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Commit 0de54fb1 authored by Antoine Tenart's avatar Antoine Tenart Committed by Herbert Xu
Browse files

crypto: inside-secure - hmac(sha512) support 



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

Signed-off-by: default avatarAntoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b460edb6

drivers/crypto/inside-secure/safexcel.c

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

drivers/crypto/inside-secure/safexcel.h

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

drivers/crypto/inside-secure/safexcel_hash.c

+58 −2
Original line number Diff line number Diff line
@@ -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,

			},

		},

	},

};