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authorAntoine Tenart <antoine.tenart@bootlin.com>2018-05-29 14:13:51 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2018-06-22 23:03:05 +0800
commit1f5d5d981879466c4af8be5415fb8be6eb451470 (patch)
tree6fab5fa3a3c74ee41e900895812bffa65a33229f /drivers/crypto
parent9e46eafdf82a67dd069eef27c48898b79379c9f2 (diff)
downloadlinux-1f5d5d981879466c4af8be5415fb8be6eb451470.tar.bz2
crypto: inside-secure - hmac(sha384) support
This patch adds the hmac(sha384) 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>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/inside-secure/safexcel.c1
-rw-r--r--drivers/crypto/inside-secure/safexcel.h1
-rw-r--r--drivers/crypto/inside-secure/safexcel_hash.c56
3 files changed, 58 insertions, 0 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index b02451e0bbb6..5ef8ba7ae29c 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -795,6 +795,7 @@ static struct safexcel_alg_template *safexcel_algs[] = {
&safexcel_alg_hmac_sha1,
&safexcel_alg_hmac_sha224,
&safexcel_alg_hmac_sha256,
+ &safexcel_alg_hmac_sha384,
&safexcel_alg_hmac_sha512,
&safexcel_alg_authenc_hmac_sha1_cbc_aes,
&safexcel_alg_authenc_hmac_sha224_cbc_aes,
diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h
index 57abf75e8b66..e002f963ff5a 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -677,6 +677,7 @@ 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_sha384;
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;
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 585667a1c259..188ba0734337 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -1488,3 +1488,59 @@ struct safexcel_alg_template safexcel_alg_hmac_sha512 = {
},
},
};
+
+static int safexcel_hmac_sha384_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ return safexcel_hmac_alg_setkey(tfm, key, keylen, "safexcel-sha384",
+ SHA512_DIGEST_SIZE);
+}
+
+static int safexcel_hmac_sha384_init(struct ahash_request *areq)
+{
+ struct safexcel_ahash_req *req = ahash_request_ctx(areq);
+
+ safexcel_sha384_init(areq);
+ req->digest = CONTEXT_CONTROL_DIGEST_HMAC;
+ return 0;
+}
+
+static int safexcel_hmac_sha384_digest(struct ahash_request *areq)
+{
+ int ret = safexcel_hmac_sha384_init(areq);
+
+ if (ret)
+ return ret;
+
+ return safexcel_ahash_finup(areq);
+}
+
+struct safexcel_alg_template safexcel_alg_hmac_sha384 = {
+ .type = SAFEXCEL_ALG_TYPE_AHASH,
+ .alg.ahash = {
+ .init = safexcel_hmac_sha384_init,
+ .update = safexcel_ahash_update,
+ .final = safexcel_ahash_final,
+ .finup = safexcel_ahash_finup,
+ .digest = safexcel_hmac_sha384_digest,
+ .setkey = safexcel_hmac_sha384_setkey,
+ .export = safexcel_ahash_export,
+ .import = safexcel_ahash_import,
+ .halg = {
+ .digestsize = SHA384_DIGEST_SIZE,
+ .statesize = sizeof(struct safexcel_ahash_export_state),
+ .base = {
+ .cra_name = "hmac(sha384)",
+ .cra_driver_name = "safexcel-hmac-sha384",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SHA384_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,
+ },
+ },
+ },
+};