README.md

perm-crypt

A Golang implementation of the AES-FFX Format-Preserving Encryption Scheme

Installation

$ go get github.com/roasbeef/perm-crypt

Example Usage

key, _ := hex.DecodeString("2b7e151628aed2a6abf7158809cf4f3c")

tweak := []byte("9876543210")

plainString := "0123456789"

ffx, _ := aesffx.NewCipher(10, key, tweak)

cipher, _ := ffx.Encrypt(plainString)

plain, _ := ffx.Decrypt(cipher)
	

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WARNING: You probably shouldn't use this in a production environment. This lib was created primarily as yak-shaving for a research project.