crypto: add CMAC support to CryptoAPI

Patch adds support for NIST recommended block cipher mode CMAC to CryptoAPI.

This work is based on Tom St Denis' earlier patch,
 http://marc.info/?l=linux-crypto-vger&m=135877306305466&w=2

Cc: Tom St Denis <tstdenis@elliptictech.com>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 125 insertions, 0 deletions

diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 92db37d..d503660 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -1639,6 +1639,131 @@ static struct hash_testvec hmac_sha256_tv_template[] = {
 	},
 };
 
+#define CMAC_AES_TEST_VECTORS 6
+
+static struct hash_testvec aes_cmac128_tv_template[] = {
+	{ /* From NIST Special Publication 800-38B, AES-128 */
+		.key		= "\x2b\x7e\x15\x16\x28\xae\xd2\xa6"
+				  "\xab\xf7\x15\x88\x09\xcf\x4f\x3c",
+		.plaintext	= zeroed_string,
+		.digest		= "\xbb\x1d\x69\x29\xe9\x59\x37\x28"
+				  "\x7f\xa3\x7d\x12\x9b\x75\x67\x46",
+		.psize		= 0,
+		.ksize		= 16,
+	}, {
+		.key		= "\x2b\x7e\x15\x16\x28\xae\xd2\xa6"
+				  "\xab\xf7\x15\x88\x09\xcf\x4f\x3c",
+		.plaintext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96"
+				  "\xe9\x3d\x7e\x11\x73\x93\x17\x2a",
+		.digest		= "\x07\x0a\x16\xb4\x6b\x4d\x41\x44"
+				  "\xf7\x9b\xdd\x9d\xd0\x4a\x28\x7c",
+		.psize		= 16,
+		.ksize		= 16,
+	}, {
+		.key		= "\x2b\x7e\x15\x16\x28\xae\xd2\xa6"
+				  "\xab\xf7\x15\x88\x09\xcf\x4f\x3c",
+		.plaintext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96"
+				  "\xe9\x3d\x7e\x11\x73\x93\x17\x2a"
+				  "\xae\x2d\x8a\x57\x1e\x03\xac\x9c"
+				  "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51"
+				  "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11",
+		.digest		= "\xdf\xa6\x67\x47\xde\x9a\xe6\x30"
+				  "\x30\xca\x32\x61\x14\x97\xc8\x27",
+		.psize		= 40,
+		.ksize		= 16,
+	}, {
+		.key		= "\x2b\x7e\x15\x16\x28\xae\xd2\xa6"
+				  "\xab\xf7\x15\x88\x09\xcf\x4f\x3c",
+		.plaintext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96"
+				  "\xe9\x3d\x7e\x11\x73\x93\x17\x2a"
+				  "\xae\x2d\x8a\x57\x1e\x03\xac\x9c"
+				  "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51"
+				  "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11"
+				  "\xe5\xfb\xc1\x19\x1a\x0a\x52\xef"
+				  "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17"
+				  "\xad\x2b\x41\x7b\xe6\x6c\x37\x10",
+		.digest		= "\x51\xf0\xbe\xbf\x7e\x3b\x9d\x92"
+				  "\xfc\x49\x74\x17\x79\x36\x3c\xfe",
+		.psize		= 64,
+		.ksize		= 16,
+	}, { /* From NIST Special Publication 800-38B, AES-256 */
+		.key		= "\x60\x3d\xeb\x10\x15\xca\x71\xbe"
+				  "\x2b\x73\xae\xf0\x85\x7d\x77\x81"
+				  "\x1f\x35\x2c\x07\x3b\x61\x08\xd7"
