name = "cbc(sm4)", 15259b8d51f8SGilad Ben-Yossef .driver_name = "cbc-sm4-ccree", 15269b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15279b8d51f8SGilad Ben-Yossef .template_skcipher = { 15289b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15299b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15309b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15319b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15329b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15339b8d51f8SGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 15349b8d51f8SGilad Ben-Yossef }, 15359b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 15369b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15379b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15381c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15399b8d51f8SGilad Ben-Yossef }, 15409b8d51f8SGilad Ben-Yossef { 15419b8d51f8SGilad Ben-Yossef .name = "ecb(sm4)", 15429b8d51f8SGilad Ben-Yossef .driver_name = "ecb-sm4-ccree", 15439b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15449b8d51f8SGilad Ben-Yossef .template_skcipher = { 15459b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15469b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15479b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15489b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15499b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15509b8d51f8SGilad Ben-Yossef .ivsize = 0, 15519b8d51f8SGilad Ben-Yossef }, 15529b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 15539b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15549b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15551c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15569b8d51f8SGilad Ben-Yossef }, 15579b8d51f8SGilad Ben-Yossef { 15589b8d51f8SGilad Ben-Yossef .name = "ctr(sm4)", 15599b8d51f8SGilad Ben-Yossef .driver_name = "ctr-sm4-ccree", 15609b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15619b8d51f8SGilad Ben-Yossef .template_skcipher = { 15629b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15639b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15649b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15659b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15669b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15679b8d51f8SGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 15689b8d51f8SGilad Ben-Yossef }, 15699b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 15709b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15719b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15721c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15739b8d51f8SGilad Ben-Yossef }, 1574bee711faSGilad Ben-Yossef { 1575bee711faSGilad Ben-Yossef .name = "cbc(psm4)", 1576bee711faSGilad Ben-Yossef .driver_name = "cbc-psm4-ccree", 1577bee711faSGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 1578bee711faSGilad Ben-Yossef .template_skcipher = { 1579bee711faSGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1580bee711faSGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1581bee711faSGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1582bee711faSGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1583bee711faSGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1584bee711faSGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 1585bee711faSGilad Ben-Yossef }, 1586bee711faSGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 1587bee711faSGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 1588bee711faSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 1589bee711faSGilad Ben-Yossef .std_body = CC_STD_OSCCA, 1590bee711faSGilad Ben-Yossef .sec_func = true, 1591bee711faSGilad Ben-Yossef }, 1592bee711faSGilad Ben-Yossef { 1593bee711faSGilad Ben-Yossef .name = "ctr(psm4)", 1594bee711faSGilad Ben-Yossef .driver_name = "ctr-psm4-ccree", 1595bee711faSGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 1596bee711faSGilad Ben-Yossef .template_skcipher = { 1597bee711faSGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1598bee711faSGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1599bee711faSGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1600bee711faSGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1601bee711faSGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1602bee711faSGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 1603bee711faSGilad Ben-Yossef }, 1604bee711faSGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1605bee711faSGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 1606bee711faSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 1607bee711faSGilad Ben-Yossef .std_body = CC_STD_OSCCA, 1608bee711faSGilad Ben-Yossef .sec_func = true, 1609bee711faSGilad Ben-Yossef }, 161063ee04c8SGilad Ben-Yossef }; 161163ee04c8SGilad Ben-Yossef 161263ee04c8SGilad Ben-Yossef static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl, 161363ee04c8SGilad Ben-Yossef struct device *dev) 161463ee04c8SGilad Ben-Yossef { 161563ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 161663ee04c8SGilad Ben-Yossef struct skcipher_alg *alg; 161763ee04c8SGilad Ben-Yossef 161863ee04c8SGilad Ben-Yossef t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); 161963ee04c8SGilad Ben-Yossef if (!t_alg) 162063ee04c8SGilad Ben-Yossef return ERR_PTR(-ENOMEM); 162163ee04c8SGilad Ben-Yossef 162263ee04c8SGilad Ben-Yossef alg = &t_alg->skcipher_alg; 162363ee04c8SGilad Ben-Yossef 