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How to use print_block method in Molotov

Best Python code snippet using molotov_python

aes.py

Source:aes.py

...127            print("0x%02x " % keys[i + j], end="")128        print("")129        i += 16130#-------------------------------------------------------------------131# print_block()132#133# Print the given block as four 32 bit words.134#-------------------------------------------------------------------135def print_block(block):136    (w0, w1, w2, w3) = block137    print("0x%08x, 0x%08x, 0x%08x, 0x%08x" % (w0, w1, w2, w3))138#-------------------------------------------------------------------139# print_key()140#141# Print the given key as on or two sets of four 32 bit words.142#-------------------------------------------------------------------143def print_key(key):144    if len(key) == 8:145        (k0, k1, k2, k3, k4, k5, k6, k7) = key146        print_block((k0, k1, k2, k3))147        print_block((k4, k5, k6, k7))148    else:149        print_block(key)150#-------------------------------------------------------------------151# b2w()152#153# Create a word from the given bytes.154#-------------------------------------------------------------------155def b2w(b0, b1, b2, b3):156    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3157#-------------------------------------------------------------------158# w2b()159#160# Extracts the bytes in a word.161#-------------------------------------------------------------------162def w2b(w):163    b0 = w >> 24164    b1 = w >> 16 & 0xff165    b2 = w >> 8 & 0xff166    b3 = w & 0xff167    return (b0, b1, b2, b3)168#-------------------------------------------------------------------169# gm2()170#171# The specific Galois Multiplication by two for a given byte.172#-------------------------------------------------------------------173def gm2(b):174    return ((b << 1) ^ (0x1b & ((b >> 7) * 0xff))) & 0xff175#-------------------------------------------------------------------176# gm3()177#178# The specific Galois Multiplication by three for a given byte.179#-------------------------------------------------------------------180def gm3(b):181    return gm2(b) ^ b182#-------------------------------------------------------------------183# gm4()184#185# The specific Galois Multiplication by four for a given byte.186#-------------------------------------------------------------------187def gm4(b):188    return gm2(gm2(b))189#-------------------------------------------------------------------190# gm8()191#192# The specific Galois Multiplication by eight for a given byte.193#-------------------------------------------------------------------194def gm8(b):195    return gm2(gm4(b))196#-------------------------------------------------------------------197# gm09()198#199# The specific Galois Multiplication by nine for a given byte.200#-------------------------------------------------------------------201def gm09(b):202    return gm8(b) ^ b203#-------------------------------------------------------------------204# gm11()205#206# The specific Galois Multiplication by 11 for a given byte.207#-------------------------------------------------------------------208def gm11(b):209    return gm8(b) ^ gm2(b) ^ b210#-------------------------------------------------------------------211# gm13()212#213# The specific Galois Multiplication by 13 for a given byte.214#-------------------------------------------------------------------215def gm13(b):216    return gm8(b) ^ gm4(b) ^ b217#-------------------------------------------------------------------218# gm14()219#220# The specific Galois Multiplication by 14 for a given byte.221#-------------------------------------------------------------------222def gm14(b):223    return gm8(b) ^ gm4(b) ^ gm2(b)224#-------------------------------------------------------------------225# substw()226#227# Returns a 32-bit word in which each of the bytes in the228# given 32-bit word has been used as lookup into the AES