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> 1063ee04c8SGilad Ben-Yossef #include <crypto/scatterwalk.h> 1163ee04c8SGilad Ben-Yossef 1263ee04c8SGilad Ben-Yossef #include "cc_driver.h" 1363ee04c8SGilad Ben-Yossef #include "cc_lli_defs.h" 1463ee04c8SGilad Ben-Yossef #include "cc_buffer_mgr.h" 1563ee04c8SGilad Ben-Yossef #include "cc_cipher.h" 1663ee04c8SGilad Ben-Yossef #include "cc_request_mgr.h" 1763ee04c8SGilad Ben-Yossef 1863ee04c8SGilad Ben-Yossef #define MAX_ABLKCIPHER_SEQ_LEN 6 1963ee04c8SGilad Ben-Yossef 2063ee04c8SGilad Ben-Yossef #define template_skcipher template_u.skcipher 2163ee04c8SGilad Ben-Yossef 2263ee04c8SGilad Ben-Yossef struct cc_cipher_handle { 2363ee04c8SGilad Ben-Yossef struct list_head alg_list; 2463ee04c8SGilad Ben-Yossef }; 2563ee04c8SGilad Ben-Yossef 2663ee04c8SGilad Ben-Yossef struct cc_user_key_info { 2763ee04c8SGilad Ben-Yossef u8 *key; 2863ee04c8SGilad Ben-Yossef dma_addr_t key_dma_addr; 2963ee04c8SGilad Ben-Yossef }; 3063ee04c8SGilad Ben-Yossef 3163ee04c8SGilad Ben-Yossef struct cc_hw_key_info { 3263ee04c8SGilad Ben-Yossef enum cc_hw_crypto_key key1_slot; 3363ee04c8SGilad Ben-Yossef enum cc_hw_crypto_key key2_slot; 3463ee04c8SGilad Ben-Yossef }; 3563ee04c8SGilad Ben-Yossef 3663ee04c8SGilad Ben-Yossef struct cc_cipher_ctx { 3763ee04c8SGilad Ben-Yossef struct cc_drvdata *drvdata; 3863ee04c8SGilad Ben-Yossef int keylen; 3963ee04c8SGilad Ben-Yossef int key_round_number; 4063ee04c8SGilad Ben-Yossef int cipher_mode; 4163ee04c8SGilad Ben-Yossef int flow_mode; 4263ee04c8SGilad Ben-Yossef unsigned int flags; 43a794d8d8SGilad Ben-Yossef bool hw_key; 4463ee04c8SGilad Ben-Yossef struct cc_user_key_info user; 4563ee04c8SGilad Ben-Yossef struct cc_hw_key_info hw; 4663ee04c8SGilad Ben-Yossef struct crypto_shash *shash_tfm; 4763ee04c8SGilad Ben-Yossef }; 4863ee04c8SGilad Ben-Yossef 4963ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err); 5063ee04c8SGilad Ben-Yossef 51a794d8d8SGilad Ben-Yossef static inline bool cc_is_hw_key(struct crypto_tfm *tfm) 52a794d8d8SGilad Ben-Yossef { 53a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 54a794d8d8SGilad Ben-Yossef 55a794d8d8SGilad Ben-Yossef return ctx_p->hw_key; 56a794d8d8SGilad Ben-Yossef } 57a794d8d8SGilad Ben-Yossef 5863ee04c8SGilad Ben-Yossef static int validate_keys_sizes(struct cc_cipher_ctx *ctx_p, u32 size) 5963ee04c8SGilad Ben-Yossef { 6063ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 6163ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 6263ee04c8SGilad Ben-Yossef switch (size) { 6363ee04c8SGilad Ben-Yossef case CC_AES_128_BIT_KEY_SIZE: 6463ee04c8SGilad Ben-Yossef case CC_AES_192_BIT_KEY_SIZE: 6563ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode != DRV_CIPHER_XTS && 6663ee04c8SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_ESSIV && 6763ee04c8SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_BITLOCKER) 6863ee04c8SGilad Ben-Yossef return 0; 6963ee04c8SGilad Ben-Yossef break; 7063ee04c8SGilad Ben-Yossef case CC_AES_256_BIT_KEY_SIZE: 7163ee04c8SGilad Ben-Yossef return 0; 7263ee04c8SGilad Ben-Yossef case (CC_AES_192_BIT_KEY_SIZE * 2): 7363ee04c8SGilad Ben-Yossef case (CC_AES_256_BIT_KEY_SIZE * 2): 7463ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 7563ee04c8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 7663ee04c8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) 7763ee04c8SGilad Ben-Yossef return 0; 7863ee04c8SGilad Ben-Yossef break; 7963ee04c8SGilad Ben-Yossef default: 8063ee04c8SGilad Ben-Yossef break; 8163ee04c8SGilad Ben-Yossef } 8263ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 8363ee04c8SGilad Ben-Yossef if (size == DES3_EDE_KEY_SIZE || size == DES_KEY_SIZE) 8463ee04c8SGilad Ben-Yossef return 0; 8563ee04c8SGilad Ben-Yossef break; 8663ee04c8SGilad Ben-Yossef default: 8763ee04c8SGilad Ben-Yossef break; 8863ee04c8SGilad Ben-Yossef } 8963ee04c8SGilad Ben-Yossef return -EINVAL; 9063ee04c8SGilad Ben-Yossef } 9163ee04c8SGilad Ben-Yossef 9263ee04c8SGilad Ben-Yossef static int validate_data_size(struct cc_cipher_ctx *ctx_p, 9363ee04c8SGilad Ben-Yossef unsigned int size) 9463ee04c8SGilad Ben-Yossef { 9563ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 9663ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 9763ee04c8SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 9863ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 99f53ad3e1SGilad Ben-Yossef if (size >= AES_BLOCK_SIZE && 10063ee04c8SGilad Ben-Yossef IS_ALIGNED(size, AES_BLOCK_SIZE)) 10163ee04c8SGilad Ben-Yossef return 0; 10263ee04c8SGilad Ben-Yossef break; 10363ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 10463ee04c8SGilad Ben-Yossef if (size >= AES_BLOCK_SIZE) 10563ee04c8SGilad Ben-Yossef return 0; 10663ee04c8SGilad Ben-Yossef break; 10763ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 10863ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 10963ee04c8SGilad Ben-Yossef return 0; 11063ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 11163ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 11263ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 11363ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 11463ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, AES_BLOCK_SIZE)) 11563ee04c8SGilad Ben-Yossef return 0; 11663ee04c8SGilad Ben-Yossef break; 11763ee04c8SGilad Ben-Yossef default: 11863ee04c8SGilad Ben-Yossef break; 11963ee04c8SGilad Ben-Yossef } 12063ee04c8SGilad Ben-Yossef break; 12163ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 12263ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, DES_BLOCK_SIZE)) 12363ee04c8SGilad Ben-Yossef return 0; 12463ee04c8SGilad Ben-Yossef break; 12563ee04c8SGilad Ben-Yossef default: 12663ee04c8SGilad Ben-Yossef break; 12763ee04c8SGilad Ben-Yossef } 12863ee04c8SGilad Ben-Yossef return -EINVAL; 12963ee04c8SGilad Ben-Yossef } 13063ee04c8SGilad Ben-Yossef 13163ee04c8SGilad Ben-Yossef static int cc_cipher_init(struct crypto_tfm *tfm) 13263ee04c8SGilad Ben-Yossef { 13363ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 13463ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 13563ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 13663ee04c8SGilad Ben-Yossef skcipher_alg.base); 13763ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(cc_alg->drvdata); 13863ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 13963ee04c8SGilad Ben-Yossef int rc = 0; 14063ee04c8SGilad Ben-Yossef 14163ee04c8SGilad Ben-Yossef dev_dbg(dev, "Initializing context @%p for %s\n", ctx_p, 14263ee04c8SGilad Ben-Yossef crypto_tfm_alg_name(tfm)); 14363ee04c8SGilad Ben-Yossef 14463ee04c8SGilad Ben-Yossef crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm), 14563ee04c8SGilad Ben-Yossef sizeof(struct cipher_req_ctx)); 14663ee04c8SGilad Ben-Yossef 14763ee04c8SGilad Ben-Yossef ctx_p->cipher_mode = cc_alg->cipher_mode; 14863ee04c8SGilad Ben-Yossef ctx_p->flow_mode = cc_alg->flow_mode; 14963ee04c8SGilad Ben-Yossef ctx_p->drvdata = cc_alg->drvdata; 15063ee04c8SGilad Ben-Yossef 15163ee04c8SGilad Ben-Yossef /* Allocate key buffer, cache line aligned */ 15263ee04c8SGilad Ben-Yossef ctx_p->user.key = kmalloc(max_key_buf_size, GFP_KERNEL); 15363ee04c8SGilad Ben-Yossef if (!ctx_p->user.key) 15463ee04c8SGilad Ben-Yossef return -ENOMEM; 15563ee04c8SGilad Ben-Yossef 15663ee04c8SGilad Ben-Yossef dev_dbg(dev, "Allocated key buffer in context. key=@%p\n", 15763ee04c8SGilad Ben-Yossef ctx_p->user.key); 15863ee04c8SGilad Ben-Yossef 15963ee04c8SGilad Ben-Yossef /* Map key buffer */ 16063ee04c8SGilad Ben-Yossef ctx_p->user.key_dma_addr = dma_map_single(dev, (void *)ctx_p->user.key, 16163ee04c8SGilad Ben-Yossef max_key_buf_size, 16263ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 16363ee04c8SGilad Ben-Yossef if (dma_mapping_error(dev, ctx_p->user.key_dma_addr)) { 16463ee04c8SGilad Ben-Yossef dev_err(dev, "Mapping Key %u B at va=%pK for DMA failed\n", 16563ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key); 16663ee04c8SGilad Ben-Yossef return -ENOMEM; 16763ee04c8SGilad Ben-Yossef } 16863ee04c8SGilad Ben-Yossef dev_dbg(dev, "Mapped key %u B at va=%pK to dma=%pad\n", 16963ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key, &ctx_p->user.key_dma_addr); 17063ee04c8SGilad Ben-Yossef 17163ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 17263ee04c8SGilad Ben-Yossef /* Alloc hash tfm for essiv */ 17363ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = crypto_alloc_shash("sha256-generic", 0, 0); 17463ee04c8SGilad Ben-Yossef if (IS_ERR(ctx_p->shash_tfm)) { 17563ee04c8SGilad Ben-Yossef dev_err(dev, "Error allocating hash tfm for ESSIV.