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 3763ee04c8SGilad Ben-Yossef struct cc_cipher_ctx { 3863ee04c8SGilad Ben-Yossef struct cc_drvdata *drvdata; 3963ee04c8SGilad Ben-Yossef int keylen; 4063ee04c8SGilad Ben-Yossef int key_round_number; 4163ee04c8SGilad Ben-Yossef int cipher_mode; 4263ee04c8SGilad Ben-Yossef int flow_mode; 4363ee04c8SGilad Ben-Yossef unsigned int flags; 44a794d8d8SGilad Ben-Yossef bool hw_key; 4563ee04c8SGilad Ben-Yossef struct cc_user_key_info user; 4663ee04c8SGilad Ben-Yossef struct cc_hw_key_info hw; 4763ee04c8SGilad Ben-Yossef struct crypto_shash *shash_tfm; 4863ee04c8SGilad Ben-Yossef }; 4963ee04c8SGilad Ben-Yossef 5063ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err); 5163ee04c8SGilad Ben-Yossef 52a794d8d8SGilad Ben-Yossef static inline bool cc_is_hw_key(struct crypto_tfm *tfm) 53a794d8d8SGilad Ben-Yossef { 54a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 55a794d8d8SGilad Ben-Yossef 56a794d8d8SGilad Ben-Yossef return ctx_p->hw_key; 57a794d8d8SGilad Ben-Yossef } 58a794d8d8SGilad Ben-Yossef 5963ee04c8SGilad Ben-Yossef static int validate_keys_sizes(struct cc_cipher_ctx *ctx_p, u32 size) 6063ee04c8SGilad Ben-Yossef { 6163ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 6263ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 6363ee04c8SGilad Ben-Yossef switch (size) { 6463ee04c8SGilad Ben-Yossef case CC_AES_128_BIT_KEY_SIZE: 6563ee04c8SGilad Ben-Yossef case CC_AES_192_BIT_KEY_SIZE: 6663ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode != DRV_CIPHER_XTS && 6763ee04c8SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_ESSIV && 6863ee04c8SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_BITLOCKER) 6963ee04c8SGilad Ben-Yossef return 0; 7063ee04c8SGilad Ben-Yossef break; 7163ee04c8SGilad Ben-Yossef case CC_AES_256_BIT_KEY_SIZE: 7263ee04c8SGilad Ben-Yossef return 0; 7363ee04c8SGilad Ben-Yossef case (CC_AES_192_BIT_KEY_SIZE * 2): 7463ee04c8SGilad Ben-Yossef case (CC_AES_256_BIT_KEY_SIZE * 2): 7563ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 7663ee04c8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 7763ee04c8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) 7863ee04c8SGilad Ben-Yossef return 0; 7963ee04c8SGilad Ben-Yossef break; 8063ee04c8SGilad Ben-Yossef default: 8163ee04c8SGilad Ben-Yossef break; 8263ee04c8SGilad Ben-Yossef } 83b5be8531SGustavo A. R. Silva break; 8463ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 8563ee04c8SGilad Ben-Yossef if (size == DES3_EDE_KEY_SIZE || size == DES_KEY_SIZE) 8663ee04c8SGilad Ben-Yossef return 0; 8763ee04c8SGilad Ben-Yossef break; 889b8d51f8SGilad Ben-Yossef case S_DIN_to_SM4: 899b8d51f8SGilad Ben-Yossef if (size == SM4_KEY_SIZE) 909b8d51f8SGilad Ben-Yossef return 0; 9163ee04c8SGilad Ben-Yossef default: 9263ee04c8SGilad Ben-Yossef break; 9363ee04c8SGilad Ben-Yossef } 9463ee04c8SGilad Ben-Yossef return -EINVAL; 9563ee04c8SGilad Ben-Yossef } 9663ee04c8SGilad Ben-Yossef 9763ee04c8SGilad Ben-Yossef static int validate_data_size(struct cc_cipher_ctx *ctx_p, 9863ee04c8SGilad Ben-Yossef unsigned int size) 9963ee04c8SGilad Ben-Yossef { 10063ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 10163ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 10263ee04c8SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 10363ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 104f53ad3e1SGilad Ben-Yossef if (size >= AES_BLOCK_SIZE && 10563ee04c8SGilad Ben-Yossef IS_ALIGNED(size, AES_BLOCK_SIZE)) 10663ee04c8SGilad Ben-Yossef return 0; 10763ee04c8SGilad Ben-Yossef break; 10863ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 10963ee04c8SGilad Ben-Yossef if (size >= AES_BLOCK_SIZE) 11063ee04c8SGilad Ben-Yossef return 0; 11163ee04c8SGilad Ben-Yossef break; 11263ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 11363ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 11463ee04c8SGilad Ben-Yossef return 0; 11563ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 11663ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 11763ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 11863ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 11963ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, AES_BLOCK_SIZE)) 12063ee04c8SGilad Ben-Yossef return 0; 12163ee04c8SGilad Ben-Yossef break; 12263ee04c8SGilad Ben-Yossef default: 12363ee04c8SGilad Ben-Yossef break; 12463ee04c8SGilad Ben-Yossef } 12563ee04c8SGilad Ben-Yossef break; 12663ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 12763ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, DES_BLOCK_SIZE)) 12863ee04c8SGilad Ben-Yossef return 0; 12963ee04c8SGilad Ben-Yossef break; 1309b8d51f8SGilad Ben-Yossef case S_DIN_to_SM4: 1319b8d51f8SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 1329b8d51f8SGilad Ben-Yossef case DRV_CIPHER_CTR: 1339b8d51f8SGilad Ben-Yossef return 0; 1349b8d51f8SGilad Ben-Yossef case DRV_CIPHER_ECB: 1359b8d51f8SGilad Ben-Yossef case DRV_CIPHER_CBC: 1369b8d51f8SGilad Ben-Yossef if (IS_ALIGNED(size, SM4_BLOCK_SIZE)) 1379b8d51f8SGilad Ben-Yossef return 0; 1389b8d51f8SGilad Ben-Yossef default: 1399b8d51f8SGilad Ben-Yossef break; 1409b8d51f8SGilad Ben-Yossef } 14163ee04c8SGilad Ben-Yossef default: 14263ee04c8SGilad Ben-Yossef break; 14363ee04c8SGilad Ben-Yossef } 14463ee04c8SGilad Ben-Yossef return -EINVAL; 14563ee04c8SGilad Ben-Yossef } 14663ee04c8SGilad Ben-Yossef 14763ee04c8SGilad Ben-Yossef static int cc_cipher_init(struct crypto_tfm *tfm) 14863ee04c8SGilad Ben-Yossef { 14963ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 15063ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 15163ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 15263ee04c8SGilad Ben-Yossef skcipher_alg.base); 15363ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(cc_alg->drvdata); 15463ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 15563ee04c8SGilad Ben-Yossef int rc = 0; 15663ee04c8SGilad Ben-Yossef 15763ee04c8SGilad Ben-Yossef dev_dbg(dev, "Initializing context @%p for %s\n", ctx_p, 15863ee04c8SGilad Ben-Yossef crypto_tfm_alg_name(tfm)); 15963ee04c8SGilad Ben-Yossef 16063ee04c8SGilad Ben-Yossef crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm), 16163ee04c8SGilad Ben-Yossef sizeof(struct cipher_req_ctx)); 16263ee04c8SGilad Ben-Yossef 16363ee04c8SGilad Ben-Yossef ctx_p->cipher_mode = cc_alg->cipher_mode; 16463ee04c8SGilad Ben-Yossef ctx_p->flow_mode = cc_alg->flow_mode; 16563ee04c8SGilad Ben-Yossef ctx_p->drvdata = cc_alg->drvdata; 16663ee04c8SGilad Ben-Yossef 16763ee04c8SGilad Ben-Yossef /* Allocate key buffer, cache line aligned */ 16863ee04c8SGilad Ben-Yossef ctx_p->user.key = kmalloc(max_key_buf_size, GFP_KERNEL); 16963ee04c8SGilad Ben-Yossef if (!ctx_p->user.key) 17063ee04c8SGilad Ben-Yossef return -ENOMEM; 17163ee04c8SGilad Ben-Yossef 17263ee04c8SGilad Ben-Yossef dev_dbg(dev, "Allocated key buffer in context. key=@%p\n", 17363ee04c8SGilad Ben-Yossef ctx_p->user.key); 17463ee04c8SGilad Ben-Yossef 17563ee04c8SGilad Ben-Yossef /* Map key buffer */ 17663ee04c8SGilad Ben-Yossef ctx_p->user.key_dma_addr = dma_map_single(dev, (void *)ctx_p->user.key, 17763ee04c8SGilad Ben-Yossef max_key_buf_size, 17863ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 17963ee04c8SGilad Ben-Yossef if (dma_mapping_error(dev, ctx_p->user.key_dma_addr)) { 18063ee04c8SGilad Ben-Yossef dev_err(dev, "Mapping Key %u B at va=%pK for DMA failed\n", 18163ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key); 18263ee04c8SGilad Ben-Yossef return -ENOMEM; 18363ee04c8SGilad Ben-Yossef } 18463ee04c8SGilad Ben-Yossef dev_dbg(dev, "Mapped key %u B at va=%pK to dma=%pad\n", 18563ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key, &ctx_p->user.key_dma_addr); 18663ee04c8SGilad Ben-Yossef 18763ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 18863ee04c8SGilad Ben-Yossef /* Alloc hash tfm for essiv */ 18963ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = crypto_alloc_shash("sha256-generic", 0, 0); 19063ee04c8SGilad Ben-Yossef if (IS_ERR(ctx_p->shash_tfm)) { 19163ee04c8SGilad Ben-Yossef dev_err(dev, "Error allocating hash tfm for ESSIV.\n"); 19263ee04c8SGilad Ben-Yossef return PTR_ERR(ctx_p->shash_tfm); 19363ee04c8SGilad Ben-Yossef } 19463ee04c8SGilad Ben-Yossef } 19563ee04c8SGilad Ben-Yossef 19663ee04c8SGilad Ben-Yossef return rc; 19763ee04c8SGilad Ben-Yossef } 19863ee04c8SGilad Ben-Yossef 19963ee04c8SGilad Ben-Yossef static void cc_cipher_exit(struct crypto_tfm *tfm) 20063ee04c8SGilad Ben-Yossef { 20163ee04c8SGilad Ben-Yossef struct crypto_alg *alg = tfm->__crt_alg; 20263ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 20363ee04c8SGilad Ben-Yossef container_of(alg, struct cc_crypto_alg, 20463ee04c8SGilad Ben-Yossef skcipher_alg.base); 20563ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 20663ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 20763ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 20863ee04c8SGilad Ben-Yossef 20963ee04c8SGilad Ben-Yossef dev_dbg(dev, "Clearing context @%p for %s\n", 21063ee04c8SGilad Ben-Yossef crypto_tfm_ctx(tfm), crypto_tfm_alg_name(tfm)); 21163ee04c8SGilad Ben-Yossef 21263ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 21363ee04c8SGilad Ben-Yossef /* Free hash tfm for essiv */ 21463ee04c8SGilad Ben-Yossef crypto_free_shash(ctx_p->shash_tfm); 21563ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = NULL; 21663ee04c8SGilad Ben-Yossef } 21763ee04c8SGilad Ben-Yossef 21863ee04c8SGilad Ben-Yossef /* Unmap key buffer */ 21963ee04c8SGilad Ben-Yossef dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size, 22063ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 22163ee04c8SGilad Ben-Yossef dev_dbg(dev, "Unmapped key buffer key_dma_addr=%pad\n", 22263ee04c8SGilad Ben-Yossef &ctx_p->user.key_dma_addr); 22363ee04c8SGilad Ben-Yossef 22463ee04c8SGilad Ben-Yossef /* Free key buffer in context */ 22563ee04c8SGilad Ben-Yossef kzfree(ctx_p->user.key); 22663ee04c8SGilad Ben-Yossef dev_dbg(dev, "Free key buffer in context. key=@%p\n", ctx_p->user.key); 22763ee04c8SGilad Ben-Yossef } 22863ee04c8SGilad Ben-Yossef 22963ee04c8SGilad Ben-Yossef struct tdes_keys { 23063ee04c8SGilad Ben-Yossef u8 key1[DES_KEY_SIZE]; 23163ee04c8SGilad Ben-Yossef u8 key2[DES_KEY_SIZE]; 23263ee04c8SGilad Ben-Yossef u8 key3[DES_KEY_SIZE]; 23363ee04c8SGilad Ben-Yossef }; 23463ee04c8SGilad Ben-Yossef 235a794d8d8SGilad Ben-Yossef static enum cc_hw_crypto_key cc_slot_to_hw_key(int slot_num) 23663ee04c8SGilad Ben-Yossef { 23763ee04c8SGilad Ben-Yossef switch (slot_num) { 23863ee04c8SGilad Ben-Yossef case 0: 23963ee04c8SGilad Ben-Yossef return KFDE0_KEY; 24063ee04c8SGilad Ben-Yossef case 1: 24163ee04c8SGilad Ben-Yossef return KFDE1_KEY; 24263ee04c8SGilad Ben-Yossef case 2: 24363ee04c8SGilad Ben-Yossef return KFDE2_KEY; 24463ee04c8SGilad Ben-Yossef case 3: 24563ee04c8SGilad Ben-Yossef return KFDE3_KEY; 24663ee04c8SGilad Ben-Yossef } 24763ee04c8SGilad Ben-Yossef return END_OF_KEYS; 24863ee04c8SGilad Ben-Yossef } 24963ee04c8SGilad Ben-Yossef 250a794d8d8SGilad Ben-Yossef static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key, 251a794d8d8SGilad Ben-Yossef unsigned int keylen) 252a794d8d8SGilad Ben-Yossef { 253a794d8d8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 254a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 255a794d8d8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 256a794d8d8SGilad Ben-Yossef struct cc_hkey_info hki; 257a794d8d8SGilad Ben-Yossef 258a794d8d8SGilad Ben-Yossef dev_dbg(dev, "Setting HW key in context @%p for %s. keylen=%u\n", 259a794d8d8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 260a794d8d8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 261a794d8d8SGilad Ben-Yossef 262a794d8d8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 263a794d8d8SGilad Ben-Yossef 264a794d8d8SGilad Ben-Yossef /* This check the size of the hardware key token */ 265a794d8d8SGilad Ben-Yossef if (keylen != sizeof(hki)) { 266a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported HW key size %d.\n", keylen); 267a794d8d8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 268a794d8d8SGilad Ben-Yossef return -EINVAL; 269a794d8d8SGilad Ben-Yossef } 270a794d8d8SGilad Ben-Yossef 271a794d8d8SGilad Ben-Yossef if (ctx_p->flow_mode != S_DIN_to_AES) { 272a794d8d8SGilad Ben-Yossef dev_err(dev, "HW key not supported for non-AES flows\n"); 273a794d8d8SGilad Ben-Yossef return -EINVAL; 274a794d8d8SGilad Ben-Yossef } 275a794d8d8SGilad Ben-Yossef 276a794d8d8SGilad Ben-Yossef memcpy(&hki, key, keylen); 277a794d8d8SGilad Ben-Yossef 278a794d8d8SGilad Ben-Yossef /* The real key len for crypto op is the size of the HW key 279a794d8d8SGilad Ben-Yossef * referenced by the HW key slot, not the hardware key token 280a794d8d8SGilad Ben-Yossef */ 281a794d8d8SGilad Ben-Yossef keylen = hki.keylen; 282a794d8d8SGilad Ben-Yossef 283a794d8d8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 284a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported key size %d.\n", keylen); 285a794d8d8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 286a794d8d8SGilad Ben-Yossef return -EINVAL; 287a794d8d8SGilad Ben-Yossef } 288a794d8d8SGilad Ben-Yossef 289a794d8d8SGilad Ben-Yossef ctx_p->hw.key1_slot = cc_slot_to_hw_key(hki.hw_key1); 290a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key1_slot == END_OF_KEYS) { 291a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported hw key1 number (%d)\n", hki.hw_key1); 292a794d8d8SGilad Ben-Yossef return -EINVAL; 293a794d8d8SGilad Ben-Yossef } 294a794d8d8SGilad Ben-Yossef 295a794d8d8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 296a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 297a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) { 298a794d8d8SGilad Ben-Yossef if (hki.hw_key1 == hki.hw_key2) { 299a794d8d8SGilad Ben-Yossef dev_err(dev, "Illegal hw key numbers (%d,%d)\n", 300a794d8d8SGilad Ben-Yossef hki.hw_key1, hki.hw_key2); 301a794d8d8SGilad Ben-Yossef return -EINVAL; 302a794d8d8SGilad Ben-Yossef } 303a794d8d8SGilad Ben-Yossef ctx_p->hw.key2_slot = cc_slot_to_hw_key(hki.hw_key2); 304a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key2_slot == END_OF_KEYS) { 305a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported hw key2 number (%d)\n", 306a794d8d8SGilad Ben-Yossef hki.hw_key2); 307a794d8d8SGilad Ben-Yossef return -EINVAL; 308a794d8d8SGilad Ben-Yossef } 309a794d8d8SGilad Ben-Yossef } 310a794d8d8SGilad Ben-Yossef 311a794d8d8SGilad Ben-Yossef ctx_p->keylen = keylen; 312a794d8d8SGilad Ben-Yossef ctx_p->hw_key = true; 313a794d8d8SGilad Ben-Yossef dev_dbg(dev, "cc_is_hw_key ret 0"); 314a794d8d8SGilad Ben-Yossef 315a794d8d8SGilad Ben-Yossef return 0; 316a794d8d8SGilad Ben-Yossef } 317a794d8d8SGilad Ben-Yossef 31863ee04c8SGilad Ben-Yossef static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, 31963ee04c8SGilad Ben-Yossef unsigned int keylen) 32063ee04c8SGilad Ben-Yossef { 32163ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 32263ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 32363ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 32463ee04c8SGilad Ben-Yossef u32 tmp[DES3_EDE_EXPKEY_WORDS]; 32563ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 32663ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 32763ee04c8SGilad Ben-Yossef skcipher_alg.base); 32863ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 32963ee04c8SGilad Ben-Yossef 33063ee04c8SGilad Ben-Yossef dev_dbg(dev, "Setting key in context @%p for %s. keylen=%u\n", 33163ee04c8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 33263ee04c8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 33363ee04c8SGilad Ben-Yossef 33463ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 33563ee04c8SGilad Ben-Yossef 33663ee04c8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 33763ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported key size %d.\n", keylen); 33863ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 33963ee04c8SGilad Ben-Yossef return -EINVAL; 34063ee04c8SGilad Ben-Yossef } 34163ee04c8SGilad Ben-Yossef 342a794d8d8SGilad Ben-Yossef ctx_p->hw_key = false; 34363ee04c8SGilad Ben-Yossef 34463ee04c8SGilad Ben-Yossef /* 34563ee04c8SGilad Ben-Yossef * Verify DES weak keys 34663ee04c8SGilad Ben-Yossef * Note that we're dropping the expanded key since the 34763ee04c8SGilad Ben-Yossef * HW does the expansion on its own. 34863ee04c8SGilad Ben-Yossef */ 34963ee04c8SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_DES) { 35063ee04c8SGilad Ben-Yossef if (keylen == DES3_EDE_KEY_SIZE && 35163ee04c8SGilad Ben-Yossef __des3_ede_setkey(tmp, &tfm->crt_flags, key, 35263ee04c8SGilad Ben-Yossef DES3_EDE_KEY_SIZE)) { 35363ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak 3DES key"); 35463ee04c8SGilad Ben-Yossef return -EINVAL; 35563ee04c8SGilad Ben-Yossef } else if (!des_ekey(tmp, key) && 356231baecdSEric Biggers (crypto_tfm_get_flags(tfm) & 357231baecdSEric Biggers CRYPTO_TFM_REQ_FORBID_WEAK_KEYS)) { 35863ee04c8SGilad Ben-Yossef tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; 35963ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak DES key"); 36063ee04c8SGilad Ben-Yossef return -EINVAL; 36163ee04c8SGilad Ben-Yossef } 36263ee04c8SGilad Ben-Yossef } 36363ee04c8SGilad Ben-Yossef 36463ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS && 36563ee04c8SGilad Ben-Yossef xts_check_key(tfm, key, keylen)) { 36663ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak XTS key"); 36763ee04c8SGilad Ben-Yossef return -EINVAL; 36863ee04c8SGilad Ben-Yossef } 36963ee04c8SGilad Ben-Yossef 37063ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Copy key to ctx */ 37163ee04c8SGilad Ben-Yossef dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr, 37263ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 37363ee04c8SGilad Ben-Yossef 37463ee04c8SGilad Ben-Yossef memcpy(ctx_p->user.key, key, keylen); 37563ee04c8SGilad Ben-Yossef if (keylen == 24) 37663ee04c8SGilad Ben-Yossef memset(ctx_p->user.key + 24, 0, CC_AES_KEY_SIZE_MAX - 24); 37763ee04c8SGilad Ben-Yossef 37863ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 37963ee04c8SGilad Ben-Yossef /* sha256 for key2 - use sw implementation */ 38063ee04c8SGilad Ben-Yossef int key_len = keylen >> 1; 38163ee04c8SGilad Ben-Yossef int err; 38263ee04c8SGilad Ben-Yossef 38363ee04c8SGilad Ben-Yossef SHASH_DESC_ON_STACK(desc, ctx_p->shash_tfm); 38463ee04c8SGilad Ben-Yossef 38563ee04c8SGilad Ben-Yossef desc->tfm = ctx_p->shash_tfm; 38663ee04c8SGilad Ben-Yossef 38763ee04c8SGilad Ben-Yossef err = crypto_shash_digest(desc, ctx_p->user.key, key_len, 38863ee04c8SGilad Ben-Yossef ctx_p->user.key + key_len); 38963ee04c8SGilad Ben-Yossef if (err) { 39063ee04c8SGilad Ben-Yossef dev_err(dev, "Failed to hash ESSIV key.