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crypto: inside-secure - hmac(sha512) support

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This patch adds the hmac(sha512) algorithm support to the Inside Secure
SafeXcel driver.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Tenart 2018-05-29 14:13:47 +02:00 committed by Herbert Xu
parent b460edb623
commit 0de54fb100
3 changed files with 61 additions and 3 deletions
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1
drivers/crypto/inside-secure/safexcel.c
View File

@ -794,6 +794,7 @@ static struct safexcel_alg_template *safexcel_algs[] = {
&safexcel_alg_hmac_sha1,
&safexcel_alg_hmac_sha224,
&safexcel_alg_hmac_sha256,
&safexcel_alg_hmac_sha512,
&safexcel_alg_authenc_hmac_sha1_cbc_aes,
&safexcel_alg_authenc_hmac_sha224_cbc_aes,
&safexcel_alg_authenc_hmac_sha256_cbc_aes,

3
drivers/crypto/inside-secure/safexcel.h
View File

@ -287,7 +287,7 @@ struct safexcel_context_record {
u32 control0;
u32 control1;
__le32 data[24];
__le32 data[40];
} __packed;
/* control0 */
@ -676,6 +676,7 @@ extern struct safexcel_alg_template safexcel_alg_sha512;
extern struct safexcel_alg_template safexcel_alg_hmac_sha1;
extern struct safexcel_alg_template safexcel_alg_hmac_sha224;
extern struct safexcel_alg_template safexcel_alg_hmac_sha256;
extern struct safexcel_alg_template safexcel_alg_hmac_sha512;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha224_cbc_aes;
extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha256_cbc_aes;

60
drivers/crypto/inside-secure/safexcel_hash.c
View File

@ -22,8 +22,8 @@ struct safexcel_ahash_ctx {
u32 alg;
u32 ipad[SHA256_DIGEST_SIZE / sizeof(u32)];
u32 opad[SHA256_DIGEST_SIZE / sizeof(u32)];
u32 ipad[SHA512_DIGEST_SIZE / sizeof(u32)];
u32 opad[SHA512_DIGEST_SIZE / sizeof(u32)];
};
struct safexcel_ahash_req {
@ -1358,3 +1358,59 @@ struct safexcel_alg_template safexcel_alg_sha512 = {
},
},
};
static int safexcel_hmac_sha512_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
{
return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha512",
SHA512_DIGEST_SIZE);
}
static int safexcel_hmac_sha512_init(struct ahash_request *areq)
{
struct safexcel_ahash_req *req = ahash_request_ctx(areq);
safexcel_sha512_init(areq);
req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
return 0;
}
static int safexcel_hmac_sha512_digest(struct ahash_request *areq)
{
int ret = safexcel_hmac_sha512_init(areq);
if (ret)
return ret;
return safexcel_ahash_finup(areq);
}
struct safexcel_alg_template safexcel_alg_hmac_sha512 = {
.type = SAFEXCEL_ALG_TYPE_AHASH,
.alg.ahash = {
.init = safexcel_hmac_sha512_init,
.update = safexcel_ahash_update,
.final = safexcel_ahash_final,
.finup = safexcel_ahash_finup,
.digest = safexcel_hmac_sha512_digest,
.setkey = safexcel_hmac_sha512_setkey,
.export = safexcel_ahash_export,
.import = safexcel_ahash_import,
.halg = {
.digestsize = SHA512_DIGEST_SIZE,
.statesize = sizeof(struct safexcel_ahash_export_state),
.base = {
.cra_name = "hmac(sha512)",
.cra_driver_name = "safexcel-hmac-sha512",
.cra_priority = 300,
.cra_flags = CRYPTO_ALG_ASYNC |
CRYPTO_ALG_KERN_DRIVER_ONLY,
.cra_blocksize = SHA512_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct safexcel_ahash_ctx),
.cra_init = safexcel_ahash_cra_init,
.cra_exit = safexcel_ahash_cra_exit,
.cra_module = THIS_MODULE,
},
},
},
};