\n"); 17663ee04c8SGilad Ben-Yossef return PTR_ERR(ctx_p->shash_tfm); 17763ee04c8SGilad Ben-Yossef } 17863ee04c8SGilad Ben-Yossef } 17963ee04c8SGilad Ben-Yossef 18063ee04c8SGilad Ben-Yossef return rc; 18163ee04c8SGilad Ben-Yossef } 18263ee04c8SGilad Ben-Yossef 18363ee04c8SGilad Ben-Yossef static void cc_cipher_exit(struct crypto_tfm *tfm) 18463ee04c8SGilad Ben-Yossef { 18563ee04c8SGilad Ben-Yossef struct crypto_alg *alg = tfm->__crt_alg; 18663ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 18763ee04c8SGilad Ben-Yossef container_of(alg, struct cc_crypto_alg, 18863ee04c8SGilad Ben-Yossef skcipher_alg.base); 18963ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 19063ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 19163ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 19263ee04c8SGilad Ben-Yossef 19363ee04c8SGilad Ben-Yossef dev_dbg(dev, "Clearing context @%p for %s\n", 19463ee04c8SGilad Ben-Yossef crypto_tfm_ctx(tfm), crypto_tfm_alg_name(tfm)); 19563ee04c8SGilad Ben-Yossef 19663ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 19763ee04c8SGilad Ben-Yossef /* Free hash tfm for essiv */ 19863ee04c8SGilad Ben-Yossef crypto_free_shash(ctx_p->shash_tfm); 19963ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = NULL; 20063ee04c8SGilad Ben-Yossef } 20163ee04c8SGilad Ben-Yossef 20263ee04c8SGilad Ben-Yossef /* Unmap key buffer */ 20363ee04c8SGilad Ben-Yossef dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size, 20463ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 20563ee04c8SGilad Ben-Yossef dev_dbg(dev, "Unmapped key buffer key_dma_addr=%pad\n", 20663ee04c8SGilad Ben-Yossef &ctx_p->user.key_dma_addr); 20763ee04c8SGilad Ben-Yossef 20863ee04c8SGilad Ben-Yossef /* Free key buffer in context */ 20963ee04c8SGilad Ben-Yossef kzfree(ctx_p->user.key); 21063ee04c8SGilad Ben-Yossef dev_dbg(dev, "Free key buffer in context. key=@%p\n", ctx_p->user.key); 21163ee04c8SGilad Ben-Yossef } 21263ee04c8SGilad Ben-Yossef 21363ee04c8SGilad Ben-Yossef struct tdes_keys { 21463ee04c8SGilad Ben-Yossef u8 key1[DES_KEY_SIZE]; 21563ee04c8SGilad Ben-Yossef u8 key2[DES_KEY_SIZE]; 21663ee04c8SGilad Ben-Yossef u8 key3[DES_KEY_SIZE]; 21763ee04c8SGilad Ben-Yossef }; 21863ee04c8SGilad Ben-Yossef 219a794d8d8SGilad Ben-Yossef static enum cc_hw_crypto_key cc_slot_to_hw_key(int slot_num) 22063ee04c8SGilad Ben-Yossef { 22163ee04c8SGilad Ben-Yossef switch (slot_num) { 22263ee04c8SGilad Ben-Yossef case 0: 22363ee04c8SGilad Ben-Yossef return KFDE0_KEY; 22463ee04c8SGilad Ben-Yossef case 1: 22563ee04c8SGilad Ben-Yossef return KFDE1_KEY; 22663ee04c8SGilad Ben-Yossef case 2: 22763ee04c8SGilad Ben-Yossef return KFDE2_KEY; 22863ee04c8SGilad Ben-Yossef case 3: 22963ee04c8SGilad Ben-Yossef return KFDE3_KEY; 23063ee04c8SGilad Ben-Yossef } 23163ee04c8SGilad Ben-Yossef return END_OF_KEYS; 23263ee04c8SGilad Ben-Yossef } 23363ee04c8SGilad Ben-Yossef 234a794d8d8SGilad Ben-Yossef static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key, 235a794d8d8SGilad Ben-Yossef unsigned int keylen) 236a794d8d8SGilad Ben-Yossef { 237a794d8d8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 238a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 239a794d8d8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 240a794d8d8SGilad Ben-Yossef struct cc_hkey_info hki; 241a794d8d8SGilad Ben-Yossef 242a794d8d8SGilad Ben-Yossef dev_dbg(dev, "Setting HW key in context @%p for %s. keylen=%u\n", 243a794d8d8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 244a794d8d8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 245a794d8d8SGilad Ben-Yossef 246a794d8d8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 247a794d8d8SGilad Ben-Yossef 248a794d8d8SGilad Ben-Yossef /* This check the size of the hardware key token */ 249a794d8d8SGilad Ben-Yossef if (keylen != sizeof(hki)) { 250a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported HW key size %d.\n", keylen); 251a794d8d8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 252a794d8d8SGilad Ben-Yossef return -EINVAL; 253a794d8d8SGilad Ben-Yossef } 254a794d8d8SGilad Ben-Yossef 255a794d8d8SGilad Ben-Yossef if (ctx_p->flow_mode != S_DIN_to_AES) { 256a794d8d8SGilad Ben-Yossef dev_err(dev, "HW key not supported for non-AES flows\n"); 257a794d8d8SGilad Ben-Yossef return -EINVAL; 258a794d8d8SGilad Ben-Yossef } 259a794d8d8SGilad Ben-Yossef 260a794d8d8SGilad Ben-Yossef memcpy(&hki, key, keylen); 261a794d8d8SGilad Ben-Yossef 262a794d8d8SGilad Ben-Yossef /* The real key len for crypto op is the size of the HW key 263a794d8d8SGilad Ben-Yossef * referenced by the HW key slot, not the hardware key token 264a794d8d8SGilad Ben-Yossef */ 265a794d8d8SGilad Ben-Yossef keylen = hki.keylen; 266a794d8d8SGilad Ben-Yossef 267a794d8d8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 268a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported key size %d.\n", keylen); 269a794d8d8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 270a794d8d8SGilad Ben-Yossef return -EINVAL; 271a794d8d8SGilad Ben-Yossef } 272a794d8d8SGilad Ben-Yossef 273a794d8d8SGilad Ben-Yossef ctx_p->hw.key1_slot = cc_slot_to_hw_key(hki.hw_key1); 274a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key1_slot == END_OF_KEYS) { 275a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported hw key1 number (%d)\n", hki.hw_key1); 276a794d8d8SGilad Ben-Yossef return -EINVAL; 277a794d8d8SGilad Ben-Yossef } 278a794d8d8SGilad Ben-Yossef 279a794d8d8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 280a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 281a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) { 282a794d8d8SGilad Ben-Yossef if (hki.hw_key1 == hki.hw_key2) { 283a794d8d8SGilad Ben-Yossef dev_err(dev, "Illegal hw key numbers (%d,%d)\n", 284a794d8d8SGilad Ben-Yossef hki.hw_key1, hki.hw_key2); 285a794d8d8SGilad Ben-Yossef return -EINVAL; 286a794d8d8SGilad Ben-Yossef } 287a794d8d8SGilad Ben-Yossef ctx_p->hw.key2_slot = cc_slot_to_hw_key(hki.hw_key2); 288a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key2_slot == END_OF_KEYS) { 289a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported hw key2 number (%d)\n", 290a794d8d8SGilad Ben-Yossef hki.hw_key2); 291a794d8d8SGilad Ben-Yossef return -EINVAL; 292a794d8d8SGilad Ben-Yossef } 293a794d8d8SGilad Ben-Yossef } 294a794d8d8SGilad Ben-Yossef 295a794d8d8SGilad Ben-Yossef ctx_p->keylen = keylen; 296a794d8d8SGilad Ben-Yossef ctx_p->hw_key = true; 297a794d8d8SGilad Ben-Yossef dev_dbg(dev, "cc_is_hw_key ret 0"); 298a794d8d8SGilad Ben-Yossef 299a794d8d8SGilad Ben-Yossef return 0; 300a794d8d8SGilad Ben-Yossef } 301a794d8d8SGilad Ben-Yossef 30263ee04c8SGilad Ben-Yossef static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, 30363ee04c8SGilad Ben-Yossef unsigned int keylen) 30463ee04c8SGilad Ben-Yossef { 30563ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 30663ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 30763ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 30863ee04c8SGilad Ben-Yossef u32 tmp[DES3_EDE_EXPKEY_WORDS]; 30963ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 31063ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 31163ee04c8SGilad Ben-Yossef skcipher_alg.base); 31263ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 31363ee04c8SGilad Ben-Yossef 31463ee04c8SGilad Ben-Yossef dev_dbg(dev, "Setting key in context @%p for %s. keylen=%u\n", 31563ee04c8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 31663ee04c8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 31763ee04c8SGilad Ben-Yossef 31863ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 31963ee04c8SGilad Ben-Yossef 32063ee04c8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 32163ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported key size %d.\n", keylen); 32263ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 32363ee04c8SGilad Ben-Yossef return -EINVAL; 32463ee04c8SGilad Ben-Yossef } 32563ee04c8SGilad Ben-Yossef 326a794d8d8SGilad Ben-Yossef ctx_p->hw_key = false; 32763ee04c8SGilad Ben-Yossef 32863ee04c8SGilad Ben-Yossef /* 32963ee04c8SGilad Ben-Yossef * Verify DES weak keys 33063ee04c8SGilad Ben-Yossef * Note that we're dropping the expanded key since the 33163ee04c8SGilad Ben-Yossef * HW does the expansion on its own. 33263ee04c8SGilad Ben-Yossef */ 33363ee04c8SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_DES) { 33463ee04c8SGilad Ben-Yossef if (keylen == DES3_EDE_KEY_SIZE && 33563ee04c8SGilad Ben-Yossef __des3_ede_setkey(tmp, &tfm->crt_flags, key, 33663ee04c8SGilad Ben-Yossef DES3_EDE_KEY_SIZE)) { 33763ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak 3DES key"); 33863ee04c8SGilad Ben-Yossef return -EINVAL; 33963ee04c8SGilad Ben-Yossef } else if (!des_ekey(tmp, key) && 34063ee04c8SGilad Ben-Yossef (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_WEAK_KEY)) { 34163ee04c8SGilad Ben-Yossef tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; 34263ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak DES key"); 34363ee04c8SGilad Ben-Yossef return -EINVAL; 34463ee04c8SGilad Ben-Yossef } 34563ee04c8SGilad Ben-Yossef } 34663ee04c8SGilad Ben-Yossef 34763ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS && 34863ee04c8SGilad Ben-Yossef xts_check_key(tfm, key, keylen)) { 34963ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak XTS key"); 35063ee04c8SGilad Ben-Yossef return -EINVAL; 35163ee04c8SGilad Ben-Yossef } 35263ee04c8SGilad Ben-Yossef 35363ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Copy key to ctx */ 35463ee04c8SGilad Ben-Yossef dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr, 35563ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 35663ee04c8SGilad Ben-Yossef 35763ee04c8SGilad Ben-Yossef memcpy(ctx_p->user.key, key, keylen); 35863ee04c8SGilad Ben-Yossef if (keylen == 24) 35963ee04c8SGilad Ben-Yossef memset(ctx_p->user.key + 24, 0, CC_AES_KEY_SIZE_MAX - 24); 36063ee04c8SGilad Ben-Yossef 36163ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 36263ee04c8SGilad Ben-Yossef /* sha256 for key2 - use sw implementation */ 36363ee04c8SGilad Ben-Yossef int key_len = keylen >> 1; 36463ee04c8SGilad Ben-Yossef int err; 36563ee04c8SGilad Ben-Yossef 36663ee04c8SGilad Ben-Yossef SHASH_DESC_ON_STACK(desc, ctx_p->shash_tfm); 36763ee04c8SGilad Ben-Yossef 36863ee04c8SGilad Ben-Yossef desc->tfm = ctx_p->shash_tfm; 36963ee04c8SGilad Ben-Yossef 37063ee04c8SGilad Ben-Yossef err = crypto_shash_digest(desc, ctx_p->user.key, key_len, 37163ee04c8SGilad Ben-Yossef ctx_p->user.key + key_len); 37263ee04c8SGilad Ben-Yossef if (err) { 37363ee04c8SGilad Ben-Yossef dev_err(dev, "Failed to hash ESSIV key.