\n"); 39163ee04c8SGilad Ben-Yossef return err; 39263ee04c8SGilad Ben-Yossef } 39363ee04c8SGilad Ben-Yossef } 39463ee04c8SGilad Ben-Yossef dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr, 39563ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 39663ee04c8SGilad Ben-Yossef ctx_p->keylen = keylen; 39763ee04c8SGilad Ben-Yossef 39863ee04c8SGilad Ben-Yossef dev_dbg(dev, "return safely"); 39963ee04c8SGilad Ben-Yossef return 0; 40063ee04c8SGilad Ben-Yossef } 40163ee04c8SGilad Ben-Yossef 40263ee04c8SGilad Ben-Yossef static void cc_setup_cipher_desc(struct crypto_tfm *tfm, 40363ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 40463ee04c8SGilad Ben-Yossef unsigned int ivsize, unsigned int nbytes, 40563ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[], 40663ee04c8SGilad Ben-Yossef unsigned int *seq_size) 40763ee04c8SGilad Ben-Yossef { 40863ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 40963ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 41063ee04c8SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 41163ee04c8SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 41263ee04c8SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 41363ee04c8SGilad Ben-Yossef dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 41463ee04c8SGilad Ben-Yossef unsigned int key_len = ctx_p->keylen; 41563ee04c8SGilad Ben-Yossef dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 41663ee04c8SGilad Ben-Yossef unsigned int du_size = nbytes; 41763ee04c8SGilad Ben-Yossef 41863ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 41963ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 42063ee04c8SGilad Ben-Yossef skcipher_alg.base); 42163ee04c8SGilad Ben-Yossef 42263ee04c8SGilad Ben-Yossef if (cc_alg->data_unit) 42363ee04c8SGilad Ben-Yossef du_size = cc_alg->data_unit; 42463ee04c8SGilad Ben-Yossef 42563ee04c8SGilad Ben-Yossef switch (cipher_mode) { 42663ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 42763ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 42863ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 42963ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 43063ee04c8SGilad Ben-Yossef /* Load cipher state */ 43163ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 43263ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, ivsize, 43363ee04c8SGilad Ben-Yossef NS_BIT); 43463ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 43563ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 43663ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 43763ee04c8SGilad Ben-Yossef if (cipher_mode == DRV_CIPHER_CTR || 43863ee04c8SGilad Ben-Yossef cipher_mode == DRV_CIPHER_OFB) { 43963ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 44063ee04c8SGilad Ben-Yossef } else { 44163ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0); 44263ee04c8SGilad Ben-Yossef } 44363ee04c8SGilad Ben-Yossef (*seq_size)++; 44463ee04c8SGilad Ben-Yossef /*FALLTHROUGH*/ 44563ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 44663ee04c8SGilad Ben-Yossef /* Load key */ 44763ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 44863ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 44963ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 45063ee04c8SGilad Ben-Yossef if (flow_mode == S_DIN_to_AES) { 45163ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 45263ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 45363ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 45463ee04c8SGilad Ben-Yossef } else { 45563ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 45663ee04c8SGilad Ben-Yossef key_dma_addr, ((key_len == 24) ? 45763ee04c8SGilad Ben-Yossef AES_MAX_KEY_SIZE : 45863ee04c8SGilad Ben-Yossef key_len), NS_BIT); 45963ee04c8SGilad Ben-Yossef } 46063ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 46163ee04c8SGilad Ben-Yossef } else { 46263ee04c8SGilad Ben-Yossef /*des*/ 46363ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 46463ee04c8SGilad Ben-Yossef key_len, NS_BIT); 46563ee04c8SGilad Ben-Yossef set_key_size_des(&desc[*seq_size], key_len); 46663ee04c8SGilad Ben-Yossef } 46763ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 46863ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 46963ee04c8SGilad Ben-Yossef (*seq_size)++; 47063ee04c8SGilad Ben-Yossef break; 47163ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 47263ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 47363ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 47463ee04c8SGilad Ben-Yossef /* Load AES key */ 47563ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 47663ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 47763ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 47863ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 47963ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 48063ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 48163ee04c8SGilad Ben-Yossef } else { 48263ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 48363ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 48463ee04c8SGilad Ben-Yossef } 48563ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 48663ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 48763ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 48863ee04c8SGilad Ben-Yossef (*seq_size)++; 48963ee04c8SGilad Ben-Yossef 49063ee04c8SGilad Ben-Yossef /* load XEX key */ 49163ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 49263ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 49363ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 49463ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 49563ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 49663ee04c8SGilad Ben-Yossef ctx_p->hw.key2_slot); 49763ee04c8SGilad Ben-Yossef } else { 49863ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 49963ee04c8SGilad Ben-Yossef (key_dma_addr + (key_len / 2)), 50063ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 50163ee04c8SGilad Ben-Yossef } 50263ee04c8SGilad Ben-Yossef set_xex_data_unit_size(&desc[*seq_size], du_size); 50363ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], S_DIN_to_AES2); 50463ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 50563ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_XEX_KEY); 50663ee04c8SGilad Ben-Yossef (*seq_size)++; 50763ee04c8SGilad Ben-Yossef 50863ee04c8SGilad Ben-Yossef /* Set state */ 50963ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 51063ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 51163ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 51263ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 51363ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 51463ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 51563ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, 51663ee04c8SGilad Ben-Yossef CC_AES_BLOCK_SIZE, NS_BIT); 51763ee04c8SGilad Ben-Yossef (*seq_size)++; 51863ee04c8SGilad Ben-Yossef break; 51963ee04c8SGilad Ben-Yossef default: 52063ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 52163ee04c8SGilad Ben-Yossef } 52263ee04c8SGilad Ben-Yossef } 52363ee04c8SGilad Ben-Yossef 52463ee04c8SGilad Ben-Yossef static void cc_setup_cipher_data(struct crypto_tfm *tfm, 52563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 52663ee04c8SGilad Ben-Yossef struct scatterlist *dst, 52763ee04c8SGilad Ben-Yossef struct scatterlist *src, unsigned int nbytes, 52863ee04c8SGilad Ben-Yossef void *areq, struct cc_hw_desc desc[], 52963ee04c8SGilad Ben-Yossef unsigned int *seq_size) 53063ee04c8SGilad Ben-Yossef { 53163ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 53263ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 53363ee04c8SGilad Ben-Yossef unsigned int flow_mode = ctx_p->flow_mode; 53463ee04c8SGilad Ben-Yossef 53563ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 53663ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 53763ee04c8SGilad Ben-Yossef flow_mode = DIN_AES_DOUT; 53863ee04c8SGilad Ben-Yossef break; 53963ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 54063ee04c8SGilad Ben-Yossef flow_mode = DIN_DES_DOUT; 54163ee04c8SGilad Ben-Yossef break; 5429b8d51f8SGilad Ben-Yossef case S_DIN_to_SM4: 5439b8d51f8SGilad Ben-Yossef flow_mode = DIN_SM4_DOUT; 5449b8d51f8SGilad Ben-Yossef break; 54563ee04c8SGilad Ben-Yossef default: 54663ee04c8SGilad Ben-Yossef dev_err(dev, "invalid flow mode, flow_mode = %d\n", flow_mode); 54763ee04c8SGilad Ben-Yossef return; 54863ee04c8SGilad Ben-Yossef } 54963ee04c8SGilad Ben-Yossef /* Process */ 55063ee04c8SGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) { 55163ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 55263ee04c8SGilad Ben-Yossef &sg_dma_address(src), nbytes); 55363ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 55463ee04c8SGilad Ben-Yossef &sg_dma_address(dst), nbytes); 55563ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 55663ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), 55763ee04c8SGilad Ben-Yossef nbytes, NS_BIT); 55863ee04c8SGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], sg_dma_address(dst), 55963ee04c8SGilad Ben-Yossef nbytes, NS_BIT, (!areq ? 0 : 1)); 56063ee04c8SGilad Ben-Yossef if (areq) 56127b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 56263ee04c8SGilad Ben-Yossef 56363ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 56463ee04c8SGilad Ben-Yossef (*seq_size)++; 56563ee04c8SGilad Ben-Yossef } else { 56663ee04c8SGilad Ben-Yossef /* bypass */ 56763ee04c8SGilad Ben-Yossef dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n", 56863ee04c8SGilad Ben-Yossef &req_ctx->mlli_params.mlli_dma_addr, 56963ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len, 57063ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 57163ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 57263ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 57363ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_dma_addr, 57463ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len, NS_BIT); 57563ee04c8SGilad Ben-Yossef set_dout_sram(&desc[*seq_size], 57663ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 57763ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len); 57863ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], BYPASS); 57963ee04c8SGilad Ben-Yossef (*seq_size)++; 58063ee04c8SGilad Ben-Yossef 58163ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 58263ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_MLLI, 58363ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 58463ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT); 58563ee04c8SGilad Ben-Yossef if (req_ctx->out_nents == 0) { 58663ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 58763ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 58863ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 58963ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 59063ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 59163ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT, 59263ee04c8SGilad Ben-Yossef (!areq ? 0 : 1)); 59363ee04c8SGilad Ben-Yossef } else { 59463ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 59563ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 59663ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr + 59763ee04c8SGilad Ben-Yossef (u32)LLI_ENTRY_BYTE_SIZE * req_ctx->in_nents); 59863ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 59963ee04c8SGilad Ben-Yossef (ctx_p->drvdata->mlli_sram_addr + 60063ee04c8SGilad Ben-Yossef (LLI_ENTRY_BYTE_SIZE * 60163ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents)), 60263ee04c8SGilad Ben-Yossef req_ctx->out_mlli_nents, NS_BIT, 60363ee04c8SGilad Ben-Yossef (!areq ? 