main.py

# для нелинейного биективного (S)
# в 10 виде
# pi = (252, 238, 221, 17, 207, 110, 49, 22, 251, 196, 250, 218, 35, 197, 4, 77, 233, 119, 240,
#       219, 147, 46, 153, 186, 23, 54, 241, 187, 20, 205, 95, 193, 249, 24, 101, 90, 226, 92, 239,
#       33, 129, 28, 60, 66, 139, 1, 142, 79, 5, 132, 2, 174, 227, 106, 143, 160, 6, 11, 237, 152, 127,
#       212, 211, 31, 235, 52, 44, 81, 234, 200, 72, 171, 242, 42, 104, 162, 253, 58, 206, 204, 181,
#       112, 14, 86, 8, 12, 118, 18, 191, 114, 19, 71, 156, 183, 93, 135, 21, 161, 150, 41, 16, 123,
#       154, 199, 243, 145, 120, 111, 157, 158, 178, 177, 50, 117, 25, 61, 255, 53, 138, 126, 109,
#       84, 198, 128, 195, 189, 13, 87, 223, 245, 36, 169, 62, 168, 67, 201, 215, 121, 214, 246, 124,
#       34, 185, 3, 224, 15, 236, 222, 122, 148, 176, 188, 220, 232, 40, 80, 78, 51, 10, 74, 167, 151,
#       96, 115, 30, 0, 98, 68, 26, 184, 56, 130, 100, 159, 38, 65, 173, 69, 70, 146, 39, 94, 85, 47,
#       140, 163, 165, 125, 105, 213, 149, 59, 7, 88, 179, 64, 134, 172, 29, 247, 48, 55, 107, 228,
#       136, 217, 231, 137, 225, 27, 131, 73, 76, 63, 248, 254, 141, 83, 170, 144, 202, 216, 133, 97,
#       32, 113, 103, 164, 45, 43, 9, 91, 203, 155, 37, 208, 190, 229, 108, 82, 89, 166, 116, 210,
#       230, 244, 180, 192, 209, 102, 175, 194, 57, 75, 99, 182)

# в 16 виде
# Pi = [0xFC, 0xEE, 0xDD, 0x11, 0xCF, 0x6E, 0x31, 0x16, 0xFB, 0xC4, 0xFA, 0xDA, 0x23, 0xC5, 0x04, 0x4D,
#       0xE9, 0x77, 0xF0, 0xDB, 0x93, 0x2E, 0x99, 0xBA, 0x17, 0x36, 0xF1, 0xBB, 0x14, 0xCD, 0x5F, 0xC1,
#       0xF9, 0x18, 0x65, 0x5A, 0xE2, 0x5C, 0xEF, 0x21, 0x81, 0x1C, 0x3C, 0x42, 0x8B, 0x01, 0x8E, 0x4F,
#       0x05, 0x84, 0x02, 0xAE, 0xE3, 0x6A, 0x8F, 0xA0, 0x06, 0x0B, 0xED, 0x98, 0x7F, 0xD4, 0xD3, 0x1F,
#       0xEB, 0x34, 0x2C, 0x51, 0xEA, 0xC8, 0x48, 0xAB, 0xF2, 0x2A, 0x68, 0xA2, 0xFD, 0x3A, 0xCE, 0xCC,
#       0xB5, 0x70, 0x0E, 0x56, 0x08, 0x0C, 0x76, 0x12, 0xBF, 0x72, 0x13, 0x47, 0x9C, 0xB7, 0x5D, 0x87,
#       0x15, 0xA1, 0x96, 0x29, 0x10, 0x7B, 0x9A, 0xC7, 0xF3, 0x91, 0x78, 0x6F, 0x9D, 0x9E, 0xB2, 0xB1,
#       0x32, 0x75, 0x19, 0x3D, 0xFF, 0x35, 0x8A, 0x7E, 0x6D, 0x54, 0xC6, 0x80, 0xC3, 0xBD, 0x0D, 0x57,
#       0xDF, 0xF5, 0x24, 0xA9, 0x3E, 0xA8, 0x43, 0xC9, 0xD7, 0x79, 0xD6, 0xF6, 0x7C, 0x22, 0xB9, 0x03,
#       0xE0, 0x0F, 0xEC, 0xDE, 0x7A, 0x94, 0xB0, 0xBC, 0xDC, 0xE8, 0x28, 0x50, 0x4E, 0x33, 0x0A, 0x4A,
#       0xA7, 0x97, 0x60, 0x73, 0x1E, 0x00, 0x62, 0x44, 0x1A, 0xB8, 0x38, 0x82, 0x64, 0x9F, 0x26, 0x41,
#       0xAD, 0x45, 0x46, 0x92, 0x27, 0x5E, 0x55, 0x2F, 0x8C, 0xA3, 0xA5, 0x7D, 0x69, 0xD5, 0x95, 0x3B,
#       0x07, 0x58, 0xB3, 0x40, 0x86, 0xAC, 0x1D, 0xF7, 0x30, 0x37, 0x6B, 0xE4, 0x88, 0xD9, 0xE7, 0x89,
#       0xE1, 0x1B, 0x83, 0x49, 0x4C, 0x3F, 0xF8, 0xFE, 0x8D, 0x53, 0xAA, 0x90, 0xCA, 0xD8, 0x85, 0x61,
#       0x20, 0x71, 0x67, 0xA4, 0x2D, 0x2B, 0x09, 0x5B, 0xCB, 0x9B, 0x25, 0xD0, 0xBE, 0xE5, 0x6C, 0x52,
#       0x59, 0xA6, 0x74, 0xD2, 0xE6, 0xF4, 0xB4, 0xC0, 0xD1, 0x66, 0xAF, 0xC2, 0x39, 0x4B, 0x63, 0xB6]

