developer | 2df22aa | 2024-03-22 14:36:06 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /* |
| 3 | * Copyright (C) 2023 MediaTek Inc. |
| 4 | * |
| 5 | * Author: Chris.Chou <chris.chou@mediatek.com> |
| 6 | * Ren-Ting Wang <ren-ting.wang@mediatek.com> |
| 7 | */ |
| 8 | |
| 9 | #include <linux/bitops.h> |
| 10 | #include <crypto/aes.h> |
| 11 | #include <crypto/authenc.h> |
| 12 | #include <crypto/gcm.h> |
| 13 | #include <crypto/ghash.h> |
| 14 | #include <crypto/ctr.h> |
| 15 | #include <crypto/xts.h> |
| 16 | #include <crypto/internal/des.h> |
| 17 | #include <crypto/skcipher.h> |
| 18 | #include <crypto/internal/skcipher.h> |
| 19 | #include <crypto/aead.h> |
| 20 | #include <crypto/internal/aead.h> |
| 21 | |
| 22 | #include "crypto-eip/crypto-eip.h" |
| 23 | #include "crypto-eip/ddk-wrapper.h" |
| 24 | #include "crypto-eip/lookaside.h" |
| 25 | #include "crypto-eip/internal.h" |
| 26 | |
| 27 | static int mtk_crypto_skcipher_send(struct crypto_async_request *async) |
| 28 | { |
| 29 | struct skcipher_request *req = skcipher_request_cast(async); |
| 30 | struct mtk_crypto_cipher_req *mtk_req = skcipher_request_ctx(req); |
| 31 | struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
| 32 | int ret = 0; |
| 33 | |
| 34 | ret = crypto_basic_cipher(async, mtk_req, req->src, req->dst, req->cryptlen, |
| 35 | 0, 0, req->iv, skcipher->ivsize); |
| 36 | |
| 37 | if (ret != 0) |
| 38 | async->complete(async, ret); |
| 39 | |
| 40 | return ret; |
| 41 | } |
| 42 | |
| 43 | static int mtk_crypto_skcipher_handle_result(struct mtk_crypto_result *res, int err) |
| 44 | { |
| 45 | struct crypto_async_request *async = res->async; |
| 46 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(async->tfm); |
| 47 | struct skcipher_request *req = skcipher_request_cast(async); |
| 48 | struct mtk_crypto_cipher_req *mtk_req = skcipher_request_ctx(req); |
| 49 | struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); |
| 50 | |
| 51 | if (ctx->mode == MTK_CRYPTO_MODE_CBC && mtk_req->direction == MTK_CRYPTO_ENCRYPT) |
| 52 | sg_pcopy_to_buffer(req->dst, mtk_req->nr_dst, req->iv, skcipher->ivsize, |
| 53 | req->cryptlen - skcipher->ivsize); |
| 54 | |
| 55 | if (req->src == req->dst) { |
| 56 | dma_unmap_sg(crypto_dev, req->src, mtk_req->nr_src, DMA_BIDIRECTIONAL); |
| 57 | } else { |
| 58 | dma_unmap_sg(crypto_dev, req->src, mtk_req->nr_src, DMA_TO_DEVICE); |
| 59 | dma_unmap_sg(crypto_dev, req->dst, mtk_req->nr_dst, DMA_FROM_DEVICE); |
| 60 | } |
| 61 | |
| 62 | async->complete(async, err); |
| 63 | |
| 64 | crypto_free_sglist(res->eip.pkt_handle); |
| 65 | crypto_free_sglist(res->dst); |
| 66 | crypto_free_sa(res->eip.sa); |
| 67 | crypto_free_token(res->eip.token); |
| 68 | kfree(res->eip.token_context); |
| 69 | |
| 70 | return 0; |
| 71 | } |
| 72 | |
| 73 | static int mtk_crypto_aead_send(struct crypto_async_request *async) |
| 74 | { |
| 75 | struct aead_request *req = aead_request_cast(async); |
| 76 | struct crypto_aead *tfm = crypto_aead_reqtfm(req); |
| 77 | struct mtk_crypto_cipher_req *mtk_req = aead_request_ctx(req); |
| 78 | int ret; |
| 79 | |
| 80 | ret = crypto_aead_cipher(async, mtk_req, req->src, req->dst, req->cryptlen, |
| 81 | req->assoclen, crypto_aead_authsize(tfm), req->iv, |
| 82 | crypto_aead_ivsize(tfm)); |
| 83 | |
| 84 | if (ret != 0) |
| 85 | async->complete(async, ret); |
| 86 | |
| 87 | return ret; |
| 88 | } |
| 89 | |
| 90 | static int mtk_crypto_aead_handle_result(struct mtk_crypto_result *res, int err) |
| 91 | { |
| 92 | struct crypto_async_request *async = res->async; |
| 93 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(async->tfm); |
| 94 | struct aead_request *req = aead_request_cast(async); |
| 95 | struct mtk_crypto_cipher_req *mtk_req = aead_request_ctx(req); |
| 96 | struct crypto_aead *aead = crypto_aead_reqtfm(req); |
| 97 | int pkt_size; |
| 98 | uint8_t *temp; |
| 99 | |
| 100 | if (ctx->mode == MTK_CRYPTO_MODE_CCM && mtk_req->direction == MTK_CRYPTO_DECRYPT) { |
developer | d66221d | 2024-04-01 19:03:52 +0800 | [diff] [blame] | 101 | pkt_size = req->cryptlen + req->assoclen - crypto_aead_authsize(aead); |
developer | 2df22aa | 2024-03-22 14:36:06 +0800 | [diff] [blame] | 102 | |
| 103 | temp = kmalloc(pkt_size, GFP_KERNEL); |
developer | d66221d | 2024-04-01 19:03:52 +0800 | [diff] [blame] | 104 | if (!temp) { |
| 105 | CRYPTO_ERR("no enough memory for result\n"); |
| 106 | goto free_dma; |
| 107 | } |
developer | 2df22aa | 2024-03-22 14:36:06 +0800 | [diff] [blame] | 108 | memset(temp, 0, pkt_size); |
| 109 | sg_copy_to_buffer(req->dst, mtk_req->nr_dst, temp + 8, pkt_size - 8); |
| 110 | sg_copy_from_buffer(req->dst, mtk_req->nr_dst, temp, pkt_size); |
| 111 | kfree(temp); |
| 112 | } |
| 113 | |
developer | d66221d | 2024-04-01 19:03:52 +0800 | [diff] [blame] | 114 | free_dma: |
developer | 2df22aa | 2024-03-22 14:36:06 +0800 | [diff] [blame] | 115 | if (req->src == req->dst) { |
| 116 | dma_unmap_sg(crypto_dev, req->src, mtk_req->nr_src, DMA_BIDIRECTIONAL); |
| 117 | } else { |
| 118 | dma_unmap_sg(crypto_dev, req->src, mtk_req->nr_src, DMA_TO_DEVICE); |
| 119 | dma_unmap_sg(crypto_dev, req->dst, mtk_req->nr_dst, DMA_FROM_DEVICE); |
| 120 | } |
| 121 | |
| 122 | crypto_free_sglist(res->eip.pkt_handle); |
| 123 | crypto_free_sglist(res->dst); |
| 124 | crypto_free_sa(res->eip.sa); |
| 125 | crypto_free_token(res->eip.token); |
| 126 | kfree(res->eip.token_context); |
| 127 | |
| 128 | async->complete(async, err); |
| 129 | return 0; |
| 130 | } |
| 131 | |
| 132 | static int mtk_crypto_skcipher_cra_init(struct crypto_tfm *tfm) |
| 133 | { |
| 134 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 135 | struct mtk_crypto_alg_template *tmpl = |
| 136 | container_of(tfm->__crt_alg, struct mtk_crypto_alg_template, |
| 137 | alg.skcipher.base); |
| 138 | |
| 139 | crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm), |
| 140 | sizeof(struct mtk_crypto_cipher_req)); |
| 141 | ctx->priv = tmpl->priv; |
| 142 | |
| 143 | ctx->base.send = mtk_crypto_skcipher_send; |
| 144 | ctx->base.handle_result = mtk_crypto_skcipher_handle_result; |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | static int mtk_crypto_skcipher_aes_cbc_cra_init(struct crypto_tfm *tfm) |
| 149 | { |
| 150 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 151 | |
| 152 | mtk_crypto_skcipher_cra_init(tfm); |
| 153 | ctx->alg = MTK_CRYPTO_AES; |
| 154 | ctx->blocksz = AES_BLOCK_SIZE; |
| 155 | ctx->mode = MTK_CRYPTO_MODE_CBC; |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | static int mtk_crypto_skcipher_aes_ecb_cra_init(struct crypto_tfm *tfm) |
| 160 | { |
| 161 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 162 | |
| 163 | mtk_crypto_skcipher_cra_init(tfm); |
| 164 | ctx->alg = MTK_CRYPTO_AES; |
| 165 | ctx->mode = MTK_CRYPTO_MODE_ECB; |
| 166 | ctx->blocksz = 0; |
| 167 | return 0; |
| 168 | } |
| 169 | |
| 170 | static int mtk_crypto_queue_req(struct crypto_async_request *base, |
| 171 | struct mtk_crypto_cipher_req *mtk_req, |
| 172 | enum mtk_crypto_cipher_direction dir) |
| 173 | { |
| 174 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(base->tfm); |
| 175 | struct mtk_crypto_priv *priv = ctx->priv; |
| 176 | int ret; |
| 177 | |
| 178 | mtk_req->direction = dir; |
| 179 | |
| 180 | spin_lock_bh(&priv->mtk_eip_queue.queue_lock); |
| 181 | ret = crypto_enqueue_request(&priv->mtk_eip_queue.queue, base); |
| 182 | spin_unlock_bh(&priv->mtk_eip_queue.queue_lock); |
| 183 | |
| 184 | queue_work(priv->mtk_eip_queue.workqueue, |
| 185 | &priv->mtk_eip_queue.work_data.work); |
| 186 | |
| 187 | return ret; |
| 188 | } |
| 189 | |
| 190 | static int mtk_crypto_decrypt(struct skcipher_request *req) |
| 191 | { |
| 192 | return mtk_crypto_queue_req(&req->base, skcipher_request_ctx(req), MTK_CRYPTO_DECRYPT); |
| 193 | } |
| 194 | |
| 195 | static int mtk_crypto_encrypt(struct skcipher_request *req) |
| 196 | { |
| 197 | return mtk_crypto_queue_req(&req->base, skcipher_request_ctx(req), MTK_CRYPTO_ENCRYPT); |
| 198 | } |
| 199 | |
| 200 | static int mtk_crypto_skcipher_aes_setkey(struct crypto_skcipher *ctfm, |
| 201 | const u8 *key, unsigned int len) |
| 202 | { |
| 203 | struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm); |
| 204 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 205 | struct crypto_aes_ctx aes; |
| 206 | int ret; |
| 207 | int i; |
| 208 | |
| 209 | ret = aes_expandkey(&aes, key, len); |
| 210 | if (ret) |
| 211 | return ret; |
| 212 | |
| 213 | for (i = 0; i < len / sizeof(u32); i++) |
| 214 | ctx->key[i] = cpu_to_le32(aes.key_enc[i]); |
