* fips/cmac/fips_cmac_selftest.c: Because the examples in SP_800-38B
authorRichard Levitte <levitte@openssl.org>
Fri, 25 Mar 2011 09:24:02 +0000 (09:24 +0000)
committerRichard Levitte <levitte@openssl.org>
Fri, 25 Mar 2011 09:24:02 +0000 (09:24 +0000)
  aren't trustworthy (see examples 13 and 14, they have the same mac,
  as do examples 17 and 18), use examples from official test vectors
  instead.

fips/cmac/fips_cmac_selftest.c

index 834efab..c843526 100644 (file)
@@ -64,56 +64,46 @@ typedef struct {
 
 /* from http://csrc.nist.gov/publications/nistpubs/800-38B/SP_800-38B.pdf */
 static const CMAC_KAT vector[] = {
-    {  EVP_aes_128_cbc,        /* Example 3: Mlen = 320 */
-       { 0x2b,0x7e,0x15,0x16,0x28,0xae,0xd2,0xa6,
-         0xab,0xf7,0x15,0x88,0x09,0xcf,0x4f,0x3c }, 128,
-       { 0x6b,0xc1,0xbe,0xe2, 0x2e,0x40,0x9f,0x96,
-         0xe9,0x3d,0x7e,0x11, 0x73,0x93,0x17,0x2a,
-         0xae,0x2d,0x8a,0x57, 0x1e,0x03,0xac,0x9c,
-         0x9e,0xb7,0x6f,0xac, 0x45,0xaf,0x8e,0x51,
-         0x30,0xc8,0x1c,0x46, 0xa3,0x5c,0xe4,0x11 }, 320,
-       { 0xdf,0xa6,0x67,0x47, 0xde,0x9a,0xe6,0x30,
-         0x30,0xca,0x32,0x61, 0x14,0x97,0xc8,0x27 }, 128
+    {  EVP_aes_128_cbc,        /* Count = 32 from CMACGenAES128.txt */
+       { 0x77,0xa7,0x7f,0xaf, 0x29,0x0c,0x1f,0xa3,
+         0x0c,0x68,0x3d,0xf1, 0x6b,0xa7,0xa7,0x7b, }, 128,
+       { 0x02,0x06,0x83,0xe1, 0xf0,0x39,0x2f,0x4c,
+         0xac,0x54,0x31,0x8b, 0x60,0x29,0x25,0x9e,
+         0x9c,0x55,0x3d,0xbc, 0x4b,0x6a,0xd9,0x98,
+         0xe6,0x4d,0x58,0xe4, 0xe7,0xdc,0x2e,0x13, }, 256,
+       { 0xfb,0xfe,0xa4,0x1b, }, 32
     },
-    {  EVP_aes_192_cbc,        /* Example 5: Mlen = 0 */
-       { 0x8e,0x73,0xb0,0xf7, 0xda,0x0e,0x64,0x52,
-         0xc8,0x10,0xf3,0x2b, 0x80,0x90,0x79,0xe5,
-         0x62,0xf8,0xea,0xd2, 0x52,0x2c,0x6b,0x7b, }, 192,
+    {  EVP_aes_192_cbc,        /* Count = 23 from CMACGenAES192.txt */
+       { 0x7b,0x32,0x39,0x13, 0x69,0xaa,0x4c,0xa9,
+         0x75,0x58,0x09,0x5b, 0xe3,0xc3,0xec,0x86,
+         0x2b,0xd0,0x57,0xce, 0xf1,0xe3,0x2d,0x62, }, 192,
        { 0x0 }, 0,
-       { 0xd1,0x7d,0xdf,0x46, 0xad,0xaa,0xcd,0xe5,
-         0x31,0xca,0xc4,0x83, 0xde,0x7a,0x93,0x67, }, 128
+       { 0xe4,0xd9,0x34,0x0b, 0x03,0xe6,0x7d,0xef,
+         0xd4,0x96,0x9c,0xc1, 0xed,0x37,0x35,0xe6, }, 128,
     },
-    {  EVP_aes_256_cbc,        /* Example 12: Mlen = 512 */
-       { 0x60,0x3d,0xeb,0x10, 0x15,0xca,0x71,0xbe,
-         0x2b,0x73,0xae,0xf0, 0x85,0x7d,0x77,0x81,
-         0x1f,0x35,0x2c,0x07, 0x3b,0x61,0x08,0xd7,
-         0x2d,0x98,0x10,0xa3, 0x09,0x14,0xdf,0xf4, }, 256,
-       { 0x6b,0xc1,0xbe,0xe2, 0x2e,0x40,0x9f,0x96,
