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crypto: ccp - Add SHA-2 384- and 512-bit support

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Incorporate 384-bit and 512-bit hashing for a version 5 CCP
device

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gary R Hook
2017-03-15 13:20:43 -05:00
committed by Herbert Xu
parent 146c8688d9
commit ccebcf3f22
4 changed files with 101 additions and 3 deletions
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22
drivers/crypto/ccp/ccp-crypto-sha.c
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@@ -146,6 +146,12 @@ static int ccp_do_sha_update(struct ahash_request *req, unsigned int nbytes,
case CCP_SHA_TYPE_256:
rctx->cmd.u.sha.ctx_len = SHA256_DIGEST_SIZE;
break;
case CCP_SHA_TYPE_384:
rctx->cmd.u.sha.ctx_len = SHA384_DIGEST_SIZE;
break;
case CCP_SHA_TYPE_512:
rctx->cmd.u.sha.ctx_len = SHA512_DIGEST_SIZE;
break;
default:
/* Should never get here */
break;
@@ -393,6 +399,22 @@ static struct ccp_sha_def sha_algs[] = {
.digest_size = SHA256_DIGEST_SIZE,
.block_size = SHA256_BLOCK_SIZE,
},
{
.version = CCP_VERSION(5, 0),
.name = "sha384",
.drv_name = "sha384-ccp",
.type = CCP_SHA_TYPE_384,
.digest_size = SHA384_DIGEST_SIZE,
.block_size = SHA384_BLOCK_SIZE,
},
{
.version = CCP_VERSION(5, 0),
.name = "sha512",
.drv_name = "sha512-ccp",
.type = CCP_SHA_TYPE_512,
.digest_size = SHA512_DIGEST_SIZE,
.block_size = SHA512_BLOCK_SIZE,
},
};
static int ccp_register_hmac_alg(struct list_head *head,