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crypto: crypto4xx - fix blocksize for cfb and ofb

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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,
},