# в бинарном виде
pi_bin = ['11111100', '11101110', '11011101', '00010001', '11001111', '01101110', '00110001', '00010110', '11111011',
          '11000100', '11111010', '11011010', '00100011', '11000101', '00000100', '01001101', '11101001', '01110111',
          '11110000', '11011011', '10010011', '00101110', '10011001', '10111010', '00010111', '00110110', '11110001',
          '10111011', '00010100', '11001101', '01011111', '11000001', '11111001', '00011000', '01100101', '01011010',
          '11100010', '01011100', '11101111', '00100001', '10000001', '00011100', '00111100', '01000010', '10001011',
          '00000001', '10001110', '01001111', '00000101', '10000100', '00000010', '10101110', '11100011', '01101010',
          '10001111', '10100000', '00000110', '00001011', '11101101', '10011000', '01111111', '11010100', '11010011',
          '00011111', '11101011', '00110100', '00101100', '01010001', '11101010', '11001000', '01001000', '10101011',
          '11110010', '00101010', '01101000', '10100010', '11111101', '00111010', '11001110', '11001100', '10110101',
          '01110000', '00001110', '01010110', '00001000', '00001100', '01110110', '00010010', '10111111', '01110010',
          '00010011', '01000111', '10011100', '10110111', '01011101', '10000111', '00010101', '10100001', '10010110',
          '00101001', '00010000', '01111011', '10011010', '11000111', '11110011', '10010001', '01111000', '01101111',
          '10011101', '10011110', '10110010', '10110001', '00110010', '01110101', '00011001', '00111101', '11111111',
          '00110101', '10001010', '01111110', '01101101', '01010100', '11000110', '10000000', '11000011', '10111101',
          '00001101', '01010111', '11011111', '11110101', '00100100', '10101001', '00111110', '10101000', '01000011',
          '11001001', '11010111', '01111001', '11010110', '11110110', '01111100', '00100010', '10111001', '00000011',
          '11100000', '00001111', '11101100', '11011110', '01111010', '10010100', '10110000', '10111100', '11011100',
          '11101000', '00101000', '01010000', '01001110', '00110011', '00001010', '01001010', '10100111', '10010111',
          '01100000', '01110011', '00011110', '00000000', '01100010', '01000100', '00011010', '10111000', '00111000',
          '10000010', '01100100', '10011111', '00100110', '01000001', '10101101', '01000101', '01000110', '10010010',
          '00100111', '01011110', '01010101', '00101111', '10001100', '10100011', '10100101', '01111101', '01101001',
          '11010101', '10010101', '00111011', '00000111', '01011000', '10110011', '01000000', '10000110', '10101100',
          '00011101', '11110111', '00110000', '00110111', '01101011', '11100100', '10001000', '11011001', '11100111',
          '10001001', '11100001', '00011011', '10000011', '01001001', '01001100', '00111111', '11111000', '11111110',
          '10001101', '01010011', '10101010', '10010000', '11001010', '11011000', '10000101', '01100001', '00100000',
          '01110001', '01100111', '10100100', '00101101', '00101011', '00001001', '01011011', '11001011', '10011011',
          '00100101', '11010000', '10111110', '11100101', '01101100', '01010010', '01011001', '10100110', '01110100',
          '11010010', '11100110', '11110100', '10110100', '11000000', '11010001', '01100110', '10101111', '11000010',
          '00111001', '01001011', '01100011', '10110110']

