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authorAntoine Tenart <antoine.tenart@bootlin.com>2018-05-29 14:13:47 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2018-06-22 23:03:03 +0800
commit0de54fb100e9b8adc9df2d896b911dda2dee0a49 (patch)
treeea1f27cbb862e3f56e80d33bb2fc0403b6fcb6b9 /drivers/crypto/inside-secure
parentb460edb6230ac2877b0d176b9122736fed6f3c6e (diff)
crypto: inside-secure - hmac(sha512) support
This patch adds the hmac(sha512) 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/inside-secure')
-rw-r--r--drivers/crypto/inside-secure/safexcel.c1
-rw-r--r--drivers/crypto/inside-secure/safexcel.h3
-rw-r--r--drivers/crypto/inside-secure/safexcel_hash.c60
3 files changed, 61 insertions, 3 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 126def0b4450..b3c5f3c8e208 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -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,
diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h
index 0438e058844c..5885844a9994 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -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;
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 5d8e15e70cff..0c452a4bc6dd 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -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,
+ },
+ },
+ },
+};