# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_CRYPTO_DEV_ROCKCHIP) += rk_crypto.o
rk_crypto-objs := rk3288_crypto.o \
- rk3288_crypto_ablkcipher.o \
+ rk3288_crypto_skcipher.o \
rk3288_crypto_ahash.o
for (i = 0; i < ARRAY_SIZE(rk_cipher_algs); i++) {
rk_cipher_algs[i]->dev = crypto_info;
if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER)
- err = crypto_register_alg(
- &rk_cipher_algs[i]->alg.crypto);
+ err = crypto_register_skcipher(
+ &rk_cipher_algs[i]->alg.skcipher);
else
err = crypto_register_ahash(
&rk_cipher_algs[i]->alg.hash);
err_cipher_algs:
for (k = 0; k < i; k++) {
if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER)
- crypto_unregister_alg(&rk_cipher_algs[k]->alg.crypto);
+ crypto_unregister_skcipher(&rk_cipher_algs[k]->alg.skcipher);
else
crypto_unregister_ahash(&rk_cipher_algs[i]->alg.hash);
}
for (i = 0; i < ARRAY_SIZE(rk_cipher_algs); i++) {
if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER)
- crypto_unregister_alg(&rk_cipher_algs[i]->alg.crypto);
+ crypto_unregister_skcipher(&rk_cipher_algs[i]->alg.skcipher);
else
crypto_unregister_ahash(&rk_cipher_algs[i]->alg.hash);
}
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <crypto/internal/hash.h>
+#include <crypto/internal/skcipher.h>
#include <crypto/md5.h>
#include <crypto/sha.h>
struct rk_crypto_tmp {
struct rk_crypto_info *dev;
union {
- struct crypto_alg crypto;
+ struct skcipher_alg skcipher;
struct ahash_alg hash;
} alg;
enum alg_type type;
+++ /dev/null
-// 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 "rk3288_crypto.h"
-
-#define RK_CRYPTO_DEC BIT(0)
-
-static void rk_crypto_complete(struct crypto_async_request *base, int err)
-{
- if (base->complete)
- base->complete(base, err);
-}
-
-static int rk_handle_req(struct rk_crypto_info *dev,
- struct ablkcipher_request *req)
-{
- if (!IS_ALIGNED(req->nbytes, dev->align_size))
- return -EINVAL;
- else
- return dev->enqueue(dev, &req->base);
-}
-
-static int rk_aes_setkey(struct crypto_ablkcipher *cipher,
- const u8 *key, unsigned int keylen)
-{
- struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
- struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
-
- if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 &&
- keylen != AES_KEYSIZE_256) {
- crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
- return -EINVAL;
- }
- ctx->keylen = keylen;
- memcpy_toio(ctx->dev->reg + RK_CRYPTO_AES_KEY_0, key, keylen);
- return 0;
-}
-
-static int rk_des_setkey(struct crypto_ablkcipher *cipher,
- const u8 *key, unsigned int keylen)
-{
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(cipher);
- int err;
-
- err = verify_ablkcipher_des_key(cipher, key);
- if (err)
- return err;
-
- ctx->keylen = keylen;
- memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);
- return 0;
-}
-
-static int rk_tdes_setkey(struct crypto_ablkcipher *cipher,
- const u8 *key, unsigned int keylen)
-{
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(cipher);
- int err;
-
- err = verify_ablkcipher_des3_key(cipher, key);
- if (err)
- return err;
-
- ctx->keylen = keylen;
- memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);
- return 0;
-}
-
-static int rk_aes_ecb_encrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_AES_ECB_MODE;
- return rk_handle_req(dev, req);
-}
-
-static int rk_aes_ecb_decrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_AES_ECB_MODE | RK_CRYPTO_DEC;