# Для перестановок (P)
tau = (0, 8, 16, 24, 32, 40, 48, 56, 1, 9, 17, 25, 33, 41, 49, 57, 2, 10, 18, 26, 34, 42, 50, 58,
       3, 11, 19, 27, 35, 43, 51, 59, 4, 12, 20, 28, 36, 44, 52, 60, 5, 13, 21, 29, 37, 45, 53, 61, 6, 14,
       22, 30, 38, 46, 54, 62, 7, 15, 23, 31, 39, 47, 55, 63)

# для линейного (L)
matrix_A = ["8e20faa72ba0b470", "47107ddd9b505a38", "ad08b0e0c3282d1c", "d8045870ef14980e",
            "6c022c38f90a4c07", "3601161cf205268d", "1b8e0b0e798c13c8", "83478b07b2468764",
            "a011d380818e8f40", "5086e740ce47c920", "2843fd2067adea10", "14aff010bdd87508",
            "0ad97808d06cb404", "05e23c0468365a02", "8c711e02341b2d01", "46b60f011a83988e",
            "90dab52a387ae76f", "486dd4151c3dfdb9", "24b86a840e90f0d2", "125c354207487869",
            "092e94218d243cba", "8a174a9ec8121e5d", "4585254f64090fa0", "accc9ca9328a8950",
            "9d4df05d5f661451", "c0a878a0a1330aa6", "60543c50de970553", "302a1e286fc58ca7",
            "18150f14b9ec46dd", "0c84890ad27623e0", "0642ca05693b9f70", "0321658cba93c138",
            "86275df09ce8aaa8", "439da0784e745554", "afc0503c273aa42a", "d960281e9d1d5215",
            "e230140fc0802984", "71180a8960409a42", "b60c05ca30204d21", "5b068c651810a89e",
            "456c34887a3805b9", "ac361a443d1c8cd2", "561b0d22900e4669", "2b838811480723ba",
            "9bcf4486248d9f5d", "c3e9224312c8c1a0", "effa11af0964ee50", "f97d86d98a327728",
            "e4fa2054a80b329c", "727d102a548b194e", "39b008152acb8227", "9258048415eb419d",
            "492c024284fbaec0", "aa16012142f35760", "550b8e9e21f7a530", "a48b474f9ef5dc18",
            "70a6a56e2440598e", "3853dc371220a247", "1ca76e95091051ad", "0edd37c48a08a6d8",
            "07e095624504536c", "8d70c431ac02a736", "c83862965601dd1b", "641c314b2b8ee083"]

