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-rw-r--r--drivers/crypto/atmel-aes.c511
1 files changed, 247 insertions, 264 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index f24af212260b..3c88c164c3dc 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -36,6 +36,7 @@
#include <crypto/gcm.h>
#include <crypto/xts.h>
#include <crypto/internal/aead.h>
+#include <crypto/internal/skcipher.h>
#include <linux/platform_data/crypto-atmel.h>
#include <dt-bindings/dma/at91.h>
#include "atmel-aes-regs.h"
@@ -492,23 +493,23 @@ static void atmel_aes_authenc_complete(struct atmel_aes_dev *dd, int err);
static void atmel_aes_set_iv_as_last_ciphertext_block(struct atmel_aes_dev *dd)
{
- struct ablkcipher_request *req = ablkcipher_request_cast(dd->areq);
- struct atmel_aes_reqctx *rctx = ablkcipher_request_ctx(req);
- struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
- unsigned int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+ struct skcipher_request *req = skcipher_request_cast(dd->areq);
+ struct atmel_aes_reqctx *rctx = skcipher_request_ctx(req);
+ struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
+ unsigned int ivsize = crypto_skcipher_ivsize(skcipher);
- if (req->nbytes < ivsize)
+ if (req->cryptlen < ivsize)
return;
if (rctx->mode & AES_FLAGS_ENCRYPT) {
- scatterwalk_map_and_copy(req->info, req->dst,
- req->nbytes - ivsize, ivsize, 0);
+ scatterwalk_map_and_copy(req->iv, req->dst,
+ req->cryptlen - ivsize, ivsize, 0);
} else {
if (req->src == req->dst)
- memcpy(req->info, rctx->lastc, ivsize);
+ memcpy(req->iv, rctx->lastc, ivsize);
else
- scatterwalk_map_and_copy(req->info, req->src,
- req->nbytes - ivsize,
+ scatterwalk_map_and_copy(req->iv, req->src,
+ req->cryptlen - ivsize,
ivsize, 0);
}
}
@@ -981,9 +982,9 @@ static int atmel_aes_transfer_complete(struct atmel_aes_dev *dd)
static int atmel_aes_start(struct atmel_aes_dev *dd)
{
- struct ablkcipher_request *req = ablkcipher_request_cast(dd->areq);
- struct atmel_aes_reqctx *rctx = ablkcipher_request_ctx(req);
- bool use_dma = (req->nbytes >= ATMEL_AES_DMA_THRESHOLD ||
+ struct skcipher_request *req = skcipher_request_cast(dd->areq);
+ struct atmel_aes_reqctx *rctx = skcipher_request_ctx(req);
+ bool use_dma = (req->cryptlen >= ATMEL_AES_DMA_THRESHOLD ||
dd->ctx->block_size != AES_BLOCK_SIZE);
int err;
@@ -993,12 +994,13 @@ static int atmel_aes_start(struct atmel_aes_dev *dd)
if (err)
return atmel_aes_complete(dd, err);
- atmel_aes_write_ctrl(dd, use_dma, req->info);
+ atmel_aes_write_ctrl(dd, use_dma, (void *)req->iv);
if (use_dma)
- return atmel_aes_dma_start(dd, req->src, req->dst, req->nbytes,
+ return atmel_aes_dma_start(dd, req->src, req->dst,
+ req->cryptlen,
atmel_aes_transfer_complete);
- return atmel_aes_cpu_start(dd, req->src, req->dst, req->nbytes,
+ return atmel_aes_cpu_start(dd, req->src, req->dst, req->cryptlen,
atmel_aes_transfer_complete);
}
@@ -1011,7 +1013,7 @@ atmel_aes_ctr_ctx_cast(struct atmel_aes_base_ctx *ctx)
static int atmel_aes_ctr_transfer(struct atmel_aes_dev *dd)
{
struct atmel_aes_ctr_ctx *ctx = atmel_aes_ctr_ctx_cast(dd->ctx);
- struct ablkcipher_request *req = ablkcipher_request_cast(dd->areq);
+ struct skcipher_request *req = skcipher_request_cast(dd->areq);
struct scatterlist *src, *dst;
u32 ctr, blocks;
size_t datalen;
@@ -1019,11 +1021,11 @@ static int atmel_aes_ctr_transfer(struct atmel_aes_dev *dd)
/* Check for transfer completion. */
ctx->offset += dd->total;
- if (ctx->offset >= req->nbytes)
+ if (ctx->offset >= req->cryptlen)
return atmel_aes_transfer_complete(dd);
/* Compute data length. */
- datalen = req->nbytes - ctx->offset;