- return rk_handle_req(dev, req);
-}
-
-static int rk_aes_cbc_encrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_AES_CBC_MODE;
- return rk_handle_req(dev, req);
-}
-
-static int rk_aes_cbc_decrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_AES_CBC_MODE | RK_CRYPTO_DEC;
- return rk_handle_req(dev, req);
-}
-
-static int rk_des_ecb_encrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = 0;
- return rk_handle_req(dev, req);
-}
-
-static int rk_des_ecb_decrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_DEC;
- return rk_handle_req(dev, req);
-}
-
-static int rk_des_cbc_encrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_TDES_CHAINMODE_CBC;
- return rk_handle_req(dev, req);
-}
-
-static int rk_des_cbc_decrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_TDES_CHAINMODE_CBC | RK_CRYPTO_DEC;
- return rk_handle_req(dev, req);
-}
-
-static int rk_des3_ede_ecb_encrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_TDES_SELECT;
- return rk_handle_req(dev, req);
-}
-
-static int rk_des3_ede_ecb_decrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_DEC;
- return rk_handle_req(dev, req);
-}
-
-static int rk_des3_ede_cbc_encrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE_CBC;
- return rk_handle_req(dev, req);
-}
-
-static int rk_des3_ede_cbc_decrypt(struct ablkcipher_request *req)
-{
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- struct rk_crypto_info *dev = ctx->dev;
-
- ctx->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 ablkcipher_request *req =
- ablkcipher_request_cast(dev->async_req);
- struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(req);
- struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(cipher);
- u32 ivsize, block, conf_reg = 0;
-
- block = crypto_tfm_alg_blocksize(tfm);
- ivsize = crypto_ablkcipher_ivsize(cipher);
-
- if (block == DES_BLOCK_SIZE) {
- ctx->mode |= RK_CRYPTO_TDES_FIFO_MODE |
- RK_CRYPTO_TDES_BYTESWAP_KEY |
- RK_CRYPTO_TDES_BYTESWAP_IV;
- CRYPTO_WRITE(dev, RK_CRYPTO_TDES_CTRL, ctx->mode);
- memcpy_toio(dev->reg + RK_CRYPTO_TDES_IV_0, req->info, ivsize);
- conf_reg = RK_CRYPTO_DESSEL;
- } else {
- ctx->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)
- ctx->mode |= RK_CRYPTO_AES_192BIT_key;
- else if (ctx->keylen == AES_KEYSIZE_256)
- ctx->mode |= RK_CRYPTO_AES_256BIT_key;
- CRYPTO_WRITE(dev, RK_CRYPTO_AES_CTRL, ctx->mode);
- memcpy_toio(dev->reg + RK_CRYPTO_AES_IV_0, req->info, ivsize);
- }
- 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)
-{
- CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAS, dev->addr_in);
- CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAL, dev->count / 4);
- CRYPTO_WRITE(dev, RK_CRYPTO_BTDMAS, dev->addr_out);
- CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, RK_CRYPTO_BLOCK_START |
- _SBF(RK_CRYPTO_BLOCK_START, 16));
-}
-
-static int rk_set_data_start(struct rk_crypto_info *dev)
-{
- int err;
- struct ablkcipher_request *req =
- ablkcipher_request_cast(dev->async_req);
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- u32 ivsize = crypto_ablkcipher_ivsize(tfm);
- u8 *src_last_blk = page_address(sg_page(dev->sg_src)) +
- dev->sg_src->offset + dev->sg_src->length - ivsize;
-
- /* Store the iv that need to be updated in chain mode.
- * And update the IV buffer to contain the next IV for decryption mode.
