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Message-Id: <1498115276-1601-3-git-send-email-gilad@benyossef.com>
Date: Thu, 22 Jun 2017 10:07:48 +0300
From: Gilad Ben-Yossef <gilad@...yossef.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org
Cc: Ofir Drang <ofir.drang@....com>
Subject: [PATCH 2/7] staging: ccree: register setkey for none hash macs
Fix a bug where the transformation init code did
not register a setkey method for none hash based MACs.
Fixes commit 50cfbbb7e627 ("staging: ccree: add ahash support").
Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>
---
drivers/staging/ccree/ssi_hash.c | 83 ++++++++++++++++++++--------------------
1 file changed, 42 insertions(+), 41 deletions(-)
diff --git a/drivers/staging/ccree/ssi_hash.c b/drivers/staging/ccree/ssi_hash.c
index c39e3be..f52e1af 100644
--- a/drivers/staging/ccree/ssi_hash.c
+++ b/drivers/staging/ccree/ssi_hash.c
@@ -1874,8 +1874,8 @@ static int ssi_ahash_setkey(struct crypto_ahash *ahash,
struct ssi_hash_template {
char name[CRYPTO_MAX_ALG_NAME];
char driver_name[CRYPTO_MAX_ALG_NAME];
- char hmac_name[CRYPTO_MAX_ALG_NAME];
- char hmac_driver_name[CRYPTO_MAX_ALG_NAME];
+ char mac_name[CRYPTO_MAX_ALG_NAME];
+ char mac_driver_name[CRYPTO_MAX_ALG_NAME];
unsigned int blocksize;
bool synchronize;
struct ahash_alg template_ahash;
@@ -1894,8 +1894,8 @@ static struct ssi_hash_template driver_hash[] = {
{
.name = "sha1",
.driver_name = "sha1-dx",
- .hmac_name = "hmac(sha1)",
- .hmac_driver_name = "hmac-sha1-dx",
+ .mac_name = "hmac(sha1)",
+ .mac_driver_name = "hmac-sha1-dx",
.blocksize = SHA1_BLOCK_SIZE,
.synchronize = false,
.template_ahash = {
@@ -1919,8 +1919,8 @@ static struct ssi_hash_template driver_hash[] = {
{
.name = "sha256",
.driver_name = "sha256-dx",
- .hmac_name = "hmac(sha256)",
- .hmac_driver_name = "hmac-sha256-dx",
+ .mac_name = "hmac(sha256)",
+ .mac_driver_name = "hmac-sha256-dx",
.blocksize = SHA256_BLOCK_SIZE,
.template_ahash = {
.init = ssi_ahash_init,
@@ -1943,8 +1943,8 @@ static struct ssi_hash_template driver_hash[] = {
{
.name = "sha224",
.driver_name = "sha224-dx",
- .hmac_name = "hmac(sha224)",
- .hmac_driver_name = "hmac-sha224-dx",
+ .mac_name = "hmac(sha224)",
+ .mac_driver_name = "hmac-sha224-dx",
.blocksize = SHA224_BLOCK_SIZE,
.template_ahash = {
.init = ssi_ahash_init,
@@ -1968,8 +1968,8 @@ static struct ssi_hash_template driver_hash[] = {
{
.name = "sha384",
.driver_name = "sha384-dx",
- .hmac_name = "hmac(sha384)",
- .hmac_driver_name = "hmac-sha384-dx",
+ .mac_name = "hmac(sha384)",
+ .mac_driver_name = "hmac-sha384-dx",
.blocksize = SHA384_BLOCK_SIZE,
.template_ahash = {
.init = ssi_ahash_init,
@@ -1992,8 +1992,8 @@ static struct ssi_hash_template driver_hash[] = {
{
.name = "sha512",
.driver_name = "sha512-dx",
- .hmac_name = "hmac(sha512)",
- .hmac_driver_name = "hmac-sha512-dx",
+ .mac_name = "hmac(sha512)",
+ .mac_driver_name = "hmac-sha512-dx",
.blocksize = SHA512_BLOCK_SIZE,
.template_ahash = {
.init = ssi_ahash_init,
