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crypto: crypto4xx - fix blocksize for cfb and ofb 

While the hardware consider them to be blockciphers, the
reference implementation defines them as streamciphers.

Do the right thing and set the blocksize to 1. This
was found by CONFIG_CRYPTO_MANAGER_EXTRA_TESTS.

This fixes the following issues:
skcipher: blocksize for ofb-aes-ppc4xx (16) doesn't match generic impl (1)
skcipher: blocksize for cfb-aes-ppc4xx (16) doesn't match generic impl (1)

Cc: Eric Biggers <ebiggers@kernel.org>
Cc: stable@vger.kernel.org
Fixes: f2a13e7cba ("crypto: crypto4xx - enable AES RFC3686, ECB, CFB and OFB offloads")
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Christian Lamparter 2019-05-18 23:28:11 +02:00 committed by Herbert Xu
parent bfa2ba7d9e
commit 70c4997f34
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/amcc/crypto4xx_core.c
View File

@ -1231,7 +1231,7 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
.cra_priority = CRYPTO4XX_CRYPTO_PRIORITY,
.cra_flags = CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct crypto4xx_ctx),
.cra_module = THIS_MODULE,
},
@ -1311,7 +1311,7 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = {
.cra_priority = CRYPTO4XX_CRYPTO_PRIORITY,
.cra_flags = CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct crypto4xx_ctx),
.cra_module = THIS_MODULE,
},