S-box.229#-------------------------------------------------------------------230def substw(w):231    (b0, b1, b2, b3) = w2b(w)232    s0 = sbox[b0]233    s1 = sbox[b1]234    s2 = sbox[b2]235    s3 = sbox[b3]236    res = b2w(s0, s1, s2, s3)237    if VERBOSE:238        print("Inside substw:")239        print("b0 = 0x%02x, b1 = 0x%02x, b2 = 0x%02x, b3 = 0x%02x" %240              (b0, b1, b2, b3))241        print("s0 = 0x%02x, s1 = 0x%02x, s2 = 0x%02x, s3 = 0x%02x" %242              (s0, s1, s2, s3))243        print("res = 0x%08x" % (res))244    return res245#-------------------------------------------------------------------246# inv_substw()247#248# Returns a 32-bit word in which each of the bytes in the249# given 32-bit word has been used as lookup into250# the inverse AES S-box.251#-------------------------------------------------------------------252def inv_substw(w):253    (b0, b1, b2, b3) = w2b(w)254    s0 = inv_sbox[b0]255    s1 = inv_sbox[b1]256    s2 = inv_sbox[b2]257    s3 = inv_sbox[b3]258    res = b2w(s0, s1, s2, s3)259    if VERBOSE:260        print("Inside inv_substw:")261        print("b0 = 0x%02x, b1 = 0x%02x, b2 = 0x%02x, b3 = 0x%02x" %262              (b0, b1, b2, b3))263        print("s0 = 0x%02x, s1 = 0x%02x, s2 = 0x%02x, s3 = 0x%02x" %264              (s0, s1, s2, s3))265        print("res = 0x%08x" % (res))266    return res267#-------------------------------------------------------------------268# rolx()269#270# Rotate the given 32 bit word x bits left.271#-------------------------------------------------------------------272def rolx(w, x):273    return ((w << x) | (w >> (32 - x))) & 0xffffffff274#-------------------------------------------------------------------275# next_128bit_key()276#277# Generate the next four key words for aes-128 based on given278# rcon and previous key words.279#-------------------------------------------------------------------280def next_128bit_key(prev_key, rcon):281    (w0, w1, w2, w3) = prev_key282    rol = rolx(w3, 8)283    subst = substw(rol)284    t = subst ^ (rcon << 24)285    k0 = w0 ^ t286    k1 = w1 ^ w0 ^ t287    k2 = w2 ^ w1 ^ w0 ^ t288    k3 = w3 ^ w2 ^ w1 ^ w0 ^ t289    if VERBOSE:290        print("Inside next 128bit key:")291        print("w0 = 0x%08x, w1 = 0x%08x, w2 = 0x%08x, w3 = 0x%08x" %292              (w0, w1, w2, w3))293        print("rol = 0x%08x, subst = 0x%08x, rcon = 0x%02x, t = 0x%08x" %294              (rol, subst, rcon, t))295        print("k0 = 0x%08x, k1 = 0x%08x, k2 = 0x%08x, k3 = 0x%08x" %296              (k0, k1, k2, k3))297    return (k0, k1, k2, k3)298#-------------------------------------------------------------------299# key_gen128()300#301# Generating the keys for 128 bit keys.302#-------------------------------------------------------------------303def key_gen128(key):304    print("Doing the 128 bit key expansion")305    round_keys = []306    round_keys.append(key)307    for i in range(10):308        round_keys.append(next_128bit_key(round_keys[i], get_rcon(i + 1)))309    if VERBOSE:310        print("Input key:")311        print_block(key)312        print("")313        print("Generated keys:")314        for k in round_keys:315            print_block(k)316        print("")317    return round_keys318#-------------------------------------------------------------------319# next_256bit_key_a()320#321# Generate the next four key words for aes-256 using algorithm A322# based on given rcon and the previous two keys.323#-------------------------------------------------------------------324def next_256it_key_a(key0, key1, rcon):325    (w0, w1, w2, w3) = key0326    (w4, w5, w6, w7) = key1327    sw = substw(rolx(w7, 8))328    rw = (rcon << 24)329    t = sw ^ rw330    k0 = w0 ^ t331    k1 = w1 ^ w0 ^ t332    k2 = w2 ^ w1 ^ w0 ^ t333    k3 = w3 ^ w2 ^ w1 ^ w0 ^ t334    if (DUMP_VARS):335        print("next_256bit_key_a:")336        print("w0 = 0x%08x, w0 = 0x%08x, w0 = 0x%08x, w0 = 0x%08x" % (w0, w1, w2, w3))337        print("w4 = 0x%08x, w5 = 0x%08x, w6 = 0x%08x, w7 = 