diff options
| author | Ofer Heifetz <oferh@marvell.com> | 2018-06-28 17:21:54 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-07-09 00:30:16 +0800 |
| commit | b471e4b988af70eeb1940dddea62a92eff49023e (patch) | |
| tree | efd4ef41106c7eeb68ab898cf1b56d51f371a83c /drivers/crypto | |
| parent | 293f89cf930e7f0e99e74223673e3dc46380b26b (diff) | |
crypto: inside-secure - hmac(md5) support
This patch adds support for the hmac(md5) algorithm in the Inside Secure
SafeXcel cryptographic engine driver.
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.c | 3 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.h | 1 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 57 |
3 files changed, 60 insertions, 1 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 188e459aa923..a52f0dabe8d4 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -406,7 +406,7 @@ static int safexcel_hw_init(struct safexcel_crypto_priv *priv) val |= EIP197_PROTOCOL_ENCRYPT_ONLY | EIP197_PROTOCOL_HASH_ONLY; val |= EIP197_PROTOCOL_ENCRYPT_HASH | EIP197_PROTOCOL_HASH_DECRYPT; val |= EIP197_ALG_AES_ECB | EIP197_ALG_AES_CBC; - val |= EIP197_ALG_MD5; + val |= EIP197_ALG_MD5 | EIP197_ALG_HMAC_MD5; val |= EIP197_ALG_SHA1 | EIP197_ALG_HMAC_SHA1; val |= EIP197_ALG_SHA2 | EIP197_ALG_HMAC_SHA2; writel(val, EIP197_PE(priv) + EIP197_PE_EIP96_FUNCTION_EN(pe)); @@ -848,6 +848,7 @@ static struct safexcel_alg_template *safexcel_algs[] = { &safexcel_alg_sha256, &safexcel_alg_sha384, &safexcel_alg_sha512, + &safexcel_alg_hmac_md5, &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 fcd26ae70166..19610b03bceb 100644 --- a/drivers/crypto/inside-secure/safexcel.h +++ b/drivers/crypto/inside-secure/safexcel.h @@ -698,6 +698,7 @@ extern struct safexcel_alg_template safexcel_alg_sha224; extern struct safexcel_alg_template safexcel_alg_sha256; extern struct safexcel_alg_template safexcel_alg_sha384; extern struct safexcel_alg_template safexcel_alg_sha512; +extern struct safexcel_alg_template safexcel_alg_hmac_md5; 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; diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index 4fec8fe07044..46aac55c0b31 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -1619,3 +1619,60 @@ struct safexcel_alg_template safexcel_alg_md5 = { }, }, }; + +static int safexcel_hmac_md5_init(struct ahash_request *areq) +{ + struct safexcel_ahash_req *req = ahash_request_ctx(areq); + + safexcel_md5_init(areq); + req->digest = CONTEXT_CONTROL_DIGEST_HMAC; + return 0; +} + +static int safexcel_hmac_md5_setkey(struct crypto_ahash *tfm, const u8 *key, + unsigned int keylen) +{ + return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-md5", + MD5_DIGEST_SIZE); +} + +static int safexcel_hmac_md5_digest(struct ahash_request *areq) +{ + int ret = safexcel_hmac_md5_init(areq); + + if (ret) + return ret; + + return safexcel_ahash_finup(areq); +} + +struct safexcel_alg_template safexcel_alg_hmac_md5 = { + .type = SAFEXCEL_ALG_TYPE_AHASH, + .engines = EIP97IES | EIP197B | EIP197D, + .alg.ahash = { + .init = safexcel_hmac_md5_init, + .update = safexcel_ahash_update, + .final = safexcel_ahash_final, + .finup = safexcel_ahash_finup, + .digest = safexcel_hmac_md5_digest, + .setkey = safexcel_hmac_md5_setkey, + .export = safexcel_ahash_export, + .import = safexcel_ahash_import, + .halg = { + .digestsize = MD5_DIGEST_SIZE, + .statesize = sizeof(struct safexcel_ahash_export_state), + .base = { + .cra_name = "hmac(md5)", + .cra_driver_name = "safexcel-hmac-md5", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = MD5_HMAC_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, + }, + }, + }, +}; |