| Server IP : 162.240.98.243 / Your IP : 18.190.160.106 Web Server : Apache System : Linux server.bti.yaw.mybluehostin.me 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64 User : btiyawmy ( 1003) PHP Version : 7.2.34 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/share/doc/python2-cryptography-1.7.2/docs/development/custom-vectors/idea/ |
Upload File : |
import binascii
import botan
from tests.utils import load_nist_vectors
BLOCK_SIZE = 64
def encrypt(mode, key, iv, plaintext):
encryptor = botan.Cipher("IDEA/{0}/NoPadding".format(mode), "encrypt",
binascii.unhexlify(key))
cipher_text = encryptor.cipher(binascii.unhexlify(plaintext),
binascii.unhexlify(iv))
return binascii.hexlify(cipher_text)
def verify_vectors(mode, filename):
with open(filename, "r") as f:
vector_file = f.read().splitlines()
vectors = load_nist_vectors(vector_file)
for vector in vectors:
ct = encrypt(
mode,
vector["key"],
vector["iv"],
vector["plaintext"]
)
assert ct == vector["ciphertext"]
cbc_path = "tests/hazmat/primitives/vectors/ciphers/IDEA/idea-cbc.txt"
verify_vectors("CBC", cbc_path)
ofb_path = "tests/hazmat/primitives/vectors/ciphers/IDEA/idea-ofb.txt"
verify_vectors("OFB", ofb_path)
cfb_path = "tests/hazmat/primitives/vectors/ciphers/IDEA/idea-cfb.txt"
verify_vectors("CFB", cfb_path)