-         0xe9,0x3d,0x7e,0x11, 0x73,0x93,0x17,0x2a,
-         0xae,0x2d,0x8a,0x57, 0x1e,0x03,0xac,0x9c,
-         0x9e,0xb7,0x6f,0xac, 0x45,0xaf,0x8e,0x51,
-         0x30,0xc8,0x1c,0x46, 0xa3,0x5c,0xe4,0x11,
-         0xe5,0xfb,0xc1,0x19, 0x1a,0x0a,0x52,0xef,
-         0xf6,0x9f,0x24,0x45, 0xdf,0x4f,0x9b,0x17,
-         0xad,0x2b,0x41,0x7b, 0xe6,0x6c,0x37,0x10, }, 512,
-       { 0xe1,0x99,0x21,0x90, 0x54,0x9f,0x6e,0xd5,
-         0x69,0x6a,0x2c,0x05, 0x6c,0x31,0x54,0x10, }, 128,
+    {  EVP_aes_256_cbc,        /* Count = 33 from CMACGenAES256.txt */
+       { 0x0b,0x12,0x2a,0xc8, 0xf3,0x4e,0xd1,0xfe,
+         0x08,0x2a,0x36,0x25, 0xd1,0x57,0x56,0x14,
+         0x54,0x16,0x7a,0xc1, 0x45,0xa1,0x0b,0xbf,
+         0x77,0xc6,0xa7,0x05, 0x96,0xd5,0x74,0xf1, }, 256,
+       { 0x49,0x8b,0x53,0xfd, 0xec,0x87,0xed,0xcb,
+         0xf0,0x70,0x97,0xdc, 0xcd,0xe9,0x3a,0x08,
+         0x4b,0xad,0x75,0x01, 0xa2,0x24,0xe3,0x88,
+         0xdf,0x34,0x9c,0xe1, 0x89,0x59,0xfe,0x84,
+         0x85,0xf8,0xad,0x15, 0x37,0xf0,0xd8,0x96,
+         0xea,0x73,0xbe,0xdc, 0x72,0x14,0x71,0x3f, }, 384,
+       { 0xf6,0x2c,0x46,0x32, 0x9b, }, 40,
     },
-# if 0
-    /* Removed because the actual result was:
-         0x74,0x3d,0xdb,0xe0,  0xce,0x2d,0xc2,0xed
-       I suspect an error on my part -- Richard Levitte
-     */
-    {  EVP_des_ede3_cbc,       /* Example 15: Mlen = 160 */
-       { 0x8a,0xa8,0x3b,0xf8, 0xcb,0xda,0x10,0x62,
-         0x0b,0xc1,0xbf,0x19, 0xfb,0xb6,0xcd,0x58,
-         0xbc,0x31,0x3d,0x4a, 0x37,0x1c,0xa8,0xb5, }, 192,
-       { 0x6b,0xc1,0xbe,0xe2, 0x2e,0x40,0x9f,0x96,
-         0xe9,0x3d,0x7e,0x11, 0x73,0x93,0x17,0x2a,
-         0xae,0x2d,0x8a,0x57, }, 160,
-       { 0xd3,0x2b,0xce,0xbe, 0x43,0xd2,0x3d,0x80, }, 64,
+    {  EVP_des_ede3_cbc,       /* Count = 41 from CMACGenTDES3.req */
+       { 0x89,0xbc,0xd9,0x52, 0xa8,0xc8,0xab,0x37,
+         0x1a,0xf4,0x8a,0xc7, 0xd0,0x70,0x85,0xd5,
+         0xef,0xf7,0x02,0xe6, 0xd6,0x2c,0xdc,0x23, }, 192,
+       { 0xfa,0x62,0x0c,0x1b, 0xbe,0x97,0x31,0x9e,
+         0x9a,0x0c,0xf0,0x49, 0x21,0x21,0xf7,0xa2,
+         0x0e,0xb0,0x8a,0x6a, 0x70,0x9d,0xcb,0xd0,
+         0x0a,0xaf,0x38,0xe4, 0xf9,0x9e,0x75,0x4e, }, 256,
+       { 0x8f,0x49,0xa1,0xb7, 0xd6,0xaa,0x22,0x58, }, 64,
     },
-# endif
 };
 
 int FIPS_selftest_cmac()
@@ -133,7 +123,7 @@ int FIPS_selftest_cmac()
        CMAC_Final(ctx, out, &outlen);
        CMAC_CTX_cleanup(ctx);
 
-       if(outlen != t->macsize/8 || memcmp(out,t->mac,outlen))
+       if(outlen < t->macsize/8 || memcmp(out,t->mac,t->macsize/8))
            {
            FIPSerr(FIPS_F_FIPS_SELFTEST_CMAC,FIPS_R_SELFTEST_FAILED);
            return 0;