163ee04c8SGilad Ben-Yossef // SPDX-License-Identifier: GPL-2.0 263ee04c8SGilad Ben-Yossef /* Copyright (C) 2012-2018 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 467dd8486c7SGilad Ben-Yossef static void cc_setup_state_desc(struct crypto_tfm *tfm, 46863ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 46963ee04c8SGilad Ben-Yossef unsigned int ivsize, unsigned int nbytes, 47063ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[], 47163ee04c8SGilad Ben-Yossef unsigned int *seq_size) 47263ee04c8SGilad Ben-Yossef { 47363ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 47463ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 47563ee04c8SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 47663ee04c8SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 47763ee04c8SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 47863ee04c8SGilad Ben-Yossef dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 47963ee04c8SGilad Ben-Yossef unsigned int key_len = ctx_p->keylen; 48063ee04c8SGilad Ben-Yossef dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 48163ee04c8SGilad Ben-Yossef unsigned int du_size = nbytes; 48263ee04c8SGilad Ben-Yossef 48363ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 48463ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 48563ee04c8SGilad Ben-Yossef skcipher_alg.base); 48663ee04c8SGilad Ben-Yossef 48763ee04c8SGilad Ben-Yossef if (cc_alg->data_unit) 48863ee04c8SGilad Ben-Yossef du_size = cc_alg->data_unit; 48963ee04c8SGilad Ben-Yossef 49063ee04c8SGilad Ben-Yossef switch (cipher_mode) { 491dd8486c7SGilad Ben-Yossef case DRV_CIPHER_ECB: 492dd8486c7SGilad Ben-Yossef break; 49363ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 49463ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 49563ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 49663ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 497dd8486c7SGilad Ben-Yossef /* Load IV */ 49863ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 49963ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, ivsize, 50063ee04c8SGilad Ben-Yossef NS_BIT); 50163ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 50263ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 50363ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 50463ee04c8SGilad Ben-Yossef if (cipher_mode == DRV_CIPHER_CTR || 50563ee04c8SGilad Ben-Yossef cipher_mode == DRV_CIPHER_OFB) { 50663ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 50763ee04c8SGilad Ben-Yossef } else { 50863ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0); 50963ee04c8SGilad Ben-Yossef } 51063ee04c8SGilad Ben-Yossef (*seq_size)++; 511dd8486c7SGilad Ben-Yossef break; 512dd8486c7SGilad Ben-Yossef case DRV_CIPHER_XTS: 513dd8486c7SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 514dd8486c7SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 515dd8486c7SGilad Ben-Yossef /* load XEX key */ 516dd8486c7SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 517dd8486c7SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 518dd8486c7SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 51952f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 520dd8486c7SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 521dd8486c7SGilad Ben-Yossef ctx_p->hw.key2_slot); 522dd8486c7SGilad Ben-Yossef } else { 523dd8486c7SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 524dd8486c7SGilad Ben-Yossef (key_dma_addr + (key_len / 2)), 525dd8486c7SGilad Ben-Yossef (key_len / 2), NS_BIT); 526dd8486c7SGilad Ben-Yossef } 527dd8486c7SGilad Ben-Yossef set_xex_data_unit_size(&desc[*seq_size], du_size); 528dd8486c7SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], S_DIN_to_AES2); 529dd8486c7SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 530dd8486c7SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_XEX_KEY); 531dd8486c7SGilad Ben-Yossef (*seq_size)++; 532dd8486c7SGilad Ben-Yossef 533dd8486c7SGilad Ben-Yossef /* Load IV */ 534dd8486c7SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 535dd8486c7SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 536dd8486c7SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 537dd8486c7SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 538dd8486c7SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 539dd8486c7SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 540dd8486c7SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, 541dd8486c7SGilad Ben-Yossef CC_AES_BLOCK_SIZE, NS_BIT); 542dd8486c7SGilad Ben-Yossef (*seq_size)++; 543dd8486c7SGilad Ben-Yossef break; 544dd8486c7SGilad Ben-Yossef default: 545dd8486c7SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 546dd8486c7SGilad Ben-Yossef } 547dd8486c7SGilad Ben-Yossef } 548dd8486c7SGilad Ben-Yossef 549533edf9fSGilad Ben-Yossef static int cc_out_flow_mode(struct cc_cipher_ctx *ctx_p) 550533edf9fSGilad Ben-Yossef { 551533edf9fSGilad Ben-Yossef switch (ctx_p->flow_mode) { 552533edf9fSGilad Ben-Yossef case S_DIN_to_AES: 553533edf9fSGilad Ben-Yossef return DIN_AES_DOUT; 554533edf9fSGilad Ben-Yossef case S_DIN_to_DES: 555533edf9fSGilad Ben-Yossef return DIN_DES_DOUT; 556533edf9fSGilad Ben-Yossef case S_DIN_to_SM4: 557533edf9fSGilad Ben-Yossef return DIN_SM4_DOUT; 558533edf9fSGilad Ben-Yossef default: 559533edf9fSGilad Ben-Yossef return ctx_p->flow_mode; 560533edf9fSGilad Ben-Yossef } 561533edf9fSGilad Ben-Yossef } 562dd8486c7SGilad Ben-Yossef 563dd8486c7SGilad Ben-Yossef static void cc_setup_key_desc(struct crypto_tfm *tfm, 564dd8486c7SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 565dd8486c7SGilad Ben-Yossef unsigned int nbytes, struct cc_hw_desc desc[], 566dd8486c7SGilad Ben-Yossef unsigned int *seq_size) 567dd8486c7SGilad Ben-Yossef { 568dd8486c7SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 569dd8486c7SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 570dd8486c7SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 571dd8486c7SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 572dd8486c7SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 573dd8486c7SGilad Ben-Yossef dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 574dd8486c7SGilad Ben-Yossef unsigned int key_len = ctx_p->keylen; 575dd8486c7SGilad Ben-Yossef unsigned int du_size = nbytes; 57652f42c65SGilad Ben-Yossef unsigned int din_size; 577dd8486c7SGilad Ben-Yossef 578dd8486c7SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 579dd8486c7SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 580dd8486c7SGilad Ben-Yossef skcipher_alg.base); 581dd8486c7SGilad Ben-Yossef 582dd8486c7SGilad Ben-Yossef if (cc_alg->data_unit) 583dd8486c7SGilad Ben-Yossef du_size = cc_alg->data_unit; 584dd8486c7SGilad Ben-Yossef 585dd8486c7SGilad Ben-Yossef switch (cipher_mode) { 586dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CBC: 587dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 588dd8486c7SGilad Ben-Yossef case DRV_CIPHER_CTR: 589dd8486c7SGilad Ben-Yossef case DRV_CIPHER_OFB: 59063ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 59163ee04c8SGilad Ben-Yossef /* Load key */ 59263ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 59363ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 59463ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 595533edf9fSGilad Ben-Yossef 596533edf9fSGilad Ben-Yossef if (cc_key_type(tfm) == CC_POLICY_PROTECTED_KEY) { 597533edf9fSGilad Ben-Yossef /* We use the AES key size coding for all CPP algs */ 598533edf9fSGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 599533edf9fSGilad Ben-Yossef set_cpp_crypto_key(&desc[*seq_size], ctx_p->cpp.slot); 600533edf9fSGilad Ben-Yossef flow_mode = cc_out_flow_mode(ctx_p); 601533edf9fSGilad Ben-Yossef } else { 60263ee04c8SGilad Ben-Yossef if (flow_mode == S_DIN_to_AES) { 60352f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 60463ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 60563ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 60663ee04c8SGilad Ben-Yossef } else { 60752f42c65SGilad Ben-Yossef /* CC_POLICY_UNPROTECTED_KEY 60852f42c65SGilad Ben-Yossef * Invalid keys are filtered out in 60952f42c65SGilad Ben-Yossef * sethkey() 61052f42c65SGilad Ben-Yossef */ 61152f42c65SGilad Ben-Yossef din_size = (key_len == 24) ? 