前端之家收集整理的这篇文章主要介绍了
golang实现md5、RSA、base64 加密解密，
前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
package tools
import (
"crypto/md5"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/base64"
"encoding/hex"
"encoding/pem"
"errors"
)
const (
base64Table = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
)
var coder = base64.NewEncoding(base64Table)
func Base64Encode(src []byte) []byte {
return []byte(coder.EncodeToString(src))
}
func Base64Decode(src []byte) ([]byte,error) {
return coder.DecodeString(string(src))
}
func RSAEncrypt(origData []byte,publicKey string) ([]byte,error) {
block,_ := pem.Decode([]byte(publicKey))
if block == nil {
return nil,errors.New("public key error")
}
pubInterface,err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return nil,err
}
pub := pubInterface.(*rsa.PublicKey)
return rsa.EncryptPKCS1v15(rand.Reader,pub,origData)
}
func RsaDecrypt(ciphertext []byte,privateKey string) ([]byte,_ := pem.Decode([]byte(privateKey))
if block == nil {
return nil,errors.New("private key error!")
}
priv,err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil,err
}
return rsa.DecryptPKCS1v15(rand.Reader,priv,ciphertext)
}
func Md5Encrypt(data string) string {
md5Ctx := md5.New() //md5 init
md5Ctx.Write([]byte(data)) //md5 updata
cipherStr := md5Ctx.Sum(nil) //md5 final
encryptedData := hex.EncodeToString(cipherStr) //hex_digest
return encryptedData
}