0 : 1)); 60463ee04c8SGilad Ben-Yossef } 60563ee04c8SGilad Ben-Yossef if (areq) 60627b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 60763ee04c8SGilad Ben-Yossef 60863ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 60963ee04c8SGilad Ben-Yossef (*seq_size)++; 61063ee04c8SGilad Ben-Yossef } 61163ee04c8SGilad Ben-Yossef } 61263ee04c8SGilad Ben-Yossef 61300904aa0SGilad Ben-Yossef /* 61400904aa0SGilad Ben-Yossef * Update a CTR-AES 128 bit counter 61500904aa0SGilad Ben-Yossef */ 61600904aa0SGilad Ben-Yossef static void cc_update_ctr(u8 *ctr, unsigned int increment) 61700904aa0SGilad Ben-Yossef { 61800904aa0SGilad Ben-Yossef if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) || 61900904aa0SGilad Ben-Yossef IS_ALIGNED((unsigned long)ctr, 8)) { 62000904aa0SGilad Ben-Yossef 62100904aa0SGilad Ben-Yossef __be64 *high_be = (__be64 *)ctr; 62200904aa0SGilad Ben-Yossef __be64 *low_be = high_be + 1; 62300904aa0SGilad Ben-Yossef u64 orig_low = __be64_to_cpu(*low_be); 62400904aa0SGilad Ben-Yossef u64 new_low = orig_low + (u64)increment; 62500904aa0SGilad Ben-Yossef 62600904aa0SGilad Ben-Yossef *low_be = __cpu_to_be64(new_low); 62700904aa0SGilad Ben-Yossef 62800904aa0SGilad Ben-Yossef if (new_low < orig_low) 62900904aa0SGilad Ben-Yossef *high_be = __cpu_to_be64(__be64_to_cpu(*high_be) + 1); 63000904aa0SGilad Ben-Yossef } else { 63100904aa0SGilad Ben-Yossef u8 *pos = (ctr + AES_BLOCK_SIZE); 63200904aa0SGilad Ben-Yossef u8 val; 63300904aa0SGilad Ben-Yossef unsigned int size; 63400904aa0SGilad Ben-Yossef 63500904aa0SGilad Ben-Yossef for (; increment; increment--) 63600904aa0SGilad Ben-Yossef for (size = AES_BLOCK_SIZE; size; size--) { 63700904aa0SGilad Ben-Yossef val = *--pos + 1; 63800904aa0SGilad Ben-Yossef *pos = val; 63900904aa0SGilad Ben-Yossef if (val) 64000904aa0SGilad Ben-Yossef break; 64100904aa0SGilad Ben-Yossef } 64200904aa0SGilad Ben-Yossef } 64300904aa0SGilad Ben-Yossef } 64400904aa0SGilad Ben-Yossef 64563ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err) 64663ee04c8SGilad Ben-Yossef { 64763ee04c8SGilad Ben-Yossef struct skcipher_request *req = (struct skcipher_request *)cc_req; 64863ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 64963ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 65063ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 65100904aa0SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 65200904aa0SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 65300904aa0SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 65400904aa0SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 65500904aa0SGilad Ben-Yossef unsigned int len; 65663ee04c8SGilad Ben-Yossef 657c139c72eSGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 658c139c72eSGilad Ben-Yossef 65900904aa0SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 66000904aa0SGilad Ben-Yossef case DRV_CIPHER_CBC: 66163ee04c8SGilad Ben-Yossef /* 66263ee04c8SGilad Ben-Yossef * The crypto API expects us to set the req->iv to the last 66363ee04c8SGilad Ben-Yossef * ciphertext block. For encrypt, simply copy from the result. 66463ee04c8SGilad Ben-Yossef * For decrypt, we must copy from a saved buffer since this 66563ee04c8SGilad Ben-Yossef * could be an in-place decryption operation and the src is 66663ee04c8SGilad Ben-Yossef * lost by this point. 66763ee04c8SGilad Ben-Yossef */ 66863ee04c8SGilad Ben-Yossef if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) { 66963ee04c8SGilad Ben-Yossef memcpy(req->iv, req_ctx->backup_info, ivsize); 67063ee04c8SGilad Ben-Yossef kzfree(req_ctx->backup_info); 67163ee04c8SGilad Ben-Yossef } else if (!err) { 67200904aa0SGilad Ben-Yossef len = req->cryptlen - ivsize; 67300904aa0SGilad Ben-Yossef scatterwalk_map_and_copy(req->iv, req->dst, len, 67463ee04c8SGilad Ben-Yossef ivsize, 0); 67563ee04c8SGilad Ben-Yossef } 67600904aa0SGilad Ben-Yossef break; 67700904aa0SGilad Ben-Yossef 67800904aa0SGilad Ben-Yossef case DRV_CIPHER_CTR: 67900904aa0SGilad Ben-Yossef /* Compute the counter of the last block */ 68000904aa0SGilad Ben-Yossef len = ALIGN(req->cryptlen, AES_BLOCK_SIZE) / AES_BLOCK_SIZE; 68100904aa0SGilad Ben-Yossef cc_update_ctr((u8 *)req->iv, len); 68200904aa0SGilad Ben-Yossef break; 68300904aa0SGilad Ben-Yossef 68400904aa0SGilad Ben-Yossef default: 68500904aa0SGilad Ben-Yossef break; 68600904aa0SGilad Ben-Yossef } 68700904aa0SGilad Ben-Yossef 68800904aa0SGilad Ben-Yossef kzfree(req_ctx->iv); 68963ee04c8SGilad Ben-Yossef 69063ee04c8SGilad Ben-Yossef skcipher_request_complete(req, err); 69163ee04c8SGilad Ben-Yossef } 69263ee04c8SGilad Ben-Yossef 69363ee04c8SGilad Ben-Yossef static int cc_cipher_process(struct skcipher_request *req, 69463ee04c8SGilad Ben-Yossef enum drv_crypto_direction direction) 69563ee04c8SGilad Ben-Yossef { 69663ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 69763ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 69863ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 69963ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 70063ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 70163ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 70263ee04c8SGilad Ben-Yossef unsigned int nbytes = req->cryptlen; 70363ee04c8SGilad Ben-Yossef void *iv = req->iv; 70463ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 70563ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 70663ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[MAX_ABLKCIPHER_SEQ_LEN]; 70763ee04c8SGilad Ben-Yossef struct cc_crypto_req cc_req = {}; 70884f366daSGilad Ben-Yossef int rc; 70963ee04c8SGilad Ben-Yossef unsigned int seq_len = 0; 71063ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 71163ee04c8SGilad Ben-Yossef 71263ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s req=%p iv=%p nbytes=%d\n", 71363ee04c8SGilad Ben-Yossef ((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ? 71463ee04c8SGilad Ben-Yossef "Encrypt" : "Decrypt"), req, iv, nbytes); 71563ee04c8SGilad Ben-Yossef 71663ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 71763ee04c8SGilad Ben-Yossef 71863ee04c8SGilad Ben-Yossef /* TODO: check data length according to mode */ 71963ee04c8SGilad Ben-Yossef if (validate_data_size(ctx_p, nbytes)) { 72063ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported data size %d.\n", nbytes); 72163ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_BLOCK_LEN); 72263ee04c8SGilad Ben-Yossef rc = -EINVAL; 72363ee04c8SGilad Ben-Yossef goto exit_process; 72463ee04c8SGilad Ben-Yossef } 72563ee04c8SGilad Ben-Yossef if (nbytes == 0) { 72663ee04c8SGilad Ben-Yossef /* No data to process is valid */ 72763ee04c8SGilad Ben-Yossef rc = 0; 72863ee04c8SGilad Ben-Yossef goto exit_process; 72963ee04c8SGilad Ben-Yossef } 73063ee04c8SGilad Ben-Yossef 73163ee04c8SGilad Ben-Yossef /* The IV we are handed may be allocted from the stack so 73263ee04c8SGilad Ben-Yossef * we must copy it to a DMAable buffer before use. 73363ee04c8SGilad Ben-Yossef */ 73401745706SFengguang Wu req_ctx->iv = kmemdup(iv, ivsize, flags); 73563ee04c8SGilad Ben-Yossef if (!req_ctx->iv) { 73663ee04c8SGilad Ben-Yossef rc = -ENOMEM; 73763ee04c8SGilad Ben-Yossef goto exit_process; 73863ee04c8SGilad Ben-Yossef } 73963ee04c8SGilad Ben-Yossef 74063ee04c8SGilad Ben-Yossef /* Setup request structure */ 74163ee04c8SGilad Ben-Yossef cc_req.user_cb = (void *)cc_cipher_complete; 74263ee04c8SGilad Ben-Yossef cc_req.user_arg = (void *)req; 74363ee04c8SGilad Ben-Yossef 74463ee04c8SGilad Ben-Yossef /* Setup request context */ 74563ee04c8SGilad Ben-Yossef req_ctx->gen_ctx.op_type = direction; 74663ee04c8SGilad Ben-Yossef 74763ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Map buffers */ 74863ee04c8SGilad Ben-Yossef 74963ee04c8SGilad Ben-Yossef rc = cc_map_cipher_request(ctx_p->drvdata, req_ctx, ivsize, nbytes, 75063ee04c8SGilad Ben-Yossef req_ctx->iv, src, dst, flags); 75163ee04c8SGilad Ben-Yossef if (rc) { 75263ee04c8SGilad Ben-Yossef dev_err(dev, "map_request() failed\n"); 75363ee04c8SGilad Ben-Yossef goto exit_process; 75463ee04c8SGilad Ben-Yossef } 75563ee04c8SGilad Ben-Yossef 75663ee04c8SGilad Ben-Yossef /* STAT_PHASE_2: Create sequence */ 75763ee04c8SGilad Ben-Yossef 75863ee04c8SGilad Ben-Yossef /* Setup processing */ 75963ee04c8SGilad Ben-Yossef cc_setup_cipher_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); 76063ee04c8SGilad Ben-Yossef /* Data processing */ 76163ee04c8SGilad Ben-Yossef cc_setup_cipher_data(tfm, req_ctx, dst, src, nbytes, req, desc, 76263ee04c8SGilad Ben-Yossef &seq_len); 76363ee04c8SGilad Ben-Yossef 76463ee04c8SGilad Ben-Yossef /* STAT_PHASE_3: Lock HW and push sequence */ 76563ee04c8SGilad Ben-Yossef 76663ee04c8SGilad Ben-Yossef rc = cc_send_request(ctx_p->drvdata, &cc_req, desc, seq_len, 76763ee04c8SGilad Ben-Yossef &req->base); 76863ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 76963ee04c8SGilad Ben-Yossef /* Failed to send the request or request completed 77063ee04c8SGilad Ben-Yossef * synchronously 77163ee04c8SGilad Ben-Yossef */ 77263ee04c8SGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 77363ee04c8SGilad Ben-Yossef } 77463ee04c8SGilad Ben-Yossef 77563ee04c8SGilad Ben-Yossef exit_process: 77663ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 77763ee04c8SGilad Ben-Yossef kzfree(req_ctx->backup_info); 77863ee04c8SGilad Ben-Yossef kzfree(req_ctx->iv); 77963ee04c8SGilad Ben-Yossef } 78063ee04c8SGilad Ben-Yossef 78163ee04c8SGilad Ben-Yossef return rc; 78263ee04c8SGilad Ben-Yossef } 78363ee04c8SGilad Ben-Yossef 78463ee04c8SGilad Ben-Yossef static int cc_cipher_encrypt(struct skcipher_request *req) 78563ee04c8SGilad Ben-Yossef { 78663ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 78763ee04c8SGilad Ben-Yossef 788e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 78963ee04c8SGilad Ben-Yossef 79063ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_ENCRYPT); 79163ee04c8SGilad Ben-Yossef } 79263ee04c8SGilad Ben-Yossef 79363ee04c8SGilad Ben-Yossef static int cc_cipher_decrypt(struct skcipher_request *req) 79463ee04c8SGilad Ben-Yossef { 79563ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 79600904aa0SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 79700904aa0SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 79863ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 79963ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 80063ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 80100904aa0SGilad Ben-Yossef unsigned int len; 80263ee04c8SGilad Ben-Yossef 803e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 804e30368f3SGilad Ben-Yossef 8052b5ac174SGilad Ben-Yossef if ((ctx_p->cipher_mode == DRV_CIPHER_CBC) && 8062b5ac174SGilad Ben-Yossef (req->cryptlen >= ivsize)) { 80700904aa0SGilad Ben-Yossef 80800904aa0SGilad Ben-Yossef /* Allocate and save the last IV sized bytes of the source, 80900904aa0SGilad Ben-Yossef * which will be lost in case of in-place decryption. 