xor

Documentation

Index

• func FindSingleByteCiphertext(cts [][]byte) []byte
• func RecoverRepeatingKey(ct []byte, a, b int) []byte
• func RecoverSingleByteKey(ct []byte) byte
• func RecoverSingleBytePlaintext(ct []byte) []byte

Functions

func FindSingleByteCiphertext

func FindSingleByteCiphertext(cts [][]byte) []byte

FindSingleByteCiphertext finds the ciphertext most likely to be single-byte xor'd.

func RecoverRepeatingKey

func RecoverRepeatingKey(ct []byte, a, b int) []byte

RecoverRepeatingKey recovers the key from a repeating-key xor'd ciphertext. It assumes the key size is between a and b inclusive.

It panics if a > b.

TODO: It also panics if 8 * b > len(ct). Fix that.

func RecoverSingleByteKey

func RecoverSingleByteKey(ct []byte) byte

RecoverSingleByteKey recovers the key of a single-byte xor'd ciphertext.

func RecoverSingleBytePlaintext

func RecoverSingleBytePlaintext(ct []byte) []byte

RecoverSingleBytePlaintext recovers the plaintext from a single-byte xor'd ciphertext.