| 215 | |
| 216 | ctx->key_len = len; |
| 217 | |
| 218 | memzero_explicit(&aes, sizeof(aes)); |
| 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | static void mtk_crypto_skcipher_cra_exit(struct crypto_tfm *tfm) |
| 223 | { |
| 224 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 225 | |
| 226 | memzero_explicit(ctx->key, sizeof(ctx->key)); |
| 227 | } |
| 228 | |
| 229 | |
| 230 | struct mtk_crypto_alg_template mtk_crypto_cbc_aes = { |
| 231 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 232 | .alg.skcipher = { |
| 233 | .setkey = mtk_crypto_skcipher_aes_setkey, |
| 234 | .encrypt = mtk_crypto_encrypt, |
| 235 | .decrypt = mtk_crypto_decrypt, |
| 236 | .min_keysize = AES_MIN_KEY_SIZE, |
| 237 | .max_keysize = AES_MAX_KEY_SIZE, |
| 238 | .ivsize = AES_BLOCK_SIZE, |
| 239 | .base = { |
| 240 | .cra_name = "cbc(aes)", |
| 241 | .cra_driver_name = "crypto-eip-cbc-aes", |
| 242 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 243 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 244 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 245 | .cra_blocksize = AES_BLOCK_SIZE, |
| 246 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 247 | .cra_init = mtk_crypto_skcipher_aes_cbc_cra_init, |
| 248 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 249 | .cra_module = THIS_MODULE, |
| 250 | }, |
| 251 | }, |
| 252 | }; |
| 253 | |
| 254 | static int mtk_crypto_skcipher_aes_cfb_cra_init(struct crypto_tfm *tfm) |
| 255 | { |
| 256 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 257 | |
| 258 | mtk_crypto_skcipher_cra_init(tfm); |
| 259 | ctx->alg = MTK_CRYPTO_AES; |
| 260 | ctx->blocksz = AES_BLOCK_SIZE; |
| 261 | ctx->mode = MTK_CRYPTO_MODE_CFB; |
| 262 | return 0; |
| 263 | } |
| 264 | |
| 265 | struct mtk_crypto_alg_template mtk_crypto_cfb_aes = { |
| 266 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 267 | .alg.skcipher = { |
| 268 | .setkey = mtk_crypto_skcipher_aes_setkey, |
| 269 | .encrypt = mtk_crypto_encrypt, |
| 270 | .decrypt = mtk_crypto_decrypt, |
| 271 | .min_keysize = AES_MIN_KEY_SIZE, |
| 272 | .max_keysize = AES_MAX_KEY_SIZE, |
| 273 | .ivsize = AES_BLOCK_SIZE, |
| 274 | .base = { |
| 275 | .cra_name = "cfb(aes)", |
| 276 | .cra_driver_name = "crypto-eip-cfb-aes", |
| 277 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 278 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 279 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 280 | .cra_blocksize = 1, |
| 281 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 282 | .cra_alignmask = 0, |
| 283 | .cra_init = mtk_crypto_skcipher_aes_cfb_cra_init, |
| 284 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 285 | .cra_module = THIS_MODULE, |
| 286 | }, |
| 287 | }, |
| 288 | }; |
| 289 | |
| 290 | static int mtk_crypto_skcipher_aes_ofb_cra_init(struct crypto_tfm *tfm) |
| 291 | { |
| 292 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 293 | |
| 294 | mtk_crypto_skcipher_cra_init(tfm); |
| 295 | ctx->alg = MTK_CRYPTO_AES; |
| 296 | ctx->blocksz = AES_BLOCK_SIZE; |
| 297 | ctx->mode = MTK_CRYPTO_MODE_OFB; |
| 298 | return 0; |
| 299 | } |
| 300 | |
| 301 | struct mtk_crypto_alg_template mtk_crypto_ofb_aes = { |
| 302 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 303 | .alg.skcipher = { |
| 304 | .setkey = mtk_crypto_skcipher_aes_setkey, |
| 305 | .encrypt = mtk_crypto_encrypt, |
| 306 | .decrypt = mtk_crypto_decrypt, |
| 307 | .min_keysize = AES_MIN_KEY_SIZE, |
| 308 | .max_keysize = AES_MAX_KEY_SIZE, |
| 309 | .ivsize = AES_BLOCK_SIZE, |
| 310 | .base = { |
| 311 | .cra_name = "ofb(aes)", |
| 312 | .cra_driver_name = "crypto-eip-ofb-aes", |
| 313 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 314 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 315 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 316 | .cra_blocksize = 1, |
| 317 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 318 | .cra_alignmask = 0, |
| 319 | .cra_init = mtk_crypto_skcipher_aes_ofb_cra_init, |
| 320 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 321 | .cra_module = THIS_MODULE, |
| 322 | }, |
| 323 | }, |
| 324 | }; |
| 325 | |
| 326 | struct mtk_crypto_alg_template mtk_crypto_ecb_aes = { |
| 327 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 328 | .alg.skcipher = { |
| 329 | .setkey = mtk_crypto_skcipher_aes_setkey, |
| 330 | .encrypt = mtk_crypto_encrypt, |
| 331 | .decrypt = mtk_crypto_decrypt, |
| 332 | .min_keysize = AES_MIN_KEY_SIZE, |
| 333 | .max_keysize = AES_MAX_KEY_SIZE, |
| 334 | .base = { |
| 335 | .cra_name = "ecb(aes)", |
| 336 | .cra_driver_name = "crypto-eip-ecb-aes", |
| 337 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 338 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 339 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 340 | .cra_blocksize = AES_BLOCK_SIZE, |
| 341 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 342 | .cra_init = mtk_crypto_skcipher_aes_ecb_cra_init, |
| 343 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 344 | .cra_module = THIS_MODULE, |
| 345 | }, |
| 346 | }, |
| 347 | }; |
| 348 | |
| 349 | static int mtk_crypto_skcipher_aesctr_setkey(struct crypto_skcipher *ctfm, |
| 350 | const u8 *key, unsigned int len) |
| 351 | { |
| 352 | struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm); |
| 353 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 354 | struct crypto_aes_ctx aes; |
| 355 | int ret; |
| 356 | int i; |
| 357 | unsigned int keylen; |
| 358 | |
| 359 | ctx->nonce = *(u32 *)(key + len - CTR_RFC3686_NONCE_SIZE); |
| 360 | keylen = len - CTR_RFC3686_NONCE_SIZE; |
| 361 | ret = aes_expandkey(&aes, key, keylen); |
| 362 | if (ret) |
| 363 | return ret; |
| 364 | |
| 365 | for (i = 0; i < keylen / sizeof(u32); i++) |
| 366 | ctx->key[i] = cpu_to_le32(aes.key_enc[i]); |
| 367 | |
| 368 | ctx->key_len = keylen; |
| 369 | |
| 370 | memzero_explicit(&aes, sizeof(aes)); |
| 371 | return 0; |
| 372 | } |
| 373 | |
| 374 | static int mtk_crypto_skcipher_aes_ctr_cra_init(struct crypto_tfm *tfm) |
| 375 | { |
| 376 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 377 | |
| 378 | mtk_crypto_skcipher_cra_init(tfm); |
| 379 | ctx->alg = MTK_CRYPTO_AES; |
| 380 | ctx->blocksz = AES_BLOCK_SIZE; |
| 381 | ctx->mode = MTK_CRYPTO_MODE_CTR; |
| 382 | return 0; |
| 383 | } |
| 384 | |
| 385 | struct mtk_crypto_alg_template mtk_crypto_ctr_aes = { |
| 386 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 387 | .alg.skcipher = { |
| 388 | .setkey = mtk_crypto_skcipher_aesctr_setkey, |
| 389 | .encrypt = mtk_crypto_encrypt, |
| 390 | .decrypt = mtk_crypto_decrypt, |
| 391 | .min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE, |
| 392 | .max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE, |
| 393 | .ivsize = CTR_RFC3686_IV_SIZE, |
| 394 | .base = { |
| 395 | .cra_name = "rfc3686(ctr(aes))", |
| 396 | .cra_driver_name = "crypto-eip-ctr-aes", |
| 397 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 398 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 399 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 400 | .cra_blocksize = 1, |
| 401 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 402 | .cra_alignmask = 0, |
| 403 | .cra_init = mtk_crypto_skcipher_aes_ctr_cra_init, |
| 404 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 405 | .cra_module = THIS_MODULE, |
| 406 | }, |
| 407 | }, |
| 408 | }; |
| 409 | |
| 410 | static int mtk_crypto_des_setkey(struct crypto_skcipher *ctfm, const u8 *key, |
| 411 | unsigned int len) |
| 412 | { |
| 413 | struct mtk_crypto_cipher_ctx *ctx = crypto_skcipher_ctx(ctfm); |
| 414 | int ret; |
| 415 | |
| 416 | ret = verify_skcipher_des_key(ctfm, key); |
| 417 | if (ret) |
| 418 | return ret; |
| 419 | memcpy(ctx->key, key, len); |
| 420 | ctx->key_len = len; |
| 421 | |
| 422 | return 0; |
| 423 | } |
| 424 | |
| 425 | static int mtk_crypto_skcipher_des_cbc_cra_init(struct crypto_tfm *tfm) |
| 426 | { |
| 427 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 428 | |
| 429 | mtk_crypto_skcipher_cra_init(tfm); |
| 430 | ctx->alg = MTK_CRYPTO_DES; |
| 431 | ctx->blocksz = DES_BLOCK_SIZE; |
| 432 | ctx->mode = MTK_CRYPTO_MODE_CBC; |
| 433 | return 0; |
| 434 | } |
| 435 | |
| 436 | struct mtk_crypto_alg_template mtk_crypto_cbc_des = { |
| 437 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 438 | .alg.skcipher = { |
| 439 | .setkey = mtk_crypto_des_setkey, |
| 440 | .encrypt = mtk_crypto_encrypt, |
| 441 | .decrypt = mtk_crypto_decrypt, |
| 442 | .min_keysize = DES_KEY_SIZE, |
| 443 | .max_keysize = DES_KEY_SIZE, |
| 444 | .ivsize = DES_BLOCK_SIZE, |