81063ee04c8SGilad Ben-Yossef */ 81100904aa0SGilad Ben-Yossef req_ctx->backup_info = kzalloc(ivsize, flags); 81263ee04c8SGilad Ben-Yossef if (!req_ctx->backup_info) 81363ee04c8SGilad Ben-Yossef return -ENOMEM; 81463ee04c8SGilad Ben-Yossef 81500904aa0SGilad Ben-Yossef len = req->cryptlen - ivsize; 81600904aa0SGilad Ben-Yossef scatterwalk_map_and_copy(req_ctx->backup_info, req->src, len, 81700904aa0SGilad Ben-Yossef ivsize, 0); 81800904aa0SGilad Ben-Yossef } 81900904aa0SGilad Ben-Yossef 82063ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT); 82163ee04c8SGilad Ben-Yossef } 82263ee04c8SGilad Ben-Yossef 82363ee04c8SGilad Ben-Yossef /* Block cipher alg */ 82463ee04c8SGilad Ben-Yossef static const struct cc_alg_template skcipher_algs[] = { 82563ee04c8SGilad Ben-Yossef { 826a794d8d8SGilad Ben-Yossef .name = "xts(paes)", 827a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-ccree", 828a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 829a794d8d8SGilad Ben-Yossef .template_skcipher = { 830a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 831a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 832a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 833a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 834a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 835a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 836a794d8d8SGilad Ben-Yossef }, 837a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 838a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 839a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 8401c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 841a794d8d8SGilad Ben-Yossef }, 842a794d8d8SGilad Ben-Yossef { 843a794d8d8SGilad Ben-Yossef .name = "xts512(paes)", 844a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du512-ccree", 845a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 846a794d8d8SGilad Ben-Yossef .template_skcipher = { 847a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 848a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 849a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 850a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 851a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 852a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 853a794d8d8SGilad Ben-Yossef }, 854a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 855a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 856a794d8d8SGilad Ben-Yossef .data_unit = 512, 857a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 8581c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 859a794d8d8SGilad Ben-Yossef }, 860a794d8d8SGilad Ben-Yossef { 861a794d8d8SGilad Ben-Yossef .name = "xts4096(paes)", 862a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du4096-ccree", 863a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 864a794d8d8SGilad Ben-Yossef .template_skcipher = { 865a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 866a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 867a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 868a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 869a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 870a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 871a794d8d8SGilad Ben-Yossef }, 872a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 873a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 874a794d8d8SGilad Ben-Yossef .data_unit = 4096, 875a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 8761c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 877a794d8d8SGilad Ben-Yossef }, 878a794d8d8SGilad Ben-Yossef { 879a794d8d8SGilad Ben-Yossef .name = "essiv(paes)", 880a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-ccree", 881a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 882a794d8d8SGilad Ben-Yossef .template_skcipher = { 883a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 884a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 885a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 886a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 887a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 888a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 889a794d8d8SGilad Ben-Yossef }, 890a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 891a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 892a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 8931c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 894a794d8d8SGilad Ben-Yossef }, 895a794d8d8SGilad Ben-Yossef { 896a794d8d8SGilad Ben-Yossef .name = "essiv512(paes)", 897a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du512-ccree", 898a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 899a794d8d8SGilad Ben-Yossef .template_skcipher = { 900a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 901a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 902a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 903a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 904a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 905a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 906a794d8d8SGilad Ben-Yossef }, 907a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 908a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 909a794d8d8SGilad Ben-Yossef .data_unit = 512, 910a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 9111c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 912a794d8d8SGilad Ben-Yossef }, 913a794d8d8SGilad Ben-Yossef { 914a794d8d8SGilad Ben-Yossef .name = "essiv4096(paes)", 915a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du4096-ccree", 916a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 917a794d8d8SGilad Ben-Yossef .template_skcipher = { 918a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 919a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 920a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 921a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 922a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 923a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 924a794d8d8SGilad Ben-Yossef }, 925a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 926a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 927a794d8d8SGilad Ben-Yossef .data_unit = 4096, 928a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 9291c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 930a794d8d8SGilad Ben-Yossef }, 931a794d8d8SGilad Ben-Yossef { 932a794d8d8SGilad Ben-Yossef .name = "bitlocker(paes)", 933a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-ccree", 934a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 935a794d8d8SGilad Ben-Yossef .template_skcipher = { 936a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 937a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 938a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 939a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 940a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 941a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 942a794d8d8SGilad Ben-Yossef }, 943a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 944a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 945a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 9461c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 947a794d8d8SGilad Ben-Yossef }, 948a794d8d8SGilad Ben-Yossef { 949a794d8d8SGilad Ben-Yossef .name = "bitlocker512(paes)", 950a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du512-ccree", 951a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 952a794d8d8SGilad Ben-Yossef .template_skcipher = { 953a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 954a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 955a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 956a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 957a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 958a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 959a794d8d8SGilad Ben-Yossef }, 960a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 961a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 962a794d8d8SGilad Ben-Yossef .data_unit = 512, 963a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 9641c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 965a794d8d8SGilad Ben-Yossef }, 966a794d8d8SGilad Ben-Yossef { 967a794d8d8SGilad Ben-Yossef .name = "bitlocker4096(paes)", 968a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du4096-ccree", 969a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 970a794d8d8SGilad Ben-Yossef .template_skcipher = { 971a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 972a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 973a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 974a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 975a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 976a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 977a794d8d8SGilad