+ datalen = req->cryptlen - ctx->offset;
blocks = DIV_ROUND_UP(datalen, AES_BLOCK_SIZE);
ctr = be32_to_cpu(ctx->iv[3]);
if (dd->caps.has_ctr32) {
@@ -1076,8 +1078,8 @@ static int atmel_aes_ctr_transfer(struct atmel_aes_dev *dd)
static int atmel_aes_ctr_start(struct atmel_aes_dev *dd)
{
struct atmel_aes_ctr_ctx *ctx = atmel_aes_ctr_ctx_cast(dd->ctx);
- struct ablkcipher_request *req = ablkcipher_request_cast(dd->areq);
- struct atmel_aes_reqctx *rctx = ablkcipher_request_ctx(req);
+ struct skcipher_request *req = skcipher_request_cast(dd->areq);
+ struct atmel_aes_reqctx *rctx = skcipher_request_ctx(req);
int err;
atmel_aes_set_mode(dd, rctx);
@@ -1086,16 +1088,16 @@ static int atmel_aes_ctr_start(struct atmel_aes_dev *dd)
if (err)
return atmel_aes_complete(dd, err);
- memcpy(ctx->iv, req->info, AES_BLOCK_SIZE);
+ memcpy(ctx->iv, req->iv, AES_BLOCK_SIZE);
ctx->offset = 0;
dd->total = 0;
return atmel_aes_ctr_transfer(dd);
}
-static int atmel_aes_crypt(struct ablkcipher_request *req, unsigned long mode)
+static int atmel_aes_crypt(struct skcipher_request *req, unsigned long mode)
{
- struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
- struct atmel_aes_base_ctx *ctx = crypto_ablkcipher_ctx(ablkcipher);
+ struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
+ struct atmel_aes_base_ctx *ctx = crypto_skcipher_ctx(skcipher);
struct atmel_aes_reqctx *rctx;
struct atmel_aes_dev *dd;
@@ -1126,30 +1128,30 @@ static int atmel_aes_crypt(struct ablkcipher_request *req, unsigned long mode)
if (!dd)
return -ENODEV;
- rctx = ablkcipher_request_ctx(req);
+ rctx = skcipher_request_ctx(req);
rctx->mode = mode;
if (!(mode & AES_FLAGS_ENCRYPT) && (req->src == req->dst)) {
- unsigned int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+ unsigned int ivsize = crypto_skcipher_ivsize(skcipher);
- if (req->nbytes >= ivsize)
+ if (req->cryptlen >= ivsize)
scatterwalk_map_and_copy(rctx->lastc, req->src,
- req->nbytes - ivsize,
+ req->cryptlen - ivsize,
ivsize, 0);
}
return atmel_aes_handle_queue(dd, &req->base);
}
-static int atmel_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+static int atmel_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keylen)
{
- struct atmel_aes_base_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct atmel_aes_base_ctx *ctx = crypto_skcipher_ctx(tfm);
if (keylen != AES_KEYSIZE_128 &&
keylen != AES_KEYSIZE_192 &&
keylen != AES_KEYSIZE_256) {
- crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ crypto_skcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
@@ -1159,297 +1161,279 @@ static int atmel_aes_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
return 0;
}
-static int atmel_aes_ecb_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_ecb_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_ECB | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_ecb_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_ecb_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_ECB);
}
-static int atmel_aes_cbc_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_cbc_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CBC | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_cbc_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_cbc_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CBC);
}
-static int atmel_aes_ofb_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_ofb_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_OFB | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_ofb_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_ofb_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_OFB);
}