| 445 | .base = { |
| 446 | .cra_name = "cbc(des)", |
| 447 | .cra_driver_name = "crypto-eip-cbc-des", |
| 448 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 449 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 450 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 451 | .cra_blocksize = DES_BLOCK_SIZE, |
| 452 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 453 | .cra_alignmask = 0, |
| 454 | .cra_init = mtk_crypto_skcipher_des_cbc_cra_init, |
| 455 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 456 | .cra_module = THIS_MODULE, |
| 457 | }, |
| 458 | }, |
| 459 | }; |
| 460 | |
| 461 | static int mtk_crypto_skcipher_des_ecb_cra_init(struct crypto_tfm *tfm) |
| 462 | { |
| 463 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 464 | |
| 465 | mtk_crypto_skcipher_cra_init(tfm); |
| 466 | ctx->alg = MTK_CRYPTO_DES; |
| 467 | ctx->mode = MTK_CRYPTO_MODE_ECB; |
| 468 | ctx->blocksz = 0; |
| 469 | return 0; |
| 470 | } |
| 471 | |
| 472 | struct mtk_crypto_alg_template mtk_crypto_ecb_des = { |
| 473 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 474 | .alg.skcipher = { |
| 475 | .setkey = mtk_crypto_des_setkey, |
| 476 | .encrypt = mtk_crypto_encrypt, |
| 477 | .decrypt = mtk_crypto_decrypt, |
| 478 | .min_keysize = DES_KEY_SIZE, |
| 479 | .max_keysize = DES_KEY_SIZE, |
| 480 | .base = { |
| 481 | .cra_name = "ecb(des)", |
| 482 | .cra_driver_name = "crypto-eip-ecb-des", |
| 483 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 484 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 485 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 486 | .cra_blocksize = DES_BLOCK_SIZE, |
| 487 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 488 | .cra_alignmask = 0, |
| 489 | .cra_init = mtk_crypto_skcipher_des_ecb_cra_init, |
| 490 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 491 | .cra_module = THIS_MODULE, |
| 492 | }, |
| 493 | }, |
| 494 | }; |
| 495 | |
| 496 | static int mtk_crypto_des3_ede_setkey(struct crypto_skcipher *ctfm, |
| 497 | const u8 *key, unsigned int len) |
| 498 | { |
| 499 | struct mtk_crypto_cipher_ctx *ctx = crypto_skcipher_ctx(ctfm); |
| 500 | int err; |
| 501 | |
| 502 | err = verify_skcipher_des3_key(ctfm, key); |
| 503 | if (err) |
| 504 | return err; |
| 505 | |
| 506 | memcpy(ctx->key, key, len); |
| 507 | ctx->key_len = len; |
| 508 | return 0; |
| 509 | } |
| 510 | |
| 511 | static int mtk_crypto_skcipher_des3_cbc_cra_init(struct crypto_tfm *tfm) |
| 512 | { |
| 513 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 514 | |
| 515 | mtk_crypto_skcipher_cra_init(tfm); |
| 516 | ctx->alg = MTK_CRYPTO_3DES; |
| 517 | ctx->mode = MTK_CRYPTO_MODE_CBC; |
| 518 | ctx->blocksz = 0; |
| 519 | return 0; |
| 520 | } |
| 521 | |
| 522 | struct mtk_crypto_alg_template mtk_crypto_cbc_des3_ede = { |
| 523 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 524 | .alg.skcipher = { |
| 525 | .setkey = mtk_crypto_des3_ede_setkey, |
| 526 | .encrypt = mtk_crypto_encrypt, |
| 527 | .decrypt = mtk_crypto_decrypt, |
| 528 | .min_keysize = DES3_EDE_KEY_SIZE, |
| 529 | .max_keysize = DES3_EDE_KEY_SIZE, |
| 530 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 531 | .base = { |
| 532 | .cra_name = "cbc(des3_ede)", |
| 533 | .cra_driver_name = "crypto-eip-cbc-des3_ede", |
| 534 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 535 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 536 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 537 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 538 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 539 | .cra_alignmask = 0, |
| 540 | .cra_init = mtk_crypto_skcipher_des3_cbc_cra_init, |
| 541 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 542 | .cra_module = THIS_MODULE, |
| 543 | }, |
| 544 | }, |
| 545 | }; |
| 546 | |
| 547 | static int mtk_crypto_skcipher_des3_ecb_cra_init(struct crypto_tfm *tfm) |
| 548 | { |
| 549 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 550 | |
| 551 | mtk_crypto_skcipher_cra_init(tfm); |
| 552 | ctx->alg = MTK_CRYPTO_3DES; |
| 553 | ctx->mode = MTK_CRYPTO_MODE_ECB; |
| 554 | ctx->blocksz = 0; |
| 555 | return 0; |
| 556 | } |
| 557 | |
| 558 | struct mtk_crypto_alg_template mtk_crypto_ecb_des3_ede = { |
| 559 | .type = MTK_CRYPTO_ALG_TYPE_SKCIPHER, |
| 560 | .alg.skcipher = { |
| 561 | .setkey = mtk_crypto_des3_ede_setkey, |
| 562 | .encrypt = mtk_crypto_encrypt, |
| 563 | .decrypt = mtk_crypto_decrypt, |
| 564 | .min_keysize = DES3_EDE_KEY_SIZE, |
| 565 | .max_keysize = DES3_EDE_KEY_SIZE, |
| 566 | .base = { |
| 567 | .cra_name = "ecb(des3_ede)", |
| 568 | .cra_driver_name = "crypto-eip-ecb-des3_ede", |
| 569 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 570 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 571 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 572 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 573 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 574 | .cra_alignmask = 0, |
| 575 | .cra_init = mtk_crypto_skcipher_des3_ecb_cra_init, |
| 576 | .cra_exit = mtk_crypto_skcipher_cra_exit, |
| 577 | .cra_module = THIS_MODULE, |
| 578 | }, |
| 579 | }, |
| 580 | }; |
| 581 | |
| 582 | static int mtk_crypto_aead_encrypt(struct aead_request *req) |
| 583 | { |
| 584 | struct mtk_crypto_cipher_req *creq = aead_request_ctx(req); |
| 585 | |
| 586 | return mtk_crypto_queue_req(&req->base, creq, MTK_CRYPTO_ENCRYPT); |
| 587 | } |
| 588 | |
| 589 | static int mtk_crypto_aead_decrypt(struct aead_request *req) |
| 590 | { |
| 591 | struct mtk_crypto_cipher_req *creq = aead_request_ctx(req); |
| 592 | |
| 593 | return mtk_crypto_queue_req(&req->base, creq, MTK_CRYPTO_DECRYPT); |
| 594 | } |
| 595 | |
| 596 | static void mtk_crypto_aead_cra_exit(struct crypto_tfm *tfm) |
| 597 | { |
| 598 | mtk_crypto_skcipher_cra_exit(tfm); |
| 599 | } |
| 600 | |
| 601 | static int mtk_crypto_aead_cra_init(struct crypto_tfm *tfm) |
| 602 | { |
| 603 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 604 | struct mtk_crypto_alg_template *tmpl = |
| 605 | container_of(tfm->__crt_alg, struct mtk_crypto_alg_template, alg.aead.base); |
| 606 | |
| 607 | crypto_aead_set_reqsize(__crypto_aead_cast(tfm), sizeof(struct mtk_crypto_cipher_req)); |
| 608 | |
| 609 | ctx->priv = tmpl->priv; |
| 610 | |
| 611 | ctx->alg = MTK_CRYPTO_AES; |
| 612 | ctx->blocksz = AES_BLOCK_SIZE; |
| 613 | ctx->mode = MTK_CRYPTO_MODE_CBC; |
| 614 | ctx->aead = true; |
| 615 | ctx->base.send = mtk_crypto_aead_send; |
| 616 | ctx->base.handle_result = mtk_crypto_aead_handle_result; |
| 617 | return 0; |
| 618 | } |
| 619 | |
| 620 | static int mtk_crypto_aead_sha1_cra_init(struct crypto_tfm *tfm) |
| 621 | { |
| 622 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 623 | |
| 624 | mtk_crypto_aead_cra_init(tfm); |
| 625 | ctx->hash_alg = MTK_CRYPTO_ALG_SHA1; |
| 626 | ctx->state_sz = SHA1_DIGEST_SIZE; |
| 627 | return 0; |
| 628 | } |
| 629 | |
| 630 | static int mtk_crypto_aead_setkey(struct crypto_aead *ctfm, const u8 *key, unsigned int len) |
| 631 | { |
| 632 | struct crypto_tfm *tfm = crypto_aead_tfm(ctfm); |
| 633 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 634 | struct mtk_crypto_ahash_export_state istate, ostate; |
| 635 | struct crypto_authenc_keys keys; |
| 636 | struct crypto_aes_ctx aes; |
| 637 | int err = -EINVAL, i; |
| 638 | |
developer | d66221d | 2024-04-01 19:03:52 +0800 | [diff] [blame] | 639 | memset(&istate, 0, sizeof(struct mtk_crypto_ahash_export_state)); |
| 640 | memset(&ostate, 0, sizeof(struct mtk_crypto_ahash_export_state)); |
| 641 | |
developer | 2df22aa | 2024-03-22 14:36:06 +0800 | [diff] [blame] | 642 | if (unlikely(crypto_authenc_extractkeys(&keys, key, len))) |
| 643 | goto badkey; |
| 644 | |
| 645 | if (ctx->mode == MTK_CRYPTO_MODE_CTR) { |
| 646 | if (unlikely(keys.enckeylen < CTR_RFC3686_NONCE_SIZE)) |
| 647 | goto badkey; |
| 648 | |
| 649 | ctx->nonce = *(u32 *)(keys.enckey + keys.enckeylen - CTR_RFC3686_NONCE_SIZE); |
| 650 | keys.enckeylen -= CTR_RFC3686_NONCE_SIZE; |
| 651 | } |
| 652 | |
| 653 | switch (ctx->alg) { |
| 654 | case MTK_CRYPTO_AES: |
| 655 | err = aes_expandkey(&aes, keys.enckey, keys.enckeylen); |
| 656 | if (unlikely(err)) |
| 657 | goto badkey; |
| 658 | break; |
| 659 | case MTK_CRYPTO_DES: |
| 660 | err = verify_aead_des_key(ctfm, keys.enckey, keys.enckeylen); |
| 661 | if (unlikely(err)) |
| 662 | goto badkey; |
| 663 | break; |
| 664 | case MTK_CRYPTO_3DES: |
| 665 | err = verify_aead_des3_key(ctfm, keys.enckey, keys.enckeylen); |
| 666 | if (unlikely(err)) |
| 667 | goto badkey; |