61252f42c65SGilad Ben-Yossef AES_MAX_KEY_SIZE : key_len; 61352f42c65SGilad Ben-Yossef 61463ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 61552f42c65SGilad Ben-Yossef key_dma_addr, din_size, 61652f42c65SGilad Ben-Yossef NS_BIT); 61763ee04c8SGilad Ben-Yossef } 61863ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 61963ee04c8SGilad Ben-Yossef } else { 62063ee04c8SGilad Ben-Yossef /*des*/ 62152f42c65SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 62252f42c65SGilad Ben-Yossef key_dma_addr, key_len, NS_BIT); 62363ee04c8SGilad Ben-Yossef set_key_size_des(&desc[*seq_size], key_len); 62463ee04c8SGilad Ben-Yossef } 62563ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 62652f42c65SGilad Ben-Yossef } 627533edf9fSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 62863ee04c8SGilad Ben-Yossef (*seq_size)++; 62963ee04c8SGilad Ben-Yossef break; 63063ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 63163ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 63263ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 63363ee04c8SGilad Ben-Yossef /* Load AES key */ 63463ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 63563ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 63663ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 63752f42c65SGilad Ben-Yossef if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) { 63863ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 63963ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 64063ee04c8SGilad Ben-Yossef } else { 64163ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 64263ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 64363ee04c8SGilad Ben-Yossef } 64463ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 64563ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 64663ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 64763ee04c8SGilad Ben-Yossef (*seq_size)++; 64863ee04c8SGilad Ben-Yossef break; 64963ee04c8SGilad Ben-Yossef default: 65063ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 65163ee04c8SGilad Ben-Yossef } 65263ee04c8SGilad Ben-Yossef } 65363ee04c8SGilad Ben-Yossef 6544b1d7debSGilad Ben-Yossef static void cc_setup_mlli_desc(struct crypto_tfm *tfm, 65563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 6564b1d7debSGilad Ben-Yossef struct scatterlist *dst, struct scatterlist *src, 6574b1d7debSGilad Ben-Yossef unsigned int nbytes, void *areq, 6584b1d7debSGilad Ben-Yossef struct cc_hw_desc desc[], unsigned int *seq_size) 6594b1d7debSGilad Ben-Yossef { 6604b1d7debSGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 6614b1d7debSGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 6624b1d7debSGilad Ben-Yossef 6634b1d7debSGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) { 6644b1d7debSGilad Ben-Yossef /* bypass */ 6654b1d7debSGilad Ben-Yossef dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n", 6664b1d7debSGilad Ben-Yossef &req_ctx->mlli_params.mlli_dma_addr, 6674b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len, 6684b1d7debSGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 6694b1d7debSGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 6704b1d7debSGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 6714b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_dma_addr, 6724b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len, NS_BIT); 6734b1d7debSGilad Ben-Yossef set_dout_sram(&desc[*seq_size], 6744b1d7debSGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 6754b1d7debSGilad Ben-Yossef req_ctx->mlli_params.mlli_len); 6764b1d7debSGilad Ben-Yossef set_flow_mode(&desc[*seq_size], BYPASS); 6774b1d7debSGilad Ben-Yossef (*seq_size)++; 6784b1d7debSGilad Ben-Yossef } 6794b1d7debSGilad Ben-Yossef } 6804b1d7debSGilad Ben-Yossef 6814b1d7debSGilad Ben-Yossef static void cc_setup_flow_desc(struct crypto_tfm *tfm, 6824b1d7debSGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 6834b1d7debSGilad Ben-Yossef struct scatterlist *dst, struct scatterlist *src, 6844b1d7debSGilad Ben-Yossef unsigned int nbytes, void *areq, 6854b1d7debSGilad Ben-Yossef struct cc_hw_desc desc[], unsigned int *seq_size) 68663ee04c8SGilad Ben-Yossef { 68763ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 68863ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 689533edf9fSGilad Ben-Yossef unsigned int flow_mode = cc_out_flow_mode(ctx_p); 69063ee04c8SGilad Ben-Yossef 69163ee04c8SGilad Ben-Yossef /* Process */ 69263ee04c8SGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) { 69363ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 69463ee04c8SGilad Ben-Yossef &sg_dma_address(src), nbytes); 69563ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 69663ee04c8SGilad Ben-Yossef &sg_dma_address(dst), nbytes); 69763ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 69863ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), 69963ee04c8SGilad Ben-Yossef nbytes, NS_BIT); 70063ee04c8SGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], sg_dma_address(dst), 70163ee04c8SGilad Ben-Yossef nbytes, NS_BIT, (!areq ? 0 : 1)); 70263ee04c8SGilad Ben-Yossef if (areq) 70327b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 70463ee04c8SGilad Ben-Yossef 70563ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 70663ee04c8SGilad Ben-Yossef (*seq_size)++; 70763ee04c8SGilad Ben-Yossef } else { 70863ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 70963ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_MLLI, 71063ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 71163ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT); 71263ee04c8SGilad Ben-Yossef if (req_ctx->out_nents == 0) { 71363ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 71463ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 71563ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 71663ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 71763ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 71863ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT, 71963ee04c8SGilad Ben-Yossef (!areq ? 0 : 1)); 72063ee04c8SGilad Ben-Yossef } else { 72163ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 72263ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 72363ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr + 72463ee04c8SGilad Ben-Yossef (u32)LLI_ENTRY_BYTE_SIZE * req_ctx->in_nents); 72563ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 72663ee04c8SGilad Ben-Yossef (ctx_p->drvdata->mlli_sram_addr + 72763ee04c8SGilad Ben-Yossef (LLI_ENTRY_BYTE_SIZE * 72863ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents)), 72963ee04c8SGilad Ben-Yossef req_ctx->out_mlli_nents, NS_BIT, 73063ee04c8SGilad Ben-Yossef (!areq ? 0 : 1)); 73163ee04c8SGilad Ben-Yossef } 73263ee04c8SGilad Ben-Yossef if (areq) 73327b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 73463ee04c8SGilad Ben-Yossef 73563ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 73663ee04c8SGilad Ben-Yossef (*seq_size)++; 73763ee04c8SGilad Ben-Yossef } 73863ee04c8SGilad Ben-Yossef } 73963ee04c8SGilad Ben-Yossef 74000904aa0SGilad Ben-Yossef /* 74100904aa0SGilad Ben-Yossef * Update a CTR-AES 128 bit counter 74200904aa0SGilad Ben-Yossef */ 74300904aa0SGilad Ben-Yossef static void cc_update_ctr(u8 *ctr, unsigned int increment) 74400904aa0SGilad Ben-Yossef { 74500904aa0SGilad Ben-Yossef if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) || 74600904aa0SGilad Ben-Yossef IS_ALIGNED((unsigned long)ctr, 8)) { 74700904aa0SGilad Ben-Yossef 74800904aa0SGilad Ben-Yossef __be64 *high_be = (__be64 *)ctr; 74900904aa0SGilad Ben-Yossef __be64 *low_be = high_be + 1; 75000904aa0SGilad Ben-Yossef u64 orig_low = __be64_to_cpu(*low_be); 75100904aa0SGilad Ben-Yossef u64 new_low = orig_low + (u64)increment; 75200904aa0SGilad Ben-Yossef 75300904aa0SGilad Ben-Yossef *low_be = __cpu_to_be64(new_low); 75400904aa0SGilad Ben-Yossef 75500904aa0SGilad Ben-Yossef if (new_low < orig_low) 75600904aa0SGilad Ben-Yossef *high_be = __cpu_to_be64(__be64_to_cpu(*high_be) + 1); 75700904aa0SGilad Ben-Yossef } else { 75800904aa0SGilad Ben-Yossef u8 *pos = (ctr + AES_BLOCK_SIZE); 75900904aa0SGilad Ben-Yossef u8 val; 76000904aa0SGilad Ben-Yossef unsigned int size; 76100904aa0SGilad Ben-Yossef 76200904aa0SGilad Ben-Yossef for (; increment; increment--) 76300904aa0SGilad Ben-Yossef for (size = AES_BLOCK_SIZE; size; size--) { 76400904aa0SGilad Ben-Yossef val = *--pos + 1; 76500904aa0SGilad Ben-Yossef *pos = val; 76600904aa0SGilad Ben-Yossef if (val) 76700904aa0SGilad Ben-Yossef break; 76800904aa0SGilad Ben-Yossef } 76900904aa0SGilad Ben-Yossef } 77000904aa0SGilad Ben-Yossef } 77100904aa0SGilad Ben-Yossef 77263ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err) 77363ee04c8SGilad Ben-Yossef { 77463ee04c8SGilad Ben-Yossef struct skcipher_request *req = (struct skcipher_request *)cc_req; 77563ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 77663ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 77763ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 77800904aa0SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 77900904aa0SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 78000904aa0SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 78100904aa0SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 78200904aa0SGilad Ben-Yossef unsigned int len; 78363ee04c8SGilad Ben-Yossef 784c139c72eSGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 785c139c72eSGilad Ben-Yossef 78600904aa0SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 78700904aa0SGilad Ben-Yossef case DRV_CIPHER_CBC: 78863ee04c8SGilad Ben-Yossef /* 78963ee04c8SGilad Ben-Yossef * The crypto API expects us to set the req->iv to the last 79063ee04c8SGilad Ben-Yossef * ciphertext block. For encrypt, simply copy from the result. 