\n"); 37463ee04c8SGilad Ben-Yossef return err; 37563ee04c8SGilad Ben-Yossef } 37663ee04c8SGilad Ben-Yossef } 37763ee04c8SGilad Ben-Yossef dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr, 37863ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 37963ee04c8SGilad Ben-Yossef ctx_p->keylen = keylen; 38063ee04c8SGilad Ben-Yossef 38163ee04c8SGilad Ben-Yossef dev_dbg(dev, "return safely"); 38263ee04c8SGilad Ben-Yossef return 0; 38363ee04c8SGilad Ben-Yossef } 38463ee04c8SGilad Ben-Yossef 38563ee04c8SGilad Ben-Yossef static void cc_setup_cipher_desc(struct crypto_tfm *tfm, 38663ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 38763ee04c8SGilad Ben-Yossef unsigned int ivsize, unsigned int nbytes, 38863ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[], 38963ee04c8SGilad Ben-Yossef unsigned int *seq_size) 39063ee04c8SGilad Ben-Yossef { 39163ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 39263ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 39363ee04c8SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 39463ee04c8SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 39563ee04c8SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 39663ee04c8SGilad Ben-Yossef dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 39763ee04c8SGilad Ben-Yossef unsigned int key_len = ctx_p->keylen; 39863ee04c8SGilad Ben-Yossef dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 39963ee04c8SGilad Ben-Yossef unsigned int du_size = nbytes; 40063ee04c8SGilad Ben-Yossef 40163ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 40263ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 40363ee04c8SGilad Ben-Yossef skcipher_alg.base); 40463ee04c8SGilad Ben-Yossef 40563ee04c8SGilad Ben-Yossef if (cc_alg->data_unit) 40663ee04c8SGilad Ben-Yossef du_size = cc_alg->data_unit; 40763ee04c8SGilad Ben-Yossef 40863ee04c8SGilad Ben-Yossef switch (cipher_mode) { 40963ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 41063ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 41163ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 41263ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 41363ee04c8SGilad Ben-Yossef /* Load cipher state */ 41463ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 41563ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, ivsize, 41663ee04c8SGilad Ben-Yossef NS_BIT); 41763ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 41863ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 41963ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 42063ee04c8SGilad Ben-Yossef if (cipher_mode == DRV_CIPHER_CTR || 42163ee04c8SGilad Ben-Yossef cipher_mode == DRV_CIPHER_OFB) { 42263ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 42363ee04c8SGilad Ben-Yossef } else { 42463ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0); 42563ee04c8SGilad Ben-Yossef } 42663ee04c8SGilad Ben-Yossef (*seq_size)++; 42763ee04c8SGilad Ben-Yossef /*FALLTHROUGH*/ 42863ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 42963ee04c8SGilad Ben-Yossef /* Load key */ 43063ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 43163ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 43263ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 43363ee04c8SGilad Ben-Yossef if (flow_mode == S_DIN_to_AES) { 43463ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 43563ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 43663ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 43763ee04c8SGilad Ben-Yossef } else { 43863ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 43963ee04c8SGilad Ben-Yossef key_dma_addr, ((key_len == 24) ? 44063ee04c8SGilad Ben-Yossef AES_MAX_KEY_SIZE : 44163ee04c8SGilad Ben-Yossef key_len), NS_BIT); 44263ee04c8SGilad Ben-Yossef } 44363ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 44463ee04c8SGilad Ben-Yossef } else { 44563ee04c8SGilad Ben-Yossef /*des*/ 44663ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 44763ee04c8SGilad Ben-Yossef key_len, NS_BIT); 44863ee04c8SGilad Ben-Yossef set_key_size_des(&desc[*seq_size], key_len); 44963ee04c8SGilad Ben-Yossef } 45063ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 45163ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 45263ee04c8SGilad Ben-Yossef (*seq_size)++; 45363ee04c8SGilad Ben-Yossef break; 45463ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 45563ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 45663ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 45763ee04c8SGilad Ben-Yossef /* Load AES key */ 45863ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 45963ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 46063ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 46163ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 46263ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 46363ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 46463ee04c8SGilad Ben-Yossef } else { 46563ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 46663ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 46763ee04c8SGilad Ben-Yossef } 46863ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 46963ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 47063ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 47163ee04c8SGilad Ben-Yossef (*seq_size)++; 47263ee04c8SGilad Ben-Yossef 47363ee04c8SGilad Ben-Yossef /* load XEX key */ 47463ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 47563ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 47663ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 47763ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 47863ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 47963ee04c8SGilad Ben-Yossef ctx_p->hw.key2_slot); 48063ee04c8SGilad Ben-Yossef } else { 48163ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 48263ee04c8SGilad Ben-Yossef (key_dma_addr + (key_len / 2)), 48363ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 48463ee04c8SGilad Ben-Yossef } 48563ee04c8SGilad Ben-Yossef set_xex_data_unit_size(&desc[*seq_size], du_size); 48663ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], S_DIN_to_AES2); 48763ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 48863ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_XEX_KEY); 48963ee04c8SGilad Ben-Yossef (*seq_size)++; 49063ee04c8SGilad Ben-Yossef 49163ee04c8SGilad Ben-Yossef /* Set state */ 49263ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 49363ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 49463ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 49563ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 49663ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 49763ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 49863ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, 49963ee04c8SGilad Ben-Yossef CC_AES_BLOCK_SIZE, NS_BIT); 50063ee04c8SGilad Ben-Yossef (*seq_size)++; 50163ee04c8SGilad Ben-Yossef break; 50263ee04c8SGilad Ben-Yossef default: 50363ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 50463ee04c8SGilad Ben-Yossef } 50563ee04c8SGilad Ben-Yossef } 50663ee04c8SGilad Ben-Yossef 50763ee04c8SGilad Ben-Yossef static void cc_setup_cipher_data(struct crypto_tfm *tfm, 50863ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 50963ee04c8SGilad Ben-Yossef struct scatterlist *dst, 51063ee04c8SGilad Ben-Yossef struct scatterlist *src, unsigned int nbytes, 51163ee04c8SGilad Ben-Yossef void *areq, struct cc_hw_desc desc[], 51263ee04c8SGilad Ben-Yossef unsigned int *seq_size) 51363ee04c8SGilad Ben-Yossef { 51463ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 51563ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 51663ee04c8SGilad Ben-Yossef unsigned int flow_mode = ctx_p->flow_mode; 51763ee04c8SGilad Ben-Yossef 51863ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 51963ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 52063ee04c8SGilad Ben-Yossef flow_mode = DIN_AES_DOUT; 52163ee04c8SGilad Ben-Yossef break; 52263ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 52363ee04c8SGilad Ben-Yossef flow_mode = DIN_DES_DOUT; 52463ee04c8SGilad Ben-Yossef break; 52563ee04c8SGilad Ben-Yossef default: 52663ee04c8SGilad Ben-Yossef dev_err(dev, "invalid flow mode, flow_mode = %d\n", flow_mode); 52763ee04c8SGilad Ben-Yossef return; 52863ee04c8SGilad Ben-Yossef } 52963ee04c8SGilad Ben-Yossef /* Process */ 53063ee04c8SGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) { 53163ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 53263ee04c8SGilad Ben-Yossef &sg_dma_address(src), nbytes); 53363ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 53463ee04c8SGilad Ben-Yossef &sg_dma_address(dst), nbytes); 53563ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 53663ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), 53763ee04c8SGilad Ben-Yossef nbytes, NS_BIT); 53863ee04c8SGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], sg_dma_address(dst), 53963ee04c8SGilad Ben-Yossef nbytes, NS_BIT, (!areq ? 