#include <boost/test/unit_test.hpp>

#include "hash.h"
#include "util.h"

using namespace std;

BOOST_AUTO_TEST_SUITE(hmac_tests)

typedef struct {
    const char *pszKey;
    const char *pszData;
    const char *pszMAC;
} testvec_t;

// test cases 1, 2, 3, 4, 6 and 7 of RFC 4231
static const testvec_t vtest[] = {
    {
        "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"
        "0b0b0b0b",
        "4869205468657265",
        "87aa7cdea5ef619d4ff0b4241a1d6cb0"
        "2379f4e2ce4ec2787ad0b30545e17cde"
        "daa833b7d6b8a702038b274eaea3f4e4"
        "be9d914eeb61f1702e696c203a126854"
    },
    {
        "4a656665",
        "7768617420646f2079612077616e7420"
        "666f72206e6f7468696e673f",
        "164b7a7bfcf819e2e395fbe73b56e0a3"
        "87bd64222e831fd610270cd7ea250554"
        "9758bf75c05a994a6d034f65f8f0e6fd"
        "caeab1a34d4a6b4b636e070a38bce737"
    },
    {
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaa",
        "dddddddddddddddddddddddddddddddd"
        "dddddddddddddddddddddddddddddddd"
        "dddddddddddddddddddddddddddddddd"
        "dddd",
        "fa73b0089d56a284efb0f0756c890be9"
        "b1b5dbdd8ee81a3655f83e33b2279d39"
        "bf3e848279a722c806b485a47e67c807"
        "b946a337bee8942674278859e13292fb"
    },
    {
        "0102030405060708090a0b0c0d0e0f10"
        "111213141516171819",
        "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
        "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
        "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
        "cdcd",
        "b0ba465637458c6990e5a8c5f61d4af7"
        "e576d97ff94b872de76f8050361ee3db"
        "a91ca5c11aa25eb4d679275cc5788063"
        "a5f19741120c4f2de2adebeb10a298dd"
    },
    {
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaa",
        "54657374205573696e67204c61726765"
        "72205468616e20426c6f636b2d53697a"
        "65204b6579202d2048617368204b6579"
        "204669727374",
        "80b24263c7c1a3ebb71493c1dd7be8b4"
        "9b46d1f41b4aeec1121b013783f8f352"
        "6b56d037e05f2598bd0fd2215d6a1e52"
        "95e64f73f63f0aec8b915a985d786598"
    },
    {
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
        "aaaaaa",
        "54686973206973206120746573742075"
        "73696e672061206c6172676572207468"
        "616e20626c6f636b2d73697a65206b65"
        "7920616e642061206c61726765722074"
        "68616e20626c6f636b2d73697a652064"
        "6174612e20546865206b6579206e6565"
        "647320746f2062652068617368656420"
        "6265666f7265206265696e6720757365"
        "642062792074686520484d414320616c"
        "676f726974686d2e",
        "e37b6a775dc87dbaa4dfa9f96e5e3ffd"
        "debd71f8867289865df5a32d20cdc944"
        "b6022cac3c4982b10d5eeb55c3e4de15"
        "134676fb6de0446065c97440fa8c6a58"
    }
};

BOOST_AUTO_TEST_CASE(hmacsha512_testvectors)
{
    for (unsigned int n=0; n<sizeof(vtest)/sizeof(vtest[0]); n++)
    {
        vector<unsigned char> vchKey  = ParseHex(vtest[n].pszKey);
        vector<unsigned char> vchData = ParseHex(vtest[n].pszData);
        vector<unsigned char> vchMAC  = ParseHex(vtest[n].pszMAC);
        unsigned char vchTemp[64];

        HMAC_SHA512_CTX ctx;
        HMAC_SHA512_Init(&ctx, &vchKey[0], vchKey.size());
        HMAC_SHA512_Update(&ctx, &vchData[0], vchData.size());
        HMAC_SHA512_Final(&vchTemp[0], &ctx);

        BOOST_CHECK(memcmp(&vchTemp[0], &vchMAC[0], 64) == 0);

    }
}

BOOST_AUTO_TEST_SUITE_END()