# набор констант для KeySchedule
C = [
    "b1085bda1ecadae9ebcb2f81c0657c1f2f6a76432e45d016714eb88d7585c4fc4b7ce09192676901a2422a08a460d31505767436cc744d23dd806559f2a64507",
    "6fa3b58aa99d2f1a4fe39d460f70b5d7f3feea720a232b9861d55e0f16b501319ab5176b12d699585cb561c2db0aa7ca55dda21bd7cbcd56e679047021b19bb7",
    "f574dcac2bce2fc70a39fc286a3d843506f15e5f529c1f8bf2ea7514b1297b7bd3e20fe490359eb1c1c93a376062db09c2b6f443867adb31991e96f50aba0ab2",
    "ef1fdfb3e81566d2f948e1a05d71e4dd488e857e335c3c7d9d721cad685e353fa9d72c82ed03d675d8b71333935203be3453eaa193e837f1220cbebc84e3d12e",
    "4bea6bacad4747999a3f410c6ca923637f151c1f1686104a359e35d7800fffbdbfcd1747253af5a3dfff00b723271a167a56a27ea9ea63f5601758fd7c6cfe57",
    "ae4faeae1d3ad3d96fa4c33b7a3039c02d66c4f95142a46c187f9ab49af08ec6cffaa6b71c9ab7b40af21f66c2bec6b6bf71c57236904f35fa68407a46647d6e",
    "f4c70e16eeaac5ec51ac86febf240954399ec6c7e6bf87c9d3473e33197a93c90992abc52d822c3706476983284a05043517454ca23c4af38886564d3a14d493",
    "9b1f5b424d93c9a703e7aa020c6e41414eb7f8719c36de1e89b4443b4ddbc49af4892bcb929b069069d18d2bd1a5c42f36acc2355951a8d9a47f0dd4bf02e71e",
    "378f5a541631229b944c9ad8ec165fde3a7d3a1b258942243cd955b7e00d0984800a440bdbb2ceb17b2b8a9aa6079c540e38dc92cb1f2a607261445183235adb",
    "abbedea680056f52382ae548b2e4f3f38941e71cff8a78db1fffe18a1b3361039fe76702af69334b7a1e6c303b7652f43698fad1153bb6c374b4c7fb98459ced",
    "7bcd9ed0efc889fb3002c6cd635afe94d8fa6bbbebab076120018021148466798a1d71efea48b9caefbacd1d7d476e98dea2594ac06fd85d6bcaa4cd81f32d1b",
    "378ee767f11631bad21380b00449b17acda43c32bcdf1d77f82012d430219f9b5d80ef9d1891cc86e71da4aa88e12852faf417d5d9b21b9948bc924af11bd720"]


# C1 = ["0",
#       "b1085bda1ecadae9ebcb2f81c0657c1f2f6a76432e45d016714eb88d7585c4fc4b7ce09192676901a2422a08a460d31505767436cc744d23dd806559f2a64507",
#       "6fa3b58aa99d2f1a4fe39d460f70b5d7f3feea720a232b9861d55e0f16b501319ab5176b12d699585cb561c2db0aa7ca55dda21bd7cbcd56e679047021b19bb7",
#       "f574dcac2bce2fc70a39fc286a3d843506f15e5f529c1f8bf2ea7514b1297b7bd3e20fe490359eb1c1c93a376062db09c2b6f443867adb31991e96f50aba0ab2",
#       "ef1fdfb3e81566d2f948e1a05d71e4dd488e857e335c3c7d9d721cad685e353fa9d72c82ed03d675d8b71333935203be3453eaa193e837f1220cbebc84e3d12e",
#       "4bea6bacad4747999a3f410c6ca923637f151c1f1686104a359e35d7800fffbdbfcd1747253af5a3dfff00b723271a167a56a27ea9ea63f5601758fd7c6cfe57",
#       "ae4faeae1d3ad3d96fa4c33b7a3039c02d66c4f95142a46c187f9ab49af08ec6cffaa6b71c9ab7b40af21f66c2bec6b6bf71c57236904f35fa68407a46647d6e",
#       "f4c70e16eeaac5ec51ac86febf240954399ec6c7e6bf87c9d3473e33197a93c90992abc52d822c3706476983284a05043517454ca23c4af38886564d3a14d493",
#       "9b1f5b424d93c9a703e7aa020c6e41414eb7f8719c36de1e89b4443b4ddbc49af4892bcb929b069069d18d2bd1a5c42f36acc2355951a8d9a47f0dd4bf02e71e",
#       "378f5a541631229b944c9ad8ec165fde3a7d3a1b258942243cd955b7e00d0984800a440bdbb2ceb17b2b8a9aa6079c540e38dc92cb1f2a607261445183235adb",
#       "abbedea680056f52382ae548b2e4f3f38941e71cff8a78db1fffe18a1b3361039fe76702af69334b7a1e6c303b7652f43698fad1153bb6c374b4c7fb98459ced",
#       "7bcd9ed0efc889fb3002c6cd635afe94d8fa6bbbebab076120018021148466798a1d71efea48b9caefbacd1d7d476e98dea2594ac06fd85d6bcaa4cd81f32d1b",
#       "378ee767f11631bad21380b00449b17acda43c32bcdf1d77f82012d430219f9b5d80ef9d1891cc86e71da4aa88e12852faf417d5d9b21b9948bc924af11bd720"]