0 : 1)); 54063ee04c8SGilad Ben-Yossef if (areq) 54127b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 54263ee04c8SGilad Ben-Yossef 54363ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 54463ee04c8SGilad Ben-Yossef (*seq_size)++; 54563ee04c8SGilad Ben-Yossef } else { 54663ee04c8SGilad Ben-Yossef /* bypass */ 54763ee04c8SGilad Ben-Yossef dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n", 54863ee04c8SGilad Ben-Yossef &req_ctx->mlli_params.mlli_dma_addr, 54963ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len, 55063ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 55163ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 55263ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 55363ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_dma_addr, 55463ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len, NS_BIT); 55563ee04c8SGilad Ben-Yossef set_dout_sram(&desc[*seq_size], 55663ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 55763ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len); 55863ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], BYPASS); 55963ee04c8SGilad Ben-Yossef (*seq_size)++; 56063ee04c8SGilad Ben-Yossef 56163ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 56263ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_MLLI, 56363ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 56463ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT); 56563ee04c8SGilad Ben-Yossef if (req_ctx->out_nents == 0) { 56663ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 56763ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 56863ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 56963ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 57063ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 57163ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT, 57263ee04c8SGilad Ben-Yossef (!areq ? 0 : 1)); 57363ee04c8SGilad Ben-Yossef } else { 57463ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 57563ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 57663ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr + 57763ee04c8SGilad Ben-Yossef (u32)LLI_ENTRY_BYTE_SIZE * req_ctx->in_nents); 57863ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 57963ee04c8SGilad Ben-Yossef (ctx_p->drvdata->mlli_sram_addr + 58063ee04c8SGilad Ben-Yossef (LLI_ENTRY_BYTE_SIZE * 58163ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents)), 58263ee04c8SGilad Ben-Yossef req_ctx->out_mlli_nents, NS_BIT, 58363ee04c8SGilad Ben-Yossef (!areq ? 0 : 1)); 58463ee04c8SGilad Ben-Yossef } 58563ee04c8SGilad Ben-Yossef if (areq) 58627b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 58763ee04c8SGilad Ben-Yossef 58863ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 58963ee04c8SGilad Ben-Yossef (*seq_size)++; 59063ee04c8SGilad Ben-Yossef } 59163ee04c8SGilad Ben-Yossef } 59263ee04c8SGilad Ben-Yossef 59300904aa0SGilad Ben-Yossef /* 59400904aa0SGilad Ben-Yossef * Update a CTR-AES 128 bit counter 59500904aa0SGilad Ben-Yossef */ 59600904aa0SGilad Ben-Yossef static void cc_update_ctr(u8 *ctr, unsigned int increment) 59700904aa0SGilad Ben-Yossef { 59800904aa0SGilad Ben-Yossef if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) || 59900904aa0SGilad Ben-Yossef IS_ALIGNED((unsigned long)ctr, 8)) { 60000904aa0SGilad Ben-Yossef 60100904aa0SGilad Ben-Yossef __be64 *high_be = (__be64 *)ctr; 60200904aa0SGilad Ben-Yossef __be64 *low_be = high_be + 1; 60300904aa0SGilad Ben-Yossef u64 orig_low = __be64_to_cpu(*low_be); 60400904aa0SGilad Ben-Yossef u64 new_low = orig_low + (u64)increment; 60500904aa0SGilad Ben-Yossef 60600904aa0SGilad Ben-Yossef *low_be = __cpu_to_be64(new_low); 60700904aa0SGilad Ben-Yossef 60800904aa0SGilad Ben-Yossef if (new_low < orig_low) 60900904aa0SGilad Ben-Yossef *high_be = __cpu_to_be64(__be64_to_cpu(*high_be) + 1); 61000904aa0SGilad Ben-Yossef } else { 61100904aa0SGilad Ben-Yossef u8 *pos = (ctr + AES_BLOCK_SIZE); 61200904aa0SGilad Ben-Yossef u8 val; 61300904aa0SGilad Ben-Yossef unsigned int size; 61400904aa0SGilad Ben-Yossef 61500904aa0SGilad Ben-Yossef for (; increment; increment--) 61600904aa0SGilad Ben-Yossef for (size = AES_BLOCK_SIZE; size; size--) { 61700904aa0SGilad Ben-Yossef val = *--pos + 1; 61800904aa0SGilad Ben-Yossef *pos = val; 61900904aa0SGilad Ben-Yossef if (val) 62000904aa0SGilad Ben-Yossef break; 62100904aa0SGilad Ben-Yossef } 62200904aa0SGilad Ben-Yossef } 62300904aa0SGilad Ben-Yossef } 62400904aa0SGilad Ben-Yossef 62563ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err) 62663ee04c8SGilad Ben-Yossef { 62763ee04c8SGilad Ben-Yossef struct skcipher_request *req = (struct skcipher_request *)cc_req; 62863ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 62963ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 63063ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 63100904aa0SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 63200904aa0SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 63300904aa0SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 63400904aa0SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 63500904aa0SGilad Ben-Yossef unsigned int len; 63663ee04c8SGilad Ben-Yossef 63700904aa0SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 63800904aa0SGilad Ben-Yossef case DRV_CIPHER_CBC: 63963ee04c8SGilad Ben-Yossef /* 64063ee04c8SGilad Ben-Yossef * The crypto API expects us to set the req->iv to the last 64163ee04c8SGilad Ben-Yossef * ciphertext block. For encrypt, simply copy from the result. 64263ee04c8SGilad Ben-Yossef * For decrypt, we must copy from a saved buffer since this 64363ee04c8SGilad Ben-Yossef * could be an in-place decryption operation and the src is 64463ee04c8SGilad Ben-Yossef * lost by this point. 64563ee04c8SGilad Ben-Yossef */ 64663ee04c8SGilad Ben-Yossef if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) { 64763ee04c8SGilad Ben-Yossef memcpy(req->iv, req_ctx->backup_info, ivsize); 64863ee04c8SGilad Ben-Yossef kzfree(req_ctx->backup_info); 64963ee04c8SGilad Ben-Yossef } else if (!err) { 65000904aa0SGilad Ben-Yossef len = req->cryptlen - ivsize; 65100904aa0SGilad Ben-Yossef scatterwalk_map_and_copy(req->iv, req->dst, len, 65263ee04c8SGilad Ben-Yossef ivsize, 0); 65363ee04c8SGilad Ben-Yossef } 65400904aa0SGilad Ben-Yossef break; 65500904aa0SGilad Ben-Yossef 65600904aa0SGilad Ben-Yossef case DRV_CIPHER_CTR: 65700904aa0SGilad Ben-Yossef /* Compute the counter of the last block */ 65800904aa0SGilad Ben-Yossef len = ALIGN(req->cryptlen, AES_BLOCK_SIZE) / AES_BLOCK_SIZE; 65900904aa0SGilad Ben-Yossef cc_update_ctr((u8 *)req->iv, len); 66000904aa0SGilad Ben-Yossef break; 66100904aa0SGilad Ben-Yossef 66200904aa0SGilad Ben-Yossef default: 66300904aa0SGilad Ben-Yossef break; 66400904aa0SGilad Ben-Yossef } 66500904aa0SGilad Ben-Yossef 66600904aa0SGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 66700904aa0SGilad Ben-Yossef kzfree(req_ctx->iv); 66863ee04c8SGilad Ben-Yossef 66963ee04c8SGilad Ben-Yossef skcipher_request_complete(req, err); 67063ee04c8SGilad Ben-Yossef } 67163ee04c8SGilad Ben-Yossef 67263ee04c8SGilad Ben-Yossef static int cc_cipher_process(struct skcipher_request *req, 67363ee04c8SGilad Ben-Yossef enum drv_crypto_direction direction) 67463ee04c8SGilad Ben-Yossef { 67563ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 67663ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 67763ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 67863ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 67963ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 68063ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 68163ee04c8SGilad Ben-Yossef unsigned int nbytes = req->cryptlen; 68263ee04c8SGilad Ben-Yossef void *iv = req->iv; 68363ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 68463ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 68563ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[MAX_ABLKCIPHER_SEQ_LEN]; 68663ee04c8SGilad Ben-Yossef struct cc_crypto_req cc_req = {}; 68784f366daSGilad Ben-Yossef int rc; 68863ee04c8SGilad Ben-Yossef unsigned int seq_len = 0; 68963ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 69063ee04c8SGilad Ben-Yossef 69163ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s req=%p iv=%p nbytes=%d\n", 69263ee04c8SGilad Ben-Yossef ((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ? 69363ee04c8SGilad Ben-Yossef "Encrypt" : "Decrypt"), req, iv, nbytes); 69463ee04c8SGilad Ben-Yossef 69563ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 69663ee04c8SGilad Ben-Yossef 69763ee04c8SGilad Ben-Yossef /* TODO: check data length according to mode */ 69863ee04c8SGilad Ben-Yossef if (validate_data_size(ctx_p, nbytes)) { 69963ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported data size %d.