0x%08x" % (w4, w5, w6, w7))338        print("t = 0x%08x, sw = 0x%08x, rw = 0x%08x" % (t, sw, rw))339        print("k0 = 0x%08x, k0 = 0x%08x, k0 = 0x%08x, k0 = 0x%08x" % (k0, k1, k2, k3))340        print("")341    return (k0, k1, k2, k3)342#-------------------------------------------------------------------343# next_256bit_key_b()344#345# Generate the next four key words for aes-256 using algorithm B346# based on given previous eight keywords.347#-------------------------------------------------------------------348def next_256it_key_b(key0, key1):349    (w0, w1, w2, w3) = key0350    (w4, w5, w6, w7) = key1351    t = substw(w7)352    k0 = w0 ^ t353    k1 = w1 ^ w0 ^ t354    k2 = w2 ^ w1 ^ w0 ^ t355    k3 = w3 ^ w2 ^ w1 ^ w0 ^ t356    if (DUMP_VARS):357        print("next_256bit_key_b:")358        print("w0 = 0x%08x, w0 = 0x%08x, w0 = 0x%08x, w0 = 0x%08x" % (w0, w1, w2, w3))359        print("w4 = 0x%08x, w5 = 0x%08x, w6 = 0x%08x, w7 = 0x%08x" % (w4, w5, w6, w7))360        print("t = 0x%08x" % (t))361        print("k0 = 0x%08x, k0 = 0x%08x, k0 = 0x%08x, k0 = 0x%08x" % (k0, k1, k2, k3))362        print("")363    return (k0, k1, k2, k3)364#-------------------------------------------------------------------365# key_gen256()366#367# Generating the keys for 256 bit keys.368#-------------------------------------------------------------------369def key_gen256(key):370    round_keys = []371    (k0, k1, k2, k3, k4, k5, k6, k7) = key372    round_keys.append((k0, k1, k2, k3))373    round_keys.append((k4, k5, k6, k7))374    j = 1375    for i in range(0, (AES_256_ROUNDS - 2), 2):376        k = next_256it_key_a(round_keys[i], round_keys[i + 1], get_rcon(j))377        round_keys.append(k)378        k = next_256it_key_b(round_keys[i + 1], round_keys[i + 2])379        round_keys.append(k)380        j += 1381    # One final key needs to be generated.382    k = next_256it_key_a(round_keys[12], round_keys[13], get_rcon(7))383    round_keys.append(k)384    if VERBOSE:385        print("Input key:")386        print_block((k0, k1, k2, k3))387        print_block((k4, k5, k6, k7))388        print("")389        print("Generated keys:")390        for k in round_keys:391            print_block(k)392        print("")393    return round_keys394#-------------------------------------------------------------------395# get_rcon()396#397# Function implementation of rcon. Calculates rcon for a398# given round. This could be implemented as an iterator.399#-------------------------------------------------------------------400def get_rcon(round):401    rcon = 0x8d402    for i in range(0, round):403        rcon = ((rcon << 1) ^ (0x11b & - (rcon >> 7))) & 0xff404    return rcon405#-------------------------------------------------------------------406# addroundkey()407#408# AES AddRoundKey block operation.409# Perform XOR combination of the given block and the given key.410#-------------------------------------------------------------------411def addroundkey(key, block):412    (w0, w1, w2, w3) = block413    (k0, k1, k2, k3) = key414    res_block = (w0 ^ k0, w1 ^ k1, w2 ^ k2, w3 ^ k3)415    if VERBOSE:416        print("AddRoundKey key, block in and block out:")417        print_block(key)418        print_block(block)419        print_block(res_block)420        print("")421    return res_block422#-------------------------------------------------------------------423# mixw()424#425# Perform bit mixing of the given words.426#-------------------------------------------------------------------427def mixw(w):428    (b0, b1, b2, b3) = w2b(w)429    mb0 = gm2(b0) ^ gm3(b1) ^ b2      ^ b3430    mb1 = b0      ^ gm2(b1) ^ gm3(b2) ^ b3431    mb2 = b0      ^ b1      ^ gm2(b2) ^ gm3(b3)432    mb3 = gm3(b0) ^ b1      ^ b2      ^ gm2(b3)433    return b2w(mb0, mb1, mb2, mb3)434#-------------------------------------------------------------------435# mixcolumns()436#437# AES MixColumns on the given block.438#-------------------------------------------------------------------439def mixcolumns(block):440    (c0, c1, c2, c3) = block441    mc0 = mixw(c0)442    mc1 = mixw(c1)443    mc2 = mixw(c2)444    mc3 = mixw(c3)445    res_block = (mc0, mc1, mc2, mc3)446    if VERBOSE:447        print("MixColumns block in and block out:")448        print_block(block)449        print_block(res_block)450        print("")451    return res_block452#-------------------------------------------------------------------453# subbytes()454#455# AES SubBytes operation on the given block.456#-------------------------------------------------------------------457def subbytes(block):458    (w0, w1, w2, w3) = block459    res_block = (substw(w0), substw(w1), substw(w2), substw(w3))460    if VERBOSE:461        print("SubBytes block in and block out:")462        print_block(block)463        print_block(res_block)464        print("")465    return res_block466#-------------------------------------------------------------------467# shiftrows()468#469# AES ShiftRows block operation.470#-------------------------------------------------------------------471def shiftrows(block):472    (w0, w1, w2, w3) = block473    c0 = w2b(w0)474    c1 = w2b(w1)475    c2 = w2b(w2)476    c3 = w2b(w3)477    ws0 = b2w(c0[0], c1[1],  c2[2],  c3[3])478    ws1 = b2w(c1[0], c2[1],  c3[2],  c0[3])479    ws2 = b2w(c2[0], c3[1],  c0[2],  c1[3])480    ws3 = b2w(c3[0], c0[1],  c1[2],  c2[3])481    res_block = (ws0, ws1, ws2, ws3)482    if VERBOSE:483        print("ShiftRows block in and block out:")484        print_block(block)485        print_block(res_block)486        print("")487    return res_block488#-------------------------------------------------------------------489# aes_encipher()490#491# Perform AES encipher operation for the given block using the492# given key length.493#-------------------------------------------------------------------494def aes_encipher_block(key, block):495    tmp_block = block[:]496    # Get round keys based on the given key.497    if len(key) == 4:498        round_keys = key_gen128(key)499        num_rounds = AES_128_ROUNDS500    else:501        round_keys = key_gen256(key)502        num_rounds = AES_256_ROUNDS503    # Init round504    print("  Initial AddRoundKeys round.")505    tmp_block4 = addroundkey(round_keys[0], block)506    # Main rounds507    for i in range(1 , (num_rounds)):508        print("")509        print("  Round %02d" % i)510        print("  ---------")511        tmp_block1 = subbytes(tmp_block4)512        tmp_block2 = shiftrows(tmp_block1)513        tmp_block3 = mixcolumns(tmp_block2)514        tmp_block4 = addroundkey(round_keys[i], tmp_block3)515    # Final round516    print("  Final round.")517    tmp_block1 = subbytes(tmp_block4)518    tmp_block2 = shiftrows(tmp_block1)519    tmp_block3 = addroundkey(round_keys[num_rounds], tmp_block2)520    return tmp_block3521#-------------------------------------------------------------------522# inv_mixw()523#524# Perform inverse bit mixing of the given words.525#-------------------------------------------------------------------526def inv_mixw(w):527    (b0, b1, b2, b3) = w2b(w)528    mb0 = gm14(b0) ^ gm11(b1) ^ gm13(b2) ^ gm09(b3)529    mb1 = gm09(b0) ^ gm14(b1) ^ gm11(b2) ^ gm13(b3)530    mb2 = gm13(b0) ^ gm09(b1) ^ gm14(b2) ^ gm11(b3)531    mb3 = gm11(b0) ^ gm13(b1) ^ gm09(b2) ^ gm14(b3)532    return b2w(mb0, mb1, mb2, mb3)533#-------------------------------------------------------------------534# inv_mixcolumns()535#536# AES Inverse MixColumns on the given block.537#-------------------------------------------------------------------538def inv_mixcolumns(block):539    (c0, c1, c2, c3) = block540    mc0 = inv_mixw(c0)541    mc1 = inv_mixw(c1)542    mc2 = inv_mixw(c2)543    mc3 = inv_mixw(c3)544    res_block = (mc0, mc1, mc2, mc3)545    if VERBOSE:546        print("Inverse MixColumns block in and block out:")547        print_block(block)548        print_block(res_block)549        print("")550    return res_block551#-------------------------------------------------------------------552# inv_shiftrows()553#554# AES inverse