#include "hash/hmac.hpp"

#include "hash/md5.hpp"
#include "hash/sha1.hpp"

#include <cruft/util/tap.hpp>
#include <cruft/util/types.hpp>

#include <cstring>
#include <iostream>
#include <vector>

using cruft::crypto::hash::MD5;
using cruft::crypto::hash::SHA1;
using cruft::crypto::hash::HMAC;


//-----------------------------------------------------------------------------
std::vector<uint8_t>
to_vector (const char *str)
{
    return std::vector<uint8_t> (str, str + strlen (str));
}


//-----------------------------------------------------------------------------
template <class T>
bool
test_hmac (const std::vector<uint8_t> &key,
           const std::vector<uint8_t> &dat,
           const std::vector<uint8_t> &res)
{
    HMAC<T> h (key);
    const auto ours = h (dat);

    return std::equal (ours.begin (), ours.end (), res.begin ());
}


typedef bool (*test_func) (const std::vector<uint8_t>&,
                           const std::vector<uint8_t>&,
                           const std::vector<uint8_t>&);

//-----------------------------------------------------------------------------
static const struct {
    std::vector<uint8_t> key;
    std::vector<uint8_t> dat;
    std::vector<uint8_t> res;
    test_func            fun;
} TESTS[] = {
    // 1: RFC 2104 test data, MD5
    {
        { 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
          0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b  },
        { 'H', 'i', ' ', 'T', 'h', 'e', 'r', 'e' },
        { 0x92, 0x94, 0x72, 0x7a, 0x36, 0x38, 0xbb, 0x1c,
          0x13, 0xf4, 0x8e, 0xf8, 0x15, 0x8b, 0xfc, 0x9d },
        &test_hmac<MD5>
    },

    // 2:
    {
        to_vector ("Jefe"),
        to_vector ("what do ya want for nothing?"),
        { 0x75, 0x0c, 0x78, 0x3e, 0x6a, 0xb0, 0xb5, 0x03,
          0xea, 0xa8, 0x6e, 0x31, 0x0a, 0x5d, 0xb7, 0x38 },
        &test_hmac<MD5>
    },

    // 3:
    {
        { 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
          0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA  },
        { 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 },
        { 0x56, 0xbe, 0x34, 0x52, 0x1d, 0x14, 0x4c, 0x88,
          0xdb, 0xb8, 0xc7, 0x33, 0xf0, 0xe8, 0xb3, 0xf6 },
        &test_hmac<MD5>
    },

    // 4: RFC 2202 test data, 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 },
        { 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 },
        { 0x69, 0x7e, 0xaf, 0x0a, 0xca, 0x3a, 0x3a, 0xea,
          0x3a, 0x75, 0x16, 0x47, 0x46, 0xff, 0xaa, 0x79 },
        &test_hmac<MD5>
    },

    // 5:
    {
        { 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
          0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
        to_vector ("Test With Truncation"),
        { 0x56, 0x46, 0x1e, 0xf2, 0x34, 0x2e, 0xdc, 0x00,
          0xf9, 0xba, 0xb9, 0x95, 0x69, 0x0e, 0xfd, 0x4c },
        &test_hmac<MD5>
        // digest-96: 0x56461ef2342edc00f9bab995
    },

    // 6:
    {
        { 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 },
        to_vector ("Test Using Larger Than Block-Size Key - Hash Key First"),
        { 0x6b, 0x1a, 0xb7, 0xfe, 0x4b, 0xd7, 0xbf, 0x8f,
          0x0b, 0x62, 0xe6, 0xce, 0x61, 0xb9, 0xd0, 0xcd },
        &test_hmac<MD5>
    },

    // 7:
    {
        { 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 },
        to_vector ("Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data"),
        { 0x6f, 0x63, 0x0f, 0xad, 0x67, 0xcd, 0xa0, 0xee,
          0x1f, 0xb1, 0xf5, 0x62, 0xdb, 0x3a, 0xa5, 0x3e },
        &test_hmac<MD5>
    },

