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crypto: sun4i-ss - fallback when length is not multiple of blocksize

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sun4i-ss does not handle requests when length are not a multiple of
blocksize.
This patch adds a fallback for that case.

Fixes: 6298e94821 ("crypto: sunxi-ss - Add Allwinner Security System crypto accelerator")
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Corentin Labbe
2019-04-18 10:17:35 +02:00
committed by Herbert Xu
parent f87391558a
commit 0ae1f46c55
3 changed files with 67 additions and 9 deletions
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2
drivers/crypto/sunxi-ss/sun4i-ss.h
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@@ -161,6 +161,7 @@ struct sun4i_tfm_ctx {
u32 keylen;
u32 keymode;
struct sun4i_ss_ctx *ss;
struct crypto_sync_skcipher *fallback_tfm;
};
struct sun4i_cipher_req_ctx {
@@ -203,6 +204,7 @@ int sun4i_ss_ecb_des3_encrypt(struct skcipher_request *areq);
int sun4i_ss_ecb_des3_decrypt(struct skcipher_request *areq);
int sun4i_ss_cipher_init(struct crypto_tfm *tfm);
void sun4i_ss_cipher_exit(struct crypto_tfm *tfm);
int sun4i_ss_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keylen);
int sun4i_ss_des_setkey(struct crypto_skcipher *tfm, const u8 *key,