set-1/

Detect single-character XOR One of the 60-character strings in this file has been encrypted by single-character XOR.

Implement repeating-key XOR Here is the opening stanza of an important work of the English language: Burning 'em, if you ain't quick and nimble I go crazy when I hear a cymbal Encrypt it, under the key "ICE", using repeating-key XOR.