This patch adds the authenc(hmac(sha384),cbc(aes)) algorithm support to the Inside Secure SafeXcel driver. Signed-off-by: Antoine Tenart <antoine.tenart@xxxxxxxxxxx> --- drivers/crypto/inside-secure/safexcel.c | 1 + drivers/crypto/inside-secure/safexcel.h | 1 + .../crypto/inside-secure/safexcel_cipher.c | 39 +++++++++++++++++++ 3 files changed, 41 insertions(+) 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, + }, + }, +}; -- 2.17.0