# utility functions ------------------------------------------------------------------------------------

# convert from text to binary
def text_bin(s: str) -> str:
    return "".join(f"{ord(i):08b}" for i in s)


# convert from text to binary v2 (пока не используется)
def text_to_bin(text):
    return ''.join(format(x, '08b') for x in bytearray(text, 'utf-8'))


# convert from binary to hex
def bin_hex(s: str) -> str:
    s1 = ""
    for i in [s[x:x + 8] for x in range(0, len(s), 8)]:
        s1 += hex(int(i, 2))[2:].zfill(2)
    return s1


# convert from hex to binary
def hex_bin(hex_s: str) -> str:
    mp = [hex_s[i:i + 2] for i in range(0, len(hex_s), 2)]
    bin_s = ""
    for i in mp:
        mp_bin = bin(int(i, 16))[2:]
        while len(mp_bin) % 8 != 0:  # дополнение нулями
            mp_bin = "0" + mp_bin
        bin_s += mp_bin

    return bin_s


# convert из текста в hex
def text_to_hex(text):
    result = ''
    for i in range(len(text)):
        if i % 4 == 0:
            result += hex(int(text[i:i + 4], 2))[2:]

    return result


# реверсит текст
def reverse(text):
    temp_len = []
    result = ''
    for i in range(len(text)):
        if i % 2 == 0:
            temp_len.append(text[i:i + 2])

    for i in range(len(temp_len)):
        result += temp_len[-1 - i]
    return result


# Преобразования короче ---------------------------------------------------------------------------

# Побитовое исключающее ИЛИ над 512-битными блоками (XOR)
def x_change(k, a: str) -> str:
    out_list = []

    for i in range(len(k)):
        out_list.append(str(pow(int(k[i]) + int(a[i]), 1, 2)))

    return "".join(out_list)


# Нелинейное биективное преобразование
def S(I: str) -> str:
    I_list = []

    for i in range(512):

        if i % 8 == 0:
            c = int(I[i:i + 8], 2)
            var = pi_bin[c]
            I_list.append(var)

        I_str = "".join(I_list)
    return I_list


# Перестановка байтов
def P(I: list) -> str:
    I_list = [0] * 64
    for i in range(64):
        I_list[i] = I[tau[i]]

    return "".join(I_list)


# Линейное преобразование
def L(I: str) -> str:
    b = []
    for i in range(512):
        if i % 64 == 0:
            c = I[i:i + 64]
            b.append(c)
    return b


# вспомогательная надстройка над линейным п.
def l(b: len):
    B_list = []
    B_str = ""

    for i in range(8):
        B = "0" * 64

        for j in range(64):
            if int(b[i][j]) == 1:
                B_str = hex_bin(matrix_A[j])

            elif int(b[i][j]) == 0:
                B_str = "0" * 64

            B = x_change(B, B_str)
        B_list.append(B)

    return "".join(B_list)


# ну собственно, Е из стандарта
def E(K, m):
    state = x_change(K, m)
    for i in range(len(C)):  # от 0 до 11 по идее
        state = l(L(P(S(state))))
        K = key_schedule(K, i)
        state = x_change(state, K)
    return state


# вспомогательная функция, которая тупо вызывает преобразования подряд
def LPSX(smth, smth2):
    return l(L(P(S(x_change(smth, smth2)))))  # соответствует LPS в стандарте, x_change это xor


# из стандарта (БАНАЛЬНО НО РАБОТАЕТ ЖЕ)
def key_schedule(K, i):
    K = LPSX(K, hex_bin(C[i]))
    return K


# Преобразование: функция g в стандарте (функция сжатия)
def g(N, m, h: str) -> str:
    K = LPSX(h, N)  # все стандартные преобразования
    # print(bin_hex(K))
    t = E(K, m)  # функия E из стандарта
    t = x_change(h, t)  # xor
    G = x_change(t, m)  # xor
    # print(bin_hex(G))
    return G


# главная функция в этом пармезанском балете
def stribog_both(M, flag) -> str:
    """
    :param M: это массив в бинарном виде (предполагается)
    :param flag: 1 - 512, 2 - 256 бит
    :return: строка, че
    """

    m = M  # фактически, просто обьявление (useless)
    N = "0" * 512  # N она и в Африке ЭН
    Sig = "0" * 512  # наша горячо любимая сигма

    if flag == 1:  # 512
        IV = "0" * 512
    elif flag == 2:  # 256
        IV = "00000001" * 64
    else:
        print('Ошибка в передаваемом флаге')
        exit(-1)
    h = IV

    while len(M) >= 512:
        m = M[len(M) - 512:]  # блок (справа-с-конца)
        h = g(N, m, h)
        # print(bin_hex(h))

