stream cipher

noun 0.731

cipher

noun 0.728

ciphering

noun 0.673

encryption

noun 0.641

ciphertext

noun 0.628

cryptographer

noun 0.604

substitution cipher

noun 0.600

cryptography

noun 0.593

cryptology

noun 0.574

cryptogram

noun 0.571

cryptologist

noun 0.566

crypt

noun 0.562

cryptosystem

noun 0.562

crypto

noun 0.557

codebreaking

noun 0.553

cryptanalysis

noun 0.543

decrypt

noun 0.530

codec

noun 0.527

cryptanalyst

noun 0.525

decryption

noun 0.522

block

noun 0.513

codeword

noun 0.511

cryptate

noun 0.509

coder

noun 0.507

cryptonym

noun 0.505

cryptand

noun 0.504

decipherer

noun 0.500

chain code

noun 0.500