| 668 | break; |
| 669 | default: |
| 670 | CRYPTO_ERR("aead: unsupported cipher algorithm\n"); |
| 671 | goto badkey; |
| 672 | } |
| 673 | |
| 674 | switch (ctx->hash_alg) { |
| 675 | case MTK_CRYPTO_ALG_SHA1: |
| 676 | err = mtk_crypto_hmac_setkey("crypto-eip-sha1", keys.authkey, |
| 677 | keys.authkeylen, &istate, &ostate); |
| 678 | if (err) |
| 679 | goto badkey; |
| 680 | break; |
| 681 | case MTK_CRYPTO_ALG_SHA224: |
| 682 | if (mtk_crypto_hmac_setkey("crypto-eip-sha224", keys.authkey, |
| 683 | keys.authkeylen, &istate, &ostate)) |
| 684 | goto badkey; |
| 685 | break; |
| 686 | case MTK_CRYPTO_ALG_SHA256: |
| 687 | if (mtk_crypto_hmac_setkey("crypto-eip-sha256", keys.authkey, |
| 688 | keys.authkeylen, &istate, &ostate)) |
| 689 | goto badkey; |
| 690 | break; |
| 691 | case MTK_CRYPTO_ALG_SHA384: |
| 692 | if (mtk_crypto_hmac_setkey("crypto-eip-sha384", keys.authkey, |
| 693 | keys.authkeylen, &istate, &ostate)) |
| 694 | goto badkey; |
| 695 | break; |
| 696 | case MTK_CRYPTO_ALG_SHA512: |
| 697 | if (mtk_crypto_hmac_setkey("crypto-eip-sha512", keys.authkey, |
| 698 | keys.authkeylen, &istate, &ostate)) |
| 699 | goto badkey; |
| 700 | break; |
| 701 | case MTK_CRYPTO_ALG_MD5: |
| 702 | if (mtk_crypto_hmac_setkey("crypto-eip-md5", keys.authkey, |
| 703 | keys.authkeylen, &istate, &ostate)) |
| 704 | goto badkey; |
| 705 | break; |
| 706 | default: |
| 707 | CRYPTO_ERR("aead: unsupported hash algorithm\n"); |
| 708 | goto badkey; |
| 709 | } |
| 710 | |
| 711 | for (i = 0; i < keys.enckeylen / sizeof(u32); i++) |
| 712 | ctx->key[i] = cpu_to_le32(((u32 *)keys.enckey)[i]); |
| 713 | ctx->key_len = keys.enckeylen; |
| 714 | |
| 715 | memcpy(ctx->ipad, &istate.state, ctx->state_sz); |
| 716 | memcpy(ctx->opad, &ostate.state, ctx->state_sz); |
| 717 | |
| 718 | if (istate.sa_pointer) |
| 719 | crypto_free_sa(istate.sa_pointer); |
| 720 | kfree(istate.token_context); |
| 721 | if (ostate.sa_pointer) |
| 722 | crypto_free_sa(ostate.sa_pointer); |
| 723 | kfree(ostate.token_context); |
| 724 | |
| 725 | memzero_explicit(&keys, sizeof(keys)); |
| 726 | return 0; |
| 727 | |
| 728 | badkey: |
| 729 | memzero_explicit(&keys, sizeof(keys)); |
| 730 | return err; |
| 731 | } |
| 732 | |
| 733 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha1_cbc_aes = { |
| 734 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 735 | .alg.aead = { |
| 736 | .setkey = mtk_crypto_aead_setkey, |
| 737 | .encrypt = mtk_crypto_aead_encrypt, |
| 738 | .decrypt = mtk_crypto_aead_decrypt, |
| 739 | .ivsize = AES_BLOCK_SIZE, |
| 740 | .maxauthsize = SHA1_DIGEST_SIZE, |
| 741 | .base = { |
| 742 | .cra_name = "authenc(hmac(sha1),cbc(aes))", |
| 743 | .cra_driver_name = "crypto-eip-hmac-sha1-cbc-aes", |
| 744 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 745 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 746 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 747 | .cra_blocksize = AES_BLOCK_SIZE, |
| 748 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 749 | .cra_alignmask = 0, |
| 750 | .cra_init = mtk_crypto_aead_sha1_cra_init, |
| 751 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 752 | .cra_module = THIS_MODULE, |
| 753 | }, |
| 754 | }, |
| 755 | }; |
| 756 | |
| 757 | static int mtk_crypto_aead_sha224_cra_init(struct crypto_tfm *tfm) |
| 758 | { |
| 759 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 760 | |
| 761 | mtk_crypto_aead_cra_init(tfm); |
| 762 | ctx->hash_alg = MTK_CRYPTO_ALG_SHA224; |
| 763 | ctx->state_sz = SHA256_DIGEST_SIZE; |
| 764 | return 0; |
| 765 | } |
| 766 | |
| 767 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha224_cbc_aes = { |
| 768 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 769 | .alg.aead = { |
| 770 | .setkey = mtk_crypto_aead_setkey, |
| 771 | .encrypt = mtk_crypto_aead_encrypt, |
| 772 | .decrypt = mtk_crypto_aead_decrypt, |
| 773 | .ivsize = AES_BLOCK_SIZE, |
| 774 | .maxauthsize = SHA224_DIGEST_SIZE, |
| 775 | .base = { |
| 776 | .cra_name = "authenc(hmac(sha224),cbc(aes))", |
| 777 | .cra_driver_name = "crypto-eip-hmac-sha224-cbc-aes", |
| 778 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 779 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 780 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 781 | .cra_blocksize = AES_BLOCK_SIZE, |
| 782 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 783 | .cra_alignmask = 0, |
| 784 | .cra_init = mtk_crypto_aead_sha224_cra_init, |
| 785 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 786 | .cra_module = THIS_MODULE, |
| 787 | }, |
| 788 | }, |
| 789 | }; |
| 790 | |
| 791 | static int mtk_crypto_aead_sha256_cra_init(struct crypto_tfm *tfm) |
| 792 | { |
| 793 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 794 | |
| 795 | mtk_crypto_aead_cra_init(tfm); |
| 796 | ctx->hash_alg = MTK_CRYPTO_ALG_SHA256; |
| 797 | ctx->state_sz = SHA256_DIGEST_SIZE; |
| 798 | return 0; |
| 799 | } |
| 800 | |
| 801 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha256_cbc_aes = { |
| 802 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 803 | .alg.aead = { |
| 804 | .setkey = mtk_crypto_aead_setkey, |
| 805 | .encrypt = mtk_crypto_aead_encrypt, |
| 806 | .decrypt = mtk_crypto_aead_decrypt, |
| 807 | .ivsize = AES_BLOCK_SIZE, |
| 808 | .maxauthsize = SHA256_DIGEST_SIZE, |
| 809 | .base = { |
| 810 | .cra_name = "authenc(hmac(sha256),cbc(aes))", |
| 811 | .cra_driver_name = "crypto-eip-hmac-sha256-cbc-aes", |
| 812 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 813 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 814 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 815 | .cra_blocksize = AES_BLOCK_SIZE, |
| 816 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 817 | .cra_alignmask = 0, |
| 818 | .cra_init = mtk_crypto_aead_sha256_cra_init, |
| 819 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 820 | .cra_module = THIS_MODULE, |
| 821 | }, |
| 822 | }, |
| 823 | }; |
| 824 | |
| 825 | static int mtk_crypto_aead_sha384_cra_init(struct crypto_tfm *tfm) |
| 826 | { |
| 827 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 828 | |
| 829 | mtk_crypto_aead_cra_init(tfm); |
| 830 | ctx->hash_alg = MTK_CRYPTO_ALG_SHA384; |
| 831 | ctx->state_sz = SHA512_DIGEST_SIZE; |
| 832 | return 0; |
| 833 | } |
| 834 | |
| 835 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha384_cbc_aes = { |
| 836 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 837 | .alg.aead = { |
| 838 | .setkey = mtk_crypto_aead_setkey, |
| 839 | .encrypt = mtk_crypto_aead_encrypt, |
| 840 | .decrypt = mtk_crypto_aead_decrypt, |
| 841 | .ivsize = AES_BLOCK_SIZE, |
| 842 | .maxauthsize = SHA384_DIGEST_SIZE, |
| 843 | .base = { |
| 844 | .cra_name = "authenc(hmac(sha384),cbc(aes))", |
| 845 | .cra_driver_name = "crypto-eip-hmac-sha384-cbc-aes", |
| 846 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 847 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 848 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 849 | .cra_blocksize = AES_BLOCK_SIZE, |
| 850 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 851 | .cra_alignmask = 0, |
| 852 | .cra_init = mtk_crypto_aead_sha384_cra_init, |
| 853 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 854 | .cra_module = THIS_MODULE, |
| 855 | }, |
| 856 | }, |
| 857 | }; |
| 858 | |
| 859 | static int mtk_crypto_aead_sha512_cra_init(struct crypto_tfm *tfm) |
| 860 | { |
| 861 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 862 | |
| 863 | mtk_crypto_aead_cra_init(tfm); |
| 864 | ctx->hash_alg = MTK_CRYPTO_ALG_SHA512; |
| 865 | ctx->state_sz = SHA512_DIGEST_SIZE; |
| 866 | return 0; |
| 867 | } |
| 868 | |
| 869 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha512_cbc_aes = { |
| 870 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 871 | .alg.aead = { |
| 872 | .setkey = mtk_crypto_aead_setkey, |
| 873 | .encrypt = mtk_crypto_aead_encrypt, |
| 874 | .decrypt = mtk_crypto_aead_decrypt, |
| 875 | .ivsize = AES_BLOCK_SIZE, |
| 876 | .maxauthsize = SHA512_DIGEST_SIZE, |
| 877 | .base = { |
| 878 | .cra_name = "authenc(hmac(sha512),cbc(aes))", |
| 879 | .cra_driver_name = "crypto-eip-hmac-sha512-cbc-aes", |
| 880 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 881 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 882 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 883 | .cra_blocksize = AES_BLOCK_SIZE, |
| 884 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 885 | .cra_alignmask = 0, |
| 886 | .cra_init = mtk_crypto_aead_sha512_cra_init, |
| 887 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 888 | .cra_module = THIS_MODULE, |
