/* 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, tomstdenis@iahu.ca, http://libtomcrypt.org *//* PMAC implementation by Tom St Denis */#include "mycrypt.h"#ifdef PMACint pmac_test(void){#if !defined(LTC_TEST)    return CRYPT_NOP;#else    static const struct {         int msglen;        unsigned char key[16], msg[34], tag[16];    } tests[] = {   /* PMAC-AES-128-0B */{   0,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* msg */   { 0x00 },   /* tag */   { 0x43, 0x99, 0x57, 0x2c, 0xd6, 0xea, 0x53, 0x41,     0xb8, 0xd3, 0x58, 0x76, 0xa7, 0x09, 0x8a, 0xf7 }},   /* PMAC-AES-128-3B */{   3,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* msg */   { 0x00, 0x01, 0x02 },   /* tag */   { 0x25, 0x6b, 0xa5, 0x19, 0x3c, 0x1b, 0x99, 0x1b,     0x4d, 0xf0, 0xc5, 0x1f, 0x38, 0x8a, 0x9e, 0x27 }},   /* PMAC-AES-128-16B */{   16,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* msg */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* tag */   { 0xeb, 0xbd, 0x82, 0x2f, 0xa4, 0x58, 0xda, 0xf6,     0xdf, 0xda, 0xd7, 0xc2, 0x7d, 0xa7, 0x63, 0x38 }},   /* PMAC-AES-128-20B */{   20,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* msg */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,     0x10, 0x11, 0x12, 0x13 },   /* tag */   { 0x04, 0x12, 0xca, 0x15, 0x0b, 0xbf, 0x79, 0x05,     0x8d, 0x8c, 0x75, 0xa5, 0x8c, 0x99, 0x3f, 0x55 }},   /* PMAC-AES-128-32B */{   32,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* msg */   { 0x00, 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, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },   /* tag */   { 0xe9, 0x7a, 0xc0, 0x4e, 0x9e, 0x5e, 0x33, 0x99,     0xce, 0x53, 0x55, 0xcd, 0x74, 0x07, 0xbc, 0x75 }},   /* PMAC-AES-128-34B */{   34,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* msg */   { 0x00, 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, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,     0x20, 0x21 },   /* tag */   { 0x5c, 0xba, 0x7d, 0x5e, 0xb2, 0x4f, 0x7c, 0x86,     0xcc, 0xc5, 0x46, 0x04, 0xe5, 0x3d, 0x55, 0x12 }}};   int err, x, idx;   unsigned long len;   unsigned char outtag[MAXBLOCKSIZE];    /* AES can be under rijndael or aes... try to find it */     if ((idx = find_cipher("aes")) == -1) {       if ((idx = find_cipher("rijndael")) == -1) {          return CRYPT_NOP;       }    }    for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {        len = sizeof(outtag);        if ((err = pmac_memory(idx, tests[x].key, 16, tests[x].msg, tests[x].msglen, outtag, &len)) != CRYPT_OK) {           return err;        }                if (memcmp(outtag, tests[x].tag, len)) {#if 0           unsigned long y;           printf("\nTAG:\n");           for (y = 0; y < len; ) {               printf("0x%02x", outtag[y]);               if (y < len-1) printf(", ");               if (!(++y % 8)) printf("\n");           }#endif           return CRYPT_FAIL_TESTVECTOR;        }     }     return CRYPT_OK;#endif /* LTC_TEST */}#endif /* PMAC_MODE */