// Copyright © 2021 siddharth ravikumar // SPDX-License-Identifier: ISC package challenge import ( "fmt" "ricketyspace.net/cryptopals/lib" ) func C5() { icebaby := lib.StrToBytes(`Burning 'em, if you ain't quick and nimble I go crazy when I hear a cymbal`) key := lib.StrToBytes("ICE") eb := lib.RepeatingXOR(icebaby, key) hs := lib.AsciiStrToHexStr(lib.BytesToStr(eb)) fmt.Printf("RepeatingXOR('%s', '%s') = %v\n", icebaby, key, hs) } // Output: // // RepeatingXOR('Burning 'em, if you ain't quick and nimble // I go crazy when I hear a cymbal', 'ICE') = 0b3637272a2b2e63622c2e69692a23693a2a3c6324202d623d63343c2a26226324272765272a282b2f20430a652e2c652a3124333a653e2b2027630c692b20283165286326302e27282f