def decrypt(filename, k_size, pwd):
M_SIZE = 4
msg = filename
key_size = k_size
key = [[184, 18, 29, 158], [123, 45, 253, 202], [254, 124, 64, 32],
[86, 54, 48, 68]]
m = segmess.segmess(msg)
m_size = len(m)
print("Decrytpion for %s" % (msg))
print(m)
# Inversion:
mc1 = m
mc2 = m
mc3 = m
mc4 = m
# InvAddRoundKey:
for cpt in range(m_size):
mc1[cpt] = addRoundKey.addRoundKey(m[cpt], key)
# InvMixColumns:
for cpt in range(m_size):
mc2[cpt] = mixColumns.invMixColumns(mc1[cpt])
# InvShiftRows:
for cpt in range(m_size):
mc3[cpt] = shiftRows.invShiftRows(mc2[cpt], key_size)
# InvSubBytes:
for cpt in range(m_size):
mc4[cpt] = subBytes.invSubBytes(mc3[cpt])
c_filename = filename + ".clr"
segmess.invSegmessClr(mc4, c_filename)
print("Decrypted message:")
print(mc4)
def decrypt(filename, k_size, pwd):
M_SIZE = 4
msg = filename
key_size = k_size
key = [[184, 18, 29, 158], [123, 45, 253, 202], [254, 124, 64, 32], [86, 54, 48, 68]]
m = segmess.segmess(msg)
m_size = len(m)
print("Decrytpion for %s" % (msg))
print(m)
# Inversion:
mc1 = m
mc2 = m
mc3 = m
mc4 = m
# InvAddRoundKey:
for cpt in range(m_size):
mc1[cpt] = addRoundKey.addRoundKey(m[cpt], key)
# InvMixColumns:
for cpt in range(m_size):
mc2[cpt] = mixColumns.invMixColumns(mc1[cpt])
# InvShiftRows:
for cpt in range(m_size):
mc3[cpt] = shiftRows.invShiftRows(mc2[cpt], key_size)
# InvSubBytes:
for cpt in range(m_size):
mc4[cpt] = subBytes.invSubBytes(mc3[cpt])
c_filename = filename + ".clr"
segmess.invSegmessClr(mc4, c_filename)
print("Decrypted message:")
print(mc4)
def crypt(filename, k_size, pwd):
M_SIZE = 4
msg = filename
key_size = k_size
key = [[184, 18, 29, 158], [123, 45, 253, 202], [254, 124, 64, 32], [86, 54, 48, 68], [184, 18, 29, 158], [123, 45, 253, 202], [254, 124, 64, 32], [86, 54, 48, 68]]
m = segmess.segmess(msg)
m_size = len(m)
print("Encrytpion for %s" % (msg))
print(m)
# Tempo array definition
c1 = m
c2 = m
c3 = m
c4 = m
# SubBytes:
for cpt in range(m_size):
c1[cpt] = subBytes.subBytes(m[cpt])
# ShiftRows:
for cpt in range(m_size):
c2[cpt] = shiftRows.shiftRows(c1[cpt], key_size)
# MixColumns:
for cpt in range(m_size):
c3[cpt] = mixColumns.mixColumns(c2[cpt])
# AddRoundKey:
for cpt in range(m_size):
c4[cpt] = addRoundKey.addRoundKey(c3[cpt], key)
print("Encrypted message:")
print(c4)
c_filename = filename + ".chif"
segmess.invSegmessChiff(c4, c_filename)
# ==================== Test: Inversion ===================
print("\nDecryption checking...")
mc1 = m
mc2 = m
mc3 = m
mc4 = m
# InvAddRoundKey:
for cpt in range(m_size):
mc1[cpt] = addRoundKey.addRoundKey(c4[cpt], key)
# InvMixColumns:
for cpt in range(m_size):
mc2[cpt] = mixColumns.invMixColumns(c1[cpt])
# InvShiftRows:
for cpt in range(m_size):
mc3[cpt] = shiftRows.invShiftRows(mc2[cpt], key_size)
# InvSubBytes:
for cpt in range(m_size):
mc4[cpt] = subBytes.invSubBytes(mc3[cpt])
print("Decrypted message:")
print(mc4)
def crypt(filename, k_size, pwd):
M_SIZE = 4
msg = filename
key_size = k_size
key = [[184, 18, 29, 158], [123, 45, 253, 202], [254, 124, 64, 32],
[86, 54, 48, 68], [184, 18, 29, 158], [123, 45, 253, 202],
[254, 124, 64, 32], [86, 54, 48, 68]]
m = segmess.segmess(msg)
m_size = len(m)
print("Encrytpion for %s" % (msg))
print(m)
# Tempo array definition
c1 = m
c2 = m
c3 = m
c4 = m
# SubBytes:
for cpt in range(m_size):
c1[cpt] = subBytes.subBytes(m[cpt])
# ShiftRows:
for cpt in range(m_size):
c2[cpt] = shiftRows.shiftRows(c1[cpt], key_size)
# MixColumns:
for cpt in range(m_size):
c3[cpt] = mixColumns.mixColumns(c2[cpt])
# AddRoundKey:
for cpt in range(m_size):
c4[cpt] = addRoundKey.addRoundKey(c3[cpt], key)
print("Encrypted message:")
print(c4)
c_filename = filename + ".chif"
segmess.invSegmessChiff(c4, c_filename)
# ==================== Test: Inversion ===================
print("\nDecryption checking...")
mc1 = m
mc2 = m
mc3 = m
mc4 = m
# InvAddRoundKey:
for cpt in range(m_size):
mc1[cpt] = addRoundKey.addRoundKey(c4[cpt], key)
# InvMixColumns:
for cpt in range(m_size):
mc2[cpt] = mixColumns.invMixColumns(c1[cpt])
# InvShiftRows:
for cpt in range(m_size):
mc3[cpt] = shiftRows.invShiftRows(mc2[cpt], key_size)
# InvSubBytes:
for cpt in range(m_size):
mc4[cpt] = subBytes.invSubBytes(mc3[cpt])
print("Decrypted message:")
print(mc4)