        N = format(pow(int(N, 2) + 512, 1, pow(2, 512)), "0b")
        while len(N) != 512:
            N = "0" + N

        Sig = format(pow(int(Sig, 2) + int(m, 2), 1, pow(2, 512)), "0b")
        while len(Sig) != 512:
            Sig = "0" + Sig

        M = M[:len(M) - 512]

    if len(M) < 512:  # длина меньше 512
        m = M
        m = m = "1" + m
        while len(m) != 512:  # дополнение
            m = "0" + m

        h = g(N, m, h)
        # print(bin_hex(h))

        N = format(pow(int(N, 2) + len(M), 1, pow(2, 512)), "0b")
        while len(N) != 512:
            N = "0" + N
        # print(N)

        Sig = format(pow(int(Sig, 2) + int(m, 2), 1, pow(2, 512)), "0b")
        while len(Sig) != 512:
            Sig = "0" + Sig
        # print(Sig)

        Nol = "0" * 512
        h = g(Nol, N, h)
        # print(bin_hex(h))
        h = g(Nol, Sig, h)
        # print(bin_hex(h))

        # return bin_hex(h)
        if flag == 1:
            return bin_hex(h)
        elif flag == 2:
            h = h[:256]
            return bin_hex(h)


def text_2_approp(text):
    return hex_bin(reverse(text_to_hex(text_bin(text))))
    pass


if __name__ == '__main__':
    # inp = input('Введите текст:\t')
    m1 = '323130393837363534333231303938373635343332313039383736353433323130393837363534333231303938373635343332313039383736353433323130'
    m2 = 'fbe2e5f0eee3c820fbeafaebef20fffbf0e1e0f0f520e0ed20e8ece0ebe5f0f2f120fff0eeec20f120faf2fee5e2202ce8f6f3ede220e8e6eee1e8f0f2d1202ce8f0f2e5e220e5d1'

    print('Начальный вид сообщения из госта:', m1)
    print('Начальный вид сообщения2 из госта:', m2)
    m1 = hex_bin(m1)
    m2 = hex_bin(m2)
    print('Сообщение в бинарном виде:', m1)
    print('Сообщение2 в бинарном виде:', m2)

    # massive = hex_bin(reverse(text_to_hex(text_to_bin(massive))))
    # mas = text_2_approp(inp)
    mas = m1
    mas2 = m2
    # choose = input('Выбор свертки\n512 - 1\n256 - 2\n>>>\t')
    final = stribog_both(mas, 1)
    print(final)

    f2 = stribog_both(mas2, 1)
    print(f2)

# def test():
#     m1 = '323130393837363534333231303938373635343332313039383736353433323130393837363534333231303938373635343332313039383736353433323130'
#     m1 = hex_bin(m1)
#     m2 = 'fbe2e5f0eee3c820fbeafaebef20fffbf0e1e0f0f520e0ed20e8ece0ebe5f0f2f120fff0eeec20f120faf2fee5e2202ce8f6f3ede220e8e6eee1e8f0f2d1202ce8f0f2e5e220e5d1 '
#     m2 = hex_bin(m2)
#     test1_1 = '486f64c1917879417fef082b3381a4e211c324f074654c38823a7b76f830ad00fa1fbae42b1285c0352f227524bc9ab16254288dd6863dccd5b9f54a1ad0541b '
#     test1_2 = '00557be5e584fd52a449b16b0251d05d27f94ab76cbaa6da890b59d8ef1e159d'
#     test2_1 = '28fbc9bada033b1460642bdcddb90c3fb3e56c497ccd0f62b8a2ad4935e85f037613966de4ee00531ae60f3b5a47f8dae06915d5f2f194996fcabf2622e6881e '
#     test2_2 = '508f7e553c06501d749a66fc28c6cac0b005746d97537fa85d9e40904efed29d'
#     print(stribog_256_512(m1, 1) == test1_1, stribog_256_512(m1, 2) == test1_2, stribog_256_512(m2, 1) == test2_1,
#           stribog_256_512(m2, 2) == test2_2, sep='\n')