+				  "\x2d\x98\x10\xa3\x09\x14\xdf\xf4",
+		.plaintext	= zeroed_string,
+		.digest		= "\x02\x89\x62\xf6\x1b\x7b\xf8\x9e"
+				  "\xfc\x6b\x55\x1f\x46\x67\xd9\x83",
+		.psize		= 0,
+		.ksize		= 32,
+	}, {
+		.key		= "\x60\x3d\xeb\x10\x15\xca\x71\xbe"
+				  "\x2b\x73\xae\xf0\x85\x7d\x77\x81"
+				  "\x1f\x35\x2c\x07\x3b\x61\x08\xd7"
+				  "\x2d\x98\x10\xa3\x09\x14\xdf\xf4",
+		.plaintext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96"
+				  "\xe9\x3d\x7e\x11\x73\x93\x17\x2a"
+				  "\xae\x2d\x8a\x57\x1e\x03\xac\x9c"
+				  "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51"
+				  "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11"
+				  "\xe5\xfb\xc1\x19\x1a\x0a\x52\xef"
+				  "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17"
+				  "\xad\x2b\x41\x7b\xe6\x6c\x37\x10",
+		.digest		= "\xe1\x99\x21\x90\x54\x9f\x6e\xd5"
+				  "\x69\x6a\x2c\x05\x6c\x31\x54\x10",
+		.psize		= 64,
+		.ksize		= 32,
+	}
+};
+
+#define CMAC_DES3_EDE_TEST_VECTORS 4
+
+static struct hash_testvec des3_ede_cmac64_tv_template[] = {
+/*
+ * From NIST Special Publication 800-38B, Three Key TDEA
+ * Corrected test vectors from:
+ *  http://csrc.nist.gov/publications/nistpubs/800-38B/Updated_CMAC_Examples.pdf
+ */
+	{
+		.key		= "\x8a\xa8\x3b\xf8\xcb\xda\x10\x62"
+				  "\x0b\xc1\xbf\x19\xfb\xb6\xcd\x58"
+				  "\xbc\x31\x3d\x4a\x37\x1c\xa8\xb5",
+		.plaintext	= zeroed_string,
+		.digest		= "\xb7\xa6\x88\xe1\x22\xff\xaf\x95",
+		.psize		= 0,
+		.ksize		= 24,
+	}, {
+		.key		= "\x8a\xa8\x3b\xf8\xcb\xda\x10\x62"
+				  "\x0b\xc1\xbf\x19\xfb\xb6\xcd\x58"
+				  "\xbc\x31\x3d\x4a\x37\x1c\xa8\xb5",
+		.plaintext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96",
+		.digest		= "\x8e\x8f\x29\x31\x36\x28\x37\x97",
+		.psize		= 8,
+		.ksize		= 24,
+	}, {
+		.key		= "\x8a\xa8\x3b\xf8\xcb\xda\x10\x62"
+				  "\x0b\xc1\xbf\x19\xfb\xb6\xcd\x58"
+				  "\xbc\x31\x3d\x4a\x37\x1c\xa8\xb5",
+		.plaintext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96"
+				  "\xe9\x3d\x7e\x11\x73\x93\x17\x2a"
+				  "\xae\x2d\x8a\x57",
+		.digest		= "\x74\x3d\xdb\xe0\xce\x2d\xc2\xed",
+		.psize		= 20,
+		.ksize		= 24,
+	}, {
+		.key		= "\x8a\xa8\x3b\xf8\xcb\xda\x10\x62"
+				  "\x0b\xc1\xbf\x19\xfb\xb6\xcd\x58"
+				  "\xbc\x31\x3d\x4a\x37\x1c\xa8\xb5",
+		.plaintext	= "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96"
+				  "\xe9\x3d\x7e\x11\x73\x93\x17\x2a"
+				  "\xae\x2d\x8a\x57\x1e\x03\xac\x9c"
+				  "\x9e\xb7\x6f\xac\x45\xaf\x8e\x51",
+		.digest		= "\x33\xe6\xb1\x09\x24\x00\xea\xe5",
+		.psize		= 32,
+		.ksize		= 24,
+	}
+};
+
 #define XCBC_AES_TEST_VECTORS 6
 
 static struct hash_testvec aes_xcbc128_tv_template[] = {