diff options
| author | Antoine Tenart <antoine.tenart@bootlin.com> | 2018-05-29 14:13:52 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-06-22 17:03:06 +0200 |
| commit | ea23cb533ce419204af129380cfe1d287481aa14 (patch) | |
| tree | 2a65539453517864d7a6e729e67a664e62992769 /drivers/crypto/inside-secure | |
| parent | crypto: inside-secure - hmac(sha384) support (diff) | |
| download | linux-ea23cb533ce419204af129380cfe1d287481aa14.tar.xz linux-ea23cb533ce419204af129380cfe1d287481aa14.zip | |
crypto: inside-secure - authenc(hmac(sha384), cbc(aes)) support
This patch adds the authenc(hmac(sha384),cbc(aes)) 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.c | 1 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.h | 1 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_cipher.c | 39 |
3 files changed, 41 insertions, 0 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 5ef8ba7ae29c..c39d2d7c9917 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -800,6 +800,7 @@ static struct safexcel_alg_template *safexcel_algs[] = { &safexcel_alg_authenc_hmac_sha1_cbc_aes, &safexcel_alg_authenc_hmac_sha224_cbc_aes, &safexcel_alg_authenc_hmac_sha256_cbc_aes, + &safexcel_alg_authenc_hmac_sha384_cbc_aes, &safexcel_alg_authenc_hmac_sha512_cbc_aes, }; diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h index e002f963ff5a..5d6b3b705d0c 100644 --- a/drivers/crypto/inside-secure/safexcel.h +++ b/drivers/crypto/inside-secure/safexcel.h @@ -682,6 +682,7 @@ 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; +extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes; extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_aes; #endif diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c index 560c1e54ce9d..ca4bc2d28d2a 100644 --- a/drivers/crypto/inside-secure/safexcel_cipher.c +++ b/drivers/crypto/inside-secure/safexcel_cipher.c @@ -200,6 +200,11 @@ static int safexcel_aead_aes_setkey(struct crypto_aead *ctfm, const u8 *key, keys.authkeylen, &istate, &ostate)) goto badkey; break; + case CONTEXT_CONTROL_CRYPTO_ALG_SHA384: + if (safexcel_hmac_setkey("safexcel-sha384", keys.authkey, + keys.authkeylen, &istate, &ostate)) + goto badkey; + break; case CONTEXT_CONTROL_CRYPTO_ALG_SHA512: if (safexcel_hmac_setkey("safexcel-sha512", keys.authkey, keys.authkeylen, &istate, &ostate)) @@ -1058,3 +1063,37 @@ struct safexcel_alg_template safexcel_alg_authenc_hmac_sha512_cbc_aes = { }, }, }; + +static int safexcel_aead_sha384_cra_init(struct crypto_tfm *tfm) +{ + struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm); + + safexcel_aead_cra_init(tfm); + ctx->alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA384; + ctx->state_sz = SHA512_DIGEST_SIZE; + return 0; +} + +struct safexcel_alg_template safexcel_alg_authenc_hmac_sha384_cbc_aes = { + .type = SAFEXCEL_ALG_TYPE_AEAD, + .alg.aead = { + .setkey = safexcel_aead_aes_setkey, + .encrypt = safexcel_aead_encrypt, + .decrypt = safexcel_aead_decrypt, + .ivsize = AES_BLOCK_SIZE, + .maxauthsize = SHA384_DIGEST_SIZE, + .base = { + .cra_name = "authenc(hmac(sha384),cbc(aes))", + .cra_driver_name = "safexcel-authenc-hmac-sha384-cbc-aes", + .cra_priority = 300, + .cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC | + CRYPTO_ALG_KERN_DRIVER_ONLY, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct safexcel_cipher_ctx), + .cra_alignmask = 0, + .cra_init = safexcel_aead_sha384_cra_init, + .cra_exit = safexcel_aead_cra_exit, + .cra_module = THIS_MODULE, + }, + }, +}; |