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Commit b471e4b9 authored by Ofer Heifetz's avatar Ofer Heifetz Committed by Herbert Xu
Browse files

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: default avatarOfer Heifetz <oferh@marvell.com>
Signed-off-by: default avatarAntoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 293f89cf

drivers/crypto/inside-secure/safexcel.c

+2 −1
Original line number Diff line number Diff line
@@ -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,

drivers/crypto/inside-secure/safexcel.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

drivers/crypto/inside-secure/safexcel_hash.c

+57 −0
Original line number Diff line number Diff line
@@ -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,

			},

		},

	},

};