79163ee04c8SGilad Ben-Yossef * For decrypt, we must copy from a saved buffer since this 79263ee04c8SGilad Ben-Yossef * could be an in-place decryption operation and the src is 79363ee04c8SGilad Ben-Yossef * lost by this point. 79463ee04c8SGilad Ben-Yossef */ 79563ee04c8SGilad Ben-Yossef if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) { 79663ee04c8SGilad Ben-Yossef memcpy(req->iv, req_ctx->backup_info, ivsize); 79763ee04c8SGilad Ben-Yossef kzfree(req_ctx->backup_info); 79863ee04c8SGilad Ben-Yossef } else if (!err) { 79900904aa0SGilad Ben-Yossef len = req->cryptlen - ivsize; 80000904aa0SGilad Ben-Yossef scatterwalk_map_and_copy(req->iv, req->dst, len, 80163ee04c8SGilad Ben-Yossef ivsize, 0); 80263ee04c8SGilad Ben-Yossef } 80300904aa0SGilad Ben-Yossef break; 80400904aa0SGilad Ben-Yossef 80500904aa0SGilad Ben-Yossef case DRV_CIPHER_CTR: 80600904aa0SGilad Ben-Yossef /* Compute the counter of the last block */ 80700904aa0SGilad Ben-Yossef len = ALIGN(req->cryptlen, AES_BLOCK_SIZE) / AES_BLOCK_SIZE; 80800904aa0SGilad Ben-Yossef cc_update_ctr((u8 *)req->iv, len); 80900904aa0SGilad Ben-Yossef break; 81000904aa0SGilad Ben-Yossef 81100904aa0SGilad Ben-Yossef default: 81200904aa0SGilad Ben-Yossef break; 81300904aa0SGilad Ben-Yossef } 81400904aa0SGilad Ben-Yossef 81500904aa0SGilad Ben-Yossef kzfree(req_ctx->iv); 81663ee04c8SGilad Ben-Yossef 81763ee04c8SGilad Ben-Yossef skcipher_request_complete(req, err); 81863ee04c8SGilad Ben-Yossef } 81963ee04c8SGilad Ben-Yossef 82063ee04c8SGilad Ben-Yossef static int cc_cipher_process(struct skcipher_request *req, 82163ee04c8SGilad Ben-Yossef enum drv_crypto_direction direction) 82263ee04c8SGilad Ben-Yossef { 82363ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 82463ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 82563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 82663ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 82763ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 82863ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 82963ee04c8SGilad Ben-Yossef unsigned int nbytes = req->cryptlen; 83063ee04c8SGilad Ben-Yossef void *iv = req->iv; 83163ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 83263ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 83363ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[MAX_ABLKCIPHER_SEQ_LEN]; 83463ee04c8SGilad Ben-Yossef struct cc_crypto_req cc_req = {}; 83584f366daSGilad Ben-Yossef int rc; 83663ee04c8SGilad Ben-Yossef unsigned int seq_len = 0; 83763ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 83863ee04c8SGilad Ben-Yossef 83963ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s req=%p iv=%p nbytes=%d\n", 84063ee04c8SGilad Ben-Yossef ((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ? 84163ee04c8SGilad Ben-Yossef "Encrypt" : "Decrypt"), req, iv, nbytes); 84263ee04c8SGilad Ben-Yossef 84363ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 84463ee04c8SGilad Ben-Yossef 84563ee04c8SGilad Ben-Yossef /* TODO: check data length according to mode */ 84663ee04c8SGilad Ben-Yossef if (validate_data_size(ctx_p, nbytes)) { 84763ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported data size %d.\n", nbytes); 84863ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_BLOCK_LEN); 84963ee04c8SGilad Ben-Yossef rc = -EINVAL; 85063ee04c8SGilad Ben-Yossef goto exit_process; 85163ee04c8SGilad Ben-Yossef } 85263ee04c8SGilad Ben-Yossef if (nbytes == 0) { 85363ee04c8SGilad Ben-Yossef /* No data to process is valid */ 85463ee04c8SGilad Ben-Yossef rc = 0; 85563ee04c8SGilad Ben-Yossef goto exit_process; 85663ee04c8SGilad Ben-Yossef } 85763ee04c8SGilad Ben-Yossef 85863ee04c8SGilad Ben-Yossef /* The IV we are handed may be allocted from the stack so 85963ee04c8SGilad Ben-Yossef * we must copy it to a DMAable buffer before use. 86063ee04c8SGilad Ben-Yossef */ 86101745706SFengguang Wu req_ctx->iv = kmemdup(iv, ivsize, flags); 86263ee04c8SGilad Ben-Yossef if (!req_ctx->iv) { 86363ee04c8SGilad Ben-Yossef rc = -ENOMEM; 86463ee04c8SGilad Ben-Yossef goto exit_process; 86563ee04c8SGilad Ben-Yossef } 86663ee04c8SGilad Ben-Yossef 86763ee04c8SGilad Ben-Yossef /* Setup request structure */ 86863ee04c8SGilad Ben-Yossef cc_req.user_cb = (void *)cc_cipher_complete; 86963ee04c8SGilad Ben-Yossef cc_req.user_arg = (void *)req; 87063ee04c8SGilad Ben-Yossef 87152f42c65SGilad Ben-Yossef /* Setup CPP operation details */ 87252f42c65SGilad Ben-Yossef if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY) { 87352f42c65SGilad Ben-Yossef cc_req.cpp.is_cpp = true; 87452f42c65SGilad Ben-Yossef cc_req.cpp.alg = ctx_p->cpp.alg; 87552f42c65SGilad Ben-Yossef cc_req.cpp.slot = ctx_p->cpp.slot; 87652f42c65SGilad Ben-Yossef } 87752f42c65SGilad Ben-Yossef 87863ee04c8SGilad Ben-Yossef /* Setup request context */ 87963ee04c8SGilad Ben-Yossef req_ctx->gen_ctx.op_type = direction; 88063ee04c8SGilad Ben-Yossef 88163ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Map buffers */ 88263ee04c8SGilad Ben-Yossef 88363ee04c8SGilad Ben-Yossef rc = cc_map_cipher_request(ctx_p->drvdata, req_ctx, ivsize, nbytes, 88463ee04c8SGilad Ben-Yossef req_ctx->iv, src, dst, flags); 88563ee04c8SGilad Ben-Yossef if (rc) { 88663ee04c8SGilad Ben-Yossef dev_err(dev, "map_request() failed\n"); 88763ee04c8SGilad Ben-Yossef goto exit_process; 88863ee04c8SGilad Ben-Yossef } 88963ee04c8SGilad Ben-Yossef 89063ee04c8SGilad Ben-Yossef /* STAT_PHASE_2: Create sequence */ 89163ee04c8SGilad Ben-Yossef 892dd8486c7SGilad Ben-Yossef /* Setup IV and XEX key used */ 893dd8486c7SGilad Ben-Yossef cc_setup_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); 8944b1d7debSGilad Ben-Yossef /* Setup MLLI line, if needed */ 8954b1d7debSGilad Ben-Yossef cc_setup_mlli_desc(tfm, req_ctx, dst, src, nbytes, req, desc, &seq_len); 896dd8486c7SGilad Ben-Yossef /* Setup key */ 897dd8486c7SGilad Ben-Yossef cc_setup_key_desc(tfm, req_ctx, nbytes, desc, &seq_len); 89863ee04c8SGilad Ben-Yossef /* Data processing */ 8994b1d7debSGilad Ben-Yossef cc_setup_flow_desc(tfm, req_ctx, dst, src, nbytes, req, desc, &seq_len); 90063ee04c8SGilad Ben-Yossef 90163ee04c8SGilad Ben-Yossef /* STAT_PHASE_3: Lock HW and push sequence */ 90263ee04c8SGilad Ben-Yossef 90363ee04c8SGilad Ben-Yossef rc = cc_send_request(ctx_p->drvdata, &cc_req, desc, seq_len, 90463ee04c8SGilad Ben-Yossef &req->base); 90563ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 90663ee04c8SGilad Ben-Yossef /* Failed to send the request or request completed 90763ee04c8SGilad Ben-Yossef * synchronously 90863ee04c8SGilad Ben-Yossef */ 90963ee04c8SGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 91063ee04c8SGilad Ben-Yossef } 91163ee04c8SGilad Ben-Yossef 91263ee04c8SGilad Ben-Yossef exit_process: 91363ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 91463ee04c8SGilad Ben-Yossef kzfree(req_ctx->backup_info); 91563ee04c8SGilad Ben-Yossef kzfree(req_ctx->iv); 91663ee04c8SGilad Ben-Yossef } 91763ee04c8SGilad Ben-Yossef 91863ee04c8SGilad Ben-Yossef return rc; 91963ee04c8SGilad Ben-Yossef } 92063ee04c8SGilad Ben-Yossef 92163ee04c8SGilad Ben-Yossef static int cc_cipher_encrypt(struct skcipher_request *req) 92263ee04c8SGilad Ben-Yossef { 92363ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 92463ee04c8SGilad Ben-Yossef 925e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 92663ee04c8SGilad Ben-Yossef 92763ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_ENCRYPT); 92863ee04c8SGilad Ben-Yossef } 92963ee04c8SGilad Ben-Yossef 93063ee04c8SGilad Ben-Yossef static int cc_cipher_decrypt(struct skcipher_request *req) 93163ee04c8SGilad Ben-Yossef { 93263ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 93300904aa0SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 93400904aa0SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 93563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 93663ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 93763ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 93800904aa0SGilad Ben-Yossef unsigned int len; 93963ee04c8SGilad Ben-Yossef 940e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 941e30368f3SGilad Ben-Yossef 9422b5ac174SGilad Ben-Yossef if ((ctx_p->cipher_mode == DRV_CIPHER_CBC) && 9432b5ac174SGilad Ben-Yossef (req->cryptlen >= ivsize)) { 94400904aa0SGilad Ben-Yossef 94500904aa0SGilad Ben-Yossef /* Allocate and save the last IV sized bytes of the source, 94600904aa0SGilad Ben-Yossef * which will be lost in case of in-place decryption. 