\n", nbytes); 70063ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_BLOCK_LEN); 70163ee04c8SGilad Ben-Yossef rc = -EINVAL; 70263ee04c8SGilad Ben-Yossef goto exit_process; 70363ee04c8SGilad Ben-Yossef } 70463ee04c8SGilad Ben-Yossef if (nbytes == 0) { 70563ee04c8SGilad Ben-Yossef /* No data to process is valid */ 70663ee04c8SGilad Ben-Yossef rc = 0; 70763ee04c8SGilad Ben-Yossef goto exit_process; 70863ee04c8SGilad Ben-Yossef } 70963ee04c8SGilad Ben-Yossef 71063ee04c8SGilad Ben-Yossef /* The IV we are handed may be allocted from the stack so 71163ee04c8SGilad Ben-Yossef * we must copy it to a DMAable buffer before use. 71263ee04c8SGilad Ben-Yossef */ 71301745706SFengguang Wu req_ctx->iv = kmemdup(iv, ivsize, flags); 71463ee04c8SGilad Ben-Yossef if (!req_ctx->iv) { 71563ee04c8SGilad Ben-Yossef rc = -ENOMEM; 71663ee04c8SGilad Ben-Yossef goto exit_process; 71763ee04c8SGilad Ben-Yossef } 71863ee04c8SGilad Ben-Yossef 71963ee04c8SGilad Ben-Yossef /* Setup request structure */ 72063ee04c8SGilad Ben-Yossef cc_req.user_cb = (void *)cc_cipher_complete; 72163ee04c8SGilad Ben-Yossef cc_req.user_arg = (void *)req; 72263ee04c8SGilad Ben-Yossef 72363ee04c8SGilad Ben-Yossef /* Setup request context */ 72463ee04c8SGilad Ben-Yossef req_ctx->gen_ctx.op_type = direction; 72563ee04c8SGilad Ben-Yossef 72663ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Map buffers */ 72763ee04c8SGilad Ben-Yossef 72863ee04c8SGilad Ben-Yossef rc = cc_map_cipher_request(ctx_p->drvdata, req_ctx, ivsize, nbytes, 72963ee04c8SGilad Ben-Yossef req_ctx->iv, src, dst, flags); 73063ee04c8SGilad Ben-Yossef if (rc) { 73163ee04c8SGilad Ben-Yossef dev_err(dev, "map_request() failed\n"); 73263ee04c8SGilad Ben-Yossef goto exit_process; 73363ee04c8SGilad Ben-Yossef } 73463ee04c8SGilad Ben-Yossef 73563ee04c8SGilad Ben-Yossef /* STAT_PHASE_2: Create sequence */ 73663ee04c8SGilad Ben-Yossef 73763ee04c8SGilad Ben-Yossef /* Setup processing */ 73863ee04c8SGilad Ben-Yossef cc_setup_cipher_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); 73963ee04c8SGilad Ben-Yossef /* Data processing */ 74063ee04c8SGilad Ben-Yossef cc_setup_cipher_data(tfm, req_ctx, dst, src, nbytes, req, desc, 74163ee04c8SGilad Ben-Yossef &seq_len); 74263ee04c8SGilad Ben-Yossef 74363ee04c8SGilad Ben-Yossef /* STAT_PHASE_3: Lock HW and push sequence */ 74463ee04c8SGilad Ben-Yossef 74563ee04c8SGilad Ben-Yossef rc = cc_send_request(ctx_p->drvdata, &cc_req, desc, seq_len, 74663ee04c8SGilad Ben-Yossef &req->base); 74763ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 74863ee04c8SGilad Ben-Yossef /* Failed to send the request or request completed 74963ee04c8SGilad Ben-Yossef * synchronously 75063ee04c8SGilad Ben-Yossef */ 75163ee04c8SGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 75263ee04c8SGilad Ben-Yossef } 75363ee04c8SGilad Ben-Yossef 75463ee04c8SGilad Ben-Yossef exit_process: 75563ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 75663ee04c8SGilad Ben-Yossef kzfree(req_ctx->backup_info); 75763ee04c8SGilad Ben-Yossef kzfree(req_ctx->iv); 75863ee04c8SGilad Ben-Yossef } 75963ee04c8SGilad Ben-Yossef 76063ee04c8SGilad Ben-Yossef return rc; 76163ee04c8SGilad Ben-Yossef } 76263ee04c8SGilad Ben-Yossef 76363ee04c8SGilad Ben-Yossef static int cc_cipher_encrypt(struct skcipher_request *req) 76463ee04c8SGilad Ben-Yossef { 76563ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 76663ee04c8SGilad Ben-Yossef 767e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 76863ee04c8SGilad Ben-Yossef 76963ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_ENCRYPT); 77063ee04c8SGilad Ben-Yossef } 77163ee04c8SGilad Ben-Yossef 77263ee04c8SGilad Ben-Yossef static int cc_cipher_decrypt(struct skcipher_request *req) 77363ee04c8SGilad Ben-Yossef { 77463ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 77500904aa0SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 77600904aa0SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 77763ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 77863ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 77963ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 78000904aa0SGilad Ben-Yossef unsigned int len; 78163ee04c8SGilad Ben-Yossef 782e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 783e30368f3SGilad Ben-Yossef 78400904aa0SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_CBC) { 78500904aa0SGilad Ben-Yossef 78600904aa0SGilad Ben-Yossef /* Allocate and save the last IV sized bytes of the source, 78700904aa0SGilad Ben-Yossef * which will be lost in case of in-place decryption. 78863ee04c8SGilad Ben-Yossef */ 78900904aa0SGilad Ben-Yossef req_ctx->backup_info = kzalloc(ivsize, flags); 79063ee04c8SGilad Ben-Yossef if (!req_ctx->backup_info) 79163ee04c8SGilad Ben-Yossef return -ENOMEM; 79263ee04c8SGilad Ben-Yossef 79300904aa0SGilad Ben-Yossef len = req->cryptlen - ivsize; 79400904aa0SGilad Ben-Yossef scatterwalk_map_and_copy(req_ctx->backup_info, req->src, len, 79500904aa0SGilad Ben-Yossef ivsize, 0); 79600904aa0SGilad Ben-Yossef } 79700904aa0SGilad Ben-Yossef 79863ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT); 79963ee04c8SGilad Ben-Yossef } 80063ee04c8SGilad Ben-Yossef 80163ee04c8SGilad Ben-Yossef /* Block cipher alg */ 80263ee04c8SGilad Ben-Yossef static const struct cc_alg_template skcipher_algs[] = { 80363ee04c8SGilad Ben-Yossef { 804a794d8d8SGilad Ben-Yossef .name = "xts(paes)", 805a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-ccree", 806a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 807a794d8d8SGilad Ben-Yossef .template_skcipher = { 808a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 809a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 810a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 811a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 812a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 813a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 814a794d8d8SGilad Ben-Yossef }, 815a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 816a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 817a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 818a794d8d8SGilad Ben-Yossef }, 819a794d8d8SGilad Ben-Yossef { 820a794d8d8SGilad Ben-Yossef .name = "xts512(paes)", 821a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du512-ccree", 822a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 823a794d8d8SGilad Ben-Yossef .template_skcipher = { 824a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 825a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 826a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 827a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 828a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 829a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 830a794d8d8SGilad Ben-Yossef }, 831a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 832a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 833a794d8d8SGilad Ben-Yossef .data_unit = 512, 834a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 835a794d8d8SGilad Ben-Yossef }, 836a794d8d8SGilad Ben-Yossef { 837a794d8d8SGilad Ben-Yossef .name = "xts4096(paes)", 838a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du4096-ccree", 839a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 840a794d8d8SGilad Ben-Yossef .template_skcipher = { 841a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 842a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 843a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 844a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 845a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 846a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 847a794d8d8SGilad Ben-Yossef }, 848a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 849a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 850a794d8d8SGilad Ben-Yossef .data_unit = 4096, 851a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 852a794d8d8SGilad Ben-Yossef }, 853a794d8d8SGilad Ben-Yossef { 854a794d8d8SGilad Ben-Yossef .name = "essiv(paes)", 855a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-ccree", 856a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 857a794d8d8SGilad Ben-Yossef .template_skcipher = { 858a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 859a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 860a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 861a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 862a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 863a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 864a794d8d8SGilad Ben-Yossef }, 865a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 866a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 867a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 868a794d8d8SGilad Ben-Yossef }, 869a794d8d8SGilad Ben-Yossef { 870a794d8d8SGilad Ben-Yossef .name = "essiv512(paes)", 871a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du512-ccree", 872a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 873a794d8d8SGilad Ben-Yossef .template_skcipher = { 874a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 875a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 876a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 877a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 878a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 879a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 880a794d8d8SGilad Ben-Yossef }, 881a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 882a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 883a794d8d8SGilad Ben-Yossef .data_unit = 512, 884a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 885a794d8d8SGilad Ben-Yossef }, 886a794d8d8SGilad Ben-Yossef { 887a794d8d8SGilad Ben-Yossef .name = "essiv4096(paes)", 888a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du4096-ccree", 889a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 890a794d8d8SGilad Ben-Yossef .template_skcipher = { 891a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 892a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 893a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 894a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 895a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 896a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 897a794d8d8SGilad