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authorGilad Ben-Yossef <gilad@benyossef.com>2018-11-13 09:40:35 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2018-12-07 14:14:59 +0800
commit1c876a90e25398a7396ff4de9074ab530e7892b4 (patch)
treef7b81f71a5be51bbb4a1d240724a020bf37196fd /drivers/crypto/ccree/cc_hash.c
parent946dca8fe456564373e0ff1f40c232b534e2aaef (diff)
crypto: ccree - add support for CryptoCell 703
Add support for Arm TrustZone CryptoCell 703. The 703 is a variant of the CryptoCell 713 that supports only algorithms certified by the Chinesse Office of the State Commercial Cryptography Administration (OSCCA). Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccree/cc_hash.c')
-rw-r--r--drivers/crypto/ccree/cc_hash.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c
index c80c9ae555d0..2c4ddc8fb76b 100644
--- a/drivers/crypto/ccree/cc_hash.c
+++ b/drivers/crypto/ccree/cc_hash.c
@@ -1539,6 +1539,7 @@ struct cc_hash_template {
int inter_digestsize;
struct cc_drvdata *drvdata;
u32 min_hw_rev;
+ enum cc_std_body std_body;
};
#define CC_STATE_SIZE(_x) \
@@ -1573,6 +1574,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_HASH_HW_SHA1,
.inter_digestsize = SHA1_DIGEST_SIZE,
.min_hw_rev = CC_HW_REV_630,
+ .std_body = CC_STD_NIST,
},
{
.name = "sha256",
@@ -1599,6 +1601,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_HASH_HW_SHA256,
.inter_digestsize = SHA256_DIGEST_SIZE,
.min_hw_rev = CC_HW_REV_630,
+ .std_body = CC_STD_NIST,
},
{
.name = "sha224",
@@ -1625,6 +1628,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_HASH_HW_SHA256,
.inter_digestsize = SHA256_DIGEST_SIZE,
.min_hw_rev = CC_HW_REV_630,
+ .std_body = CC_STD_NIST,
},
{
.name = "sha384",
@@ -1651,6 +1655,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_HASH_HW_SHA512,
.inter_digestsize = SHA512_DIGEST_SIZE,
.min_hw_rev = CC_HW_REV_712,
+ .std_body = CC_STD_NIST,
},
{
.name = "sha512",
@@ -1677,6 +1682,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_HASH_HW_SHA512,
.inter_digestsize = SHA512_DIGEST_SIZE,
.min_hw_rev = CC_HW_REV_712,
+ .std_body = CC_STD_NIST,
},
{
.name = "md5",
@@ -1703,6 +1709,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_HASH_HW_MD5,
.inter_digestsize = MD5_DIGEST_SIZE,
.min_hw_rev = CC_HW_REV_630,
+ .std_body = CC_STD_NIST,
},
{
.name = "sm3",
@@ -1727,6 +1734,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_HASH_HW_SM3,
.inter_digestsize = SM3_DIGEST_SIZE,
.min_hw_rev = CC_HW_REV_713,
+ .std_body = CC_STD_OSCCA,
},
{
.mac_name = "xcbc(aes)",
@@ -1751,6 +1759,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_CIPHER_XCBC_MAC,
.inter_digestsize = AES_BLOCK_SIZE,
.min_hw_rev = CC_HW_REV_630,
+ .std_body = CC_STD_NIST,
},
{
.mac_name = "cmac(aes)",
@@ -1775,6 +1784,7 @@ static struct cc_hash_template driver_hash[] = {
.hw_mode = DRV_CIPHER_CMAC,
.inter_digestsize = AES_BLOCK_SIZE,
.min_hw_rev = CC_HW_REV_630,
+ .std_body = CC_STD_NIST,
},
};
@@ -2001,9 +2011,11 @@ int cc_hash_alloc(struct cc_drvdata *drvdata)
struct cc_hash_alg *t_alg;
int hw_mode = driver_hash[alg].hw_mode;
- /* We either support both HASH and MAC or none */
- if (driver_hash[alg].min_hw_rev > drvdata->hw_rev)
+ /* Check that the HW revision and variants are suitable */
+ if ((driver_hash[alg].min_hw_rev > drvdata->hw_rev) ||
+ !(drvdata->std_bodies & driver_hash[alg].std_body))
continue;
+
if (driver_hash[alg].is_mac) {
/* register hmac version */
t_alg = cc_alloc_hash_alg(&driver_hash[alg], dev, true);