ome useful ctf crypto functions:

• atbash_encode(m)
• atbash_decode(c)
• urlencode(m)
• urldecode(c)
• morseencode(decoded)
• morsedecode(encoded)
• shift_encrypt(m,k)
• shift_decrypt(c,k)
• zhalan_encrypt(m,k)
• zhalan_decrypt(c,k)
• caesar_128_encrypt(m,k)
• caesar_128_decrypt(c,k)
• caesar_128_brute(c,match_str)
• caesar_128_bruteall(c)
• rot13(m)
• caesar_alphabet_encrypt(m,k)
• caesar_alphabet_decrypt(c,k)
• caesar_alphabet_brute(c,match_str)
• caesar_alphabet_bruteall(c)
• substitution_encode(m,k,origin="abcdefghijklmnopqrstuvwxyz")
• substitution_decode(c,k,origin="abcdefghijklmnopqrstuvwxyz")
• affine_encode(m,a,b,origin="abcdefghijklmnopqrstuvwxyz")
• affine_decode(c,a,b,origin="abcdefghijklmnopqrstuvwxyz")
• affine_brute(c,origin="abcdefghijklmnopqrstuvwxyz")
• affine_guessab(m1,c1,m2,c2,origin="abcdefghijklmnopqrstuvwxyz")
• gen_cheese_map(k,use_Q=True,upper=True)
• playfair_encode(m,k="",cheese_map=[])
• playfair_decore(c,k="",cheese_map=[])
• polybius_encode(m,k="",name="ADFGX",cheese_map=[])
• polybius_decode(c,k="",name="ADFGX",cheese_map=[])
• c01248_decode(c)
• des_encrypt_ecb(m,key)
• des_decrypt_ecb(c,key)
• des_encrypt_cbc(m,key,iv)
• des_decrypt_ecb(c,key,iv)
• aes_encrypt_ecb(m,key)
• aes_decrypt_ecb(c,key)
• aes_encrypt_cbc(m,key,iv)
• aes_decrypt_ecb(c,key,iv)
• cbc_bit_attack_mul(c,m,position,target)
• cbc_chosen_cipher_recover_iv(cc,mm)
• modinv(a,n)
• gcd(a,b)
• relate_message_attack(a, b, c1, c2, n)
• brute_m_with_low_e(c,n,e)
• same_n_sttack(n,e1,e2,c1,c2)
• broadcast_attack(data)