Ben-Yossef }, 898a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 899a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 900a794d8d8SGilad Ben-Yossef .data_unit = 4096, 901a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 902a794d8d8SGilad Ben-Yossef }, 903a794d8d8SGilad Ben-Yossef { 904a794d8d8SGilad Ben-Yossef .name = "bitlocker(paes)", 905a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-ccree", 906a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 907a794d8d8SGilad Ben-Yossef .template_skcipher = { 908a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 909a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 910a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 911a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 912a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 913a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 914a794d8d8SGilad Ben-Yossef }, 915a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 916a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 917a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 918a794d8d8SGilad Ben-Yossef }, 919a794d8d8SGilad Ben-Yossef { 920a794d8d8SGilad Ben-Yossef .name = "bitlocker512(paes)", 921a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du512-ccree", 922a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 923a794d8d8SGilad Ben-Yossef .template_skcipher = { 924a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 925a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 926a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 927a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 928a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 929a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 930a794d8d8SGilad Ben-Yossef }, 931a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 932a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 933a794d8d8SGilad Ben-Yossef .data_unit = 512, 934a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 935a794d8d8SGilad Ben-Yossef }, 936a794d8d8SGilad Ben-Yossef { 937a794d8d8SGilad Ben-Yossef .name = "bitlocker4096(paes)", 938a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du4096-ccree", 939a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 940a794d8d8SGilad Ben-Yossef .template_skcipher = { 941a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 942a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 943a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 944a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 945a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 946a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 947a794d8d8SGilad Ben-Yossef }, 948a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 949a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 950a794d8d8SGilad Ben-Yossef .data_unit = 4096, 951a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 952a794d8d8SGilad Ben-Yossef }, 953a794d8d8SGilad Ben-Yossef { 954a794d8d8SGilad Ben-Yossef .name = "ecb(paes)", 955a794d8d8SGilad Ben-Yossef .driver_name = "ecb-paes-ccree", 956a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 957a794d8d8SGilad Ben-Yossef .template_skcipher = { 958a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 959a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 960a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 961a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 962a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 963a794d8d8SGilad Ben-Yossef .ivsize = 0, 964a794d8d8SGilad Ben-Yossef }, 965a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 966a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 967a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 968a794d8d8SGilad Ben-Yossef }, 969a794d8d8SGilad Ben-Yossef { 970a794d8d8SGilad Ben-Yossef .name = "cbc(paes)", 971a794d8d8SGilad Ben-Yossef .driver_name = "cbc-paes-ccree", 972a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 973a794d8d8SGilad Ben-Yossef .template_skcipher = { 974a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 975a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 976a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 977a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 978a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 979a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 980a794d8d8SGilad Ben-Yossef }, 981a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 982a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 983a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 984a794d8d8SGilad Ben-Yossef }, 985a794d8d8SGilad Ben-Yossef { 986a794d8d8SGilad Ben-Yossef .name = "ofb(paes)", 987a794d8d8SGilad Ben-Yossef .driver_name = "ofb-paes-ccree", 988a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 989a794d8d8SGilad Ben-Yossef .template_skcipher = { 990a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 991a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 992a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 993a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 994a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 995a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 996a794d8d8SGilad Ben-Yossef }, 997a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 998a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 999a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 1000a794d8d8SGilad Ben-Yossef }, 1001a794d8d8SGilad Ben-Yossef { 100284f366daSGilad Ben-Yossef .name = "cts(cbc(paes))", 100384f366daSGilad Ben-Yossef .driver_name = "cts-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_CTS, 1014a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1015a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 1016a794d8d8SGilad Ben-Yossef }, 1017a794d8d8SGilad Ben-Yossef { 1018a794d8d8SGilad Ben-Yossef .name = "ctr(paes)", 1019a794d8d8SGilad Ben-Yossef .driver_name = "ctr-paes-ccree", 1020a794d8d8SGilad Ben-Yossef .blocksize = 1, 1021a794d8d8SGilad Ben-Yossef .template_skcipher = { 1022a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1023a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1024a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1025a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1026a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1027a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1028a794d8d8SGilad Ben-Yossef }, 1029a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1030a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1031a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 1032a794d8d8SGilad Ben-Yossef }, 1033a794d8d8SGilad Ben-Yossef { 103463ee04c8SGilad Ben-Yossef .name = "xts(aes)", 103563ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-ccree", 103663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 103763ee04c8SGilad Ben-Yossef .template_skcipher = { 103863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 103963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 104063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 104163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 104263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 104363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 104463ee04c8SGilad Ben-Yossef }, 104563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 104663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 104727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 104863ee04c8SGilad Ben-Yossef }, 104963ee04c8SGilad Ben-Yossef { 105063ee04c8SGilad Ben-Yossef .name = "xts512(aes)", 105163ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du512-ccree", 105263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 105363ee04c8SGilad Ben-Yossef .template_skcipher = { 105463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 105563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 105663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 105763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 105863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 105963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 106063ee04c8SGilad Ben-Yossef }, 106163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 106263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 106363ee04c8SGilad Ben-Yossef .data_unit = 512, 106427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 106563ee04c8SGilad Ben-Yossef }, 106663ee04c8SGilad Ben-Yossef { 106763ee04c8SGilad Ben-Yossef .name = "xts4096(aes)", 106863ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du4096-ccree", 106963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 107063ee04c8SGilad Ben-Yossef .template_skcipher = { 107163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 107263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 107363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 107463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 107563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 107663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 107763ee04c8SGilad Ben-Yossef }, 107863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 107963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 108063ee04c8SGilad Ben-Yossef .data_unit = 4096, 108127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 108263ee04c8SGilad Ben-Yossef }, 108363ee04c8SGilad Ben-Yossef { 108463ee04c8SGilad Ben-Yossef .name = "essiv(aes)", 