| 889 | }, |
| 890 | }, |
| 891 | }; |
| 892 | |
| 893 | static int mtk_crypto_aead_md5_cra_init(struct crypto_tfm *tfm) |
| 894 | { |
| 895 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 896 | |
| 897 | mtk_crypto_aead_cra_init(tfm); |
| 898 | ctx->hash_alg = MTK_CRYPTO_ALG_MD5; |
| 899 | ctx->state_sz = MD5_DIGEST_SIZE; |
| 900 | return 0; |
| 901 | } |
| 902 | |
| 903 | struct mtk_crypto_alg_template mtk_crypto_hmac_md5_cbc_aes = { |
| 904 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 905 | .alg.aead = { |
| 906 | .setkey = mtk_crypto_aead_setkey, |
| 907 | .encrypt = mtk_crypto_aead_encrypt, |
| 908 | .decrypt = mtk_crypto_aead_decrypt, |
| 909 | .ivsize = AES_BLOCK_SIZE, |
| 910 | .maxauthsize = SHA512_DIGEST_SIZE, |
| 911 | .base = { |
| 912 | .cra_name = "authenc(hmac(md5),cbc(aes))", |
| 913 | .cra_driver_name = "crypto-eip-hmac-md5-cbc-aes", |
| 914 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 915 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 916 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 917 | .cra_blocksize = AES_BLOCK_SIZE, |
| 918 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 919 | .cra_alignmask = 0, |
| 920 | .cra_init = mtk_crypto_aead_md5_cra_init, |
| 921 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 922 | .cra_module = THIS_MODULE, |
| 923 | }, |
| 924 | }, |
| 925 | }; |
| 926 | |
| 927 | static int mtk_crypto_aead_sha1_des3_cra_init(struct crypto_tfm *tfm) |
| 928 | { |
| 929 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 930 | |
| 931 | mtk_crypto_aead_sha1_cra_init(tfm); |
| 932 | ctx->alg = MTK_CRYPTO_3DES; |
| 933 | ctx->blocksz = DES3_EDE_BLOCK_SIZE; |
| 934 | return 0; |
| 935 | } |
| 936 | |
| 937 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha1_cbc_des3_ede = { |
| 938 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 939 | .alg.aead = { |
| 940 | .setkey = mtk_crypto_aead_setkey, |
| 941 | .encrypt = mtk_crypto_aead_encrypt, |
| 942 | .decrypt = mtk_crypto_aead_decrypt, |
| 943 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 944 | .maxauthsize = SHA1_DIGEST_SIZE, |
| 945 | .base = { |
| 946 | .cra_name = "authenc(hmac(sha1),cbc(des3_ede))", |
| 947 | .cra_driver_name = "crypto-eip-hmac-sha1-cbc-des3_ede", |
| 948 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 949 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 950 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 951 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 952 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 953 | .cra_alignmask = 0, |
| 954 | .cra_init = mtk_crypto_aead_sha1_des3_cra_init, |
| 955 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 956 | .cra_module = THIS_MODULE, |
| 957 | }, |
| 958 | }, |
| 959 | }; |
| 960 | |
| 961 | static int mtk_crypto_aead_sha224_des3_cra_init(struct crypto_tfm *tfm) |
| 962 | { |
| 963 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 964 | |
| 965 | mtk_crypto_aead_sha224_cra_init(tfm); |
| 966 | ctx->alg = MTK_CRYPTO_3DES; |
| 967 | ctx->blocksz = DES3_EDE_BLOCK_SIZE; |
| 968 | return 0; |
| 969 | } |
| 970 | |
| 971 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha224_cbc_des3_ede = { |
| 972 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 973 | .alg.aead = { |
| 974 | .setkey = mtk_crypto_aead_setkey, |
| 975 | .encrypt = mtk_crypto_aead_encrypt, |
| 976 | .decrypt = mtk_crypto_aead_decrypt, |
| 977 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 978 | .maxauthsize = SHA224_DIGEST_SIZE, |
| 979 | .base = { |
| 980 | .cra_name = "authenc(hmac(sha224),cbc(des3_ede))", |
| 981 | .cra_driver_name = "crypto-eip-hmac-sha224-cbc-des3_ede", |
| 982 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 983 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 984 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 985 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 986 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 987 | .cra_alignmask = 0, |
| 988 | .cra_init = mtk_crypto_aead_sha224_des3_cra_init, |
| 989 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 990 | .cra_module = THIS_MODULE, |
| 991 | }, |
| 992 | }, |
| 993 | }; |
| 994 | |
| 995 | static int mtk_crypto_aead_sha256_des3_cra_init(struct crypto_tfm *tfm) |
| 996 | { |
| 997 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 998 | |
| 999 | mtk_crypto_aead_sha256_cra_init(tfm); |
| 1000 | ctx->alg = MTK_CRYPTO_3DES; |
| 1001 | ctx->blocksz = DES3_EDE_BLOCK_SIZE; |
| 1002 | return 0; |
| 1003 | } |
| 1004 | |
| 1005 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha256_cbc_des3_ede = { |
| 1006 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1007 | .alg.aead = { |
| 1008 | .setkey = mtk_crypto_aead_setkey, |
| 1009 | .encrypt = mtk_crypto_aead_encrypt, |
| 1010 | .decrypt = mtk_crypto_aead_decrypt, |
| 1011 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 1012 | .maxauthsize = SHA256_DIGEST_SIZE, |
| 1013 | .base = { |
| 1014 | .cra_name = "authenc(hmac(sha256),cbc(des3_ede))", |
| 1015 | .cra_driver_name = "crypto-eip-hmac-sha256-cbc-des3_ede", |
| 1016 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1017 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1018 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1019 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 1020 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1021 | .cra_alignmask = 0, |
| 1022 | .cra_init = mtk_crypto_aead_sha256_des3_cra_init, |
| 1023 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1024 | .cra_module = THIS_MODULE, |
| 1025 | }, |
| 1026 | }, |
| 1027 | }; |
| 1028 | |
| 1029 | static int mtk_crypto_aead_sha384_des3_cra_init(struct crypto_tfm *tfm) |
| 1030 | { |
| 1031 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1032 | |
| 1033 | mtk_crypto_aead_sha384_cra_init(tfm); |
| 1034 | ctx->alg = MTK_CRYPTO_3DES; |
| 1035 | ctx->blocksz = DES3_EDE_BLOCK_SIZE; |
| 1036 | return 0; |
| 1037 | } |
| 1038 | |
| 1039 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha384_cbc_des3_ede = { |
| 1040 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1041 | .alg.aead = { |
| 1042 | .setkey = mtk_crypto_aead_setkey, |
| 1043 | .encrypt = mtk_crypto_aead_encrypt, |
| 1044 | .decrypt = mtk_crypto_aead_decrypt, |
| 1045 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 1046 | .maxauthsize = SHA384_DIGEST_SIZE, |
| 1047 | .base = { |
| 1048 | .cra_name = "authenc(hmac(sha384),cbc(des3_ede))", |
| 1049 | .cra_driver_name = "crypto-eip-hmac-sha384-cbc-des3_ede", |
| 1050 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1051 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1052 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1053 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 1054 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1055 | .cra_alignmask = 0, |
| 1056 | .cra_init = mtk_crypto_aead_sha384_des3_cra_init, |
| 1057 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1058 | .cra_module = THIS_MODULE, |
| 1059 | }, |
| 1060 | }, |
| 1061 | }; |
| 1062 | |
| 1063 | static int mtk_crypto_aead_sha512_des3_cra_init(struct crypto_tfm *tfm) |
| 1064 | { |
| 1065 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1066 | |
| 1067 | mtk_crypto_aead_sha512_cra_init(tfm); |
| 1068 | ctx->alg = MTK_CRYPTO_3DES; |
| 1069 | ctx->blocksz = DES3_EDE_BLOCK_SIZE; |
| 1070 | return 0; |
| 1071 | } |
| 1072 | |
| 1073 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha512_cbc_des3_ede = { |
| 1074 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1075 | .alg.aead = { |
| 1076 | .setkey = mtk_crypto_aead_setkey, |
| 1077 | .encrypt = mtk_crypto_aead_encrypt, |
| 1078 | .decrypt = mtk_crypto_aead_decrypt, |
| 1079 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 1080 | .maxauthsize = SHA512_DIGEST_SIZE, |
| 1081 | .base = { |
| 1082 | .cra_name = "authenc(hmac(sha512),cbc(des3_ede))", |
| 1083 | .cra_driver_name = "crypto-eip-hmac-sha512-cbc-des3_ede", |
| 1084 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1085 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1086 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1087 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 1088 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1089 | .cra_alignmask = 0, |
| 1090 | .cra_init = mtk_crypto_aead_sha512_des3_cra_init, |
| 1091 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1092 | .cra_module = THIS_MODULE, |
| 1093 | }, |
| 1094 | }, |
| 1095 | }; |
| 1096 | |