162463ee04c8SGilad Ben-Yossef memcpy(alg, &tmpl->template_skcipher, sizeof(*alg)); 162563ee04c8SGilad Ben-Yossef 162663ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name); 162763ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", 162863ee04c8SGilad Ben-Yossef tmpl->driver_name); 162963ee04c8SGilad Ben-Yossef alg->base.cra_module = THIS_MODULE; 163063ee04c8SGilad Ben-Yossef alg->base.cra_priority = CC_CRA_PRIO; 163163ee04c8SGilad Ben-Yossef alg->base.cra_blocksize = tmpl->blocksize; 163263ee04c8SGilad Ben-Yossef alg->base.cra_alignmask = 0; 163363ee04c8SGilad Ben-Yossef alg->base.cra_ctxsize = sizeof(struct cc_cipher_ctx); 163463ee04c8SGilad Ben-Yossef 163563ee04c8SGilad Ben-Yossef alg->base.cra_init = cc_cipher_init; 163663ee04c8SGilad Ben-Yossef alg->base.cra_exit = cc_cipher_exit; 16372c95e6d9SEric Biggers alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; 163863ee04c8SGilad Ben-Yossef 163963ee04c8SGilad Ben-Yossef t_alg->cipher_mode = tmpl->cipher_mode; 164063ee04c8SGilad Ben-Yossef t_alg->flow_mode = tmpl->flow_mode; 164163ee04c8SGilad Ben-Yossef t_alg->data_unit = tmpl->data_unit; 164263ee04c8SGilad Ben-Yossef 164363ee04c8SGilad Ben-Yossef return t_alg; 164463ee04c8SGilad Ben-Yossef } 164563ee04c8SGilad Ben-Yossef 164663ee04c8SGilad Ben-Yossef int cc_cipher_free(struct cc_drvdata *drvdata) 164763ee04c8SGilad Ben-Yossef { 164863ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg, *n; 164963ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle = drvdata->cipher_handle; 165063ee04c8SGilad Ben-Yossef 165163ee04c8SGilad Ben-Yossef if (cipher_handle) { 165263ee04c8SGilad Ben-Yossef /* Remove registered algs */ 165363ee04c8SGilad Ben-Yossef list_for_each_entry_safe(t_alg, n, &cipher_handle->alg_list, 165463ee04c8SGilad Ben-Yossef entry) { 165563ee04c8SGilad Ben-Yossef crypto_unregister_skcipher(&t_alg->skcipher_alg); 165663ee04c8SGilad Ben-Yossef list_del(&t_alg->entry); 165763ee04c8SGilad Ben-Yossef kfree(t_alg); 165863ee04c8SGilad Ben-Yossef } 165963ee04c8SGilad Ben-Yossef kfree(cipher_handle); 166063ee04c8SGilad Ben-Yossef drvdata->cipher_handle = NULL; 166163ee04c8SGilad Ben-Yossef } 166263ee04c8SGilad Ben-Yossef return 0; 166363ee04c8SGilad Ben-Yossef } 166463ee04c8SGilad Ben-Yossef 166563ee04c8SGilad Ben-Yossef int cc_cipher_alloc(struct cc_drvdata *drvdata) 166663ee04c8SGilad Ben-Yossef { 166763ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle; 166863ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 166963ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(drvdata); 167063ee04c8SGilad Ben-Yossef int rc = -ENOMEM; 167163ee04c8SGilad Ben-Yossef int alg; 167263ee04c8SGilad Ben-Yossef 167363ee04c8SGilad Ben-Yossef cipher_handle = kmalloc(sizeof(*cipher_handle), GFP_KERNEL); 167463ee04c8SGilad Ben-Yossef if (!cipher_handle) 167563ee04c8SGilad Ben-Yossef return -ENOMEM; 167663ee04c8SGilad Ben-Yossef 167763ee04c8SGilad Ben-Yossef INIT_LIST_HEAD(&cipher_handle->alg_list); 167863ee04c8SGilad Ben-Yossef drvdata->cipher_handle = cipher_handle; 167963ee04c8SGilad Ben-Yossef 168063ee04c8SGilad Ben-Yossef /* Linux crypto */ 168163ee04c8SGilad Ben-Yossef dev_dbg(dev, "Number of algorithms = %zu\n", 168263ee04c8SGilad Ben-Yossef ARRAY_SIZE(skcipher_algs)); 168363ee04c8SGilad Ben-Yossef for (alg = 0; alg < ARRAY_SIZE(skcipher_algs); alg++) { 16841c876a90SGilad Ben-Yossef if ((skcipher_algs[alg].min_hw_rev > drvdata->hw_rev) || 1685f98f6e21SGilad Ben-Yossef !(drvdata->std_bodies & skcipher_algs[alg].std_body) || 1686f98f6e21SGilad Ben-Yossef (drvdata->sec_disabled && skcipher_algs[alg].sec_func)) 168727b3b22dSGilad Ben-Yossef continue; 168827b3b22dSGilad Ben-Yossef 168963ee04c8SGilad Ben-Yossef dev_dbg(dev, "creating %s\n", skcipher_algs[alg].driver_name); 169063ee04c8SGilad Ben-Yossef t_alg = cc_create_alg(&skcipher_algs[alg], dev); 169163ee04c8SGilad Ben-Yossef if (IS_ERR(t_alg)) { 169263ee04c8SGilad Ben-Yossef rc = PTR_ERR(t_alg); 169363ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg allocation failed\n", 169463ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 169563ee04c8SGilad Ben-Yossef goto fail0; 169663ee04c8SGilad Ben-Yossef } 169763ee04c8SGilad Ben-Yossef t_alg->drvdata = drvdata; 169863ee04c8SGilad Ben-Yossef 169963ee04c8SGilad Ben-Yossef dev_dbg(dev, "registering %s\n", 170063ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 170163ee04c8SGilad Ben-Yossef rc = crypto_register_skcipher(&t_alg->skcipher_alg); 170263ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s alg registration rc = %x\n", 170363ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name, rc); 170463ee04c8SGilad Ben-Yossef if (rc) { 170563ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg registration failed\n", 170663ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 170763ee04c8SGilad Ben-Yossef kfree(t_alg); 170863ee04c8SGilad Ben-Yossef goto fail0; 170963ee04c8SGilad Ben-Yossef } else { 171063ee04c8SGilad Ben-Yossef list_add_tail(&t_alg->entry, 171163ee04c8SGilad Ben-Yossef &cipher_handle->alg_list); 171263ee04c8SGilad Ben-Yossef dev_dbg(dev, "Registered %s\n", 171363ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 171463ee04c8SGilad Ben-Yossef } 171563ee04c8SGilad Ben-Yossef } 171663ee04c8SGilad Ben-Yossef return 0; 171763ee04c8SGilad Ben-Yossef 171863ee04c8SGilad Ben-Yossef fail0: 171963ee04c8SGilad Ben-Yossef cc_cipher_free(drvdata); 172063ee04c8SGilad Ben-Yossef return rc; 172163ee04c8SGilad Ben-Yossef } 1722