| Server IP : 51.89.169.208 / Your IP : 216.73.216.211 Web Server : Apache System : Linux ns3209505.ip-198-244-202.eu 4.18.0-553.27.1.el8_10.x86_64 #1 SMP Tue Nov 5 04:50:16 EST 2024 x86_64 User : yellowleaf ( 1019) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/share/doc/python3-cryptography/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)