- */
- if (ctx->mode & RK_CRYPTO_DEC) {
- memcpy(ctx->iv, src_last_blk, ivsize);
- sg_pcopy_to_buffer(dev->first, dev->src_nents, req->info,
- ivsize, dev->total - ivsize);
- }
-
- err = dev->load_data(dev, dev->sg_src, dev->sg_dst);
- if (!err)
- crypto_dma_start(dev);
- return err;
-}
-
-static int rk_ablk_start(struct rk_crypto_info *dev)
-{
- struct ablkcipher_request *req =
- ablkcipher_request_cast(dev->async_req);
- unsigned long flags;
- int err = 0;
-
- dev->left_bytes = req->nbytes;
- dev->total = req->nbytes;
- dev->sg_src = req->src;
- dev->first = req->src;
- dev->src_nents = sg_nents(req->src);
- dev->sg_dst = req->dst;
- dev->dst_nents = sg_nents(req->dst);
- dev->aligned = 1;
-
- spin_lock_irqsave(&dev->lock, flags);
- rk_ablk_hw_init(dev);
- err = rk_set_data_start(dev);
- spin_unlock_irqrestore(&dev->lock, flags);
- return err;
-}
-
-static void rk_iv_copyback(struct rk_crypto_info *dev)
-{
- struct ablkcipher_request *req =
- ablkcipher_request_cast(dev->async_req);
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- u32 ivsize = crypto_ablkcipher_ivsize(tfm);
-
- /* Update the IV buffer to contain the next IV for encryption mode. */
- if (!(ctx->mode & RK_CRYPTO_DEC)) {
- if (dev->aligned) {
- memcpy(req->info, sg_virt(dev->sg_dst) +
- dev->sg_dst->length - ivsize, ivsize);
- } else {
- memcpy(req->info, dev->addr_vir +
- dev->count - ivsize, ivsize);
- }
- }
-}
-
-static void rk_update_iv(struct rk_crypto_info *dev)
-{
- struct ablkcipher_request *req =
- ablkcipher_request_cast(dev->async_req);
- struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
- struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
- u32 ivsize = crypto_ablkcipher_ivsize(tfm);
- u8 *new_iv = NULL;
-
- if (ctx->mode & RK_CRYPTO_DEC) {
- new_iv = ctx->iv;
- } else {
- new_iv = page_address(sg_page(dev->sg_dst)) +
- dev->sg_dst->offset + dev->sg_dst->length - ivsize;
- }
-
- if (ivsize == DES_BLOCK_SIZE)
- memcpy_toio(dev->reg + RK_CRYPTO_TDES_IV_0, new_iv, ivsize);
- else if (ivsize == AES_BLOCK_SIZE)
- memcpy_toio(dev->reg + RK_CRYPTO_AES_IV_0, new_iv, ivsize);
-}
-
-/* return:
- * true some err was occurred
- * fault no err, continue
- */
-static int rk_ablk_rx(struct rk_crypto_info *dev)
-{
- int err = 0;
- struct ablkcipher_request *req =
- ablkcipher_request_cast(dev->async_req);
-
- dev->unload_data(dev);
- if (!dev->aligned) {
- if (!sg_pcopy_from_buffer(req->dst, dev->dst_nents,
- dev->addr_vir, dev->count,
- dev->total - dev->left_bytes -
- dev->count)) {
- err = -EINVAL;
- goto out_rx;
- }
- }
- if (dev->left_bytes) {
- rk_update_iv(dev);
- if (dev->aligned) {
- if (sg_is_last(dev->sg_src)) {
- dev_err(dev->dev, "[%s:%d] Lack of data\n",
- __func__, __LINE__);
- err = -ENOMEM;
- goto out_rx;
- }
- dev->sg_src = sg_next(dev->sg_src);
- dev->sg_dst = sg_next(dev->sg_dst);
- }
- err = rk_set_data_start(dev);
- } else {
- rk_iv_copyback(dev);
- /* here show the calculation is over without any err */
- dev->complete(dev->async_req, 0);
- tasklet_schedule(&dev->queue_task);
- }
-out_rx:
- return err;
-}
-
-static int rk_ablk_cra_init(struct crypto_tfm *tfm)
-{
- struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
- struct crypto_alg *alg = tfm->__crt_alg;
- struct rk_crypto_tmp *algt;
-
- algt = container_of(alg, struct rk_crypto_tmp, alg.crypto);
-
- ctx->dev = algt->dev;
- ctx->dev->align_size = crypto_tfm_alg_alignmask(tfm) + 1;
