diff options
| author | Antoine Tenart <antoine.tenart@bootlin.com> | 2018-03-19 09:21:21 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-03-31 01:32:49 +0800 |
| commit | 3ad618d8e16e844b6f562ae6c9b0984fca30409e (patch) | |
| tree | d25df5a8b9965ccebface534d8f4cdeaa9338a26 /drivers/crypto/inside-secure | |
| parent | 73f36ea703219115957a6a9f5dbe9d92b954eea4 (diff) | |
| download | linux-3ad618d8e16e844b6f562ae6c9b0984fca30409e.tar.gz | |
crypto: inside-secure - hmac(sha224) support
This patch adds the hmac(sha224) support to the Inside Secure
cryptographic engine driver.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/inside-secure')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.c | 1 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.h | 1 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 56 |
3 files changed, 58 insertions, 0 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 33595f41586f..d4a81be0d7d2 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -768,6 +768,7 @@ static struct safexcel_alg_template *safexcel_algs[] = { &safexcel_alg_sha224, &safexcel_alg_sha256, &safexcel_alg_hmac_sha1, + &safexcel_alg_hmac_sha224, &safexcel_alg_hmac_sha256, }; diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h index 99e0f32452ff..b470a849721f 100644 --- a/drivers/crypto/inside-secure/safexcel.h +++ b/drivers/crypto/inside-secure/safexcel.h @@ -633,6 +633,7 @@ extern struct safexcel_alg_template safexcel_alg_sha1; extern struct safexcel_alg_template safexcel_alg_sha224; extern struct safexcel_alg_template safexcel_alg_sha256; 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; #endif diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index e84a1ce66309..317b9e480312 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -1153,6 +1153,62 @@ struct safexcel_alg_template safexcel_alg_sha224 = { }, }; +static int safexcel_hmac_sha224_setkey(struct crypto_ahash *tfm, const u8 *key, + unsigned int keylen) +{ + return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha224", + SHA256_DIGEST_SIZE); +} + +static int safexcel_hmac_sha224_init(struct ahash_request *areq) +{ + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + safexcel_sha224_init(areq); + req->digest = CONTEXT_CONTROL_DIGEST_HMAC; + return 0; +} + +static int safexcel_hmac_sha224_digest(struct ahash_request *areq) +{ + int ret = safexcel_hmac_sha224_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_hmac_sha224 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .alg.ahash = { + .init = safexcel_hmac_sha224_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_hmac_sha224_digest, + .setkey = safexcel_hmac_sha224_setkey, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = SHA224_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "hmac(sha224)", + .cra_driver_name = "safexcel-hmac-sha224", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = SHA224_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, + }, + }, + }, +}; + static int safexcel_hmac_sha256_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen) { |