    // 8: RFC 2202 test data, SHA1
    {
        { 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
          0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
          0x0b, 0x0b, 0x0b, 0x0b },
        to_vector ("Hi There"),
        { 0xb6, 0x17, 0x31, 0x86, 0x55, 0x05, 0x72, 0x64,
          0xe2, 0x8b, 0xc0, 0xb6, 0xfb, 0x37, 0x8c, 0x8e,
          0xf1, 0x46, 0xbe, 0x00 },
        &test_hmac<SHA1>
    },

    {
        to_vector ("Jefe"),
        to_vector ("what do ya want for nothing?"),
        { 0xef, 0xfc, 0xdf, 0x6a, 0xe5, 0xeb, 0x2f, 0xa2,
          0xd2, 0x74, 0x16, 0xd5, 0xf1, 0x84, 0xdf, 0x9c,
          0x25, 0x9a, 0x7c, 0x79 },
        &test_hmac<SHA1>
    },

    {
        { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
          0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
          0xaa, 0xaa, 0xaa, 0xaa },
        { 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 },
        { 0x12, 0x5d, 0x73, 0x42, 0xb9, 0xac, 0x11, 0xcd,
          0x91, 0xa3, 0x9a, 0xf4, 0x8a, 0xa1, 0x7b, 0x4f,
          0x63, 0xf1, 0x75, 0xd3 },
        &test_hmac<SHA1>
    },

    {
        { 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 },
        { 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 },
        { 0x4c, 0x90, 0x07, 0xf4, 0x02, 0x62, 0x50, 0xc6,
          0xbc, 0x84, 0x14, 0xf9, 0xbf, 0x50, 0xc8, 0x6c,
          0x2d, 0x72, 0x35, 0xda },
        &test_hmac<SHA1>
    },

    {
        { 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
          0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
          0x0c, 0x0c, 0x0c, 0x0c },
        to_vector ("Test With Truncation"),
        { 0x4c, 0x1a, 0x03, 0x42, 0x4b, 0x55, 0xe0, 0x7f,
          0xe7, 0xf2, 0x7b, 0xe1, 0xd5, 0x8b, 0xb9, 0x32,
          0x4a, 0x9a, 0x5a, 0x04 },
        &test_hmac<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 },
        to_vector ("Test Using Larger Than Block-Size Key - Hash Key First"),
        { 0xaa, 0x4a, 0xe5, 0xe1, 0x52, 0x72, 0xd0, 0x0e,
          0x95, 0x70, 0x56, 0x37, 0xce, 0x8a, 0x3b, 0x55,
          0xed, 0x40, 0x21, 0x12 },
        &test_hmac<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 },
        to_vector ("Test Using Larger Than Block-Size Key - Hash Key First"),
        { 0xaa, 0x4a, 0xe5, 0xe1, 0x52, 0x72, 0xd0, 0x0e,
          0x95, 0x70, 0x56, 0x37, 0xce, 0x8a, 0x3b, 0x55,
          0xed, 0x40, 0x21, 0x12 },
        &test_hmac<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 },
        to_vector ("Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data"),
        { 0xe8, 0xe9, 0x9d, 0x0f, 0x45, 0x23, 0x7d, 0x78,
          0x6d, 0x6b, 0xba, 0xa7, 0x96, 0x5c, 0x78, 0x08,
          0xbb, 0xff, 0x1a, 0x91 },
        &test_hmac<SHA1>
    },
};


//-----------------------------------------------------------------------------
int
main (int, char**)
{
    cruft::TAP::logger tap;

    for (size_t i = 0; i < std::size (TESTS); ++i)
        tap.expect (TESTS[i].fun (TESTS[i].key, TESTS[i].dat, TESTS[i].res), "standard test vector %zu", i);

    return tap.status ();
}