- ctx->dev->start = rk_ablk_start;
- ctx->dev->update = rk_ablk_rx;
- ctx->dev->complete = rk_crypto_complete;
- ctx->dev->addr_vir = (char *)__get_free_page(GFP_KERNEL);
-
- return ctx->dev->addr_vir ? ctx->dev->enable_clk(ctx->dev) : -ENOMEM;
-}
-
-static void rk_ablk_cra_exit(struct crypto_tfm *tfm)
-{
- struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
-
- free_page((unsigned long)ctx->dev->addr_vir);
- ctx->dev->disable_clk(ctx->dev);
-}
-
-struct rk_crypto_tmp rk_ecb_aes_alg = {
- .type = ALG_TYPE_CIPHER,
- .alg.crypto = {
- .cra_name = "ecb(aes)",
- .cra_driver_name = "ecb-aes-rk",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct rk_cipher_ctx),
- .cra_alignmask = 0x0f,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = rk_ablk_cra_init,
- .cra_exit = rk_ablk_cra_exit,
- .cra_u.ablkcipher = {
- .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.crypto = {
- .cra_name = "cbc(aes)",
- .cra_driver_name = "cbc-aes-rk",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct rk_cipher_ctx),
- .cra_alignmask = 0x0f,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = rk_ablk_cra_init,
- .cra_exit = rk_ablk_cra_exit,
- .cra_u.ablkcipher = {
- .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.crypto = {
- .cra_name = "ecb(des)",
- .cra_driver_name = "ecb-des-rk",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct rk_cipher_ctx),
- .cra_alignmask = 0x07,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = rk_ablk_cra_init,
- .cra_exit = rk_ablk_cra_exit,
- .cra_u.ablkcipher = {
- .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.crypto = {
- .cra_name = "cbc(des)",
- .cra_driver_name = "cbc-des-rk",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct rk_cipher_ctx),
- .cra_alignmask = 0x07,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = rk_ablk_cra_init,
- .cra_exit = rk_ablk_cra_exit,
- .cra_u.ablkcipher = {
- .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.crypto = {
- .cra_name = "ecb(des3_ede)",
- .cra_driver_name = "ecb-des3-ede-rk",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct rk_cipher_ctx),
- .cra_alignmask = 0x07,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = rk_ablk_cra_init,
- .cra_exit = rk_ablk_cra_exit,
- .cra_u.ablkcipher = {
- .min_keysize = DES3_EDE_KEY_SIZE,
- .max_keysize = DES3_EDE_KEY_SIZE,
- .ivsize = DES_BLOCK_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.crypto = {
- .cra_name = "cbc(des3_ede)",
- .cra_driver_name = "cbc-des3-ede-rk",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
- CRYPTO_ALG_ASYNC,
- .cra_blocksize = DES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct rk_cipher_ctx),
- .cra_alignmask = 0x07,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = rk_ablk_cra_init,
- .cra_exit = rk_ablk_cra_exit,
- .cra_u.ablkcipher = {
- .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,
- }
- }
-};
--- /dev/null
+// 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 "rk3288_crypto.h"
+
+#define RK_CRYPTO_DEC BIT(0)
+
+static void rk_crypto_complete(struct crypto_async_request *base, int err)
+{
+ if (base->complete)
+ base->complete(base, err);
+}
+
+static int rk_handle_req(struct rk_crypto_info *dev,
+ struct skcipher_request *req)
+{
+ if (!IS_ALIGNED(req->cryptlen, dev->align_size))
+ return -EINVAL;
+ else
+ return dev->enqueue(dev, &req->base);
+}
+