-static int atmel_aes_cfb_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB128 | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_cfb_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB128);
}
-static int atmel_aes_cfb64_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb64_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB64 | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_cfb64_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb64_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB64);
}
-static int atmel_aes_cfb32_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb32_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB32 | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_cfb32_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb32_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB32);
}
-static int atmel_aes_cfb16_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb16_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB16 | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_cfb16_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb16_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB16);
}
-static int atmel_aes_cfb8_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb8_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB8 | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_cfb8_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_cfb8_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CFB8);
}
-static int atmel_aes_ctr_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_ctr_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CTR | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_ctr_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_ctr_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_CTR);
}
-static int atmel_aes_cra_init(struct crypto_tfm *tfm)
+static int atmel_aes_init_tfm(struct crypto_skcipher *tfm)
{
- struct atmel_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct atmel_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
- tfm->crt_ablkcipher.reqsize = sizeof(struct atmel_aes_reqctx);
+ crypto_skcipher_set_reqsize(tfm, sizeof(struct atmel_aes_reqctx));
ctx->base.start = atmel_aes_start;
return 0;
}
-static int atmel_aes_ctr_cra_init(struct crypto_tfm *tfm)
+static int atmel_aes_ctr_init_tfm(struct crypto_skcipher *tfm)
{
- struct atmel_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct atmel_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
- tfm->crt_ablkcipher.reqsize = sizeof(struct atmel_aes_reqctx);
+ crypto_skcipher_set_reqsize(tfm, sizeof(struct atmel_aes_reqctx));
ctx->base.start = atmel_aes_ctr_start;
return 0;
}
-static struct crypto_alg aes_algs[] = {
-{
- .cra_name = "ecb(aes)",
- .cra_driver_name = "atmel-ecb-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_ctx),
- .cra_alignmask = 0xf,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_ecb_encrypt,
- .decrypt = atmel_aes_ecb_decrypt,
- }
+static struct skcipher_alg aes_algs[] = {
+{
+ .base.cra_name = "ecb(aes)",
+ .base.cra_driver_name = "atmel-ecb-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_ecb_encrypt,
+ .decrypt = atmel_aes_ecb_decrypt,
},
{
- .cra_name = "cbc(aes)",
- .cra_driver_name = "atmel-cbc-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_ctx),
- .cra_alignmask = 0xf,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_cbc_encrypt,
- .decrypt = atmel_aes_cbc_decrypt,
- }
+ .base.cra_name = "cbc(aes)",
+ .base.cra_driver_name = "atmel-cbc-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_cbc_encrypt,
+ .decrypt = atmel_aes_cbc_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