94763ee04c8SGilad Ben-Yossef */ 94800904aa0SGilad Ben-Yossef req_ctx->backup_info = kzalloc(ivsize, flags); 94963ee04c8SGilad Ben-Yossef if (!req_ctx->backup_info) 95063ee04c8SGilad Ben-Yossef return -ENOMEM; 95163ee04c8SGilad Ben-Yossef 95200904aa0SGilad Ben-Yossef len = req->cryptlen - ivsize; 95300904aa0SGilad Ben-Yossef scatterwalk_map_and_copy(req_ctx->backup_info, req->src, len, 95400904aa0SGilad Ben-Yossef ivsize, 0); 95500904aa0SGilad Ben-Yossef } 95600904aa0SGilad Ben-Yossef 95763ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT); 95863ee04c8SGilad Ben-Yossef } 95963ee04c8SGilad Ben-Yossef 96063ee04c8SGilad Ben-Yossef /* Block cipher alg */ 96163ee04c8SGilad Ben-Yossef static const struct cc_alg_template skcipher_algs[] = { 96263ee04c8SGilad Ben-Yossef { 963a794d8d8SGilad Ben-Yossef .name = "xts(paes)", 964a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-ccree", 965a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 966a794d8d8SGilad Ben-Yossef .template_skcipher = { 967a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 968a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 969a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 970a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 971a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 972a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 973a794d8d8SGilad Ben-Yossef }, 974a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 975a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 976a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 9771c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 978f98f6e21SGilad Ben-Yossef .sec_func = true, 979a794d8d8SGilad Ben-Yossef }, 980a794d8d8SGilad Ben-Yossef { 981a794d8d8SGilad Ben-Yossef .name = "xts512(paes)", 982a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du512-ccree", 983a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 984a794d8d8SGilad Ben-Yossef .template_skcipher = { 985a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 986a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 987a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 988a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 989a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 990a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 991a794d8d8SGilad Ben-Yossef }, 992a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 993a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 994a794d8d8SGilad Ben-Yossef .data_unit = 512, 995a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 9961c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 997f98f6e21SGilad Ben-Yossef .sec_func = true, 998a794d8d8SGilad Ben-Yossef }, 999a794d8d8SGilad Ben-Yossef { 1000a794d8d8SGilad Ben-Yossef .name = "xts4096(paes)", 1001a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du4096-ccree", 1002a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1003a794d8d8SGilad Ben-Yossef .template_skcipher = { 1004a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1005a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1006a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1007a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1008a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1009a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1010a794d8d8SGilad Ben-Yossef }, 1011a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 1012a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1013a794d8d8SGilad Ben-Yossef .data_unit = 4096, 1014a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10151c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1016f98f6e21SGilad Ben-Yossef .sec_func = true, 1017a794d8d8SGilad Ben-Yossef }, 1018a794d8d8SGilad Ben-Yossef { 1019a794d8d8SGilad Ben-Yossef .name = "essiv(paes)", 1020a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-ccree", 1021a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1022a794d8d8SGilad Ben-Yossef .template_skcipher = { 1023a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1024a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1025a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1026a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1027a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1028a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1029a794d8d8SGilad Ben-Yossef }, 1030a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 1031a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1032a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10331c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1034f98f6e21SGilad Ben-Yossef .sec_func = true, 1035a794d8d8SGilad Ben-Yossef }, 1036a794d8d8SGilad Ben-Yossef { 1037a794d8d8SGilad Ben-Yossef .name = "essiv512(paes)", 1038a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du512-ccree", 1039a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1040a794d8d8SGilad Ben-Yossef .template_skcipher = { 1041a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1042a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1043a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1044a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1045a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1046a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1047a794d8d8SGilad Ben-Yossef }, 1048a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 1049a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1050a794d8d8SGilad Ben-Yossef .data_unit = 512, 1051a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10521c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1053f98f6e21SGilad Ben-Yossef .sec_func = true, 1054a794d8d8SGilad Ben-Yossef }, 1055a794d8d8SGilad Ben-Yossef { 1056a794d8d8SGilad Ben-Yossef .name = "essiv4096(paes)", 1057a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du4096-ccree", 1058a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1059a794d8d8SGilad Ben-Yossef .template_skcipher = { 1060a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1061a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1062a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1063a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1064a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1065a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1066a794d8d8SGilad Ben-Yossef }, 1067a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 1068a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1069a794d8d8SGilad Ben-Yossef .data_unit = 4096, 1070a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10711c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1072f98f6e21SGilad Ben-Yossef .sec_func = true, 1073a794d8d8SGilad Ben-Yossef }, 1074a794d8d8SGilad Ben-Yossef { 1075a794d8d8SGilad Ben-Yossef .name = "bitlocker(paes)", 1076a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-ccree", 1077a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1078a794d8d8SGilad Ben-Yossef .template_skcipher = { 1079a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1080a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1081a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1082a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1083a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1084a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1085a794d8d8SGilad Ben-Yossef }, 1086a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 1087a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1088a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10891c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1090f98f6e21SGilad Ben-Yossef .sec_func = true, 1091a794d8d8SGilad Ben-Yossef }, 1092a794d8d8SGilad Ben-Yossef { 1093a794d8d8SGilad Ben-Yossef .name = "bitlocker512(paes)", 1094a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du512-ccree", 1095a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1096a794d8d8SGilad Ben-Yossef .template_skcipher = { 