ShiftRows block operation.555#-------------------------------------------------------------------556def inv_shiftrows(block):557    (w0, w1, w2, w3) = block558    c0 = w2b(w0)559    c1 = w2b(w1)560    c2 = w2b(w2)561    c3 = w2b(w3)562    ws0 = b2w(c0[0], c3[1],  c2[2],  c1[3])563    ws1 = b2w(c1[0], c0[1],  c3[2],  c2[3])564    ws2 = b2w(c2[0], c1[1],  c0[2],  c3[3])565    ws3 = b2w(c3[0], c2[1],  c1[2],  c0[3])566    res_block = (ws0, ws1, ws2, ws3)567    if VERBOSE:568        print("Inverse ShiftRows block in and block out:")569        print_block(block)570        print_block(res_block)571        print("")572    return res_block573#-------------------------------------------------------------------574# inv_subbytes()575#576# AES inverse SubBytes operation on the given block.577#-------------------------------------------------------------------578def inv_subbytes(block):579    (w0, w1, w2, w3) = block580    res_block = (inv_substw(w0), inv_substw(w1), inv_substw(w2), inv_substw(w3))581    if VERBOSE:582        print("Inverse SubBytes block in and block out:")583        print_block(block)584        print_block(res_block)585        print("")586    return res_block587#-------------------------------------------------------------------588# aes_decipher()589#590# Perform AES decipher operation for the given block591# using the given key length.592#-------------------------------------------------------------------593def aes_decipher_block(key, block):594    tmp_block = block[:]595    # Get round keys based on the given key.596    if len(key) == 4:597        round_keys = key_gen128(key)598        num_rounds = AES_128_ROUNDS599    else:600        round_keys = key_gen256(key)601        num_rounds = AES_256_ROUNDS602    # Initial round603    print("  Initial, partial round.")604    tmp_block1 = addroundkey(round_keys[len(round_keys) - 1], tmp_block)605    tmp_block2 = inv_shiftrows(tmp_block1)606    tmp_block4 = inv_subbytes(tmp_block2)607    # Main rounds608    for i in range(1 , (num_rounds)):609        print("")610        print("  Round %02d" % i)611        print("  ---------")612        tmp_block1 = addroundkey(round_keys[(len(round_keys) - i - 1)], tmp_block4)613        tmp_block2 = inv_mixcolumns(tmp_block1)614        tmp_block3 = inv_shiftrows(tmp_block2)615        tmp_block4 = inv_subbytes(tmp_block3)616    # Final round617    print("  Final AddRoundKeys round.")618    res_block = addroundkey(round_keys[0], tmp_block4)619    return res_block620#-------------------------------------------------------------------621# test_mixcolumns()622#623# Test the mixcolumns and inverse mixcolumns operations using624# some simple test values.625#-------------------------------------------------------------------626def test_mixcolumns():627    nist_aes128_key = (0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x09cf4f3c)628    print("Test of mixcolumns and inverse mixcolumns:")629    mixresult = mixcolumns(nist_aes128_key)630    inv_mixresult = inv_mixcolumns(mixresult)631    print("Test of mixw ochi inv_mixw:")632    testw = 0xdb135345633    expw  = 0x8e4da1bc634    mixresult = mixw(testw)635    inv_mixresult = inv_mixw(mixresult)636    print("Testword:   0x%08x" % testw)637    print("expexted:   0x%08x" % expw)638    print("mixword:    0x%08x" % mixresult)639    print("invmixword: 0x%08x" % inv_mixresult)640#-------------------------------------------------------------------641# test_aes()642#643# Test the AES implementation with 128 and 256 bit keys.644#-------------------------------------------------------------------645def test_aes():646    nist_aes128_key = (0x2b7e1516, 0x28aed2a6, 0xabf71588, 0x09cf4f3c)647    nist_aes256_key = (0x603deb10, 0x15ca71be, 0x2b73aef0, 0x857d7781,648                       0x1f352c07, 0x3b6108d7, 0x2d9810a3, 0x0914dff4)649    nist_plaintext0 = (0x6bc1bee2, 0x2e409f96, 0xe93d7e11, 0x7393172a)650    nist_plaintext1 = (0xae2d8a57, 0x1e03ac9c, 0x9eb76fac, 0x45af8e51)651    nist_plaintext2 = (0x30c81c46, 0xa35ce411, 