diff options
Diffstat (limited to 'drivers/crypto/rockchip/rk3288_crypto_skcipher.c')
-rw-r--r-- | drivers/crypto/rockchip/rk3288_crypto_skcipher.c | 603 |
1 files changed, 603 insertions, 0 deletions
diff --git a/drivers/crypto/rockchip/rk3288_crypto_skcipher.c b/drivers/crypto/rockchip/rk3288_crypto_skcipher.c new file mode 100644 index 000000000..67a7e05d5 --- /dev/null +++ b/drivers/crypto/rockchip/rk3288_crypto_skcipher.c @@ -0,0 +1,603 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Crypto acceleration support for Rockchip RK3288 + * + * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd + * + * Author: Zain Wang <zain.wang@rock-chips.com> + * + * Some ideas are from marvell-cesa.c and s5p-sss.c driver. + */ +#include <linux/device.h> +#include <crypto/scatterwalk.h> +#include "rk3288_crypto.h" + +#define RK_CRYPTO_DEC BIT(0) + +static int rk_cipher_need_fallback(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + unsigned int bs = crypto_skcipher_blocksize(tfm); + struct scatterlist *sgs, *sgd; + unsigned int stodo, dtodo, len; + + if (!req->cryptlen) + return true; + + len = req->cryptlen; + sgs = req->src; + sgd = req->dst; + while (sgs && sgd) { + if (!IS_ALIGNED(sgs->offset, sizeof(u32))) { + return true; + } + if (!IS_ALIGNED(sgd->offset, sizeof(u32))) { + return true; + } + stodo = min(len, sgs->length); + if (stodo % bs) { + return true; + } + dtodo = min(len, sgd->length); + if (dtodo % bs) { + return true; + } + if (stodo != dtodo) { + return true; + } + len -= stodo; + sgs = sg_next(sgs); + sgd = sg_next(sgd); + } + return false; +} + +static int rk_cipher_fallback(struct skcipher_request *areq) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq); + struct rk_cipher_ctx *op = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(areq); + int err; + + skcipher_request_set_tfm(&rctx->fallback_req, op->fallback_tfm); + skcipher_request_set_callback(&rctx->fallback_req, areq->base.flags, + areq->base.complete, areq->base.data); + skcipher_request_set_crypt(&rctx->fallback_req, areq->src, areq->dst, + areq->cryptlen, areq->iv); + if (rctx->mode & RK_CRYPTO_DEC) + err = crypto_skcipher_decrypt(&rctx->fallback_req); + else + err = crypto_skcipher_encrypt(&rctx->fallback_req); + return err; +} + +static int rk_handle_req(struct rk_crypto_info *dev, + struct skcipher_request *req) +{ + struct crypto_engine *engine = dev->engine; + + if (rk_cipher_need_fallback(req)) + return rk_cipher_fallback(req); + + return crypto_transfer_skcipher_request_to_engine(engine, req); +} + +static int rk_aes_setkey(struct crypto_skcipher *cipher, + const u8 *key, unsigned int keylen) +{ + struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher); + struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm); + + if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 && + keylen != AES_KEYSIZE_256) + return -EINVAL; + ctx->keylen = keylen; + memcpy(ctx->key, key, keylen); + + return crypto_skcipher_setkey(ctx->fallback_tfm, key, keylen); +} + +static int rk_des_setkey(struct crypto_skcipher *cipher, + const u8 *key, unsigned int keylen) +{ + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(cipher); + int err; + + err = verify_skcipher_des_key(cipher, key); + if (err) + return err; + + ctx->keylen = keylen; + memcpy(ctx->key, key, keylen); + + return crypto_skcipher_setkey(ctx->fallback_tfm, key, keylen); +} + +static int rk_tdes_setkey(struct crypto_skcipher *cipher, + const u8 *key, unsigned int keylen) +{ + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(cipher); + int err; + + err = verify_skcipher_des3_key(cipher, key); + if (err) + return err; + + ctx->keylen = keylen; + memcpy(ctx->key, key, keylen); + + return