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Configuration error
Configuration error
File size: 3,867 Bytes
e5ba844 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | import random
def xor_encrypt_decrypt(data, key):
return ''.join(chr(ord(c) ^ key) for c in data)
def simple_permutation(data, perm):
return ''.join(data[i] for i in perm)
def insert_chars(data, chars):
mixed = list(data)
for char in chars:
position = random.randint(0, len(mixed))
mixed.insert(position, char)
return ''.join(mixed)
def swap_positions(data, swap_indices):
data_list = list(data)
for idx1, idx2 in swap_indices:
data_list[idx1], data_list[idx2] = data_list[idx2], data_list[idx1]
return ''.join(data_list)
def encrypt(plain_text, key, insert_chars_list):
xor_encrypted = xor_encrypt_decrypt(plain_text, key)
mixed_text = insert_chars(xor_encrypted, insert_chars_list)
swap_indices = [(0, 1), (2, 3)]
swapped_text = swap_positions(mixed_text, swap_indices)
permutation = list(range(len(swapped_text)))
random.shuffle(permutation)
permuted_text = simple_permutation(swapped_text, permutation)
permuted_text = permuted_text.replace('"', '?')
return permuted_text, swap_indices, permutation
def encrypt_aws(plain_text, key, insert_chars_list="xyyuyyyui"):
xor_encrypted = xor_encrypt_decrypt(plain_text, key)
mixed_text = insert_chars(xor_encrypted, insert_chars_list)
swap_indices = [(0, 1), (2, 3)]
swapped_text = swap_positions(mixed_text, swap_indices)
permutation = [18, 21, 1, 25, 27, 8, 19, 12, 16, 22, 10, 7, 3, 11, 4, 24, 15, 20, 23, 13, 2, 26, 17, 14, 28, 0, 6, 5, 9]
permuted_text = simple_permutation(swapped_text, permutation)
permuted_text = permuted_text.replace('"', '?')
return permuted_text, swap_indices, permutation
def encrypt_ec2(plain_text, key, insert_chars_list="xyyuyyyui"):
xor_encrypted = xor_encrypt_decrypt(plain_text, key)
mixed_text = insert_chars(xor_encrypted, insert_chars_list)
swap_indices = [(0, 1), (2, 3)]
swapped_text = swap_positions(mixed_text, swap_indices)
permutation = [7, 28, 1, 26, 0, 9, 23, 6, 10, 25, 24, 20, 3, 21, 18, 5, 27, 15, 8, 4, 2, 11, 12, 22, 19, 17, 16, 14, 13]
permuted_text = simple_permutation(swapped_text, permutation)
permuted_text = permuted_text.replace('"', '?')
return permuted_text, swap_indices, permutation
def decrypt(encrypted_text, key, swap_indices, permutation, insert_chars_list):
reverse_permutation = sorted(range(len(permutation)), key=lambda x: permutation[x])
permuted_text = simple_permutation(encrypted_text, reverse_permutation)
swapped_text = swap_positions(permuted_text, swap_indices)
for char in insert_chars_list:
swapped_text = swapped_text.replace(char, '', 1)
decrypted = xor_encrypt_decrypt(swapped_text, key)
return decrypted
def decrypt_new(encrypted_text, key, swap_indices, permutation, insert_chars_list):
encrypted_text = encrypted_text.replace('?', '"')
reverse_permutation = sorted(range(len(permutation)), key=lambda x: permutation[x])
permuted_text = simple_permutation(encrypted_text, reverse_permutation)
swapped_text = swap_positions(permuted_text, swap_indices)
for char in insert_chars_list:
swapped_text = swapped_text.replace(char, '', 1)
decrypted = xor_encrypt_decrypt(swapped_text, key)
return decrypted
if __name__ == "__main__":
original_message = "*"
key = 123
insert_chars_list = "xyyuyyyui"
print("Original Message:", original_message)
encrypted_message, swap_indices, permutation = encrypt(original_message, key, insert_chars_list)
print("Encrypted Message:", encrypted_message)
print(swap_indices,permutation)
decrypted_message = decrypt_new("?y:LN1*,y#-02y:iyHx)u9?#y0?#u", key, [(0, 1), (2, 3)], [18, 21, 1, 25, 27, 8, 19, 12, 16, 22, 10, 7, 3, 11, 4, 24, 15, 20, 23, 13, 2, 26, 17, 14, 28, 0, 6, 5, 9], insert_chars_list)
print("Decrypted Message:", decrypted_message) |