@@ -2017,8 +2017,8 @@ static struct ssi_hash_template driver_hash[] = {
{
.name = "md5",
.driver_name = "md5-dx",
- .hmac_name = "hmac(md5)",
- .hmac_driver_name = "hmac-md5-dx",
+ .mac_name = "hmac(md5)",
+ .mac_driver_name = "hmac-md5-dx",
.blocksize = MD5_HMAC_BLOCK_SIZE,
.template_ahash = {
.init = ssi_ahash_init,
@@ -2039,8 +2039,8 @@ static struct ssi_hash_template driver_hash[] = {
.inter_digestsize = MD5_DIGEST_SIZE,
},
{
- .name = "xcbc(aes)",
- .driver_name = "xcbc-aes-dx",
+ .mac_name = "xcbc(aes)",
+ .mac_driver_name = "xcbc-aes-dx",
.blocksize = AES_BLOCK_SIZE,
.template_ahash = {
.init = ssi_ahash_init,
@@ -2062,8 +2062,8 @@ static struct ssi_hash_template driver_hash[] = {
},
#if SSI_CC_HAS_CMAC
{
- .name = "cmac(aes)",
- .driver_name = "cmac-aes-dx",
+ .mac_name = "cmac(aes)",
+ .mac_driver_name = "cmac-aes-dx",
.blocksize = AES_BLOCK_SIZE,
.template_ahash = {
.init = ssi_ahash_init,
@@ -2106,9 +2106,9 @@ ssi_hash_create_alg(struct ssi_hash_template *template, bool keyed)
if (keyed) {
snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s",
- template->hmac_name);
+ template->mac_name);
snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s",
- template->hmac_driver_name);
+ template->mac_driver_name);
} else {
halg->setkey = NULL;
snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s",
@@ -2297,32 +2297,33 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata)
/* ahash registration */
for (alg = 0; alg < ARRAY_SIZE(driver_hash); alg++) {
struct ssi_hash_alg *t_alg;
+ int hw_mode = driver_hash[alg].hw_mode;
/* register hmac version */
+ t_alg = ssi_hash_create_alg(&driver_hash[alg], true);
+ if (IS_ERR(t_alg)) {
+ rc = PTR_ERR(t_alg);
+ SSI_LOG_ERR("%s alg allocation failed\n",
+ driver_hash[alg].driver_name);
+ goto fail;
+ }
+ t_alg->drvdata = drvdata;
- if ((((struct ssi_hash_template *)&driver_hash[alg])->hw_mode != DRV_CIPHER_XCBC_MAC) &&
- (((struct ssi_hash_template *)&driver_hash[alg])->hw_mode != DRV_CIPHER_CMAC)) {
- t_alg = ssi_hash_create_alg(&driver_hash[alg], true);
- if (IS_ERR(t_alg)) {
- rc = PTR_ERR(t_alg);
- SSI_LOG_ERR("%s alg allocation failed\n",
- driver_hash[alg].driver_name);
- goto fail;
- }
- t_alg->drvdata = drvdata;
-
- rc = crypto_register_ahash(&t_alg->ahash_alg);
- if (unlikely(rc)) {
- SSI_LOG_ERR("%s alg registration failed\n",
- driver_hash[alg].driver_name);
- kfree(t_alg);
- goto fail;
- } else {
- list_add_tail(&t_alg->entry,
- &hash_handle->hash_list);
- }
+ rc = crypto_register_ahash(&t_alg->ahash_alg);
+ if (unlikely(rc)) {
+ SSI_LOG_ERR("%s alg registration failed\n",
+ driver_hash[alg].driver_name);
+ kfree(t_alg);
+ goto fail;
+ } else {
+ list_add_tail(&t_alg->entry,
+ &hash_handle->hash_list);
}
+ if ((hw_mode == DRV_CIPHER_XCBC_MAC) ||
+ (hw_mode == DRV_CIPHER_CMAC))
+ continue;
+
/* register hash version */
t_alg = ssi_hash_create_alg(&driver_hash[alg], false);
if (IS_ERR(t_alg)) {
--
2.1.4
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