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path: root/drivers/crypto/inside-secure/safexcel_cipher.c
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Diffstat (limited to 'drivers/crypto/inside-secure/safexcel_cipher.c')
-rw-r--r--drivers/crypto/inside-secure/safexcel_cipher.c171
1 files changed, 11 insertions, 160 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c
index 272c28b5a088..42677f7458b7 100644
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -742,9 +742,9 @@ static int safexcel_send_req(struct crypto_async_request *base, int ring,
max(totlen_src, totlen_dst));
return -EINVAL;
}
- if (sreq->nr_src > 0)
- dma_map_sg(priv->dev, src, sreq->nr_src,
- DMA_BIDIRECTIONAL);
+ if (sreq->nr_src > 0 &&
+ !dma_map_sg(priv->dev, src, sreq->nr_src, DMA_BIDIRECTIONAL))
+ return -EIO;
} else {
if (unlikely(totlen_src && (sreq->nr_src <= 0))) {
dev_err(priv->dev, "Source buffer not large enough (need %d bytes)!",
@@ -752,8 +752,9 @@ static int safexcel_send_req(struct crypto_async_request *base, int ring,
return -EINVAL;
}
- if (sreq->nr_src > 0)
- dma_map_sg(priv->dev, src, sreq->nr_src, DMA_TO_DEVICE);
+ if (sreq->nr_src > 0 &&
+ !dma_map_sg(priv->dev, src, sreq->nr_src, DMA_TO_DEVICE))
+ return -EIO;
if (unlikely(totlen_dst && (sreq->nr_dst <= 0))) {
dev_err(priv->dev, "Dest buffer not large enough (need %d bytes)!",
@@ -762,9 +763,11 @@ static int safexcel_send_req(struct crypto_async_request *base, int ring,
goto unmap;
}
- if (sreq->nr_dst > 0)
- dma_map_sg(priv->dev, dst, sreq->nr_dst,
- DMA_FROM_DEVICE);
+ if (sreq->nr_dst > 0 &&
+ !dma_map_sg(priv->dev, dst, sreq->nr_dst, DMA_FROM_DEVICE)) {
+ ret = -EIO;
+ goto unmap;
+ }
}
memcpy(ctx->base.ctxr->data, ctx->key, ctx->key_len);
@@ -1349,82 +1352,6 @@ struct safexcel_alg_template safexcel_alg_cbc_aes = {
},
};
-static int safexcel_skcipher_aes_cfb_cra_init(struct crypto_tfm *tfm)
-{
- struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
-
- safexcel_skcipher_cra_init(tfm);
- ctx->alg = SAFEXCEL_AES;
- ctx->blocksz = AES_BLOCK_SIZE;
- ctx->mode = CONTEXT_CONTROL_CRYPTO_MODE_CFB;
- return 0;
-}
-
-struct safexcel_alg_template safexcel_alg_cfb_aes = {
- .type = SAFEXCEL_ALG_TYPE_SKCIPHER,
- .algo_mask = SAFEXCEL_ALG_AES | SAFEXCEL_ALG_AES_XFB,
- .alg.skcipher = {
- .setkey = safexcel_skcipher_aes_setkey,
- .encrypt = safexcel_encrypt,
- .decrypt = safexcel_decrypt,
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .base = {
- .cra_name = "cfb(aes)",
- .cra_driver_name = "safexcel-cfb-aes",
- .cra_priority = SAFEXCEL_CRA_PRIORITY,
- .cra_flags = CRYPTO_ALG_ASYNC |
- CRYPTO_ALG_ALLOCATES_MEMORY |
- CRYPTO_ALG_KERN_DRIVER_ONLY,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
- .cra_alignmask = 0,
- .cra_init = safexcel_skcipher_aes_cfb_cra_init,
- .cra_exit = safexcel_skcipher_cra_exit,
- .cra_module = THIS_MODULE,
- },
- },
-};
-
-static int safexcel_skcipher_aes_ofb_cra_init(struct crypto_tfm *tfm)
-{
- struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
-
- safexcel_skcipher_cra_init(tfm);
- ctx->alg = SAFEXCEL_AES;
- ctx->blocksz = AES_BLOCK_SIZE;
- ctx->mode = CONTEXT_CONTROL_CRYPTO_MODE_OFB;
- return 0;
-}
-
-struct safexcel_alg_template safexcel_alg_ofb_aes = {
