--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hmac_test.c	Mon May 31 18:21:40 2004 +0000
@@ -0,0 +1,325 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, [email protected], http://libtomcrypt.org
+ */
+/* Submited by Dobes Vandermeer  ([email protected]) */
+
+#include "mycrypt.h"
+
+/*
+    (1) append zeros to the end of K to create a B byte string
+        (e.g., if K is of length 20 bytes and B=64, then K will be
+         appended with 44 zero bytes 0x00)
+    (2) XOR (bitwise exclusive-OR) the B byte string computed in step
+        (1) with ipad (ipad = the byte 0x36 repeated B times)
+    (3) append the stream of data 'text' to the B byte string resulting
+        from step (2)
+    (4) apply H to the stream generated in step (3)
+    (5) XOR (bitwise exclusive-OR) the B byte string computed in
+        step (1) with opad (opad = the byte 0x5C repeated B times.)
+    (6) append the H result from step (4) to the B byte string
+        resulting from step (5)
+    (7) apply H to the stream generated in step (6) and output
+        the result
+*/
+
+#ifdef HMAC
+
+#define HMAC_BLOCKSIZE hash_descriptor[hash].blocksize
+
+/*
+
+    TEST CASES SOURCE:
+
+Network Working Group                                          P. Cheng
+Request for Comments: 2202                                          IBM
+Category: Informational                                        R. Glenn
+                                                                   NIST
+                                                         September 1997
+
+                 Test Cases for HMAC-MD5 and HMAC-SHA-1
+*/
+
+
+int hmac_test(void)
+{
+ #ifndef LTC_TEST
+    return CRYPT_NOP;
+ #else    
+    unsigned char digest[MAXBLOCKSIZE];
+    int i;
+
+    static const struct hmac_test_case {
+        int num;
+        char *algo;
+        unsigned char key[128];
+        unsigned long keylen;
+        unsigned char data[128];
+        unsigned long datalen;
+        unsigned char digest[MAXBLOCKSIZE];
+    } cases[] = {
+        /*
+        3. Test Cases for HMAC-SHA-1
+
+        test_case =     1
+        key =           0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
+        key_len =       20
+        data =          "Hi Ther     20
+        digest =        0x4c1a03424b55e07fe7f27be1d58bb9324a9a5a04
+        digest-96 =     0x4c1a03424b55e07fe7f27be1
+        */
+        { 5, "sha1",
+            {0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 
+             0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 
+             0x0c, 0x0c, 0x0c, 0x0c}, 20,
+            "Test With Truncation", 20,
+            {0x4c, 0x1a, 0x03, 0x42, 0x4b, 0x55, 0xe0, 0x7f, 0xe7, 0xf2,
+             0x7b, 0xe1, 0xd5, 0x8b, 0xb9, 0x32, 0x4a, 0x9a, 0x5a, 0x04} },
+
+        /*
+        test_case =     6
+        key =           0xaa repeated 80 times
+        key_len =       80
+        data =          "Test Using Larger Than Block-Size Key - Hash Key First"
+        data_len =      54
+        digest =        0xaa4ae5e15272d00e95705637ce8a3b55ed402112
+        */
+        { 6, "sha1",
+            {0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}, 80,
+            "Test Using Larger Than Block-Size Key - Hash Key First", 54,
+            {0xaa, 0x4a, 0xe5, 0xe1, 0x52, 0x72, 0xd0, 0x0e,
+             0x95, 0x70, 0x56, 0x37, 0xce, 0x8a, 0x3b, 0x55, 
+             0xed, 0x40, 0x21, 0x12} },
+
+        /*
+        test_case =     7
+        key =           0xaa repeated 80 times
+        key_len =       80
+        data =          "Test Using Larger Than Block-Size Key and Larger
+                        Than One Block-Size Data"
+        data_len =      73
+        digest =        0xe8e99d0f45237d786d6bbaa7965c7808bbff1a91
+        */
+        { 7, "sha1",
+            {0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}, 80,
+            "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data", 73,
+            {0xe8, 0xe9, 0x9d, 0x0f, 0x45, 0x23, 0x7d, 0x78, 0x6d,
+             0x6b, 0xba, 0xa7, 0x96, 0x5c, 0x78, 0x08, 0xbb, 0xff, 0x1a, 0x91} },
+
+        /*
+        2. Test Cases for HMAC-MD5
+
+        test_case =     1
+        key =           0x0b 0b 0b 0b 
+                          0b 0b 0b 0b
+                          0b 0b 0b 0b
+                          0b 0b 0b 0b
+        key_len =       16
+        data =          "Hi There"
+        data_len =      8
+        digest =        0x92 94 72 7a 
+                          36 38 bb 1c 
+                          13 f4 8e f8 
+                          15 8b fc 9d
+        */
+        { 1, "md5",
+            {0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 
+             0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b}, 16,
+            "Hi There", 8,
+            {0x92, 0x94, 0x72, 0x7a, 0x36, 0x38, 0xbb, 0x1c, 
+             0x13, 0xf4, 0x8e, 0xf8, 0x15, 0x8b, 0xfc, 0x9d}  },
+        /*
+        test_case =     2
+        key =           "Jefe"
+        key_len =       4
+        data =          "what do ya want for nothing?"