},
{
- .cra_name = "ofb(aes)",
- .cra_driver_name = "atmel-ofb-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_ctx),
- .cra_alignmask = 0xf,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_ofb_encrypt,
- .decrypt = atmel_aes_ofb_decrypt,
- }
+ .base.cra_name = "ofb(aes)",
+ .base.cra_driver_name = "atmel-ofb-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_ofb_encrypt,
+ .decrypt = atmel_aes_ofb_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
},
{
- .cra_name = "cfb(aes)",
- .cra_driver_name = "atmel-cfb-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_ctx),
- .cra_alignmask = 0xf,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_cfb_encrypt,
- .decrypt = atmel_aes_cfb_decrypt,
- }
+ .base.cra_name = "cfb(aes)",
+ .base.cra_driver_name = "atmel-cfb-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_cfb_encrypt,
+ .decrypt = atmel_aes_cfb_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
},
{
- .cra_name = "cfb32(aes)",
- .cra_driver_name = "atmel-cfb32-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = CFB32_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_ctx),
- .cra_alignmask = 0x3,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_cfb32_encrypt,
- .decrypt = atmel_aes_cfb32_decrypt,
- }
+ .base.cra_name = "cfb32(aes)",
+ .base.cra_driver_name = "atmel-cfb32-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = CFB32_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_cfb32_encrypt,
+ .decrypt = atmel_aes_cfb32_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
},
{
- .cra_name = "cfb16(aes)",
- .cra_driver_name = "atmel-cfb16-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = CFB16_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_ctx),
- .cra_alignmask = 0x1,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_cfb16_encrypt,
- .decrypt = atmel_aes_cfb16_decrypt,
- }
+ .base.cra_name = "cfb16(aes)",
+ .base.cra_driver_name = "atmel-cfb16-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = CFB16_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_cfb16_encrypt,
+ .decrypt = atmel_aes_cfb16_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
},
{
- .cra_name = "cfb8(aes)",
- .cra_driver_name = "atmel-cfb8-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = CFB8_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_ctx),
- .cra_alignmask = 0x0,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_cfb8_encrypt,
- .decrypt = atmel_aes_cfb8_decrypt,
- }
+ .base.cra_name = "cfb8(aes)",
+ .base.cra_driver_name = "atmel-cfb8-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = CFB8_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_cfb8_encrypt,
+ .decrypt = atmel_aes_cfb8_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
},
{
- .cra_name = "ctr(aes)",
- .cra_driver_name = "atmel-ctr-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct atmel_aes_ctr_ctx),
- .cra_alignmask = 0xf,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_ctr_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_ctr_encrypt,
- .decrypt = atmel_aes_ctr_decrypt,
- }
+ .base.cra_name = "ctr(aes)",
+ .base.cra_driver_name = "atmel-ctr-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = 1,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctr_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_ctr_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_ctr_encrypt,
+ .decrypt = atmel_aes_ctr_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
},
};
-static struct crypto_alg aes_cfb64_alg = {
- .cra_name = "cfb64(aes)",
- .cra_driver_name = "atmel-cfb64-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = CFB64_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_ctx),