- .type = SAFEXCEL_ALG_TYPE_SKCIPHER,
- .algo_mask = SAFEXCEL_ALG_AES | SAFEXCEL_ALG_AES_XFB,
- .alg.skcipher = {
- .setkey = safexcel_skcipher_aes_setkey,
- .encrypt = safexcel_encrypt,
- .decrypt = safexcel_decrypt,
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .base = {
- .cra_name = "ofb(aes)",
- .cra_driver_name = "safexcel-ofb-aes",
- .cra_priority = SAFEXCEL_CRA_PRIORITY,
- .cra_flags = CRYPTO_ALG_ASYNC |
- CRYPTO_ALG_ALLOCATES_MEMORY |
- CRYPTO_ALG_KERN_DRIVER_ONLY,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
- .cra_alignmask = 0,
- .cra_init = safexcel_skcipher_aes_ofb_cra_init,
- .cra_exit = safexcel_skcipher_cra_exit,
- .cra_module = THIS_MODULE,
- },
- },
-};
-
static int safexcel_skcipher_aesctr_setkey(struct crypto_skcipher *ctfm,
const u8 *key, unsigned int len)
{
@@ -3183,82 +3110,6 @@ struct safexcel_alg_template safexcel_alg_cbc_sm4 = {
},
};
-static int safexcel_skcipher_sm4_ofb_cra_init(struct crypto_tfm *tfm)
-{
- struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
-
- safexcel_skcipher_cra_init(tfm);
- ctx->alg = SAFEXCEL_SM4;
- ctx->blocksz = SM4_BLOCK_SIZE;
- ctx->mode = CONTEXT_CONTROL_CRYPTO_MODE_OFB;
- return 0;
-}
-
-struct safexcel_alg_template safexcel_alg_ofb_sm4 = {
- .type = SAFEXCEL_ALG_TYPE_SKCIPHER,
- .algo_mask = SAFEXCEL_ALG_SM4 | SAFEXCEL_ALG_AES_XFB,
- .alg.skcipher = {
- .setkey = safexcel_skcipher_sm4_setkey,
- .encrypt = safexcel_encrypt,
- .decrypt = safexcel_decrypt,
- .min_keysize = SM4_KEY_SIZE,
- .max_keysize = SM4_KEY_SIZE,
- .ivsize = SM4_BLOCK_SIZE,
- .base = {
- .cra_name = "ofb(sm4)",
- .cra_driver_name = "safexcel-ofb-sm4",
- .cra_priority = SAFEXCEL_CRA_PRIORITY,
- .cra_flags = CRYPTO_ALG_ASYNC |
- CRYPTO_ALG_ALLOCATES_MEMORY |
- CRYPTO_ALG_KERN_DRIVER_ONLY,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
- .cra_alignmask = 0,
- .cra_init = safexcel_skcipher_sm4_ofb_cra_init,
- .cra_exit = safexcel_skcipher_cra_exit,
- .cra_module = THIS_MODULE,
- },
- },
-};
-
-static int safexcel_skcipher_sm4_cfb_cra_init(struct crypto_tfm *tfm)
-{
- struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
-
- safexcel_skcipher_cra_init(tfm);
- ctx->alg = SAFEXCEL_SM4;
- ctx->blocksz = SM4_BLOCK_SIZE;
- ctx->mode = CONTEXT_CONTROL_CRYPTO_MODE_CFB;
- return 0;
-}
-
-struct safexcel_alg_template safexcel_alg_cfb_sm4 = {
- .type = SAFEXCEL_ALG_TYPE_SKCIPHER,
- .algo_mask = SAFEXCEL_ALG_SM4 | SAFEXCEL_ALG_AES_XFB,
- .alg.skcipher = {
- .setkey = safexcel_skcipher_sm4_setkey,
- .encrypt = safexcel_encrypt,
- .decrypt = safexcel_decrypt,
- .min_keysize = SM4_KEY_SIZE,
- .max_keysize = SM4_KEY_SIZE,
- .ivsize = SM4_BLOCK_SIZE,
- .base = {
- .cra_name = "cfb(sm4)",
- .cra_driver_name = "safexcel-cfb-sm4",
- .cra_priority = SAFEXCEL_CRA_PRIORITY,
- .cra_flags = CRYPTO_ALG_ASYNC |
- CRYPTO_ALG_ALLOCATES_MEMORY |
- CRYPTO_ALG_KERN_DRIVER_ONLY,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
- .cra_alignmask = 0,
- .cra_init = safexcel_skcipher_sm4_cfb_cra_init,
- .cra_exit = safexcel_skcipher_cra_exit,
- .cra_module = THIS_MODULE,
- },
- },
-};
-
static int safexcel_skcipher_sm4ctr_setkey(struct crypto_skcipher *ctfm,
const u8 *key, unsigned int len)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 12:15:33 +0100