1097a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1098a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1099a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1100a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1101a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1102a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1103a794d8d8SGilad Ben-Yossef }, 1104a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 1105a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1106a794d8d8SGilad Ben-Yossef .data_unit = 512, 1107a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11081c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1109f98f6e21SGilad Ben-Yossef .sec_func = true, 1110a794d8d8SGilad Ben-Yossef }, 1111a794d8d8SGilad Ben-Yossef { 1112a794d8d8SGilad Ben-Yossef .name = "bitlocker4096(paes)", 1113a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du4096-ccree", 1114a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1115a794d8d8SGilad Ben-Yossef .template_skcipher = { 1116a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1117a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1118a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1119a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1120a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1121a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1122a794d8d8SGilad Ben-Yossef }, 1123a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 1124a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1125a794d8d8SGilad Ben-Yossef .data_unit = 4096, 1126a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11271c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1128f98f6e21SGilad Ben-Yossef .sec_func = true, 1129a794d8d8SGilad Ben-Yossef }, 1130a794d8d8SGilad Ben-Yossef { 1131a794d8d8SGilad Ben-Yossef .name = "ecb(paes)", 1132a794d8d8SGilad Ben-Yossef .driver_name = "ecb-paes-ccree", 1133a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1134a794d8d8SGilad Ben-Yossef .template_skcipher = { 1135a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1136a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1137a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1138a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1139a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1140a794d8d8SGilad Ben-Yossef .ivsize = 0, 1141a794d8d8SGilad Ben-Yossef }, 1142a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 1143a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1144a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11451c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1146f98f6e21SGilad Ben-Yossef .sec_func = true, 1147a794d8d8SGilad Ben-Yossef }, 1148a794d8d8SGilad Ben-Yossef { 1149a794d8d8SGilad Ben-Yossef .name = "cbc(paes)", 1150a794d8d8SGilad Ben-Yossef .driver_name = "cbc-paes-ccree", 1151a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1152a794d8d8SGilad Ben-Yossef .template_skcipher = { 1153a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1154a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1155a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1156a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1157a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1158a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1159a794d8d8SGilad Ben-Yossef }, 1160a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 1161a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1162a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11631c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1164f98f6e21SGilad Ben-Yossef .sec_func = true, 1165a794d8d8SGilad Ben-Yossef }, 1166a794d8d8SGilad Ben-Yossef { 1167a794d8d8SGilad Ben-Yossef .name = "ofb(paes)", 1168a794d8d8SGilad Ben-Yossef .driver_name = "ofb-paes-ccree", 1169a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1170a794d8d8SGilad Ben-Yossef .template_skcipher = { 1171a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1172a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1173a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1174a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1175a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1176a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1177a794d8d8SGilad Ben-Yossef }, 1178a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 1179a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1180a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11811c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1182f98f6e21SGilad Ben-Yossef .sec_func = true, 1183a794d8d8SGilad Ben-Yossef }, 1184a794d8d8SGilad Ben-Yossef { 118584f366daSGilad Ben-Yossef .name = "cts(cbc(paes))", 118684f366daSGilad Ben-Yossef .driver_name = "cts-cbc-paes-ccree", 1187a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1188a794d8d8SGilad Ben-Yossef .template_skcipher = { 1189a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1190a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1191a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1192a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1193a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1194a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1195a794d8d8SGilad Ben-Yossef }, 1196a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 1197a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1198a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11991c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1200f98f6e21SGilad Ben-Yossef .sec_func = true, 1201a794d8d8SGilad Ben-Yossef }, 1202a794d8d8SGilad Ben-Yossef { 1203a794d8d8SGilad Ben-Yossef .name = "ctr(paes)", 1204a794d8d8SGilad Ben-Yossef .driver_name = "ctr-paes-ccree", 1205a794d8d8SGilad Ben-Yossef .blocksize = 1, 1206a794d8d8SGilad Ben-Yossef .template_skcipher = { 1207a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1208a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1209a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1210a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1211a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1212a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1213a794d8d8SGilad Ben-Yossef }, 1214a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1215a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1216a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12171c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1218f98f6e21SGilad Ben-Yossef .sec_func = true, 1219a794d8d8SGilad Ben-Yossef }, 1220a794d8d8SGilad Ben-Yossef { 122163ee04c8SGilad Ben-Yossef .name = "xts(aes)", 122263ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-ccree", 122363ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 122463ee04c8SGilad Ben-Yossef .template_skcipher = { 122563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 122663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 122763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 122863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 122963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 123063ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 123163ee04c8SGilad Ben-Yossef }, 123263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 123363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 123427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 12351c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 123663ee04c8SGilad Ben-Yossef }, 123763ee04c8SGilad Ben-Yossef { 123863ee04c8SGilad Ben-Yossef .name = "xts512(aes)", 123963ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du512-ccree", 124063ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 124163ee04c8SGilad Ben-Yossef .template_skcipher = { 124263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 124363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 124463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 124563ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 124663ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 124763ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 124863ee04c8SGilad Ben-Yossef }, 124963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 125063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 125163ee04c8SGilad Ben-Yossef .data_unit = 512, 125227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12531c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 125463ee04c8SGilad Ben-Yossef }, 125563ee04c8SGilad Ben-Yossef { 125663ee04c8SGilad Ben-Yossef .name = "xts4096(aes)", 125763ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du4096-ccree", 125863ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 125963ee04c8SGilad Ben-Yossef .template_skcipher = { 126063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 126163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 126263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 126363ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 126463ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 126563ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 126663ee04c8SGilad Ben-Yossef }, 126763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 126863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 126963ee04c8SGilad Ben-Yossef .data_unit = 4096, 127027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12711c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 127263ee04c8SGilad Ben-Yossef }, 127363ee04c8SGilad Ben-Yossef { 127463ee04c8SGilad Ben-Yossef .name = "essiv(aes)", 127563ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-ccree", 127663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 127763ee04c8SGilad Ben-Yossef .template_skcipher = { 127863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 127963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 128063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 128163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 128263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 128363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 128463ee04c8SGilad Ben-Yossef }, 128563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 128663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 128727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12881c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 128963ee04c8SGilad Ben-Yossef }, 129063ee04c8SGilad Ben-Yossef { 129163ee04c8SGilad Ben-Yossef .name = "essiv512(aes)", 129263ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du512-ccree", 129363ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 129463ee04c8SGilad Ben-Yossef .template_skcipher = { 129563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 129663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 129763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 129863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 129963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 130063ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 130163ee04c8SGilad Ben-Yossef }, 130263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 130363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 130463ee04c8SGilad Ben-Yossef .data_unit = 512, 130527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13061c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 130763ee04c8SGilad Ben-Yossef }, 130863ee04c8SGilad Ben-Yossef { 130963ee04c8SGilad Ben-Yossef .name = "essiv4096(aes)", 131063ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du4096-ccree", 131163ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 131263ee04c8SGilad Ben-Yossef .template_skcipher = { 131363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 131463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 131563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 131663ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 131763ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 131863ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 131963ee04c8SGilad Ben-Yossef }, 132063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 132163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 132263ee04c8SGilad Ben-Yossef .data_unit = 4096, 132327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13241c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 132563ee04c8SGilad Ben-Yossef }, 132663ee04c8SGilad Ben-Yossef { 132763ee04c8SGilad Ben-Yossef .name = "bitlocker(aes)", 132863ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-ccree", 132963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 133063ee04c8SGilad Ben-Yossef .template_skcipher = { 133163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 133263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 133363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 133463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 133563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 133663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 133763ee04c8SGilad Ben-Yossef }, 133863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 133963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 134027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13411c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 134263ee04c8SGilad Ben-Yossef }, 134363ee04c8SGilad Ben-Yossef { 134463ee04c8SGilad Ben-Yossef .name = "bitlocker512(aes)", 134563ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du512-ccree", 134663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 134763ee04c8SGilad Ben-Yossef .template_skcipher = { 134863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 134963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 135063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 135163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 135263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 135363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 135463ee04c8SGilad Ben-Yossef }, 135563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 135663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 135763ee04c8SGilad Ben-Yossef .data_unit = 512, 135827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13591c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 136063ee04c8SGilad Ben-Yossef }, 136163ee04c8SGilad Ben-Yossef { 136263ee04c8SGilad Ben-Yossef .name = "bitlocker4096(aes)", 136363ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du4096-ccree", 136463ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 136563ee04c8SGilad Ben-Yossef .template_skcipher = { 136663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 136763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 136863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 136963ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 137063ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 137163ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 137263ee04c8SGilad Ben-Yossef }, 137363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 137463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 137563ee04c8SGilad Ben-Yossef .data_unit = 4096, 137627b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 13771c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 137863ee04c8SGilad Ben-Yossef }, 137963ee04c8SGilad Ben-Yossef { 138063ee04c8SGilad Ben-Yossef .name = "ecb(aes)", 138163ee04c8SGilad Ben-Yossef .driver_name = "ecb-aes-ccree", 138263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 138363ee04c8SGilad Ben-Yossef .template_skcipher = { 138463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 138563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 138663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 138763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 138863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 138963ee04c8SGilad Ben-Yossef .ivsize = 0, 139063ee04c8SGilad Ben-Yossef }, 139163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 139263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 139327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 13941c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 139563ee04c8SGilad Ben-Yossef }, 139663ee04c8SGilad Ben-Yossef { 139763ee04c8SGilad Ben-Yossef .name = "cbc(aes)", 139863ee04c8SGilad Ben-Yossef .driver_name = "cbc-aes-ccree", 139963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 140063ee04c8SGilad Ben-Yossef .template_skcipher = { 140163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 140263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 140363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 140463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 140563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 140663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 140763ee04c8SGilad Ben-Yossef }, 140863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 140963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 141027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14111c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 141263ee04c8SGilad Ben-Yossef }, 141363ee04c8SGilad Ben-Yossef { 141463ee04c8SGilad Ben-Yossef .name = "ofb(aes)", 141563ee04c8SGilad Ben-Yossef .driver_name = "ofb-aes-ccree", 141663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 