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crypto: ccree - use correct internal state sizes for export

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commit f3df82b468f00cca241d96ee3697c9a5e7fb6bd0 upstream.

We were computing the size of the import buffer based on the digest size
but the 318 and 224 byte variants use 512 and 256 bytes internal state
sizes respectfully, thus causing the import buffer to overrun.

Fix it by using the right sizes.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gilad Ben-Yossef 2019-04-18 16:39:02 +03:00 committed by Greg Kroah-Hartman
parent 766121a0a7
commit ca687cdb61
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/ccree/cc_hash.c
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@ -1616,7 +1616,7 @@ static struct cc_hash_template driver_hash[] = {
.setkey = cc_hash_setkey,
.halg = {
.digestsize = SHA224_DIGEST_SIZE,
.statesize = CC_STATE_SIZE(SHA224_DIGEST_SIZE),
.statesize = CC_STATE_SIZE(SHA256_DIGEST_SIZE),
},
},
.hash_mode = DRV_HASH_SHA224,
@ -1641,7 +1641,7 @@ static struct cc_hash_template driver_hash[] = {
.setkey = cc_hash_setkey,
.halg = {
.digestsize = SHA384_DIGEST_SIZE,
.statesize = CC_STATE_SIZE(SHA384_DIGEST_SIZE),
.statesize = CC_STATE_SIZE(SHA512_DIGEST_SIZE),
},
},
.hash_mode = DRV_HASH_SHA384,