0xe5fbc119, 0x1a0a52ef)652    nist_plaintext3 = (0xf69f2445, 0xdf4f9b17, 0xad2b417b, 0xe66c3710)653    nist_exp128_0 = (0x3ad77bb4, 0x0d7a3660, 0xa89ecaf3, 0x2466ef97)654    nist_exp128_1 = (0xf5d3d585, 0x03b9699d, 0xe785895a, 0x96fdbaaf)655    nist_exp128_2 = (0x43b1cd7f, 0x598ece23, 0x881b00e3, 0xed030688)656    nist_exp128_3 = (0x7b0c785e, 0x27e8ad3f, 0x82232071, 0x04725dd4)657    nist_exp256_0 = (0xf3eed1bd, 0xb5d2a03c, 0x064b5a7e, 0x3db181f8)658    nist_exp256_1 = (0x591ccb10, 0xd410ed26, 0xdc5ba74a, 0x31362870)659    nist_exp256_2 = (0xb6ed21b9, 0x9ca6f4f9, 0xf153e7b1, 0xbeafed1d)660    nist_exp256_3 = (0x23304b7a, 0x39f9f3ff, 0x067d8d8f, 0x9e24ecc7)661    print("Doing block encryption.")662    enc_result128_0 = aes_encipher_block(nist_aes128_key, nist_plaintext0)663    enc_result128_1 = aes_encipher_block(nist_aes128_key, nist_plaintext1)664    enc_result128_2 = aes_encipher_block(nist_aes128_key, nist_plaintext2)665    enc_result128_3 = aes_encipher_block(nist_aes128_key, nist_plaintext3)666    enc_result256_0 = aes_encipher_block(nist_aes256_key, nist_plaintext0)667    enc_result256_1 = aes_encipher_block(nist_aes256_key, nist_plaintext1)668    enc_result256_2 = aes_encipher_block(nist_aes256_key, nist_plaintext2)669    enc_result256_3 = aes_encipher_block(nist_aes256_key, nist_plaintext3)670    print("Doing block decryption.")671    dec_result128_0 = aes_decipher_block(nist_aes128_key, nist_exp128_0)672    dec_result128_1 = aes_decipher_block(nist_aes128_key, nist_exp128_1)673    dec_result128_2 = aes_decipher_block(nist_aes128_key, nist_exp128_2)674    dec_result128_3 = aes_decipher_block(nist_aes128_key, nist_exp128_3)675    dec_result256_0 = aes_decipher_block(nist_aes256_key, nist_exp256_0)676    dec_result256_1 = aes_decipher_block(nist_aes256_key, nist_exp256_1)677    dec_result256_2 = aes_decipher_block(nist_aes256_key, nist_exp256_2)678    dec_result256_3 = aes_decipher_block(nist_aes256_key, nist_exp256_3)679    if VERBOSE:680        print("   AES Encipher tests")681        print("   ==================")682        print("Test 0 for AES-128.")683        print("Key:")684        print_key(nist_aes128_key)685        print("Block in:")686        print_block(nist_plaintext0)687        print("Expected block out:")688        print_block(nist_exp128_0)689        print("Got block out:")690        print_block(enc_result128_0)691        print("")692        print("Test 1 for AES-128.")693        print("Key:")694        print_key(nist_aes128_key)695        print("Block in:")696        print_block(nist_plaintext1)697        print("Expected block out:")698        print_block(nist_exp128_1)699        print("Got block out:")700        print_block(enc_result128_1)701        print("")702        print("Test 2 for AES-128.")703        print("Key:")704        print_key(nist_aes128_key)705        print("Block in:")706        print_block(nist_plaintext2)707        print("Expected block out:")708        print_block(nist_exp128_2)709        print("Got block out:")710        print_block(enc_result128_2)711        print("")712        print("Test 3 for AES-128.")713        print("Key:")714        print_key(nist_aes128_key)715        print("Block in:")716        print_block(nist_plaintext3)717        print("Expected block out:")718        print_block(nist_exp128_3)719        print("Got block out:")720        print_block(enc_result128_3)721        print("")722        print("Test 0 for AES-256.")723        print("Key:")724        print_key(nist_aes256_key)725        print("Block in:")726        print_block(nist_plaintext0)727        print("Expected block out:")728        print_block(nist_exp256_0)729        print("Got block out:")730        print_block(enc_result256_0)731        print("")732        print("Test 1 for AES-256.")733        print("Key:")734        print_key(nist_aes256_key)735        print("Block in:")736        print_block(nist_plaintext1)737        print("Expected block out:")738        print_block(nist_exp256_1)739        print("Got