108563ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-ccree", 108663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 108763ee04c8SGilad Ben-Yossef .template_skcipher = { 108863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 108963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 109063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 109163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 109263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 109363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 109463ee04c8SGilad Ben-Yossef }, 109563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 109663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 109727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 109863ee04c8SGilad Ben-Yossef }, 109963ee04c8SGilad Ben-Yossef { 110063ee04c8SGilad Ben-Yossef .name = "essiv512(aes)", 110163ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du512-ccree", 110263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 110363ee04c8SGilad Ben-Yossef .template_skcipher = { 110463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 110563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 110663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 110763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 110863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 110963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 111063ee04c8SGilad Ben-Yossef }, 111163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 111263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 111363ee04c8SGilad Ben-Yossef .data_unit = 512, 111427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 111563ee04c8SGilad Ben-Yossef }, 111663ee04c8SGilad Ben-Yossef { 111763ee04c8SGilad Ben-Yossef .name = "essiv4096(aes)", 111863ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du4096-ccree", 111963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 112063ee04c8SGilad Ben-Yossef .template_skcipher = { 112163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 112263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 112363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 112463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 112563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 112663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 112763ee04c8SGilad Ben-Yossef }, 112863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 112963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 113063ee04c8SGilad Ben-Yossef .data_unit = 4096, 113127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 113263ee04c8SGilad Ben-Yossef }, 113363ee04c8SGilad Ben-Yossef { 113463ee04c8SGilad Ben-Yossef .name = "bitlocker(aes)", 113563ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-ccree", 113663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 113763ee04c8SGilad Ben-Yossef .template_skcipher = { 113863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 113963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 114063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 114163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 114263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 114363ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 114463ee04c8SGilad Ben-Yossef }, 114563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 114663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 114727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 114863ee04c8SGilad Ben-Yossef }, 114963ee04c8SGilad Ben-Yossef { 115063ee04c8SGilad Ben-Yossef .name = "bitlocker512(aes)", 115163ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du512-ccree", 115263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 115363ee04c8SGilad Ben-Yossef .template_skcipher = { 115463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 115563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 115663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 115763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 115863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 115963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 116063ee04c8SGilad Ben-Yossef }, 116163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 116263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 116363ee04c8SGilad Ben-Yossef .data_unit = 512, 116427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 116563ee04c8SGilad Ben-Yossef }, 116663ee04c8SGilad Ben-Yossef { 116763ee04c8SGilad Ben-Yossef .name = "bitlocker4096(aes)", 116863ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du4096-ccree", 116963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 117063ee04c8SGilad Ben-Yossef .template_skcipher = { 117163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 117263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 117363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 117463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 117563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 117663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 117763ee04c8SGilad Ben-Yossef }, 117863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 117963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 118063ee04c8SGilad Ben-Yossef .data_unit = 4096, 118127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 118263ee04c8SGilad Ben-Yossef }, 118363ee04c8SGilad Ben-Yossef { 118463ee04c8SGilad Ben-Yossef .name = "ecb(aes)", 118563ee04c8SGilad Ben-Yossef .driver_name = "ecb-aes-ccree", 118663ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 118763ee04c8SGilad Ben-Yossef .template_skcipher = { 118863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 118963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 119063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 119163ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 119263ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 119363ee04c8SGilad Ben-Yossef .ivsize = 0, 119463ee04c8SGilad Ben-Yossef }, 119563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 119663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 119727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 119863ee04c8SGilad Ben-Yossef }, 119963ee04c8SGilad Ben-Yossef { 120063ee04c8SGilad Ben-Yossef .name = "cbc(aes)", 120163ee04c8SGilad Ben-Yossef .driver_name = "cbc-aes-ccree", 120263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 120363ee04c8SGilad Ben-Yossef .template_skcipher = { 120463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 120563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 120663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 120763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 120863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 120963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 121063ee04c8SGilad Ben-Yossef }, 121163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 121263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 121327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 121463ee04c8SGilad Ben-Yossef }, 121563ee04c8SGilad Ben-Yossef { 121663ee04c8SGilad Ben-Yossef .name = "ofb(aes)", 121763ee04c8SGilad Ben-Yossef .driver_name = "ofb-aes-ccree", 121863ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 121963ee04c8SGilad Ben-Yossef .template_skcipher = { 122063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 122163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 122263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 122363ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 122463ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 122563ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 122663ee04c8SGilad Ben-Yossef }, 122763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 122863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 122927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 123063ee04c8SGilad Ben-Yossef }, 123163ee04c8SGilad Ben-Yossef { 123284f366daSGilad Ben-Yossef .name = "cts(cbc(aes))", 123384f366daSGilad Ben-Yossef .driver_name = "cts-cbc-aes-ccree", 123463ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 123563ee04c8SGilad Ben-Yossef .template_skcipher = { 123663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 123763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 123863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 123963ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 124063ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 124163ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 124263ee04c8SGilad Ben-Yossef }, 124363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 124463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 124527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 124663ee04c8SGilad Ben-Yossef }, 124763ee04c8SGilad Ben-Yossef { 124863ee04c8SGilad Ben-Yossef .name = "ctr(aes)", 124963ee04c8SGilad Ben-Yossef .driver_name = "ctr-aes-ccree", 125063ee04c8SGilad Ben-Yossef .blocksize = 1, 125163ee04c8SGilad Ben-Yossef .template_skcipher = { 125263ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 125363ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 125463ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 125563ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 125663ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 125763ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 