+        data_len =      28
+        digest =        0x750c783e6ab0b503eaa86e310a5db738
+        */
+        { 2, "md5",
+            "Jefe", 4,
+            "what do ya want for nothing?", 28,
+            {0x75, 0x0c, 0x78, 0x3e, 0x6a, 0xb0, 0xb5, 0x03, 
+             0xea, 0xa8, 0x6e, 0x31, 0x0a, 0x5d, 0xb7, 0x38} },
+
+        /*
+        test_case =     3
+        key =           0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+        key_len         16
+        data =          0xdd repeated 50 times
+        data_len =      50
+        digest =        0x56be34521d144c88dbb8c733f0e8b3f6
+        */
+        { 3, "md5",
+            {0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}, 16,
+            {0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
+             0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd}, 50,
+            {0x56, 0xbe, 0x34, 0x52, 0x1d, 0x14, 0x4c, 0x88,
+             0xdb, 0xb8, 0xc7, 0x33, 0xf0, 0xe8, 0xb3, 0xf6} },
+        /*
+
+        test_case =     4
+        key = 0x0102030405060708090a0b0c0d0e0f10111213141516171819
+        key_len         25
+        data =          0xcd repeated 50 times
+        data_len =      50
+        digest =        0x697eaf0aca3a3aea3a75164746ffaa79
+        */
+        { 4, "md5",
+            {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+             0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14,
+             0x15, 0x16, 0x17, 0x18, 0x19}, 25,
+            {0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+             0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+             0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+             0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
+             0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd}, 50,
+            {0x69, 0x7e, 0xaf, 0x0a, 0xca, 0x3a, 0x3a, 0xea, 
+             0x3a, 0x75, 0x16, 0x47, 0x46, 0xff, 0xaa, 0x79} },
+
+
+        /*
+ 
+        test_case =     5
+        key =           0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c
+        key_len =       16
+        data =          "Test With Truncation"
+        data_len =      20
+        digest =        0x56461ef2342edc00f9bab995690efd4c
+        digest-96       0x56461ef2342edc00f9bab995
+        */
+        { 5, "md5",
+            {0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 
+             0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c}, 16,
+            "Test With Truncation", 20,
+            {0x56, 0x46, 0x1e, 0xf2, 0x34, 0x2e, 0xdc, 0x00, 
+             0xf9, 0xba, 0xb9, 0x95, 0x69, 0x0e, 0xfd, 0x4c} },
+
+        /*
+
+        test_case =     6
+        key =           0xaa repeated 80 times
+        key_len =       80
+        data =          "Test Using Larger Than Block-Size Key - Hash 
+Key First"
+        data_len =      54
+        digest =        0x6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd
+        */
+        { 6, "md5",
+            {0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}, 80,
+            "Test Using Larger Than Block-Size Key - Hash Key First", 54,
+            {0x6b, 0x1a, 0xb7, 0xfe, 0x4b, 0xd7, 0xbf, 0x8f, 
+             0x0b, 0x62, 0xe6, 0xce, 0x61, 0xb9, 0xd0, 0xcd} },
+
+        /*
+
+        test_case =     7
+        key =           0xaa repeated 80 times
+        key_len =       80
+        data =          "Test Using Larger Than Block-Size Key and Larger
+                        Than One Block-Size Data"
+        data_len =      73
+        digest =        0x6f630fad67cda0ee1fb1f562db3aa53e
+        */
+        { 7, "md5",
+            {0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+             0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}, 80,
+            "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data", 73,
+            {0x6f, 0x63, 0x0f, 0xad, 0x67, 0xcd, 0xa0, 0xee,
+             0x1f, 0xb1, 0xf5, 0x62, 0xdb, 0x3a, 0xa5, 0x3e} }
+    };
+
+    unsigned long outlen;
+    int err;
+    int tested=0,failed=0;
+    for(i=0; i < (int)(sizeof(cases) / sizeof(cases[0])); i++) {
+        int hash = find_hash(cases[i].algo);
+        if (hash == -1) continue;
+        ++tested;
+        outlen = sizeof(digest);
+        if((err = hmac_memory(hash, cases[i].key, cases[i].keylen, cases[i].data, cases[i].datalen, digest, &outlen)) != CRYPT_OK) {
+#if 0
+            printf("HMAC-%s test #%d\n", cases[i].algo, cases[i].num);
+#endif
+            return err;
+        }
+
+        if(memcmp(digest, cases[i].digest, (size_t)hash_descriptor[hash].hashsize) != 0)  {
+#if 0
+            unsigned int j;
+            printf("\nHMAC-%s test #%d:\n", cases[i].algo, cases[i].num);
+            printf(  "Result:  0x");
+            for(j=0; j < hash_descriptor[hash].hashsize; j++) {
+                printf("%2x ", digest[j]);
+            }
+            printf("\nCorrect: 0x");
+            for(j=0; j < hash_descriptor[hash].hashsize; j++) {
+               printf("%2x ", cases[i].digest[j]);
+            }
+            printf("\n");
+#endif
+            failed++;
+            //return CRYPT_ERROR;
+        } else {
+            /* printf("HMAC-%s test #%d: Passed\n", cases[i].algo, cases[i].num); */
+        }
+    }
+
+    if (failed != 0) {
+        return CRYPT_FAIL_TESTVECTOR;
+    } else if (tested == 0) {
+        return CRYPT_NOP;
+    } else {
+        return CRYPT_OK;
+    }
+ #endif
+}
+
+#endif
+