141763ee04c8SGilad Ben-Yossef .template_skcipher = { 141863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 141963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 142063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 142163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 142263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 142363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 142463ee04c8SGilad Ben-Yossef }, 142563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 142663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 142727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14281c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 142963ee04c8SGilad Ben-Yossef }, 143063ee04c8SGilad Ben-Yossef { 143184f366daSGilad Ben-Yossef .name = "cts(cbc(aes))", 143284f366daSGilad Ben-Yossef .driver_name = "cts-cbc-aes-ccree", 143363ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 143463ee04c8SGilad Ben-Yossef .template_skcipher = { 143563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 143663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 143763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 143863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 143963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 144063ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 144163ee04c8SGilad Ben-Yossef }, 144263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 144363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 144427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14451c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 144663ee04c8SGilad Ben-Yossef }, 144763ee04c8SGilad Ben-Yossef { 144863ee04c8SGilad Ben-Yossef .name = "ctr(aes)", 144963ee04c8SGilad Ben-Yossef .driver_name = "ctr-aes-ccree", 145063ee04c8SGilad Ben-Yossef .blocksize = 1, 145163ee04c8SGilad Ben-Yossef .template_skcipher = { 145263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 145363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 145463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 145563ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 145663ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 145763ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 145863ee04c8SGilad Ben-Yossef }, 145963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 146063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 146127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14621c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 146363ee04c8SGilad Ben-Yossef }, 146463ee04c8SGilad Ben-Yossef { 146563ee04c8SGilad Ben-Yossef .name = "cbc(des3_ede)", 146663ee04c8SGilad Ben-Yossef .driver_name = "cbc-3des-ccree", 146763ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 146863ee04c8SGilad Ben-Yossef .template_skcipher = { 146963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 147063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 147163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 147263ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 147363ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 147463ee04c8SGilad Ben-Yossef .ivsize = DES3_EDE_BLOCK_SIZE, 147563ee04c8SGilad Ben-Yossef }, 147663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 147763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 147827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14791c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 148063ee04c8SGilad Ben-Yossef }, 148163ee04c8SGilad Ben-Yossef { 148263ee04c8SGilad Ben-Yossef .name = "ecb(des3_ede)", 148363ee04c8SGilad Ben-Yossef .driver_name = "ecb-3des-ccree", 148463ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 148563ee04c8SGilad Ben-Yossef .template_skcipher = { 148663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 148763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 148863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 148963ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 149063ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 149163ee04c8SGilad Ben-Yossef .ivsize = 0, 149263ee04c8SGilad Ben-Yossef }, 149363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 149463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 149527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 14961c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 149763ee04c8SGilad Ben-Yossef }, 149863ee04c8SGilad Ben-Yossef { 149963ee04c8SGilad Ben-Yossef .name = "cbc(des)", 150063ee04c8SGilad Ben-Yossef .driver_name = "cbc-des-ccree", 150163ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 150263ee04c8SGilad Ben-Yossef .template_skcipher = { 150363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 150463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 150563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 150663ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 150763ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 150863ee04c8SGilad Ben-Yossef .ivsize = DES_BLOCK_SIZE, 150963ee04c8SGilad Ben-Yossef }, 151063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 151163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 151227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 15131c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 151463ee04c8SGilad Ben-Yossef }, 151563ee04c8SGilad Ben-Yossef { 151663ee04c8SGilad Ben-Yossef .name = "ecb(des)", 151763ee04c8SGilad Ben-Yossef .driver_name = "ecb-des-ccree", 151863ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 151963ee04c8SGilad Ben-Yossef .template_skcipher = { 152063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 152163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 152263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 152363ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 152463ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 152563ee04c8SGilad Ben-Yossef .ivsize = 0, 152663ee04c8SGilad Ben-Yossef }, 152763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 152863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 152927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 15301c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 153163ee04c8SGilad Ben-Yossef }, 15329b8d51f8SGilad Ben-Yossef { 15339b8d51f8SGilad Ben-Yossef .name = "cbc(sm4)", 15349b8d51f8SGilad Ben-Yossef .driver_name = "cbc-sm4-ccree", 15359b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15369b8d51f8SGilad Ben-Yossef .template_skcipher = { 15379b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15389b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15399b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15409b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15419b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15429b8d51f8SGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 15439b8d51f8SGilad Ben-Yossef }, 15449b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 15459b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15469b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15471c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15489b8d51f8SGilad Ben-Yossef }, 15499b8d51f8SGilad Ben-Yossef { 15509b8d51f8SGilad Ben-Yossef .name = "ecb(sm4)", 15519b8d51f8SGilad Ben-Yossef .driver_name = "ecb-sm4-ccree", 15529b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15539b8d51f8SGilad Ben-Yossef .template_skcipher = { 15549b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15559b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15569b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15579b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15589b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15599b8d51f8SGilad Ben-Yossef .ivsize = 0, 15609b8d51f8SGilad Ben-Yossef }, 15619b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 15629b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15639b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15641c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15659b8d51f8SGilad Ben-Yossef }, 15669b8d51f8SGilad Ben-Yossef { 15679b8d51f8SGilad Ben-Yossef .name = "ctr(sm4)", 15689b8d51f8SGilad Ben-Yossef .driver_name = "ctr-sm4-ccree", 15699b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 15709b8d51f8SGilad Ben-Yossef .template_skcipher = { 15719b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 15729b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 15739b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 15749b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 15759b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 