+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) {
+ crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+ ctx->keylen = keylen;
+ memcpy_toio(ctx->dev->reg + RK_CRYPTO_AES_KEY_0, key, keylen);
+ return 0;
+}
+
+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_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);
+ return 0;
+}
+
+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_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);
+ return 0;
+}
+
+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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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_crypto_info *dev = ctx->dev;
+
+ ctx->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 =
+ skcipher_request_cast(dev->async_req);
+ struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(req);
+ struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
+ struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(cipher);
+ u32 ivsize, block, conf_reg = 0;
+
+ block = crypto_tfm_alg_blocksize(tfm);
+ ivsize = crypto_skcipher_ivsize(cipher);
+
+ if (block == DES_BLOCK_SIZE) {
+ ctx->mode |= RK_CRYPTO_TDES_FIFO_MODE |
+ RK_CRYPTO_TDES_BYTESWAP_KEY |
+ RK_CRYPTO_TDES_BYTESWAP_IV;
+ CRYPTO_WRITE(dev, RK_CRYPTO_TDES_CTRL, ctx->mode);
+ memcpy_toio(dev->reg + RK_CRYPTO_TDES_IV_0, req->iv, ivsize);
+ conf_reg = RK_CRYPTO_DESSEL;
+ } else {
+ ctx->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)
+ ctx->mode |= RK_CRYPTO_AES_192BIT_key;
+ else if (ctx->keylen == AES_KEYSIZE_256)
+ ctx->mode |= RK_CRYPTO_AES_256BIT_key;
+ CRYPTO_WRITE(dev, RK_CRYPTO_AES_CTRL, ctx->mode);
+ memcpy_toio(dev->reg + RK_CRYPTO_AES_IV_0, req->iv, ivsize);
+ }
+ 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)
+{
+ CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAS, dev->addr_in);
+ CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAL, dev->count / 4);
+ CRYPTO_WRITE(dev, RK_CRYPTO_BTDMAS, dev->addr_out);
+ CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, RK_CRYPTO_BLOCK_START |
+ _SBF(RK_CRYPTO_BLOCK_START, 16));
+}
+
+static int rk_set_data_start(struct rk_crypto_info *dev)
+{
+ int err;
+ struct skcipher_request *req =
+ skcipher_request_cast(dev->async_req);
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm);
+ u32 ivsize = crypto_skcipher_ivsize(tfm);
+ u8 *src_last_blk = page_address(sg_page(dev->sg_src)) +
+ dev->sg_src->offset + dev->sg_src->length - ivsize;
+
+ /* Store the iv that need to be updated in chain mode.
+ * And update the IV buffer to contain the next IV for decryption mode.
+ */
+ if (ctx->mode & RK_CRYPTO_DEC) {
+ memcpy(ctx->iv, src_last_blk, ivsize);
+ sg_pcopy_to_buffer(dev->first, dev->src_nents, req->iv,
+ ivsize, dev->total - ivsize);
+ }
+
+ err = dev->load_data(dev, dev->sg_src, dev->sg_dst);
+ if (!err)
+ crypto_dma_start(dev);
+ return err;
+}
+
+static int rk_ablk_start(struct rk_crypto_info *dev)
+{
+ struct skcipher_request *req =
+ skcipher_request_cast(dev->async_req);
+ unsigned long flags;
+ int err = 0;
+
+ dev->left_bytes = req->cryptlen;
+ dev->total = req->cryptlen;
+ dev->sg_src = req->src;
+ dev->first = req->src;
+ dev->src_nents = sg_nents(req->src);
+ dev->sg_dst = req->dst;
+ dev->dst_nents = sg_nents(req->dst);
+ dev->aligned = 1;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ rk_ablk_hw_init(dev);
+ err = rk_set_data_start(dev);
