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 <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
vieko · Dec 7, 2018 · 1c876a9 · 1c876a9
1 parent 946dca8
commit 1c876a9
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Showing 6 changed files with 90 additions and 9 deletions.
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
@@ -767,7 +767,7 @@ config CRYPTO_DEV_CCREE
 	help
 	  Say 'Y' to enable a driver for the REE interface of the Arm
 	  TrustZone CryptoCell family of processors. Currently the
-	  CryptoCell 713, 712, 710 and 630 are supported.
+	  CryptoCell 713, 703, 712, 710 and 630 are supported.
 	  Choose this if you wish to use hardware acceleration of
 	  cryptographic operations on the system REE.
 	  If unsure say Y.

diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c
@@ -2367,6 +2367,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_SHA1,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "authenc(hmac(sha1),cbc(des3_ede))",
@@ -2386,6 +2387,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_DES,
 		.auth_mode = DRV_HASH_SHA1,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "authenc(hmac(sha256),cbc(aes))",
@@ -2405,6 +2407,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_SHA256,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "authenc(hmac(sha256),cbc(des3_ede))",
@@ -2424,6 +2427,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_DES,
 		.auth_mode = DRV_HASH_SHA256,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "authenc(xcbc(aes),cbc(aes))",
@@ -2443,6 +2447,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_XCBC_MAC,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
@@ -2462,6 +2467,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_SHA1,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
@@ -2481,6 +2487,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_SHA256,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "authenc(xcbc(aes),rfc3686(ctr(aes)))",
@@ -2500,6 +2507,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_XCBC_MAC,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "ccm(aes)",
@@ -2519,6 +2527,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_NULL,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "rfc4309(ccm(aes))",
@@ -2538,6 +2547,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_NULL,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "gcm(aes)",
@@ -2557,6 +2567,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_NULL,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "rfc4106(gcm(aes))",
@@ -2576,6 +2587,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_NULL,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 	{
 		.name = "rfc4543(gcm(aes))",
@@ -2595,6 +2607,7 @@ static struct cc_alg_template aead_algs[] = {
 		.flow_mode = S_DIN_to_AES,
 		.auth_mode = DRV_HASH_NULL,
 		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
 	},
 };
 
@@ -2679,7 +2692,8 @@ int cc_aead_alloc(struct cc_drvdata *drvdata)
 
 	/* Linux crypto */
 	for (alg = 0; alg < ARRAY_SIZE(aead_algs); alg++) {
-		if (aead_algs[alg].min_hw_rev > drvdata->hw_rev)
+		if ((aead_algs[alg].min_hw_rev > drvdata->hw_rev) ||
+		    !(drvdata->std_bodies & aead_algs[alg].std_body))
 			continue;
 
 		t_alg = cc_create_aead_alg(&aead_algs[alg], dev);