15769b8d51f8SGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 15779b8d51f8SGilad Ben-Yossef }, 15789b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 15799b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 15809b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 15811c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 15829b8d51f8SGilad Ben-Yossef }, 1583bee711faSGilad Ben-Yossef { 1584bee711faSGilad Ben-Yossef .name = "cbc(psm4)", 1585bee711faSGilad Ben-Yossef .driver_name = "cbc-psm4-ccree", 1586bee711faSGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 1587bee711faSGilad Ben-Yossef .template_skcipher = { 1588bee711faSGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1589bee711faSGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1590bee711faSGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1591bee711faSGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1592bee711faSGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1593bee711faSGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 1594bee711faSGilad Ben-Yossef }, 1595bee711faSGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 1596bee711faSGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 1597bee711faSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 1598bee711faSGilad Ben-Yossef .std_body = CC_STD_OSCCA, 1599bee711faSGilad Ben-Yossef .sec_func = true, 1600bee711faSGilad Ben-Yossef }, 1601bee711faSGilad Ben-Yossef { 1602bee711faSGilad Ben-Yossef .name = "ctr(psm4)", 1603bee711faSGilad Ben-Yossef .driver_name = "ctr-psm4-ccree", 1604bee711faSGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 1605bee711faSGilad Ben-Yossef .template_skcipher = { 1606bee711faSGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1607bee711faSGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1608bee711faSGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1609bee711faSGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1610bee711faSGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1611bee711faSGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 1612bee711faSGilad Ben-Yossef }, 1613bee711faSGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1614bee711faSGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 1615bee711faSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 1616bee711faSGilad Ben-Yossef .std_body = CC_STD_OSCCA, 1617bee711faSGilad Ben-Yossef .sec_func = true, 1618bee711faSGilad Ben-Yossef }, 161963ee04c8SGilad Ben-Yossef }; 162063ee04c8SGilad Ben-Yossef 162163ee04c8SGilad Ben-Yossef static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl, 162263ee04c8SGilad Ben-Yossef struct device *dev) 162363ee04c8SGilad Ben-Yossef { 162463ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 162563ee04c8SGilad Ben-Yossef struct skcipher_alg *alg; 162663ee04c8SGilad Ben-Yossef 162763ee04c8SGilad Ben-Yossef t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); 162863ee04c8SGilad Ben-Yossef if (!t_alg) 162963ee04c8SGilad Ben-Yossef return ERR_PTR(-ENOMEM); 163063ee04c8SGilad Ben-Yossef 163163ee04c8SGilad Ben-Yossef alg = &t_alg->skcipher_alg; 163263ee04c8SGilad Ben-Yossef 163363ee04c8SGilad Ben-Yossef memcpy(alg, &tmpl->template_skcipher, sizeof(*alg)); 163463ee04c8SGilad Ben-Yossef 163563ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name); 163663ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", 163763ee04c8SGilad Ben-Yossef tmpl->driver_name); 163863ee04c8SGilad Ben-Yossef alg->base.cra_module = THIS_MODULE; 163963ee04c8SGilad Ben-Yossef alg->base.cra_priority = CC_CRA_PRIO; 164063ee04c8SGilad Ben-Yossef alg->base.cra_blocksize = tmpl->blocksize; 164163ee04c8SGilad Ben-Yossef alg->base.cra_alignmask = 0; 164263ee04c8SGilad Ben-Yossef alg->base.cra_ctxsize = sizeof(struct cc_cipher_ctx); 164363ee04c8SGilad Ben-Yossef 164463ee04c8SGilad Ben-Yossef alg->base.cra_init = cc_cipher_init; 164563ee04c8SGilad Ben-Yossef alg->base.cra_exit = cc_cipher_exit; 16462c95e6d9SEric Biggers alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; 164763ee04c8SGilad Ben-Yossef 164863ee04c8SGilad Ben-Yossef t_alg->cipher_mode = tmpl->cipher_mode; 164963ee04c8SGilad Ben-Yossef t_alg->flow_mode = tmpl->flow_mode; 165063ee04c8SGilad Ben-Yossef t_alg->data_unit = tmpl->data_unit; 165163ee04c8SGilad Ben-Yossef 165263ee04c8SGilad Ben-Yossef return t_alg; 165363ee04c8SGilad Ben-Yossef } 165463ee04c8SGilad Ben-Yossef 165563ee04c8SGilad Ben-Yossef int cc_cipher_free(struct cc_drvdata *drvdata) 165663ee04c8SGilad Ben-Yossef { 165763ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg, *n; 165863ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle = drvdata->cipher_handle; 165963ee04c8SGilad Ben-Yossef 166063ee04c8SGilad Ben-Yossef if (cipher_handle) { 166163ee04c8SGilad Ben-Yossef /* Remove registered algs */ 166263ee04c8SGilad Ben-Yossef list_for_each_entry_safe(t_alg, n, &cipher_handle->alg_list, 166363ee04c8SGilad Ben-Yossef entry) { 166463ee04c8SGilad Ben-Yossef crypto_unregister_skcipher(&t_alg->skcipher_alg); 166563ee04c8SGilad Ben-Yossef list_del(&t_alg->entry); 166663ee04c8SGilad Ben-Yossef kfree(t_alg); 166763ee04c8SGilad Ben-Yossef } 166863ee04c8SGilad Ben-Yossef kfree(cipher_handle); 166963ee04c8SGilad Ben-Yossef drvdata->cipher_handle = NULL; 167063ee04c8SGilad Ben-Yossef } 167163ee04c8SGilad Ben-Yossef return 0; 167263ee04c8SGilad Ben-Yossef } 167363ee04c8SGilad Ben-Yossef 167463ee04c8SGilad Ben-Yossef int cc_cipher_alloc(struct cc_drvdata *drvdata) 167563ee04c8SGilad Ben-Yossef { 167663ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle; 167763ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 167863ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(drvdata); 167963ee04c8SGilad Ben-Yossef int rc = -ENOMEM; 168063ee04c8SGilad Ben-Yossef int alg; 168163ee04c8SGilad Ben-Yossef 168263ee04c8SGilad Ben-Yossef cipher_handle = kmalloc(sizeof(*cipher_handle), GFP_KERNEL); 168363ee04c8SGilad Ben-Yossef if (!cipher_handle) 168463ee04c8SGilad Ben-Yossef return -ENOMEM; 168563ee04c8SGilad Ben-Yossef 168663ee04c8SGilad Ben-Yossef INIT_LIST_HEAD(&cipher_handle->alg_list); 168763ee04c8SGilad Ben-Yossef drvdata->cipher_handle = cipher_handle; 168863ee04c8SGilad Ben-Yossef 168963ee04c8SGilad Ben-Yossef /* Linux crypto */ 169063ee04c8SGilad Ben-Yossef dev_dbg(dev, "Number of algorithms = %zu\n", 169163ee04c8SGilad Ben-Yossef ARRAY_SIZE(skcipher_algs)); 169263ee04c8SGilad Ben-Yossef for (alg = 0; alg < ARRAY_SIZE(skcipher_algs); alg++) { 16931c876a90SGilad Ben-Yossef if ((skcipher_algs[alg].min_hw_rev > drvdata->hw_rev) || 1694f98f6e21SGilad Ben-Yossef !(drvdata->std_bodies & skcipher_algs[alg].std_body) || 1695f98f6e21SGilad Ben-Yossef (drvdata->sec_disabled && skcipher_algs[alg].sec_func)) 169627b3b22dSGilad Ben-Yossef continue; 169727b3b22dSGilad Ben-Yossef 169863ee04c8SGilad Ben-Yossef dev_dbg(dev, "creating %s\n", skcipher_algs[alg].driver_name); 169963ee04c8SGilad Ben-Yossef t_alg = cc_create_alg(&skcipher_algs[alg], dev); 170063ee04c8SGilad Ben-Yossef if (IS_ERR(t_alg)) { 170163ee04c8SGilad Ben-Yossef rc = PTR_ERR(t_alg); 170263ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg allocation failed\n", 170363ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 170463ee04c8SGilad Ben-Yossef goto fail0; 170563ee04c8SGilad Ben-Yossef } 170663ee04c8SGilad Ben-Yossef t_alg->drvdata = drvdata; 170763ee04c8SGilad Ben-Yossef 170863ee04c8SGilad Ben-Yossef dev_dbg(dev, "registering %s\n", 170963ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 171063ee04c8SGilad Ben-Yossef rc = crypto_register_skcipher(&t_alg->skcipher_alg); 171163ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s alg registration rc = %x\n", 171263ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name, rc); 171363ee04c8SGilad Ben-Yossef if (rc) { 171463ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg registration failed\n", 171563ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 171663ee04c8SGilad Ben-Yossef kfree(t_alg); 171763ee04c8SGilad Ben-Yossef goto fail0; 171863ee04c8SGilad Ben-Yossef } else { 171963ee04c8SGilad Ben-Yossef list_add_tail(&t_alg->entry, 172063ee04c8SGilad Ben-Yossef &cipher_handle->alg_list); 172163ee04c8SGilad Ben-Yossef dev_dbg(dev, "Registered %s\n", 172263ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 172363ee04c8SGilad Ben-Yossef } 172463ee04c8SGilad Ben-Yossef } 172563ee04c8SGilad Ben-Yossef return 0; 172663ee04c8SGilad Ben-Yossef 172763ee04c8SGilad Ben-Yossef fail0: 172863ee04c8SGilad Ben-Yossef cc_cipher_free(drvdata); 172963ee04c8SGilad Ben-Yossef return rc; 173063ee04c8SGilad Ben-Yossef } 1731