| 1097 | static int mtk_crypto_aead_md5_des3_cra_init(struct crypto_tfm *tfm) |
| 1098 | { |
| 1099 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1100 | |
| 1101 | mtk_crypto_aead_md5_cra_init(tfm); |
| 1102 | ctx->alg = MTK_CRYPTO_3DES; |
| 1103 | ctx->blocksz = DES3_EDE_BLOCK_SIZE; |
| 1104 | return 0; |
| 1105 | } |
| 1106 | |
| 1107 | struct mtk_crypto_alg_template mtk_crypto_hmac_md5_cbc_des3_ede = { |
| 1108 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1109 | .alg.aead = { |
| 1110 | .setkey = mtk_crypto_aead_setkey, |
| 1111 | .encrypt = mtk_crypto_aead_encrypt, |
| 1112 | .decrypt = mtk_crypto_aead_decrypt, |
| 1113 | .ivsize = DES3_EDE_BLOCK_SIZE, |
| 1114 | .maxauthsize = MD5_DIGEST_SIZE, |
| 1115 | .base = { |
| 1116 | .cra_name = "authenc(hmac(md5),cbc(des3_ede))", |
| 1117 | .cra_driver_name = "crypto-eip-hmac-md5-cbc-des3_ede", |
| 1118 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1119 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1120 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1121 | .cra_blocksize = DES3_EDE_BLOCK_SIZE, |
| 1122 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1123 | .cra_alignmask = 0, |
| 1124 | .cra_init = mtk_crypto_aead_md5_des3_cra_init, |
| 1125 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1126 | .cra_module = THIS_MODULE, |
| 1127 | }, |
| 1128 | }, |
| 1129 | }; |
| 1130 | |
| 1131 | static int mtk_crypto_aead_sha1_des_cra_init(struct crypto_tfm *tfm) |
| 1132 | { |
| 1133 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1134 | |
| 1135 | mtk_crypto_aead_sha1_cra_init(tfm); |
| 1136 | ctx->alg = MTK_CRYPTO_DES; |
| 1137 | ctx->blocksz = DES_BLOCK_SIZE; |
| 1138 | return 0; |
| 1139 | } |
| 1140 | |
| 1141 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha1_cbc_des = { |
| 1142 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1143 | .alg.aead = { |
| 1144 | .setkey = mtk_crypto_aead_setkey, |
| 1145 | .encrypt = mtk_crypto_aead_encrypt, |
| 1146 | .decrypt = mtk_crypto_aead_decrypt, |
| 1147 | .ivsize = DES_BLOCK_SIZE, |
| 1148 | .maxauthsize = SHA1_DIGEST_SIZE, |
| 1149 | .base = { |
| 1150 | .cra_name = "authenc(hmac(sha1),cbc(des))", |
| 1151 | .cra_driver_name = "crypto-eip-hmac-sha1-cbc-des", |
| 1152 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1153 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1154 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1155 | .cra_blocksize = DES_BLOCK_SIZE, |
| 1156 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1157 | .cra_alignmask = 0, |
| 1158 | .cra_init = mtk_crypto_aead_sha1_des_cra_init, |
| 1159 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1160 | .cra_module = THIS_MODULE, |
| 1161 | }, |
| 1162 | }, |
| 1163 | }; |
| 1164 | |
| 1165 | static int mtk_crypto_aead_sha224_des_cra_init(struct crypto_tfm *tfm) |
| 1166 | { |
| 1167 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1168 | |
| 1169 | mtk_crypto_aead_sha224_cra_init(tfm); |
| 1170 | ctx->alg = MTK_CRYPTO_DES; |
| 1171 | ctx->blocksz = DES_BLOCK_SIZE; |
| 1172 | return 0; |
| 1173 | } |
| 1174 | |
| 1175 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha224_cbc_des = { |
| 1176 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1177 | .alg.aead = { |
| 1178 | .setkey = mtk_crypto_aead_setkey, |
| 1179 | .encrypt = mtk_crypto_aead_encrypt, |
| 1180 | .decrypt = mtk_crypto_aead_decrypt, |
| 1181 | .ivsize = DES_BLOCK_SIZE, |
| 1182 | .maxauthsize = SHA224_DIGEST_SIZE, |
| 1183 | .base = { |
| 1184 | .cra_name = "authenc(hmac(sha224),cbc(des))", |
| 1185 | .cra_driver_name = "crypto-eip-hmac-sha224-cbc-des", |
| 1186 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1187 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1188 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1189 | .cra_blocksize = DES_BLOCK_SIZE, |
| 1190 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1191 | .cra_alignmask = 0, |
| 1192 | .cra_init = mtk_crypto_aead_sha224_des_cra_init, |
| 1193 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1194 | .cra_module = THIS_MODULE, |
| 1195 | }, |
| 1196 | }, |
| 1197 | }; |
| 1198 | |
| 1199 | static int mtk_crypto_aead_sha256_des_cra_init(struct crypto_tfm *tfm) |
| 1200 | { |
| 1201 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1202 | |
| 1203 | mtk_crypto_aead_sha256_cra_init(tfm); |
| 1204 | ctx->alg = MTK_CRYPTO_DES; |
| 1205 | ctx->blocksz = DES_BLOCK_SIZE; |
| 1206 | return 0; |
| 1207 | } |
| 1208 | |
| 1209 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha256_cbc_des = { |
| 1210 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1211 | .alg.aead = { |
| 1212 | .setkey = mtk_crypto_aead_setkey, |
| 1213 | .encrypt = mtk_crypto_aead_encrypt, |
| 1214 | .decrypt = mtk_crypto_aead_decrypt, |
| 1215 | .ivsize = DES_BLOCK_SIZE, |
| 1216 | .maxauthsize = SHA256_DIGEST_SIZE, |
| 1217 | .base = { |
| 1218 | .cra_name = "authenc(hmac(sha256),cbc(des))", |
| 1219 | .cra_driver_name = "crypto-eip-hmac-sha256-cbc-des", |
| 1220 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1221 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1222 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1223 | .cra_blocksize = DES_BLOCK_SIZE, |
| 1224 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1225 | .cra_alignmask = 0, |
| 1226 | .cra_init = mtk_crypto_aead_sha256_des_cra_init, |
| 1227 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1228 | .cra_module = THIS_MODULE, |
| 1229 | }, |
| 1230 | }, |
| 1231 | }; |
| 1232 | |
| 1233 | static int mtk_crypto_aead_sha384_des_cra_init(struct crypto_tfm *tfm) |
| 1234 | { |
| 1235 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1236 | |
| 1237 | mtk_crypto_aead_sha384_cra_init(tfm); |
| 1238 | ctx->alg = MTK_CRYPTO_DES; |
| 1239 | ctx->blocksz = DES_BLOCK_SIZE; |
| 1240 | return 0; |
| 1241 | } |
| 1242 | |
| 1243 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha384_cbc_des = { |
| 1244 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1245 | .alg.aead = { |
| 1246 | .setkey = mtk_crypto_aead_setkey, |
| 1247 | .encrypt = mtk_crypto_aead_encrypt, |
| 1248 | .decrypt = mtk_crypto_aead_decrypt, |
| 1249 | .ivsize = DES_BLOCK_SIZE, |
| 1250 | .maxauthsize = SHA384_DIGEST_SIZE, |
| 1251 | .base = { |
| 1252 | .cra_name = "authenc(hmac(sha384),cbc(des))", |
| 1253 | .cra_driver_name = "crypto-eip-hmac-sha384-cbc-des", |
| 1254 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1255 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1256 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1257 | .cra_blocksize = DES_BLOCK_SIZE, |
| 1258 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1259 | .cra_alignmask = 0, |
| 1260 | .cra_init = mtk_crypto_aead_sha384_des_cra_init, |
| 1261 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1262 | .cra_module = THIS_MODULE, |
| 1263 | }, |
| 1264 | }, |
| 1265 | }; |
| 1266 | |
| 1267 | static int mtk_crypto_aead_sha512_des_cra_init(struct crypto_tfm *tfm) |
| 1268 | { |
| 1269 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1270 | |
| 1271 | mtk_crypto_aead_sha512_cra_init(tfm); |
| 1272 | ctx->alg = MTK_CRYPTO_DES; |
| 1273 | ctx->blocksz = DES_BLOCK_SIZE; |
| 1274 | return 0; |
| 1275 | } |
| 1276 | |
| 1277 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha512_cbc_des = { |
| 1278 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1279 | .alg.aead = { |
| 1280 | .setkey = mtk_crypto_aead_setkey, |
| 1281 | .encrypt = mtk_crypto_aead_encrypt, |
| 1282 | .decrypt = mtk_crypto_aead_decrypt, |
| 1283 | .ivsize = DES_BLOCK_SIZE, |
| 1284 | .maxauthsize = SHA512_DIGEST_SIZE, |
| 1285 | .base = { |
| 1286 | .cra_name = "authenc(hmac(sha512),cbc(des))", |
| 1287 | .cra_driver_name = "crypto-eip-hmac-sha512-cbc-des", |
| 1288 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1289 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1290 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1291 | .cra_blocksize = DES_BLOCK_SIZE, |
| 1292 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1293 | .cra_alignmask = 0, |
| 1294 | .cra_init = mtk_crypto_aead_sha512_des_cra_init, |
| 1295 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1296 | .cra_module = THIS_MODULE, |
| 1297 | }, |
| 1298 | }, |
| 1299 | }; |
| 1300 | |
| 1301 | static int mtk_crypto_aead_sha1_ctr_cra_init(struct crypto_tfm *tfm) |
| 1302 | { |
| 1303 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1304 | |
| 1305 | mtk_crypto_aead_sha1_cra_init(tfm); |
| 1306 | ctx->mode = MTK_CRYPTO_MODE_CTR; |
| 1307 | return 0; |
| 1308 | } |
| 1309 | |