block out:")740        print_block(enc_result256_1)741        print("")742        print("Test 2 for AES-256.")743        print("Key:")744        print_key(nist_aes256_key)745        print("Block in:")746        print_block(nist_plaintext2)747        print("Expected block out:")748        print_block(nist_exp256_2)749        print("Got block out:")750        print_block(enc_result256_2)751        print("")752        print("Test 3 for AES-256.")753        print("Key:")754        print_key(nist_aes256_key)755        print("Block in:")756        print_block(nist_plaintext3)757        print("Expected block out:")758        print_block(nist_exp256_3)759        print("Got block out:")760        print_block(enc_result256_3)761        print("")762        print("")763        print("   AES Decipher tests")764        print("   ==================")765        print("Test 0 for AES-128.")766        print("Key:")767        print_key(nist_aes128_key)768        print("Block in:")769        print_block(nist_exp128_0)770        print("Expected block out:")771        print_block(nist_plaintext0)772        print("Got block out:")773        print_block(dec_result128_0)774        print("")775        print("Test 1 for AES-128.")776        print("Key:")777        print_key(nist_aes128_key)778        print("Block in:")779        print_block(nist_exp128_1)780        print("Expected block out:")781        print_block(nist_plaintext1)782        print("Got block out:")783        print_block(dec_result128_1)784        print("")785        print("Test 2 for AES-128.")786        print("Key:")787        print_key(nist_aes128_key)788        print("Block in:")789        print_block(nist_exp128_2)790        print("Expected block out:")791        print_block(nist_plaintext2)792        print("Got block out:")793        print_block(dec_result128_2)794        print("")795        print("Test 3 for AES-128.")796        print("Key:")797        print_key(nist_aes128_key)798        print("Block in:")799        print_block(nist_exp128_3)800        print("Expected block out:")801        print_block(nist_plaintext3)802        print("Got block out:")803        print_block(dec_result128_3)804        print("")805        print("Test 0 for AES-256.")806        print("Key:")807        print_key(nist_aes256_key)808        print("Block in:")809        print_block(nist_exp256_0)810        print("Expected block out:")811        print_block(nist_plaintext0)812        print("Got block out:")813        print_block(dec_result256_0)814        print("")815        print("Test 1 for AES-256.")816        print("Key:")817        print_key(nist_aes256_key)818        print("Block in:")819        print_block(nist_exp256_1)820        print("Expected block out:")821        print_block(nist_plaintext1)822        print("Got block out:")823        print_block(dec_result256_1)824        print("")825        print("Test 2 for AES-256.")826        print("Key:")827        print_key(nist_aes256_key)828        print("Block in:")829        print_block(nist_exp256_2)830        print("Expected block out:")831        print_block(nist_plaintext2)832        print("Got block out:")833        print_block(dec_result256_2)834        print("")835        print("Test 3 for AES-256.")836        print("Key:")837        print_key(nist_aes256_key)838        print("Block in:")839        print_block(nist_exp256_3)840        print("Expected block out:")841        print_block(nist_plaintext3)842        print("Got block out:")843        print_block(dec_result256_3)844        print("")845#-------------------------------------------------------------------846# main()847#848# If executed tests the ChaCha class using known test vectors.849#-------------------------------------------------------------------850def main():851    print("Testing the AES cipher model")852    print("============================")853    print854    # test_mixcolumns()855    test_aes()856#-------------------------------------------------------------------857# __name__...