- .cra_alignmask = 0x7,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_setkey,
- .encrypt = atmel_aes_cfb64_encrypt,
- .decrypt = atmel_aes_cfb64_decrypt,
- }
+static struct skcipher_alg aes_cfb64_alg = {
+ .base.cra_name = "cfb64(aes)",
+ .base.cra_driver_name = "atmel-cfb64-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = CFB64_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .init = atmel_aes_init_tfm,
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = atmel_aes_setkey,
+ .encrypt = atmel_aes_cfb64_encrypt,
+ .decrypt = atmel_aes_cfb64_decrypt,
+ .ivsize = AES_BLOCK_SIZE,
};
@@ -1864,8 +1848,8 @@ static int atmel_aes_xts_process_data(struct atmel_aes_dev *dd);
static int atmel_aes_xts_start(struct atmel_aes_dev *dd)
{
struct atmel_aes_xts_ctx *ctx = atmel_aes_xts_ctx_cast(dd->ctx);
- struct ablkcipher_request *req = ablkcipher_request_cast(dd->areq);
- struct atmel_aes_reqctx *rctx = ablkcipher_request_ctx(req);
+ struct skcipher_request *req = skcipher_request_cast(dd->areq);
+ struct atmel_aes_reqctx *rctx = skcipher_request_ctx(req);
unsigned long flags;
int err;
@@ -1875,7 +1859,7 @@ static int atmel_aes_xts_start(struct atmel_aes_dev *dd)
if (err)
return atmel_aes_complete(dd, err);
- /* Compute the tweak value from req->info with ecb(aes). */
+ /* Compute the tweak value from req->iv with ecb(aes). */
flags = dd->flags;
dd->flags &= ~AES_FLAGS_MODE_MASK;
dd->flags |= (AES_FLAGS_ECB | AES_FLAGS_ENCRYPT);
@@ -1883,14 +1867,14 @@ static int atmel_aes_xts_start(struct atmel_aes_dev *dd)
ctx->key2, ctx->base.keylen);
dd->flags = flags;
- atmel_aes_write_block(dd, AES_IDATAR(0), req->info);
+ atmel_aes_write_block(dd, AES_IDATAR(0), req->iv);
return atmel_aes_wait_for_data_ready(dd, atmel_aes_xts_process_data);
}
static int atmel_aes_xts_process_data(struct atmel_aes_dev *dd)
{
- struct ablkcipher_request *req = ablkcipher_request_cast(dd->areq);
- bool use_dma = (req->nbytes >= ATMEL_AES_DMA_THRESHOLD);
+ struct skcipher_request *req = skcipher_request_cast(dd->areq);
+ bool use_dma = (req->cryptlen >= ATMEL_AES_DMA_THRESHOLD);
u32 tweak[AES_BLOCK_SIZE / sizeof(u32)];
static const __le32 one[AES_BLOCK_SIZE / sizeof(u32)] = {cpu_to_le32(1), };
u8 *tweak_bytes = (u8 *)tweak;
@@ -1915,20 +1899,21 @@ static int atmel_aes_xts_process_data(struct atmel_aes_dev *dd)
atmel_aes_write_block(dd, AES_TWR(0), tweak);
atmel_aes_write_block(dd, AES_ALPHAR(0), one);
if (use_dma)
- return atmel_aes_dma_start(dd, req->src, req->dst, req->nbytes,
+ return atmel_aes_dma_start(dd, req->src, req->dst,
+ req->cryptlen,
atmel_aes_transfer_complete);
- return atmel_aes_cpu_start(dd, req->src, req->dst, req->nbytes,
+ return atmel_aes_cpu_start(dd, req->src, req->dst, req->cryptlen,
atmel_aes_transfer_complete);
}
-static int atmel_aes_xts_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
+static int atmel_aes_xts_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keylen)
{
- struct atmel_aes_xts_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct atmel_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
int err;
- err = xts_check_key(crypto_ablkcipher_tfm(tfm), key, keylen);
+ err = xts_check_key(crypto_skcipher_tfm(tfm), key, keylen);
if (err)
return err;
@@ -1939,45 +1924,43 @@ static int atmel_aes_xts_setkey(struct crypto_ablkcipher *tfm, const u8 *key,
return 0;
}
-static int atmel_aes_xts_encrypt(struct ablkcipher_request *req)
+static int atmel_aes_xts_encrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_XTS | AES_FLAGS_ENCRYPT);
}
