package crypt import ( "crypto/aes" "encoding/base64" ) func AesEncrypt(data []byte, key []byte) (string, error) { a, err := aes.NewCipher(key) if err != nil { return "", err } en := make([]byte, len(data)) a.Encrypt(en, data) return base64.StdEncoding.EncodeToString(en), nil } func AesDecrypt(data string, key []byte) (string, error) { d, err := base64.StdEncoding.DecodeString(data) if err != nil { return "", err } a, err := aes.NewCipher(key) if err != nil { return "", err } de := make([]byte, len(data)) a.Decrypt(de, d) return string(de), nil }