crypto_skcipher_setkey(ctx->fallback_tfm, key, keylen); +} + +static int rk_aes_ecb_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_AES_ECB_MODE; + return rk_handle_req(dev, req); +} + +static int rk_aes_ecb_decrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_AES_ECB_MODE | RK_CRYPTO_DEC; + return rk_handle_req(dev, req); +} + +static int rk_aes_cbc_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_AES_CBC_MODE; + return rk_handle_req(dev, req); +} + +static int rk_aes_cbc_decrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_AES_CBC_MODE | RK_CRYPTO_DEC; + return rk_handle_req(dev, req); +} + +static int rk_des_ecb_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = 0; + return rk_handle_req(dev, req); +} + +static int rk_des_ecb_decrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_DEC; + return rk_handle_req(dev, req); +} + +static int rk_des_cbc_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_TDES_CHAINMODE_CBC; + return rk_handle_req(dev, req); +} + +static int rk_des_cbc_decrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_TDES_CHAINMODE_CBC | RK_CRYPTO_DEC; + return rk_handle_req(dev, req); +} + +static int rk_des3_ede_ecb_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_TDES_SELECT; + return rk_handle_req(dev, req); +} + +static int rk_des3_ede_ecb_decrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_DEC; + return rk_handle_req(dev, req); +} + +static int rk_des3_ede_cbc_encrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE_CBC; + return rk_handle_req(dev, req); +} + +static int rk_des3_ede_cbc_decrypt(struct skcipher_request *req) +{ + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_crypto_info *dev = ctx->dev; + + rctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE_CBC | + RK_CRYPTO_DEC; + return rk_handle_req(dev, req); +} + +static void rk_ablk_hw_init(struct rk_crypto_info *dev, struct skcipher_request *req) +{ + struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(req); + struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(req); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(cipher); + u32 block, conf_reg = 0; + + block = crypto_tfm_alg_blocksize(tfm); + + if (block == DES_BLOCK_SIZE) { + rctx->mode |= RK_CRYPTO_TDES_FIFO_MODE | + RK_CRYPTO_TDES_BYTESWAP_KEY | + RK_CRYPTO_TDES_BYTESWAP_IV; + CRYPTO_WRITE(dev, RK_CRYPTO_TDES_CTRL, rctx->mode); + memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, ctx->key, ctx->keylen); + conf_reg = RK_CRYPTO_DESSEL; + } else { + rctx->mode |= RK_CRYPTO_AES_FIFO_MODE | + RK_CRYPTO_AES_KEY_CHANGE | + RK_CRYPTO_AES_BYTESWAP_KEY | + RK_CRYPTO_AES_BYTESWAP_IV; + if (ctx->keylen == AES_KEYSIZE_192) + rctx->mode |= RK_CRYPTO_AES_192BIT_key; + else if (ctx->keylen == AES_KEYSIZE_256) + rctx->mode |= RK_CRYPTO_AES_256BIT_key; + CRYPTO_WRITE(dev, RK_CRYPTO_AES_CTRL, rctx->mode); + memcpy_toio(ctx->dev->reg + RK_CRYPTO_AES_KEY_0, ctx->key, ctx->keylen); + } + conf_reg |= RK_CRYPTO_BYTESWAP_BTFIFO | + RK_CRYPTO_BYTESWAP_BRFIFO; + CRYPTO_WRITE(dev, RK_CRYPTO_CONF, conf_reg); + CRYPTO_WRITE(dev, RK_CRYPTO_INTENA, + RK_CRYPTO_BCDMA_ERR_ENA | RK_CRYPTO_BCDMA_DONE_ENA); +} + +static void crypto_dma_start(struct rk_crypto_info *dev, + struct scatterlist *sgs, + struct scatterlist *sgd, unsigned int todo) +{ + CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAS, sg_dma_address(sgs)); + CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAL, todo); + CRYPTO_WRITE(dev, RK_CRYPTO_BTDMAS, sg_dma_address(sgd)); + CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, RK_CRYPTO_BLOCK_START | + _SBF(RK_CRYPTO_BLOCK_START, 16)); +} + +static int rk_cipher_run(struct crypto_engine *engine, void *async_req) +{ + struct skcipher_request *areq = container_of(async_req, struct skcipher_request, base); + struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq); + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct rk_cipher_rctx *rctx = skcipher_request_ctx(areq); + struct scatterlist *sgs, *sgd; + int err = 0; + int ivsize = crypto_skcipher_ivsize(tfm); + int offset; + u8 iv[AES_BLOCK_SIZE]; + u8 biv[AES_BLOCK_SIZE]; + u8 *ivtouse = areq->iv; + unsigned int len = areq->cryptlen; + unsigned int todo; + + ivsize = crypto_skcipher_ivsize(tfm); + if (areq->iv && crypto_skcipher_ivsize(tfm) > 0) { + if (rctx->mode & RK_CRYPTO_DEC) { + offset = areq->cryptlen - ivsize; + scatterwalk_map_and_copy(rctx->backup_iv, areq->src, + offset, ivsize, 0); + } + } + + sgs = areq->src; + sgd = areq->dst; + + while (sgs && sgd && len) { + if (!sgs->length) { + sgs = sg_next(sgs); + sgd = sg_next(sgd); + continue; + } + if (rctx->mode & RK_CRYPTO_DEC) { + /* we backup last block of source to be used as IV at next step */ + offset = sgs->length - ivsize; + scatterwalk_map_and_copy(biv, sgs, offset, ivsize, 0); + } + if (sgs == sgd) { + err = dma_map_sg(ctx->dev->dev, sgs, 1, DMA_BIDIRECTIONAL); + if (err <= 0) { + err = -EINVAL; + goto theend_iv; + } + } else { + err = dma_map_sg(ctx->dev->dev, sgs, 1, DMA_TO_DEVICE); + if (err <= 0) { + err = -EINVAL; + goto theend_iv; + } + err = dma_map_sg(ctx->dev->dev, sgd, 1, DMA_FROM_DEVICE); + if (err <= 0) { + err = -EINVAL; + goto theend_sgs; + } + } + err = 0; + rk_ablk_hw_init(ctx->dev, areq); + if (ivsize) { + if (ivsize == DES_BLOCK_SIZE) + memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_IV_0, ivtouse, ivsize); + else + memcpy_toio(ctx->dev->reg + RK_CRYPTO_AES_IV_0, ivtouse, ivsize); + } + reinit_completion(&ctx->dev->complete); + ctx->dev->status = 0; + + todo = min(sg_dma_len(sgs), len); + len -= todo; + crypto_dma_start(ctx->dev, sgs, sgd, todo / 4); + wait_for_completion_interruptible_timeout(&ctx->dev->complete, + msecs_to_jiffies(2000)); + if (!ctx->dev->status) { + dev_err(ctx->dev->dev, "DMA timeout\n"); + err = -EFAULT; + goto theend; + } + if (sgs == sgd) { + dma_unmap_sg(ctx->dev->dev, sgs, 1, DMA_BIDIRECTIONAL); + } else { + dma_unmap_sg(ctx->dev->dev, sgs, 1, DMA_TO_DEVICE); + dma_unmap_sg(ctx->dev->dev, sgd, 1, DMA_FROM_DEVICE); + } + if (rctx->mode & RK_CRYPTO_DEC) { + memcpy(iv, biv, ivsize); + ivtouse = iv; + } else { + offset = sgd->length - ivsize; + scatterwalk_map_and_copy(iv, sgd, offset, ivsize, 0); + ivtouse = iv; + } + sgs = sg_next(sgs); + sgd = sg_next(sgd); + } + + if (areq->iv && ivsize > 0) { + offset = areq->cryptlen - ivsize; + if (rctx->mode & RK_CRYPTO_DEC) { + memcpy(areq->iv, rctx->backup_iv, ivsize); + memzero_explicit(rctx->backup_iv, ivsize); + } else { + scatterwalk_map_and_copy(areq->iv, areq->dst, offset, + ivsize, 0); + } + } + +theend: + local_bh_disable(); + crypto_finalize_skcipher_request(engine, areq, err); + local_bh_enable(); + return 0; + +theend_sgs: + if (sgs == sgd) { + dma_unmap_sg(ctx->dev->dev, sgs, 1, DMA_BIDIRECTIONAL); + } else { + dma_unmap_sg(ctx->dev->dev, sgs, 1, DMA_TO_DEVICE); + dma_unmap_sg(ctx->dev->dev, sgd, 1, DMA_FROM_DEVICE); + } +theend_iv: + return err; +} + +static int rk_ablk_init_tfm(struct crypto_skcipher *tfm) +{ + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + struct skcipher_alg *alg = crypto_skcipher_alg(tfm); + const char *name = crypto_tfm_alg_name(&tfm->base); + struct rk_crypto_tmp *algt; + + algt = container_of(alg, struct rk_crypto_tmp, alg.skcipher); + + ctx->dev = algt->dev; + + ctx->fallback_tfm = crypto_alloc_skcipher(name, 0, CRYPTO_ALG_NEED_FALLBACK); + if (IS_ERR(ctx->fallback_tfm)) { + dev_err(ctx->dev->dev, "ERROR: Cannot allocate fallback for %s %ld\n", + name, PTR_ERR(ctx->fallback_tfm)); + return PTR_ERR(ctx->fallback_tfm); + } + + tfm->reqsize = sizeof(struct rk_cipher_rctx) + + crypto_skcipher_reqsize(ctx->fallback_tfm); + + ctx->enginectx.op.do_one_request = rk_cipher_run; + + return 0; +} + +static void rk_ablk_exit_tfm(struct crypto_skcipher *tfm) +{ + struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm); + + memzero_explicit(ctx->key, ctx->keylen); + crypto_free_skcipher(ctx->fallback_tfm); +} + +struct rk_crypto_tmp rk_ecb_aes_alg = { + .type = ALG_TYPE_CIPHER, + .alg.skcipher = { + .base.cra_name = "ecb(aes)", + .base.cra_driver_name = "ecb-aes-rk", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), + .base.cra_alignmask = 0x0f, + .base.cra_module = THIS_MODULE, + + .init = rk_ablk_init_tfm, + .exit = rk_ablk_exit_tfm, + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = rk_aes_setkey, + .encrypt = rk_aes_ecb_encrypt, + .decrypt = rk_aes_ecb_decrypt, + } +}; + +struct rk_crypto_tmp rk_cbc_aes_alg = { + .type = ALG_TYPE_CIPHER, + .alg.skcipher = { + .base.cra_name = "cbc(aes)", + .base.cra_driver_name = "cbc-aes-rk", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = AES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), + .base.cra_alignmask = 0x0f, + .base.cra_module = THIS_MODULE, + + .init = rk_ablk_init_tfm, + .exit = rk_ablk_exit_tfm, + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = rk_aes_setkey, + .encrypt = rk_aes_cbc_encrypt, + .decrypt = rk_aes_cbc_decrypt, + } +}; + +struct rk_crypto_tmp rk_ecb_des_alg = { + .type = ALG_TYPE_CIPHER, + .alg.skcipher = { + .base.cra_name = "ecb(des)", + .base.cra_driver_name = "ecb-des-rk", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), + .base.cra_alignmask = 0x07, + .base.cra_module = THIS_MODULE, + + .init = rk_ablk_init_tfm, + .exit = rk_ablk_exit_tfm, + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .setkey = rk_des_setkey, + .encrypt = rk_des_ecb_encrypt, + .decrypt = rk_des_ecb_decrypt, + } +}; + +struct rk_crypto_tmp rk_cbc_des_alg = { + .type = ALG_TYPE_CIPHER, + .alg.skcipher = { + .base.cra_name = "cbc(des)", + .base.cra_driver_name = "cbc-des-rk", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), + .base.cra_alignmask = 0x07, + .base.cra_module = THIS_MODULE, + + .init = rk_ablk_init_tfm, + .exit = rk_ablk_exit_tfm, + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = rk_des_setkey, + .encrypt = rk_des_cbc_encrypt, + .decrypt = rk_des_cbc_decrypt, + } +}; + +struct rk_crypto_tmp rk_ecb_des3_ede_alg = { + .type = ALG_TYPE_CIPHER, + .alg.skcipher = { + .base.cra_name = "ecb(des3_ede)", + .base.cra_driver_name = "ecb-des3-ede-rk", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), + .base.cra_alignmask = 0x07, + .base.cra_module = THIS_MODULE, + + .init = rk_ablk_init_tfm, + .exit = rk_ablk_exit_tfm, + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .setkey = rk_tdes_setkey, + .encrypt = rk_des3_ede_ecb_encrypt, + .decrypt = rk_des3_ede_ecb_decrypt, + } +}; + +struct rk_crypto_tmp rk_cbc_des3_ede_alg = { + .type = ALG_TYPE_CIPHER, + .alg.skcipher = { + .base.cra_name = "cbc(des3_ede)", + .base.cra_driver_name = "cbc-des3-ede-rk", + .base.cra_priority = 300, + .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, + .base.cra_blocksize = DES_BLOCK_SIZE, + .base.cra_ctxsize = sizeof(struct rk_cipher_ctx), + .base.cra_alignmask = 0x07, + .base.cra_module = THIS_MODULE, + + .init = rk_ablk_init_tfm, + .exit = rk_ablk_exit_tfm, + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = rk_tdes_setkey, + .encrypt = rk_des3_ede_cbc_encrypt, + .decrypt = rk_des3_ede_cbc_decrypt, + } +}; |