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return err;
+}
+
+static void rk_iv_copyback(struct rk_crypto_info *dev)
+{
+ struct skcipher_request *req =
+ skcipher_request_cast(dev->async_req);
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm);
+ u32 ivsize = crypto_skcipher_ivsize(tfm);
+
+ /* Update the IV buffer to contain the next IV for encryption mode. */
+ if (!(ctx->mode & RK_CRYPTO_DEC)) {
+ if (dev->aligned) {
+ memcpy(req->iv, sg_virt(dev->sg_dst) +
+ dev->sg_dst->length - ivsize, ivsize);
+ } else {
+ memcpy(req->iv, dev->addr_vir +
+ dev->count - ivsize, ivsize);
+ }
+ }
+}
+
+static void rk_update_iv(struct rk_crypto_info *dev)
+{
+ struct skcipher_request *req =
+ skcipher_request_cast(dev->async_req);
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm);
+ u32 ivsize = crypto_skcipher_ivsize(tfm);
+ u8 *new_iv = NULL;
+
+ if (ctx->mode & RK_CRYPTO_DEC) {
+ new_iv = ctx->iv;
+ } else {
+ new_iv = page_address(sg_page(dev->sg_dst)) +
+ dev->sg_dst->offset + dev->sg_dst->length - ivsize;
+ }
+
+ if (ivsize == DES_BLOCK_SIZE)
+ memcpy_toio(dev->reg + RK_CRYPTO_TDES_IV_0, new_iv, ivsize);
+ else if (ivsize == AES_BLOCK_SIZE)
+ memcpy_toio(dev->reg + RK_CRYPTO_AES_IV_0, new_iv, ivsize);
+}
+
+/* return:
+ * true some err was occurred
+ * fault no err, continue
+ */
+static int rk_ablk_rx(struct rk_crypto_info *dev)
+{
+ int err = 0;
+ struct skcipher_request *req =
+ skcipher_request_cast(dev->async_req);
+
+ dev->unload_data(dev);
+ if (!dev->aligned) {
+ if (!sg_pcopy_from_buffer(req->dst, dev->dst_nents,
+ dev->addr_vir, dev->count,
+ dev->total - dev->left_bytes -
+ dev->count)) {
+ err = -EINVAL;
+ goto out_rx;
+ }
+ }
+ if (dev->left_bytes) {
+ rk_update_iv(dev);
+ if (dev->aligned) {
+ if (sg_is_last(dev->sg_src)) {
+ dev_err(dev->dev, "[%s:%d] Lack of data\n",
+ __func__, __LINE__);
+ err = -ENOMEM;
+ goto out_rx;
+ }
+ dev->sg_src = sg_next(dev->sg_src);
+ dev->sg_dst = sg_next(dev->sg_dst);
+ }
+ err = rk_set_data_start(dev);
+ } else {
+ rk_iv_copyback(dev);
+ /* here show the calculation is over without any err */
+ dev->complete(dev->async_req, 0);
+ tasklet_schedule(&dev->queue_task);
+ }
+out_rx:
+ 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);
+ struct rk_crypto_tmp *algt;
+
+ algt = container_of(alg, struct rk_crypto_tmp, alg.skcipher);
+
+ ctx->dev = algt->dev;
+ ctx->dev->align_size = crypto_tfm_alg_alignmask(crypto_skcipher_tfm(tfm)) + 1;
+ ctx->dev->start = rk_ablk_start;
+ ctx->dev->update = rk_ablk_rx;
+ ctx->dev->complete = rk_crypto_complete;
+ ctx->dev->addr_vir = (char *)__get_free_page(GFP_KERNEL);
+
+ return ctx->dev->addr_vir ? ctx->dev->enable_clk(ctx->dev) : -ENOMEM;
+}
+
+static void rk_ablk_exit_tfm(struct crypto_skcipher *tfm)
+{
+ struct rk_cipher_ctx *ctx = crypto_skcipher_ctx(tfm);
+
+ free_page((unsigned long)ctx->dev->addr_vir);
+ ctx->dev->disable_clk(ctx->dev);
+}
+
+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,
+ .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,
+ .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,
+ .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,
+ .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,
+ .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_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,
+ .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,
+ }
+};
projects / kernel.git / commitdiff