| 1310 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha1_ctr_aes = { |
| 1311 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1312 | .alg.aead = { |
| 1313 | .setkey = mtk_crypto_aead_setkey, |
| 1314 | .encrypt = mtk_crypto_aead_encrypt, |
| 1315 | .decrypt = mtk_crypto_aead_decrypt, |
| 1316 | .ivsize = CTR_RFC3686_IV_SIZE, |
| 1317 | .maxauthsize = SHA1_DIGEST_SIZE, |
| 1318 | .base = { |
| 1319 | .cra_name = "authenc(hmac(sha1),rfc3686(ctr(aes)))", |
| 1320 | .cra_driver_name = "crypto-eip-hmac-sha1-ctr-aes", |
| 1321 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1322 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1323 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1324 | .cra_blocksize = 1, |
| 1325 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1326 | .cra_alignmask = 0, |
| 1327 | .cra_init = mtk_crypto_aead_sha1_ctr_cra_init, |
| 1328 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1329 | .cra_module = THIS_MODULE, |
| 1330 | }, |
| 1331 | }, |
| 1332 | }; |
| 1333 | |
| 1334 | static int mtk_crypto_aead_sha256_ctr_cra_init(struct crypto_tfm *tfm) |
| 1335 | { |
| 1336 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1337 | |
| 1338 | mtk_crypto_aead_sha256_cra_init(tfm); |
| 1339 | ctx->mode = MTK_CRYPTO_MODE_CTR; |
| 1340 | return 0; |
| 1341 | } |
| 1342 | |
| 1343 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha256_ctr_aes = { |
| 1344 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1345 | .alg.aead = { |
| 1346 | .setkey = mtk_crypto_aead_setkey, |
| 1347 | .encrypt = mtk_crypto_aead_encrypt, |
| 1348 | .decrypt = mtk_crypto_aead_decrypt, |
| 1349 | .ivsize = CTR_RFC3686_IV_SIZE, |
| 1350 | .maxauthsize = SHA256_DIGEST_SIZE, |
| 1351 | .base = { |
| 1352 | .cra_name = "authenc(hmac(sha256),rfc3686(ctr(aes)))", |
| 1353 | .cra_driver_name = "crypto-eip-hmac-sha256-ctr-aes", |
| 1354 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1355 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1356 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1357 | .cra_blocksize = 1, |
| 1358 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1359 | .cra_alignmask = 0, |
| 1360 | .cra_init = mtk_crypto_aead_sha256_ctr_cra_init, |
| 1361 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1362 | .cra_module = THIS_MODULE, |
| 1363 | }, |
| 1364 | }, |
| 1365 | }; |
| 1366 | |
| 1367 | static int mtk_crypto_aead_sha224_ctr_cra_init(struct crypto_tfm *tfm) |
| 1368 | { |
| 1369 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1370 | |
| 1371 | mtk_crypto_aead_sha224_cra_init(tfm); |
| 1372 | ctx->mode = MTK_CRYPTO_MODE_CTR; |
| 1373 | return 0; |
| 1374 | } |
| 1375 | |
| 1376 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha224_ctr_aes = { |
| 1377 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1378 | .alg.aead = { |
| 1379 | .setkey = mtk_crypto_aead_setkey, |
| 1380 | .encrypt = mtk_crypto_aead_encrypt, |
| 1381 | .decrypt = mtk_crypto_aead_decrypt, |
| 1382 | .ivsize = CTR_RFC3686_IV_SIZE, |
| 1383 | .maxauthsize = SHA224_DIGEST_SIZE, |
| 1384 | .base = { |
| 1385 | .cra_name = "authenc(hmac(sha224),rfc3686(ctr(aes)))", |
| 1386 | .cra_driver_name = "crypto-eip-hmac-sha224-ctr-aes", |
| 1387 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1388 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1389 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1390 | .cra_blocksize = 1, |
| 1391 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1392 | .cra_alignmask = 0, |
| 1393 | .cra_init = mtk_crypto_aead_sha224_ctr_cra_init, |
| 1394 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1395 | .cra_module = THIS_MODULE, |
| 1396 | }, |
| 1397 | }, |
| 1398 | }; |
| 1399 | |
| 1400 | static int mtk_crypto_aead_sha512_ctr_cra_init(struct crypto_tfm *tfm) |
| 1401 | { |
| 1402 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1403 | |
| 1404 | mtk_crypto_aead_sha512_cra_init(tfm); |
| 1405 | ctx->mode = MTK_CRYPTO_MODE_CTR; |
| 1406 | return 0; |
| 1407 | } |
| 1408 | |
| 1409 | struct mtk_crypto_alg_template mtk_crypto_hmac_sha512_ctr_aes = { |
| 1410 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1411 | .alg.aead = { |
| 1412 | .setkey = mtk_crypto_aead_setkey, |
| 1413 | .encrypt = mtk_crypto_aead_encrypt, |
| 1414 | .decrypt = mtk_crypto_aead_decrypt, |
| 1415 | .ivsize = CTR_RFC3686_IV_SIZE, |
| 1416 | .maxauthsize = SHA512_DIGEST_SIZE, |
| 1417 | .base = { |
| 1418 | .cra_name = "authenc(hmac(sha512),rfc3686(ctr(aes)))", |
| 1419 | .cra_driver_name = "crypto-eip-hmac-sha512-ctr-aes", |
| 1420 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1421 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1422 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1423 | .cra_blocksize = 1, |
| 1424 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1425 | .cra_alignmask = 0, |
| 1426 | .cra_init = mtk_crypto_aead_sha512_ctr_cra_init, |
| 1427 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1428 | .cra_module = THIS_MODULE, |
| 1429 | }, |
| 1430 | }, |
| 1431 | }; |
| 1432 | |
| 1433 | static int mtk_crypto_aead_gcm_setkey(struct crypto_aead *ctfm, const u8 *key, |
| 1434 | unsigned int len) |
| 1435 | { |
| 1436 | struct crypto_tfm *tfm = crypto_aead_tfm(ctfm); |
| 1437 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1438 | struct crypto_aes_ctx aes; |
| 1439 | u32 hashkey[AES_BLOCK_SIZE >> 2]; |
| 1440 | int ret, i; |
| 1441 | |
| 1442 | ret = aes_expandkey(&aes, key, len); |
| 1443 | if (ret) { |
| 1444 | memzero_explicit(&aes, sizeof(aes)); |
| 1445 | return ret; |
| 1446 | } |
| 1447 | |
| 1448 | for (i = 0; i < len / sizeof(u32); i++) |
| 1449 | ctx->key[i] = cpu_to_le32(aes.key_enc[i]); |
| 1450 | |
| 1451 | ctx->key_len = len; |
| 1452 | |
| 1453 | /* Compute hash key by encrypting zeros with cipher key */ |
| 1454 | crypto_cipher_clear_flags(ctx->hkaes, CRYPTO_TFM_REQ_MASK); |
| 1455 | crypto_cipher_set_flags(ctx->hkaes, crypto_aead_get_flags(ctfm) & |
| 1456 | CRYPTO_TFM_REQ_MASK); |
| 1457 | ret = crypto_cipher_setkey(ctx->hkaes, key, len); |
| 1458 | if (ret) |
| 1459 | return ret; |
| 1460 | |
| 1461 | memset(hashkey, 0, AES_BLOCK_SIZE); |
| 1462 | crypto_cipher_encrypt_one(ctx->hkaes, (u8 *)hashkey, (u8 *)hashkey); |
| 1463 | |
| 1464 | for (i = 0; i < AES_BLOCK_SIZE / sizeof(u32); i++) |
| 1465 | ctx->ipad[i] = cpu_to_be32(hashkey[i]); |
| 1466 | |
| 1467 | memzero_explicit(hashkey, AES_BLOCK_SIZE); |
| 1468 | memzero_explicit(&aes, sizeof(aes)); |
| 1469 | return 0; |
| 1470 | } |
| 1471 | |
| 1472 | static int mtk_crypto_aead_gcm_cra_init(struct crypto_tfm *tfm) |
| 1473 | { |
| 1474 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1475 | |
| 1476 | mtk_crypto_aead_cra_init(tfm); |
| 1477 | ctx->hash_alg = MTK_CRYPTO_ALG_GCM; |
| 1478 | ctx->state_sz = GHASH_BLOCK_SIZE; |
| 1479 | ctx->mode = MTK_CRYPTO_MODE_GCM; |
| 1480 | |
| 1481 | ctx->hkaes = crypto_alloc_cipher("aes", 0, 0); |
| 1482 | return PTR_ERR_OR_ZERO(ctx->hkaes); |
| 1483 | } |
| 1484 | |
| 1485 | static void mtk_crypto_aead_gcm_cra_exit(struct crypto_tfm *tfm) |
| 1486 | { |
| 1487 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1488 | |
| 1489 | crypto_free_cipher(ctx->hkaes); |
| 1490 | mtk_crypto_aead_cra_exit(tfm); |
| 1491 | } |
| 1492 | |
| 1493 | static int mtk_crypto_aead_gcm_setauthsize(struct crypto_aead *tfm, |
| 1494 | unsigned int authsize) |
| 1495 | { |
| 1496 | return crypto_gcm_check_authsize(authsize); |
| 1497 | } |
| 1498 | |
| 1499 | struct mtk_crypto_alg_template mtk_crypto_gcm = { |
| 1500 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1501 | .alg.aead = { |
| 1502 | .setkey = mtk_crypto_aead_gcm_setkey, |
| 1503 | .setauthsize = mtk_crypto_aead_gcm_setauthsize, |
| 1504 | .encrypt = mtk_crypto_aead_encrypt, |
| 1505 | .decrypt = mtk_crypto_aead_decrypt, |
| 1506 | .ivsize = GCM_AES_IV_SIZE, |
| 1507 | .maxauthsize = GHASH_DIGEST_SIZE, |
| 1508 | .base = { |
| 1509 | .cra_name = "gcm(aes)", |
| 1510 | .cra_driver_name = "crypto-eip-gcm-aes", |
| 1511 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1512 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1513 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1514 | .cra_blocksize = 1, |
| 1515 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1516 | .cra_alignmask = 0, |
| 1517 | .cra_init = mtk_crypto_aead_gcm_cra_init, |
| 1518 | .cra_exit = mtk_crypto_aead_gcm_cra_exit, |
| 1519 | .cra_module = THIS_MODULE, |
| 1520 | }, |
| 1521 | }, |
| 1522 | }; |
| 1523 | |
| 1524 | static int mtk_crypto_rfc4106_gcm_setkey(struct crypto_aead *ctfm, const u8 *key, |