125863ee04c8SGilad Ben-Yossef }, 125963ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 126063ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 126127b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 126263ee04c8SGilad Ben-Yossef }, 126363ee04c8SGilad Ben-Yossef { 126463ee04c8SGilad Ben-Yossef .name = "cbc(des3_ede)", 126563ee04c8SGilad Ben-Yossef .driver_name = "cbc-3des-ccree", 126663ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 126763ee04c8SGilad Ben-Yossef .template_skcipher = { 126863ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 126963ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 127063ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 127163ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 127263ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 127363ee04c8SGilad Ben-Yossef .ivsize = DES3_EDE_BLOCK_SIZE, 127463ee04c8SGilad Ben-Yossef }, 127563ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 127663ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 127727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 127863ee04c8SGilad Ben-Yossef }, 127963ee04c8SGilad Ben-Yossef { 128063ee04c8SGilad Ben-Yossef .name = "ecb(des3_ede)", 128163ee04c8SGilad Ben-Yossef .driver_name = "ecb-3des-ccree", 128263ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_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 = DES3_EDE_KEY_SIZE, 128863ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 128963ee04c8SGilad Ben-Yossef .ivsize = 0, 129063ee04c8SGilad Ben-Yossef }, 129163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 129263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 129327b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 129463ee04c8SGilad Ben-Yossef }, 129563ee04c8SGilad Ben-Yossef { 129663ee04c8SGilad Ben-Yossef .name = "cbc(des)", 129763ee04c8SGilad Ben-Yossef .driver_name = "cbc-des-ccree", 129863ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 129963ee04c8SGilad Ben-Yossef .template_skcipher = { 130063ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 130163ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 130263ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 130363ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 130463ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 130563ee04c8SGilad Ben-Yossef .ivsize = DES_BLOCK_SIZE, 130663ee04c8SGilad Ben-Yossef }, 130763ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 130863ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 130927b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 131063ee04c8SGilad Ben-Yossef }, 131163ee04c8SGilad Ben-Yossef { 131263ee04c8SGilad Ben-Yossef .name = "ecb(des)", 131363ee04c8SGilad Ben-Yossef .driver_name = "ecb-des-ccree", 131463ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 131563ee04c8SGilad Ben-Yossef .template_skcipher = { 131663ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 131763ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 131863ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 131963ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 132063ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 132163ee04c8SGilad Ben-Yossef .ivsize = 0, 132263ee04c8SGilad Ben-Yossef }, 132363ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 132463ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 132527b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 132663ee04c8SGilad Ben-Yossef }, 132763ee04c8SGilad Ben-Yossef }; 132863ee04c8SGilad Ben-Yossef 132963ee04c8SGilad Ben-Yossef static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl, 133063ee04c8SGilad Ben-Yossef struct device *dev) 133163ee04c8SGilad Ben-Yossef { 133263ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 133363ee04c8SGilad Ben-Yossef struct skcipher_alg *alg; 133463ee04c8SGilad Ben-Yossef 133563ee04c8SGilad Ben-Yossef t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); 133663ee04c8SGilad Ben-Yossef if (!t_alg) 133763ee04c8SGilad Ben-Yossef return ERR_PTR(-ENOMEM); 133863ee04c8SGilad Ben-Yossef 133963ee04c8SGilad Ben-Yossef alg = &t_alg->skcipher_alg; 134063ee04c8SGilad Ben-Yossef 134163ee04c8SGilad Ben-Yossef memcpy(alg, &tmpl->template_skcipher, sizeof(*alg)); 134263ee04c8SGilad Ben-Yossef 134363ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name); 134463ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", 134563ee04c8SGilad Ben-Yossef tmpl->driver_name); 134663ee04c8SGilad Ben-Yossef alg->base.cra_module = THIS_MODULE; 134763ee04c8SGilad Ben-Yossef alg->base.cra_priority = CC_CRA_PRIO; 134863ee04c8SGilad Ben-Yossef alg->base.cra_blocksize = tmpl->blocksize; 134963ee04c8SGilad Ben-Yossef alg->base.cra_alignmask = 0; 135063ee04c8SGilad Ben-Yossef alg->base.cra_ctxsize = sizeof(struct cc_cipher_ctx); 135163ee04c8SGilad Ben-Yossef 135263ee04c8SGilad Ben-Yossef alg->base.cra_init = cc_cipher_init; 135363ee04c8SGilad Ben-Yossef alg->base.cra_exit = cc_cipher_exit; 13542c95e6d9SEric Biggers alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; 135563ee04c8SGilad Ben-Yossef 135663ee04c8SGilad Ben-Yossef t_alg->cipher_mode = tmpl->cipher_mode; 135763ee04c8SGilad Ben-Yossef t_alg->flow_mode = tmpl->flow_mode; 135863ee04c8SGilad Ben-Yossef t_alg->data_unit = tmpl->data_unit; 135963ee04c8SGilad Ben-Yossef 136063ee04c8SGilad Ben-Yossef return t_alg; 136163ee04c8SGilad Ben-Yossef } 136263ee04c8SGilad Ben-Yossef 136363ee04c8SGilad Ben-Yossef int cc_cipher_free(struct cc_drvdata *drvdata) 136463ee04c8SGilad Ben-Yossef { 136563ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg, *n; 136663ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle = drvdata->cipher_handle; 136763ee04c8SGilad Ben-Yossef 136863ee04c8SGilad Ben-Yossef if (cipher_handle) { 136963ee04c8SGilad Ben-Yossef /* Remove registered algs */ 137063ee04c8SGilad Ben-Yossef list_for_each_entry_safe(t_alg, n, &cipher_handle->alg_list, 137163ee04c8SGilad Ben-Yossef entry) { 137263ee04c8SGilad Ben-Yossef crypto_unregister_skcipher(&t_alg->skcipher_alg); 137363ee04c8SGilad Ben-Yossef list_del(&t_alg->entry); 137463ee04c8SGilad Ben-Yossef kfree(t_alg); 137563ee04c8SGilad Ben-Yossef } 137663ee04c8SGilad Ben-Yossef kfree(cipher_handle); 137763ee04c8SGilad Ben-Yossef drvdata->cipher_handle = NULL; 137863ee04c8SGilad Ben-Yossef } 137963ee04c8SGilad Ben-Yossef return 0; 138063ee04c8SGilad Ben-Yossef } 138163ee04c8SGilad Ben-Yossef 138263ee04c8SGilad Ben-Yossef int cc_cipher_alloc(struct cc_drvdata *drvdata) 138363ee04c8SGilad Ben-Yossef { 138463ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle; 138563ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 138663ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(drvdata); 138763ee04c8SGilad Ben-Yossef int rc = -ENOMEM; 138863ee04c8SGilad Ben-Yossef int alg; 138963ee04c8SGilad Ben-Yossef 139063ee04c8SGilad Ben-Yossef cipher_handle = kmalloc(sizeof(*cipher_handle), GFP_KERNEL); 139163ee04c8SGilad Ben-Yossef if (!cipher_handle) 139263ee04c8SGilad Ben-Yossef return -ENOMEM; 139363ee04c8SGilad Ben-Yossef 139463ee04c8SGilad Ben-Yossef INIT_LIST_HEAD(&cipher_handle->alg_list); 139563ee04c8SGilad Ben-Yossef drvdata->cipher_handle = cipher_handle; 139663ee04c8SGilad Ben-Yossef 139763ee04c8SGilad Ben-Yossef /* Linux crypto */ 139863ee04c8SGilad Ben-Yossef dev_dbg(dev, "Number of algorithms = %zu\n", 139963ee04c8SGilad Ben-Yossef ARRAY_SIZE(skcipher_algs)); 140063ee04c8SGilad Ben-Yossef for (alg = 0; alg < ARRAY_SIZE(skcipher_algs); alg++) { 140127b3b22dSGilad Ben-Yossef if (skcipher_algs[alg].min_hw_rev > drvdata->hw_rev) 140227b3b22dSGilad Ben-Yossef continue; 140327b3b22dSGilad Ben-Yossef 140463ee04c8SGilad Ben-Yossef dev_dbg(dev, "creating %s\n", skcipher_algs[alg].driver_name); 140563ee04c8SGilad Ben-Yossef t_alg = cc_create_alg(&skcipher_algs[alg], dev); 140663ee04c8SGilad Ben-Yossef if (IS_ERR(t_alg)) { 140763ee04c8SGilad Ben-Yossef rc = PTR_ERR(t_alg); 140863ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg allocation failed\n", 140963ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 141063ee04c8SGilad Ben-Yossef goto fail0; 141163ee04c8SGilad Ben-Yossef } 141263ee04c8SGilad Ben-Yossef t_alg->drvdata = drvdata; 141363ee04c8SGilad Ben-Yossef 141463ee04c8SGilad Ben-Yossef dev_dbg(dev, "registering %s\n", 141563ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 141663ee04c8SGilad Ben-Yossef rc = crypto_register_skcipher(&t_alg->skcipher_alg); 141763ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s alg registration rc = %x\n", 141863ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name, rc); 141963ee04c8SGilad Ben-Yossef if (rc) { 142063ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg registration failed\n", 142163ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 142263ee04c8SGilad Ben-Yossef kfree(t_alg); 142363ee04c8SGilad Ben-Yossef goto fail0; 142463ee04c8SGilad Ben-Yossef } else { 142563ee04c8SGilad Ben-Yossef list_add_tail(&t_alg->entry, 142663ee04c8SGilad Ben-Yossef &cipher_handle->alg_list); 142763ee04c8SGilad Ben-Yossef dev_dbg(dev, "Registered %s\n", 142863ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 142963ee04c8SGilad Ben-Yossef } 143063ee04c8SGilad Ben-Yossef } 143163ee04c8SGilad Ben-Yossef return 0; 143263ee04c8SGilad Ben-Yossef 143363ee04c8SGilad Ben-Yossef fail0: 143463ee04c8SGilad Ben-Yossef cc_cipher_free(drvdata); 143563ee04c8SGilad Ben-Yossef return rc; 143663ee04c8SGilad Ben-Yossef } 1437