Ben-Yossef }, 978a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 979a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 980a794d8d8SGilad Ben-Yossef .data_unit = 4096, 981a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 9821c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 983a794d8d8SGilad Ben-Yossef }, 984a794d8d8SGilad Ben-Yossef { 985a794d8d8SGilad Ben-Yossef .name = "ecb(paes)", 986a794d8d8SGilad Ben-Yossef .driver_name = "ecb-paes-ccree", 987a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 988a794d8d8SGilad Ben-Yossef .template_skcipher = { 989a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 990a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 991a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 992a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 993a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 994a794d8d8SGilad Ben-Yossef .ivsize = 0, 995a794d8d8SGilad Ben-Yossef }, 996a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 997a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 998a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 9991c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1000a794d8d8SGilad Ben-Yossef }, 1001a794d8d8SGilad Ben-Yossef { 1002a794d8d8SGilad Ben-Yossef .name = "cbc(paes)", 1003a794d8d8SGilad Ben-Yossef .driver_name = "cbc-paes-ccree", 1004a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1005a794d8d8SGilad Ben-Yossef .template_skcipher = { 1006a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1007a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1008a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1009a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1010a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1011a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1012a794d8d8SGilad Ben-Yossef }, 1013a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 1014a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1015a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10161c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1017a794d8d8SGilad Ben-Yossef }, 1018a794d8d8SGilad Ben-Yossef { 1019a794d8d8SGilad Ben-Yossef .name = "ofb(paes)", 1020a794d8d8SGilad Ben-Yossef .driver_name = "ofb-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_OFB, 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, 1034a794d8d8SGilad Ben-Yossef }, 1035a794d8d8SGilad Ben-Yossef { 103684f366daSGilad Ben-Yossef .name = "cts(cbc(paes))", 103784f366daSGilad Ben-Yossef .driver_name = "cts-cbc-paes-ccree", 1038a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1039a794d8d8SGilad Ben-Yossef .template_skcipher = { 1040a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1041a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1042a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1043a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1044a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1045a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1046a794d8d8SGilad Ben-Yossef }, 1047a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 1048a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1049a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10501c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1051a794d8d8SGilad Ben-Yossef }, 1052a794d8d8SGilad Ben-Yossef { 1053a794d8d8SGilad Ben-Yossef .name = "ctr(paes)", 1054a794d8d8SGilad Ben-Yossef .driver_name = "ctr-paes-ccree", 1055a794d8d8SGilad Ben-Yossef .blocksize = 1, 1056a794d8d8SGilad Ben-Yossef .template_skcipher = { 1057a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1058a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1059a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1060a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1061a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1062a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1063a794d8d8SGilad Ben-Yossef }, 1064a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1065a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1066a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 10671c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 1068a794d8d8SGilad Ben-Yossef }, 1069a794d8d8SGilad Ben-Yossef { 107063ee04c8SGilad Ben-Yossef .name = "xts(aes)", 107163ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-ccree", 107263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 107363ee04c8SGilad Ben-Yossef .template_skcipher = { 107463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 107563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 107663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 107763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 107863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 107963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 108063ee04c8SGilad Ben-Yossef }, 108163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 108263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 108327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 10841c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 108563ee04c8SGilad Ben-Yossef }, 108663ee04c8SGilad Ben-Yossef { 108763ee04c8SGilad Ben-Yossef .name = "xts512(aes)", 108863ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du512-ccree", 108963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 109063ee04c8SGilad Ben-Yossef .template_skcipher = { 109163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 109263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 109363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 109463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 109563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 109663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 109763ee04c8SGilad Ben-Yossef }, 109863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 109963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 110063ee04c8SGilad Ben-Yossef .data_unit = 512, 110127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11021c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 110363ee04c8SGilad Ben-Yossef }, 110463ee04c8SGilad Ben-Yossef { 110563ee04c8SGilad Ben-Yossef .name = "xts4096(aes)", 110663ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du4096-ccree", 110763ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 110863ee04c8SGilad Ben-Yossef .template_skcipher = { 110963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 111063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 111163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 111263ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 111363ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 111463ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 111563ee04c8SGilad Ben-Yossef }, 111663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 111763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 111863ee04c8SGilad Ben-Yossef .data_unit = 4096, 111927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11201c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 112163ee04c8SGilad Ben-Yossef }, 112263ee04c8SGilad Ben-Yossef { 112363ee04c8SGilad Ben-Yossef .name = "essiv(aes)", 112463ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-ccree", 112563ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 112663ee04c8SGilad Ben-Yossef .template_skcipher = { 112763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 112863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 112963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 113063ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 113163ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 113263ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 113363ee04c8SGilad Ben-Yossef }, 113463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 113563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 113627b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11371c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 113863ee04c8SGilad Ben-Yossef }, 113963ee04c8SGilad Ben-Yossef { 114063ee04c8SGilad Ben-Yossef .name = "essiv512(aes)", 114163ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du512-ccree", 114263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 114363ee04c8SGilad Ben-Yossef .template_skcipher = { 114463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 114563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 114663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 114763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 114863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 114963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 115063ee04c8SGilad Ben-Yossef }, 115163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 115263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 115363ee04c8SGilad Ben-Yossef .data_unit = 512, 115427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11551c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 115663ee04c8SGilad Ben-Yossef }, 115763ee04c8SGilad Ben-Yossef { 115863ee04c8SGilad Ben-Yossef .name = "essiv4096(aes)", 115963ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du4096-ccree", 116063ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 116163ee04c8SGilad Ben-Yossef .template_skcipher = { 116263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 116363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 116463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 116563ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 116663ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 116763ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 116863ee04c8SGilad Ben-Yossef }, 116963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 117063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 117163ee04c8SGilad Ben-Yossef .data_unit = 4096, 117227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11731c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 117463ee04c8SGilad Ben-Yossef }, 117563ee04c8SGilad Ben-Yossef { 117663ee04c8SGilad Ben-Yossef .name = "bitlocker(aes)", 117763ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-ccree", 117863ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 117963ee04c8SGilad Ben-Yossef .template_skcipher = { 118063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 118163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 118263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 118363ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 118463ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 118563ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 118663ee04c8SGilad Ben-Yossef }, 118763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 118863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 118927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 11901c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 119163ee04c8SGilad Ben-Yossef }, 119263ee04c8SGilad Ben-Yossef { 119363ee04c8SGilad Ben-Yossef .name = "bitlocker512(aes)", 119463ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du512-ccree", 119563ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 119663ee04c8SGilad Ben-Yossef .template_skcipher = { 119763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 119863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 119963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 120063ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 120163ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 120263ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 120363ee04c8SGilad Ben-Yossef }, 120463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 120563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 120663ee04c8SGilad Ben-Yossef .data_unit = 512, 120727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12081c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 120963ee04c8SGilad Ben-Yossef }, 121063ee04c8SGilad Ben-Yossef { 121163ee04c8SGilad Ben-Yossef .name = "bitlocker4096(aes)", 121263ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du4096-ccree", 121363ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 121463ee04c8SGilad Ben-Yossef .template_skcipher = { 121563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 121663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 121763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 121863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 121963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 122063ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 122163ee04c8SGilad Ben-Yossef }, 122263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 122363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 122463ee04c8SGilad Ben-Yossef .data_unit = 4096, 122527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 12261c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 122763ee04c8SGilad Ben-Yossef }, 122863ee04c8SGilad Ben-Yossef { 122963ee04c8SGilad Ben-Yossef .name = "ecb(aes)", 123063ee04c8SGilad Ben-Yossef .driver_name = "ecb-aes-ccree", 123163ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 123263ee04c8SGilad Ben-Yossef .template_skcipher = { 123363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 123463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 123563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 123663ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 123763ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 123863ee04c8SGilad Ben-Yossef .ivsize = 0, 123963ee04c8SGilad Ben-Yossef }, 124063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 124163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 124227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 12431c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 124463ee04c8SGilad Ben-Yossef }, 124563ee04c8SGilad Ben-Yossef { 124663ee04c8SGilad Ben-Yossef .name = "cbc(aes)", 124763ee04c8SGilad Ben-Yossef .driver_name = "cbc-aes-ccree", 124863ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 124963ee04c8SGilad Ben-Yossef .template_skcipher = { 125063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 125163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 125263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 125363ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 125463ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 125563ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 125663ee04c8SGilad Ben-Yossef }, 125763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 125863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 125927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 12601c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 126163ee04c8SGilad Ben-Yossef }, 126263ee04c8SGilad Ben-Yossef { 126363ee04c8SGilad Ben-Yossef .name = "ofb(aes)", 126463ee04c8SGilad Ben-Yossef .driver_name = "ofb-aes-ccree", 126563ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 126663ee04c8SGilad Ben-Yossef .template_skcipher = { 126763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 126863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 126963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 127063ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 127163ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 127263ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 127363ee04c8SGilad Ben-Yossef }, 127463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 127563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 127627b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 12771c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 127863ee04c8SGilad Ben-Yossef }, 127963ee04c8SGilad Ben-Yossef { 128084f366daSGilad Ben-Yossef .name = "cts(cbc(aes))", 128184f366daSGilad Ben-Yossef .driver_name = "cts-cbc-aes-ccree", 128263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 128363ee04c8SGilad Ben-Yossef .template_skcipher = { 128463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 128563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 128663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 128763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 128863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 128963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 129063ee04c8SGilad Ben-Yossef }, 129163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 129263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 129327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 12941c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 129563ee04c8SGilad Ben-Yossef }, 129663ee04c8SGilad Ben-Yossef { 129763ee04c8SGilad Ben-Yossef .name = "ctr(aes)", 129863ee04c8SGilad Ben-Yossef .driver_name = "ctr-aes-ccree", 129963ee04c8SGilad Ben-Yossef .blocksize = 1, 130063ee04c8SGilad Ben-Yossef .template_skcipher = { 130163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 130263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 130363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 130463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 130563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 130663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 130763ee04c8SGilad Ben-Yossef }, 130863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 130963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 131027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 13111c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 131263ee04c8SGilad Ben-Yossef }, 131363ee04c8SGilad Ben-Yossef { 131463ee04c8SGilad Ben-Yossef .name = "cbc(des3_ede)", 131563ee04c8SGilad Ben-Yossef .driver_name = "cbc-3des-ccree", 131663ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 131763ee04c8SGilad Ben-Yossef .template_skcipher = { 131863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 131963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 132063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 132163ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 132263ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 132363ee04c8SGilad Ben-Yossef .ivsize = DES3_EDE_BLOCK_SIZE, 132463ee04c8SGilad Ben-Yossef }, 132563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 132663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 132727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 13281c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 132963ee04c8SGilad Ben-Yossef }, 133063ee04c8SGilad Ben-Yossef { 133163ee04c8SGilad Ben-Yossef .name = "ecb(des3_ede)", 133263ee04c8SGilad Ben-Yossef .driver_name = "ecb-3des-ccree", 133363ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 133463ee04c8SGilad Ben-Yossef .template_skcipher = { 133563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 133663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 133763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 133863ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 133963ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 134063ee04c8SGilad Ben-Yossef .ivsize = 0, 134163ee04c8SGilad Ben-Yossef }, 134263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 134363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 134427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 13451c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 134663ee04c8SGilad Ben-Yossef }, 134763ee04c8SGilad Ben-Yossef { 134863ee04c8SGilad Ben-Yossef .name = "cbc(des)", 134963ee04c8SGilad Ben-Yossef .driver_name = "cbc-des-ccree", 135063ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 135163ee04c8SGilad Ben-Yossef .template_skcipher = { 135263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 135363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 135463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 135563ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 135663ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 135763ee04c8SGilad Ben-Yossef .ivsize = DES_BLOCK_SIZE, 135863ee04c8SGilad Ben-Yossef }, 135963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 136063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 136127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 13621c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 136363ee04c8SGilad Ben-Yossef }, 136463ee04c8SGilad Ben-Yossef { 136563ee04c8SGilad Ben-Yossef .name = "ecb(des)", 136663ee04c8SGilad Ben-Yossef .driver_name = "ecb-des-ccree", 136763ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 136863ee04c8SGilad Ben-Yossef .template_skcipher = { 136963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 137063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 137163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 137263ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 137363ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 137463ee04c8SGilad Ben-Yossef .ivsize = 0, 137563ee04c8SGilad Ben-Yossef }, 137663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 137763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 137827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 13791c876a90SGilad Ben-Yossef .std_body = CC_STD_NIST, 138063ee04c8SGilad Ben-Yossef }, 13819b8d51f8SGilad Ben-Yossef { 13829b8d51f8SGilad Ben-Yossef .name = "cbc(sm4)", 13839b8d51f8SGilad Ben-Yossef .driver_name = "cbc-sm4-ccree", 13849b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 13859b8d51f8SGilad Ben-Yossef .template_skcipher = { 13869b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 13879b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 13889b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 13899b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 13909b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 13919b8d51f8SGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 13929b8d51f8SGilad Ben-Yossef }, 13939b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 13949b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 13959b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 13961c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 13979b8d51f8SGilad Ben-Yossef }, 13989b8d51f8SGilad Ben-Yossef { 13999b8d51f8SGilad Ben-Yossef .name = "ecb(sm4)", 14009b8d51f8SGilad Ben-Yossef .driver_name = "ecb-sm4-ccree", 14019b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 14029b8d51f8SGilad Ben-Yossef .template_skcipher = { 14039b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 14049b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 14059b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 14069b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 14079b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 14089b8d51f8SGilad Ben-Yossef .ivsize = 0, 14099b8d51f8SGilad Ben-Yossef }, 14109b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 14119b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 14129b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 14131c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 14149b8d51f8SGilad Ben-Yossef }, 14159b8d51f8SGilad Ben-Yossef { 14169b8d51f8SGilad Ben-Yossef .name = "ctr(sm4)", 14179b8d51f8SGilad Ben-Yossef .driver_name = "ctr-sm4-ccree", 14189b8d51f8SGilad Ben-Yossef .blocksize = SM4_BLOCK_SIZE, 14199b8d51f8SGilad Ben-Yossef .template_skcipher = { 14209b8d51f8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 14219b8d51f8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 14229b8d51f8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 14239b8d51f8SGilad Ben-Yossef .min_keysize = SM4_KEY_SIZE, 14249b8d51f8SGilad Ben-Yossef .max_keysize = SM4_KEY_SIZE, 14259b8d51f8SGilad Ben-Yossef .ivsize = SM4_BLOCK_SIZE, 14269b8d51f8SGilad Ben-Yossef }, 14279b8d51f8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 14289b8d51f8SGilad Ben-Yossef .flow_mode = S_DIN_to_SM4, 14299b8d51f8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_713, 14301c876a90SGilad Ben-Yossef .std_body = CC_STD_OSCCA, 14319b8d51f8SGilad Ben-Yossef }, 143263ee04c8SGilad Ben-Yossef }; 143363ee04c8SGilad Ben-Yossef 143463ee04c8SGilad Ben-Yossef static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl, 143563ee04c8SGilad Ben-Yossef struct device *dev) 143663ee04c8SGilad Ben-Yossef { 143763ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 143863ee04c8SGilad Ben-Yossef struct skcipher_alg *alg; 143963ee04c8SGilad Ben-Yossef 144063ee04c8SGilad Ben-Yossef t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); 144163ee04c8SGilad Ben-Yossef if (!t_alg) 144263ee04c8SGilad Ben-Yossef return ERR_PTR(-ENOMEM); 144363ee04c8SGilad Ben-Yossef 144463ee04c8SGilad Ben-Yossef alg = &t_alg->skcipher_alg; 144563ee04c8SGilad Ben-Yossef 144663ee04c8SGilad Ben-Yossef memcpy(alg, &tmpl->template_skcipher, sizeof(*alg)); 144763ee04c8SGilad Ben-Yossef 144863ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name); 144963ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", 145063ee04c8SGilad Ben-Yossef tmpl->driver_name); 145163ee04c8SGilad Ben-Yossef alg->base.cra_module = THIS_MODULE; 145263ee04c8SGilad Ben-Yossef alg->base.cra_priority = CC_CRA_PRIO; 145363ee04c8SGilad Ben-Yossef alg->base.cra_blocksize = tmpl->blocksize; 145463ee04c8SGilad Ben-Yossef alg->base.cra_alignmask = 0; 145563ee04c8SGilad Ben-Yossef alg->base.cra_ctxsize = sizeof(struct cc_cipher_ctx); 145663ee04c8SGilad Ben-Yossef 145763ee04c8SGilad Ben-Yossef alg->base.cra_init = cc_cipher_init; 145863ee04c8SGilad Ben-Yossef alg->base.cra_exit = cc_cipher_exit; 14592c95e6d9SEric Biggers alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; 146063ee04c8SGilad Ben-Yossef 146163ee04c8SGilad Ben-Yossef t_alg->cipher_mode = tmpl->cipher_mode; 146263ee04c8SGilad Ben-Yossef t_alg->flow_mode = tmpl->flow_mode; 146363ee04c8SGilad Ben-Yossef t_alg->data_unit = tmpl->data_unit; 146463ee04c8SGilad Ben-Yossef 146563ee04c8SGilad Ben-Yossef return t_alg; 146663ee04c8SGilad Ben-Yossef } 146763ee04c8SGilad Ben-Yossef 146863ee04c8SGilad Ben-Yossef int cc_cipher_free(struct cc_drvdata *drvdata) 146963ee04c8SGilad Ben-Yossef { 147063ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg, *n; 147163ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle = drvdata->cipher_handle; 147263ee04c8SGilad Ben-Yossef 147363ee04c8SGilad Ben-Yossef if (cipher_handle) { 147463ee04c8SGilad Ben-Yossef /* Remove registered algs */ 147563ee04c8SGilad Ben-Yossef list_for_each_entry_safe(t_alg, n, &cipher_handle->alg_list, 147663ee04c8SGilad Ben-Yossef entry) { 147763ee04c8SGilad Ben-Yossef crypto_unregister_skcipher(&t_alg->skcipher_alg); 147863ee04c8SGilad Ben-Yossef list_del(&t_alg->entry); 147963ee04c8SGilad Ben-Yossef kfree(t_alg); 148063ee04c8SGilad Ben-Yossef } 148163ee04c8SGilad Ben-Yossef kfree(cipher_handle); 148263ee04c8SGilad Ben-Yossef drvdata->cipher_handle = NULL; 148363ee04c8SGilad Ben-Yossef } 148463ee04c8SGilad Ben-Yossef return 0; 148563ee04c8SGilad Ben-Yossef } 148663ee04c8SGilad Ben-Yossef 148763ee04c8SGilad Ben-Yossef int cc_cipher_alloc(struct cc_drvdata *drvdata) 148863ee04c8SGilad Ben-Yossef { 148963ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle; 149063ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 149163ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(drvdata); 149263ee04c8SGilad Ben-Yossef int rc = -ENOMEM; 149363ee04c8SGilad Ben-Yossef int alg; 149463ee04c8SGilad Ben-Yossef 149563ee04c8SGilad Ben-Yossef cipher_handle = kmalloc(sizeof(*cipher_handle), GFP_KERNEL); 149663ee04c8SGilad Ben-Yossef if (!cipher_handle) 149763ee04c8SGilad Ben-Yossef return -ENOMEM; 149863ee04c8SGilad Ben-Yossef 149963ee04c8SGilad Ben-Yossef INIT_LIST_HEAD(&cipher_handle->alg_list); 150063ee04c8SGilad Ben-Yossef drvdata->cipher_handle = cipher_handle; 150163ee04c8SGilad Ben-Yossef 150263ee04c8SGilad Ben-Yossef /* Linux crypto */ 150363ee04c8SGilad Ben-Yossef dev_dbg(dev, "Number of algorithms = %zu\n", 150463ee04c8SGilad Ben-Yossef ARRAY_SIZE(skcipher_algs)); 150563ee04c8SGilad Ben-Yossef for (alg = 0; alg < ARRAY_SIZE(skcipher_algs); alg++) { 15061c876a90SGilad Ben-Yossef if ((skcipher_algs[alg].min_hw_rev > drvdata->hw_rev) || 15071c876a90SGilad Ben-Yossef !(drvdata->std_bodies & skcipher_algs[alg].std_body)) 150827b3b22dSGilad Ben-Yossef continue; 150927b3b22dSGilad Ben-Yossef 151063ee04c8SGilad Ben-Yossef dev_dbg(dev, "creating %s\n", skcipher_algs[alg].driver_name); 151163ee04c8SGilad Ben-Yossef t_alg = cc_create_alg(&skcipher_algs[alg], dev); 151263ee04c8SGilad Ben-Yossef if (IS_ERR(t_alg)) { 151363ee04c8SGilad Ben-Yossef rc = PTR_ERR(t_alg); 151463ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg allocation failed\n", 151563ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 151663ee04c8SGilad Ben-Yossef goto fail0; 151763ee04c8SGilad Ben-Yossef } 151863ee04c8SGilad Ben-Yossef t_alg->drvdata = drvdata; 151963ee04c8SGilad Ben-Yossef 152063ee04c8SGilad Ben-Yossef dev_dbg(dev, "registering %s\n", 152163ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 152263ee04c8SGilad Ben-Yossef rc = crypto_register_skcipher(&t_alg->skcipher_alg); 152363ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s alg registration rc = %x\n", 152463ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name, rc); 152563ee04c8SGilad Ben-Yossef if (rc) { 152663ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg registration failed\n", 152763ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 152863ee04c8SGilad Ben-Yossef kfree(t_alg); 152963ee04c8SGilad Ben-Yossef goto fail0; 153063ee04c8SGilad Ben-Yossef } else { 153163ee04c8SGilad Ben-Yossef list_add_tail(&t_alg->entry, 153263ee04c8SGilad Ben-Yossef &cipher_handle->alg_list); 153363ee04c8SGilad Ben-Yossef dev_dbg(dev, "Registered %s\n", 153463ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 153563ee04c8SGilad Ben-Yossef } 153663ee04c8SGilad Ben-Yossef } 153763ee04c8SGilad Ben-Yossef return 0; 153863ee04c8SGilad Ben-Yossef 153963ee04c8SGilad Ben-Yossef fail0: 154063ee04c8SGilad Ben-Yossef cc_cipher_free(drvdata); 154163ee04c8SGilad Ben-Yossef return rc; 154263ee04c8SGilad Ben-Yossef } 1543