| 1525 | unsigned int len) |
| 1526 | { |
| 1527 | struct crypto_tfm *tfm = crypto_aead_tfm(ctfm); |
| 1528 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1529 | |
| 1530 | /* last 4 bytes of key are the nonce! */ |
| 1531 | ctx->nonce = *(u32 *)(key + len - CTR_RFC3686_NONCE_SIZE); |
| 1532 | |
| 1533 | len -= CTR_RFC3686_NONCE_SIZE; |
| 1534 | return mtk_crypto_aead_gcm_setkey(ctfm, key, len); |
| 1535 | } |
| 1536 | |
| 1537 | static int mtk_crypto_rfc4106_gcm_setauthsize(struct crypto_aead *tfm, |
| 1538 | unsigned int authsize) |
| 1539 | { |
| 1540 | return crypto_rfc4106_check_authsize(authsize); |
| 1541 | } |
| 1542 | |
| 1543 | static int mtk_crypto_rfc4106_encrypt(struct aead_request *req) |
| 1544 | { |
| 1545 | return crypto_ipsec_check_assoclen(req->assoclen) ?: |
| 1546 | mtk_crypto_aead_encrypt(req); |
| 1547 | } |
| 1548 | |
| 1549 | static int mtk_crypto_rfc4106_decrypt(struct aead_request *req) |
| 1550 | { |
| 1551 | return crypto_ipsec_check_assoclen(req->assoclen) ?: |
| 1552 | mtk_crypto_aead_decrypt(req); |
| 1553 | } |
| 1554 | |
| 1555 | static int mtk_crypto_rfc4106_gcm_cra_init(struct crypto_tfm *tfm) |
| 1556 | { |
| 1557 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1558 | int ret; |
| 1559 | |
| 1560 | ret = mtk_crypto_aead_gcm_cra_init(tfm); |
| 1561 | ctx->aead = EIP197_AEAD_TYPE_IPSEC_ESP; |
| 1562 | return ret; |
| 1563 | } |
| 1564 | |
| 1565 | struct mtk_crypto_alg_template mtk_crypto_rfc4106_gcm = { |
| 1566 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1567 | .alg.aead = { |
| 1568 | .setkey = mtk_crypto_rfc4106_gcm_setkey, |
| 1569 | .setauthsize = mtk_crypto_rfc4106_gcm_setauthsize, |
| 1570 | .encrypt = mtk_crypto_rfc4106_encrypt, |
| 1571 | .decrypt = mtk_crypto_rfc4106_decrypt, |
| 1572 | .ivsize = GCM_RFC4106_IV_SIZE, |
| 1573 | .maxauthsize = GHASH_DIGEST_SIZE, |
| 1574 | .base = { |
| 1575 | .cra_name = "rfc4106(gcm(aes))", |
| 1576 | .cra_driver_name = "crypto-eip-rfc4106-gcm-aes", |
| 1577 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1578 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1579 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1580 | .cra_blocksize = 1, |
| 1581 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1582 | .cra_alignmask = 0, |
| 1583 | .cra_init = mtk_crypto_rfc4106_gcm_cra_init, |
| 1584 | .cra_exit = mtk_crypto_aead_gcm_cra_exit, |
| 1585 | }, |
| 1586 | }, |
| 1587 | }; |
| 1588 | |
| 1589 | static int mtk_crypto_rfc4543_gcm_setauthsize(struct crypto_aead *tfm, |
| 1590 | unsigned int authsize) |
| 1591 | { |
| 1592 | if (authsize != GHASH_DIGEST_SIZE) |
| 1593 | return -EINVAL; |
| 1594 | |
| 1595 | return 0; |
| 1596 | } |
| 1597 | |
| 1598 | static int mtk_crypto_rfc4543_gcm_cra_init(struct crypto_tfm *tfm) |
| 1599 | { |
| 1600 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1601 | int ret; |
| 1602 | |
| 1603 | ret = mtk_crypto_aead_gcm_cra_init(tfm); |
| 1604 | ctx->hash_alg = MTK_CRYPTO_ALG_GMAC; |
| 1605 | ctx->mode = MTK_CRYPTO_MODE_GMAC; |
| 1606 | ctx->aead = EIP197_AEAD_TYPE_IPSEC_ESP; |
| 1607 | return ret; |
| 1608 | } |
| 1609 | |
| 1610 | struct mtk_crypto_alg_template mtk_crypto_rfc4543_gcm = { |
| 1611 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1612 | .alg.aead = { |
| 1613 | .setkey = mtk_crypto_rfc4106_gcm_setkey, |
| 1614 | .setauthsize = mtk_crypto_rfc4543_gcm_setauthsize, |
| 1615 | .encrypt = mtk_crypto_rfc4106_encrypt, |
| 1616 | .decrypt = mtk_crypto_rfc4106_decrypt, |
| 1617 | .ivsize = GCM_RFC4543_IV_SIZE, |
| 1618 | .maxauthsize = GHASH_DIGEST_SIZE, |
| 1619 | .base = { |
| 1620 | .cra_name = "rfc4543(gcm(aes))", |
| 1621 | .cra_driver_name = "crypto-eip-rfc4543-gcm-aes", |
| 1622 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1623 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1624 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1625 | .cra_blocksize = 1, |
| 1626 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1627 | .cra_alignmask = 0, |
| 1628 | .cra_init = mtk_crypto_rfc4543_gcm_cra_init, |
| 1629 | .cra_exit = mtk_crypto_aead_gcm_cra_exit, |
| 1630 | }, |
| 1631 | }, |
| 1632 | }; |
| 1633 | |
| 1634 | static int mtk_crypto_aead_ccm_setkey(struct crypto_aead *ctfm, const u8 *key, |
| 1635 | unsigned int len) |
| 1636 | { |
| 1637 | struct crypto_tfm *tfm = crypto_aead_tfm(ctfm); |
| 1638 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1639 | struct crypto_aes_ctx aes; |
| 1640 | int ret, i; |
| 1641 | |
| 1642 | ret = aes_expandkey(&aes, key, len); |
| 1643 | if (ret) { |
| 1644 | memzero_explicit(&aes, sizeof(aes)); |
| 1645 | return ret; |
| 1646 | } |
| 1647 | |
| 1648 | for (i = 0; i < len / sizeof(u32); i++) { |
| 1649 | ctx->key[i] = cpu_to_le32(aes.key_enc[i]); |
| 1650 | ctx->ipad[i + 2 * AES_BLOCK_SIZE / sizeof(u32)] = |
| 1651 | cpu_to_be32(aes.key_enc[i]); |
| 1652 | } |
| 1653 | |
| 1654 | ctx->key_len = len; |
| 1655 | ctx->state_sz = 2 * AES_BLOCK_SIZE + len; |
| 1656 | ctx->hash_alg = MTK_CRYPTO_ALG_CCM; |
| 1657 | |
| 1658 | memzero_explicit(&aes, sizeof(aes)); |
| 1659 | return 0; |
| 1660 | } |
| 1661 | |
| 1662 | static int mtk_crypto_rfc4309_ccm_setkey(struct crypto_aead *ctfm, const u8 *key, |
| 1663 | unsigned int len) |
| 1664 | { |
| 1665 | struct crypto_tfm *tfm = crypto_aead_tfm(ctfm); |
| 1666 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1667 | |
| 1668 | *(u8 *) &ctx->nonce = 3; |
| 1669 | memcpy((u8 *) &ctx->nonce + 1, key + len - |
| 1670 | EIP197_AEAD_IPSEC_CCM_NONCE_SIZE, |
| 1671 | EIP197_AEAD_IPSEC_CCM_NONCE_SIZE); |
| 1672 | |
| 1673 | len -= EIP197_AEAD_IPSEC_CCM_NONCE_SIZE; |
| 1674 | return mtk_crypto_aead_ccm_setkey(ctfm, key, len); |
| 1675 | } |
| 1676 | |
| 1677 | static int mtk_crypto_rfc4309_ccm_setauthsize(struct crypto_aead *tfm, |
| 1678 | unsigned int authsize) |
| 1679 | { |
| 1680 | switch (authsize) { |
| 1681 | case 8: |
| 1682 | case 12: |
| 1683 | case 16: |
| 1684 | break; |
| 1685 | default: |
| 1686 | return -EINVAL; |
| 1687 | } |
| 1688 | |
| 1689 | return 0; |
| 1690 | } |
| 1691 | |
| 1692 | static int mtk_crypto_rfc4309_ccm_encrypt(struct aead_request *req) |
| 1693 | { |
| 1694 | struct mtk_crypto_cipher_req *creq = aead_request_ctx(req); |
| 1695 | |
| 1696 | if (req->assoclen != 16 && req->assoclen != 20) |
| 1697 | return -EINVAL; |
| 1698 | |
| 1699 | return mtk_crypto_queue_req(&req->base, creq, MTK_CRYPTO_ENCRYPT); |
| 1700 | } |
| 1701 | |
| 1702 | static int mtk_crypto_rfc4309_ccm_decrypt(struct aead_request *req) |
| 1703 | { |
| 1704 | struct mtk_crypto_cipher_req *creq = aead_request_ctx(req); |
| 1705 | |
| 1706 | if (req->assoclen != 16 && req->assoclen != 20) |
| 1707 | return -EINVAL; |
| 1708 | |
| 1709 | return mtk_crypto_queue_req(&req->base, creq, MTK_CRYPTO_DECRYPT); |
| 1710 | } |
| 1711 | |
| 1712 | static int mtk_crypto_aead_ccm_cra_init(struct crypto_tfm *tfm) |
| 1713 | { |
| 1714 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1715 | |
| 1716 | mtk_crypto_aead_cra_init(tfm); |
| 1717 | ctx->hash_alg = MTK_CRYPTO_ALG_XCBC; |
| 1718 | ctx->state_sz = 3 * AES_BLOCK_SIZE; |
| 1719 | ctx->mode = MTK_CRYPTO_MODE_CCM; |
| 1720 | |
| 1721 | return 0; |
| 1722 | } |
| 1723 | |
| 1724 | static int mtk_crypto_rfc4309_ccm_cra_init(struct crypto_tfm *tfm) |
| 1725 | { |
| 1726 | struct mtk_crypto_cipher_ctx *ctx = crypto_tfm_ctx(tfm); |
| 1727 | int ret; |
| 1728 | |
| 1729 | ret = mtk_crypto_aead_ccm_cra_init(tfm); |
| 1730 | ctx->aead = EIP197_AEAD_TYPE_IPSEC_ESP; |
| 1731 | return ret; |
| 1732 | } |
| 1733 | |
| 1734 | struct mtk_crypto_alg_template mtk_crypto_rfc4309_ccm = { |
| 1735 | .type = MTK_CRYPTO_ALG_TYPE_AEAD, |
| 1736 | .alg.aead = { |
| 1737 | .setkey = mtk_crypto_rfc4309_ccm_setkey, |
| 1738 | .setauthsize = mtk_crypto_rfc4309_ccm_setauthsize, |
| 1739 | .encrypt = mtk_crypto_rfc4309_ccm_encrypt, |
| 1740 | .decrypt = mtk_crypto_rfc4309_ccm_decrypt, |
| 1741 | .ivsize = EIP197_AEAD_IPSEC_IV_SIZE, |
| 1742 | .maxauthsize = AES_BLOCK_SIZE, |
| 1743 | .base = { |
| 1744 | .cra_name = "rfc4309(ccm(aes))", |
| 1745 | .cra_driver_name = "crypto-eip-rfc4309-ccm-aes", |
| 1746 | .cra_priority = MTK_CRYPTO_PRIORITY, |
| 1747 | .cra_flags = CRYPTO_ALG_ASYNC | |
| 1748 | CRYPTO_ALG_KERN_DRIVER_ONLY, |
| 1749 | .cra_blocksize = 1, |
| 1750 | .cra_ctxsize = sizeof(struct mtk_crypto_cipher_ctx), |
| 1751 | .cra_alignmask = 0, |
| 1752 | .cra_init = mtk_crypto_rfc4309_ccm_cra_init, |
| 1753 | .cra_exit = mtk_crypto_aead_cra_exit, |
| 1754 | .cra_module = THIS_MODULE, |
| 1755 | }, |
| 1756 | }, |
| 1757 | }; |
| 1758 | |