diff options
Diffstat (limited to 'drivers/crypto/mediatek/mtk-aes.c')
-rw-r--r-- | drivers/crypto/mediatek/mtk-aes.c | 248 |
1 files changed, 116 insertions, 132 deletions
diff --git a/drivers/crypto/mediatek/mtk-aes.c b/drivers/crypto/mediatek/mtk-aes.c index d43410259113..90880a81c534 100644 --- a/drivers/crypto/mediatek/mtk-aes.c +++ b/drivers/crypto/mediatek/mtk-aes.c @@ -11,6 +11,7 @@ #include <crypto/aes.h> #include <crypto/gcm.h> +#include <crypto/internal/skcipher.h> #include "mtk-platform.h" #define AES_QUEUE_SIZE 512 @@ -414,7 +415,7 @@ exit: static void mtk_aes_info_init(struct mtk_cryp *cryp, struct mtk_aes_rec *aes, size_t len) { - struct ablkcipher_request *req = ablkcipher_request_cast(aes->areq); + struct skcipher_request *req = skcipher_request_cast(aes->areq); struct mtk_aes_base_ctx *ctx = aes->ctx; struct mtk_aes_info *info = &ctx->info; u32 cnt = 0; @@ -450,7 +451,7 @@ static void mtk_aes_info_init(struct mtk_cryp *cryp, struct mtk_aes_rec *aes, return; } - mtk_aes_write_state_le(info->state + ctx->keylen, req->info, + mtk_aes_write_state_le(info->state + ctx->keylen, (void *)req->iv, AES_BLOCK_SIZE); ctr: info->tfm[0] += AES_TFM_SIZE(SIZE_IN_WORDS(AES_BLOCK_SIZE)); @@ -552,13 +553,13 @@ static int mtk_aes_transfer_complete(struct mtk_cryp *cryp, static int mtk_aes_start(struct mtk_cryp *cryp, struct mtk_aes_rec *aes) { - struct ablkcipher_request *req = ablkcipher_request_cast(aes->areq); - struct mtk_aes_reqctx *rctx = ablkcipher_request_ctx(req); + struct skcipher_request *req = skcipher_request_cast(aes->areq); + struct mtk_aes_reqctx *rctx = skcipher_request_ctx(req); mtk_aes_set_mode(aes, rctx); aes->resume = mtk_aes_transfer_complete; - return mtk_aes_dma(cryp, aes, req->src, req->dst, req->nbytes); + return mtk_aes_dma(cryp, aes, req->src, req->dst, req->cryptlen); } static inline struct mtk_aes_ctr_ctx * @@ -571,7 +572,7 @@ static int mtk_aes_ctr_transfer(struct mtk_cryp *cryp, struct mtk_aes_rec *aes) { struct mtk_aes_base_ctx *ctx = aes->ctx; struct mtk_aes_ctr_ctx *cctx = mtk_aes_ctr_ctx_cast(ctx); - struct ablkcipher_request *req = ablkcipher_request_cast(aes->areq); + struct skcipher_request *req = skcipher_request_cast(aes->areq); struct scatterlist *src, *dst; u32 start, end, ctr, blocks; size_t datalen; @@ -579,11 +580,11 @@ static int mtk_aes_ctr_transfer(struct mtk_cryp *cryp, struct mtk_aes_rec *aes) /* Check for transfer completion. */ cctx->offset += aes->total; - if (cctx->offset >= req->nbytes) + if (cctx->offset >= req->cryptlen) return mtk_aes_transfer_complete(cryp, aes); /* Compute data length. */ - datalen = req->nbytes - cctx->offset; + datalen = req->cryptlen - cctx->offset; blocks = DIV_ROUND_UP(datalen, AES_BLOCK_SIZE); ctr = be32_to_cpu(cctx->iv[3]); @@ -620,12 +621,12 @@ static int mtk_aes_ctr_transfer(struct mtk_cryp *cryp, struct mtk_aes_rec *aes) static int mtk_aes_ctr_start(struct mtk_cryp *cryp, struct mtk_aes_rec *aes) { struct mtk_aes_ctr_ctx *cctx = mtk_aes_ctr_ctx_cast(aes->ctx); - struct ablkcipher_request *req = ablkcipher_request_cast(aes->areq); - struct mtk_aes_reqctx *rctx = ablkcipher_request_ctx(req); + struct skcipher_request *req = skcipher_request_cast(aes->areq); + struct mtk_aes_reqctx *rctx = skcipher_request_ctx(req); mtk_aes_set_mode(aes, rctx); - memcpy(cctx->iv, req->info, AES_BLOCK_SIZE); + memcpy(cctx->iv, req->iv, AES_BLOCK_SIZE); cctx->offset = 0; aes->total = 0; aes->resume = mtk_aes_ctr_transfer; @@ -634,10 +635,10 @@ static int mtk_aes_ctr_start(struct mtk_cryp *cryp, struct mtk_aes_rec *aes) } /* Check and set the AES key to transform state buffer */ -static int mtk_aes_setkey(struct crypto_ablkcipher *tfm, +static int mtk_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, u32 keylen) { - struct mtk_aes_base_ctx *ctx = crypto_ablkcipher_ctx(tfm); + struct mtk_aes_base_ctx *ctx = crypto_skcipher_ctx(tfm); switch (keylen) { case AES_KEYSIZE_128: @@ -651,7 +652,7 @@ static int mtk_aes_setkey(struct crypto_ablkcipher *tfm, break; default: - crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); return -EINVAL; } @@ -661,10 +662,10 @@ static int mtk_aes_setkey(struct crypto_ablkcipher *tfm, return 0; } -static int mtk_aes_crypt(struct ablkcipher_request *req, u64 mode) +static int mtk_aes_crypt(struct skcipher_request *req, u64 mode) { - struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req); - struct mtk_aes_base_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher); + struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); + struct mtk_aes_base_ctx *ctx = crypto_skcipher_ctx(skcipher); struct mtk_aes_reqctx *rctx; struct mtk_cryp *cryp; @@ -672,185 +673,168 @@ static int mtk_aes_crypt(struct ablkcipher_request *req, u64 mode) if (!cryp) return -ENODEV; - rctx = ablkcipher_request_ctx(req); + rctx = skcipher_request_ctx(req); rctx->mode = mode; return mtk_aes_handle_queue(cryp, !(mode & AES_FLAGS_ENCRYPT), &req->base); } -static int mtk_aes_ecb_encrypt(struct ablkcipher_request *req) +static int mtk_aes_ecb_encrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_ENCRYPT | AES_FLAGS_ECB); } -static int mtk_aes_ecb_decrypt(struct ablkcipher_request *req) +static int mtk_aes_ecb_decrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_ECB); } -static int mtk_aes_cbc_encrypt(struct ablkcipher_request *req) +static int mtk_aes_cbc_encrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_ENCRYPT | AES_FLAGS_CBC); } -static int mtk_aes_cbc_decrypt(struct ablkcipher_request *req) +static int mtk_aes_cbc_decrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_CBC); } -static int mtk_aes_ctr_encrypt(struct ablkcipher_request *req) +static int mtk_aes_ctr_encrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_ENCRYPT | AES_FLAGS_CTR); } -static int mtk_aes_ctr_decrypt(struct ablkcipher_request *req) +static int mtk_aes_ctr_decrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_CTR); } -static int mtk_aes_ofb_encrypt(struct ablkcipher_request *req) +static int mtk_aes_ofb_encrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_ENCRYPT | AES_FLAGS_OFB); } -static int mtk_aes_ofb_decrypt(struct ablkcipher_request *req) +static int mtk_aes_ofb_decrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_OFB); } -static int mtk_aes_cfb_encrypt(struct ablkcipher_request *req) +static int mtk_aes_cfb_encrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_ENCRYPT | AES_FLAGS_CFB128); } -static int mtk_aes_cfb_decrypt(struct ablkcipher_request *req) +static int mtk_aes_cfb_decrypt(struct skcipher_request *req) { return mtk_aes_crypt(req, AES_FLAGS_CFB128); } -static int mtk_aes_cra_init(struct crypto_tfm *tfm) +static int mtk_aes_init_tfm(struct crypto_skcipher *tfm) { - struct mtk_aes_ctx *ctx = crypto_tfm_ctx(tfm); + struct mtk_aes_ctx *ctx = crypto_skcipher_ctx(tfm); - tfm->crt_ablkcipher.reqsize = sizeof(struct mtk_aes_reqctx); + crypto_skcipher_set_reqsize(tfm, sizeof(struct mtk_aes_reqctx)); ctx->base.start = mtk_aes_start; return 0; } -static int mtk_aes_ctr_cra_init(struct crypto_tfm *tfm) +static int mtk_aes_ctr_init_tfm(struct crypto_skcipher *tfm) { - struct mtk_aes_ctx *ctx = crypto_tfm_ctx(tfm); + struct mtk_aes_ctx *ctx = crypto_skcipher_ctx(tfm); - tfm->crt_ablkcipher.reqsize = sizeof(struct mtk_aes_reqctx); + crypto_skcipher_set_reqsize(tfm, sizeof(struct mtk_aes_reqctx)); ctx->base.start = mtk_aes_ctr_start; return 0; } -static struct crypto_alg aes_algs[] = { +static struct skcipher_alg aes_algs[] = { { - .cra_name = "cbc(aes)", - .cra_driver_name = "cbc-aes-mtk", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_ASYNC, - .cra_init = mtk_aes_cra_init, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct mtk_aes_ctx), - .cra_alignmask = 0xf, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_u.ablkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .setkey = mtk_aes_setkey, - .encrypt = mtk_aes_cbc_encrypt, - .decrypt = mtk_aes_cbc_decrypt, - .ivsize = AES_BLOCK_SIZE, - } + .base.cra_name = "cbc(aes)", + .base.cra_driver_name = "cbc-aes-mtk", + .base.cra_priority = 400, + .base.cra_flags = CRYPTO_ALG_ASYNC, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct mtk_aes_ctx), + .base.cra_alignmask = 0xf, + .base.cra_module = THIS_MODULE, + + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = mtk_aes_setkey, + .encrypt = mtk_aes_cbc_encrypt, + .decrypt = mtk_aes_cbc_decrypt, + .ivsize = AES_BLOCK_SIZE, + .init = mtk_aes_init_tfm, }, { - .cra_name = "ecb(aes)", - .cra_driver_name = "ecb-aes-mtk", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_ASYNC, - .cra_init = mtk_aes_cra_init, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct mtk_aes_ctx), - .cra_alignmask = 0xf, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_u.ablkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .setkey = mtk_aes_setkey, - .encrypt = mtk_aes_ecb_encrypt, - .decrypt = mtk_aes_ecb_decrypt, - } + .base.cra_name = "ecb(aes)", + .base.cra_driver_name = "ecb-aes-mtk", + .base.cra_priority = 400, + .base.cra_flags = CRYPTO_ALG_ASYNC, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct mtk_aes_ctx), + .base.cra_alignmask = 0xf, + .base.cra_module = THIS_MODULE, + + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = mtk_aes_setkey, + .encrypt = mtk_aes_ecb_encrypt, + .decrypt = mtk_aes_ecb_decrypt, + .init = mtk_aes_init_tfm, }, { - .cra_name = "ctr(aes)", - .cra_driver_name = "ctr-aes-mtk", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_ASYNC, - .cra_init = mtk_aes_ctr_cra_init, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct mtk_aes_ctr_ctx), - .cra_alignmask = 0xf, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_u.ablkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = mtk_aes_setkey, - .encrypt = mtk_aes_ctr_encrypt, - .decrypt = mtk_aes_ctr_decrypt, - } + .base.cra_name = "ctr(aes)", + .base.cra_driver_name = "ctr-aes-mtk", + .base.cra_priority = 400, + .base.cra_flags = CRYPTO_ALG_ASYNC, + .base.cra_blocksize = 1, + .base.cra_ctxsize = sizeof(struct mtk_aes_ctx), + .base.cra_alignmask = 0xf, + .base.cra_module = THIS_MODULE, + + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = mtk_aes_setkey, + .encrypt = mtk_aes_ctr_encrypt, + .decrypt = mtk_aes_ctr_decrypt, + .init = mtk_aes_ctr_init_tfm, }, { - .cra_name = "ofb(aes)", - .cra_driver_name = "ofb-aes-mtk", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_ASYNC, - .cra_init = mtk_aes_cra_init, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct mtk_aes_ctx), - .cra_alignmask = 0xf, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_u.ablkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = mtk_aes_setkey, - .encrypt = mtk_aes_ofb_encrypt, - .decrypt = mtk_aes_ofb_decrypt, - } + .base.cra_name = "ofb(aes)", + .base.cra_driver_name = "ofb-aes-mtk", + .base.cra_priority = 400, + .base.cra_flags = CRYPTO_ALG_ASYNC, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct mtk_aes_ctx), + .base.cra_alignmask = 0xf, + .base.cra_module = THIS_MODULE, + + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = mtk_aes_setkey, + .encrypt = mtk_aes_ofb_encrypt, + .decrypt = mtk_aes_ofb_decrypt, }, { - .cra_name = "cfb(aes)", - .cra_driver_name = "cfb-aes-mtk", - .cra_priority = 400, - .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | - CRYPTO_ALG_ASYNC, - .cra_init = mtk_aes_cra_init, - .cra_blocksize = 1, - .cra_ctxsize = sizeof(struct mtk_aes_ctx), - .cra_alignmask = 0xf, - .cra_type = &crypto_ablkcipher_type, - .cra_module = THIS_MODULE, - .cra_u.ablkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = mtk_aes_setkey, - .encrypt = mtk_aes_cfb_encrypt, - .decrypt = mtk_aes_cfb_decrypt, - } + .base.cra_name = "cfb(aes)", + .base.cra_driver_name = "cfb-aes-mtk", + .base.cra_priority = 400, + .base.cra_flags = CRYPTO_ALG_ASYNC, + .base.cra_blocksize = 1, + .base.cra_ctxsize = sizeof(struct mtk_aes_ctx), + .base.cra_alignmask = 0xf, + .base.cra_module = THIS_MODULE, + + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = mtk_aes_setkey, + .encrypt = mtk_aes_cfb_encrypt, + .decrypt = mtk_aes_cfb_decrypt, }, }; @@ -1259,7 +1243,7 @@ static void mtk_aes_unregister_algs(void) crypto_unregister_aead(&aes_gcm_alg); for (i = 0; i < ARRAY_SIZE(aes_algs); i++) - crypto_unregister_alg(&aes_algs[i]); + crypto_unregister_skcipher(&aes_algs[i]); } static int mtk_aes_register_algs(void) @@ -1267,7 +1251,7 @@ static int mtk_aes_register_algs(void) int err, i; for (i = 0; i < ARRAY_SIZE(aes_algs); i++) { - err = crypto_register_alg(&aes_algs[i]); + err = crypto_register_skcipher(&aes_algs[i]); if (err) goto err_aes_algs; } @@ -1280,7 +1264,7 @@ static int mtk_aes_register_algs(void) err_aes_algs: for (; i--; ) - crypto_unregister_alg(&aes_algs[i]); + crypto_unregister_skcipher(&aes_algs[i]); return err; } |