-static int atmel_aes_xts_decrypt(struct ablkcipher_request *req)
+static int atmel_aes_xts_decrypt(struct skcipher_request *req)
{
return atmel_aes_crypt(req, AES_FLAGS_XTS);
}
-static int atmel_aes_xts_cra_init(struct crypto_tfm *tfm)
+static int atmel_aes_xts_init_tfm(struct crypto_skcipher *tfm)
{
- struct atmel_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct atmel_aes_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
- tfm->crt_ablkcipher.reqsize = sizeof(struct atmel_aes_reqctx);
+ crypto_skcipher_set_reqsize(tfm, sizeof(struct atmel_aes_reqctx));
ctx->base.start = atmel_aes_xts_start;
return 0;
}
-static struct crypto_alg aes_xts_alg = {
- .cra_name = "xts(aes)",
- .cra_driver_name = "atmel-xts-aes",
- .cra_priority = ATMEL_AES_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
- .cra_blocksize = AES_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct atmel_aes_xts_ctx),
- .cra_alignmask = 0xf,
- .cra_type = &crypto_ablkcipher_type,
- .cra_module = THIS_MODULE,
- .cra_init = atmel_aes_xts_cra_init,
- .cra_u.ablkcipher = {
- .min_keysize = 2 * AES_MIN_KEY_SIZE,
- .max_keysize = 2 * AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = atmel_aes_xts_setkey,
- .encrypt = atmel_aes_xts_encrypt,
- .decrypt = atmel_aes_xts_decrypt,
- }
+static struct skcipher_alg aes_xts_alg = {
+ .base.cra_name = "xts(aes)",
+ .base.cra_driver_name = "atmel-xts-aes",
+ .base.cra_priority = ATMEL_AES_PRIORITY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
+ .base.cra_blocksize = AES_BLOCK_SIZE,
+ .base.cra_ctxsize = sizeof(struct atmel_aes_xts_ctx),
+ .base.cra_alignmask = 0xf,
+ .base.cra_module = THIS_MODULE,
+
+ .min_keysize = 2 * AES_MIN_KEY_SIZE,
+ .max_keysize = 2 * AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = atmel_aes_xts_setkey,
+ .encrypt = atmel_aes_xts_encrypt,
+ .decrypt = atmel_aes_xts_decrypt,
+ .init = atmel_aes_xts_init_tfm,
};
#if IS_ENABLED(CONFIG_CRYPTO_DEV_ATMEL_AUTHENC)
@@ -2474,16 +2457,16 @@ static void atmel_aes_unregister_algs(struct atmel_aes_dev *dd)
#endif
if (dd->caps.has_xts)
- crypto_unregister_alg(&aes_xts_alg);
+ crypto_unregister_skcipher(&aes_xts_alg);
if (dd->caps.has_gcm)
crypto_unregister_aead(&aes_gcm_alg);
if (dd->caps.has_cfb64)
- crypto_unregister_alg(&aes_cfb64_alg);
+ crypto_unregister_skcipher(&aes_cfb64_alg);
for (i = 0; i < ARRAY_SIZE(aes_algs); i++)
- crypto_unregister_alg(&aes_algs[i]);
+ crypto_unregister_skcipher(&aes_algs[i]);
}
static int atmel_aes_register_algs(struct atmel_aes_dev *dd)
@@ -2491,13 +2474,13 @@ static int atmel_aes_register_algs(struct atmel_aes_dev *dd)
int err, i, j;
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;
}
if (dd->caps.has_cfb64) {
- err = crypto_register_alg(&aes_cfb64_alg);
+ err = crypto_register_skcipher(&aes_cfb64_alg);
if (err)
goto err_aes_cfb64_alg;
}
@@ -2509,7 +2492,7 @@ static int atmel_aes_register_algs(struct atmel_aes_dev *dd)
}
if (dd->caps.has_xts) {
- err = crypto_register_alg(&aes_xts_alg);
+ err = crypto_register_skcipher(&aes_xts_alg);
if (err)
goto err_aes_xts_alg;
}
@@ -2531,17 +2514,17 @@ static int atmel_aes_register_algs(struct atmel_aes_dev *dd)
err_aes_authenc_alg:
for (j = 0; j < i; j++)
crypto_unregister_aead(&aes_authenc_algs[j]);
- crypto_unregister_alg(&aes_xts_alg);
+ crypto_unregister_skcipher(&aes_xts_alg);
#endif
err_aes_xts_alg:
crypto_unregister_aead(&aes_gcm_alg);
err_aes_gcm_alg:
- crypto_unregister_alg(&aes_cfb64_alg);
+ crypto_unregister_skcipher(&aes_cfb64_alg);
err_aes_cfb64_alg:
i = ARRAY_SIZE(aes_algs);
err_aes_algs:
for (j = 0; j < i; j++)
- crypto_unregister_alg(&aes_algs[j]);
+ crypto_unregister_skcipher(&aes_algs[j]);
return err;
}