server.py

Source:server.py

1# Import socket module2from socket import *345def print_block(line, initial=False, final=False):6    DIVISION_LINE = "\n----------------------------------------------------------------"7    if initial:  # checks if the line is the initial line, if so, it prints a DIVISION_LINE to indicate it is initial8        print(DIVISION_LINE)9    print(" -->  "+line)10    if final:  # checks if the line is the final line, if so, it prints a DIVISION_LINE to indicate it is final11        print(DIVISION_LINE)121314# Receive an initialized socket and listens to possible client connections15def listen(server_socket):16    print('# -- The server is listening -- #')17    connection_Socket, address = server_socket.accept()18    return connection_Socket, address192021# Create a TCP server socket22# (AF_INET is used for IPv4 protocols)23# (SOCK_STREAM is used for TCP)2425serverSocket = socket(AF_INET, SOCK_STREAM)2627# Assign a port number28serverPort = 80  # 67892930# Bind the socket to server address and server port3132serverSocket.bind(("127.8.8.8", serverPort))  # the server listens on the port 80 with the ip 127.8.8.83334# Listen to at most 5 connection at a time35serverSocket.listen(5)3637# sometimes a connection is just for the client to communicate that he received a response, this kind of connection can38# be skipped39skip_connection = False4041# Server should be up and running and listening to the incoming connections42while True:43    if skip_connection:44        skip_connection = not skip_connection45        continue46    # Set up a new connection from the client47    connectionSocket, addr = listen(serverSocket)48    print_block(f"Connection established with address: {addr[0]} on Port: {addr[1]}", initial=True)49    # If an exception occurs during the execution of try clause50    # the rest of the clause is skipped51    # If the exception type matches the word after except52    # the except clause is executed53    try:54        # Receives the request message from the client55        message = connectionSocket.recv(1024).decode()56        if message == "":  # make sure that the message is not empty so that it doesn't throw an error57            print_block("Just a useless connection (Client sent empty message)")58            print_block("Connection with client has been closed", final=True)59            continue60        print_block("GET request received")61        # Extract the path of the requested object from the message62        # The path is the second part of HTTP header, identified by [1]63        # Also, because the extracted path of the HTTP request includes a character '\',64        # we read the path from the second character65        filename = message.split()[1][1:]66        print_block(f"Searching for file: {filename}")67        f = open(filename)68        print_block(f"File: {filename} - found!")69        # Store the entire contenet of the requested file in a temporary buffer70        outputdata = f.read()71        # Send the HTTP response header line to the connection socket72        connectionSocket.send("HTTP/1.1 200 OK\r\n\r\n".encode())73        print_block("HTTP response header sent to client")74        # Send the content of the requested file to the connection socket75        print_block("Sending the content of the requested file to the client - STARTED")76        for i in range(0, len(outputdata)):77            connectionSocket.send(outputdata[i].encode())78        connectionSocket.send("\r\n".encode())79        print_block("Sending the content of the requested file to the client - COMPLETED")80        # Close the client connection socket81        connectionSocket.close()82        print_block("Connection with client has been closed", final=True)8384    except IOError:85        print_block(f"Error: File: {filename} NOT FOUND!!!")86        # Send HTTP response message for file not found87        connectionSocket.send("HTTP/1.1 404 Not Found\r\n\r\n".encode())88        connectionSocket.send("<html><head></head><body><h1>404 Not Found</h1></body></html>\r\n".encode())89        print_block("Client informed of the Error")90        # Close the client connection socket91        connectionSocket.close()92        print_block("Connection with client has been closed", final=True)939495serverSocket.close()
...

DiCECounterfactaulWrapper.py

Source:DiCECounterfactaulWrapper.py

...11        self.dice_explainer__ = dice_explainer12        self.feature_names = feature_names13    def run_counterfactual_print_result(self, case):14        return_case = deepcopy(case)15        # print_block("", "Finding counterfactuals...")16        input_data = np.array([case["original_vector"]])17        start_time = time()18        input_df = pd.DataFrame(input_data, columns=self.feature_names)19        self.input_df = input_df20        dice_exp = self.dice_explainer__.generate_counterfactuals(input_df, total_CFs=3, desired_class="opposite",21                                                                  # proximity_weight=1.5, diversity_weight=1.022                                                                  )23        self.dice_exp = dice_exp24        end_time = time()25        time_took = end_time - start_time26        # print_block("Time Took", "%.3f sec" % (time_took))27        if len(dice_exp.final_cfs_df) == 0:28            # print_block("", "No counterfactaul found!")29            return_case['cf'] = [None] * input_data.shape[1]30        else:31            # counterfactual = scaler.inverse_transform(list())32            return_case['cf'] = list(dice_exp.final_cfs_df.iloc[0][:-1])33        return_case['time'] = time_took34        # self.print_counterfactual_results(case, counterfactual)35        return return_case36    def print_counterfactual_results(self, case, counterfactual):37        print_block("Prediction type", case["prediction_type"], mark_times=7)38        print_block("Black box prediction", case["predictions"], mark_times=3)39        print_block("Ground truth", case["ground_truth"], mark_times=5)40        print_block("Oringal input", pd.DataFrame(41            [case["original_vector"]], columns=self.feature_names), mark_times=60)42        print_block("Counterfactual", pd.DataFrame(...

Automation Testing Tutorials

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