diff options
author | Antoine Tenart <antoine.tenart@bootlin.com> | 2018-05-29 14:13:47 +0200 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-06-22 23:03:03 +0800 |
commit | 0de54fb100e9b8adc9df2d896b911dda2dee0a49 (patch) | |
tree | ea1f27cbb862e3f56e80d33bb2fc0403b6fcb6b9 /drivers/crypto | |
parent | b460edb6230ac2877b0d176b9122736fed6f3c6e (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')
-rw-r--r-- | drivers/crypto/inside-secure/safexcel.c | 1 | ||||
-rw-r--r-- | drivers/crypto/inside-secure/safexcel.h | 3 | ||||
-rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 60 |
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, + }, + }, + }, +}; |