/
hsrsa.go
107 lines (97 loc) · 2.79 KB
/
hsrsa.go
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package hsrsa
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/base64"
"encoding/pem"
"errors"
"fmt"
)
/**
RSA Demo[配置你可以提出来]
@author Bill
*/
var decrypted string
func init() {
}
func usage() {
var data []byte
var err error
if decrypted != "" {
data, err = base64.StdEncoding.DecodeString(decrypted)
if err != nil {
panic(err)
}
} else {
data, err = RsaEncrypt([]byte("polaris@studygolang.com"))
if err != nil {
panic(err)
}
fmt.Println("rsa encrypt base64:" + base64.StdEncoding.EncodeToString(data))
}
origData, err := RsaDecrypt(data)
if err != nil {
panic(err)
}
fmt.Println(string(origData))
}
// 公钥和私钥可以从文件中读取
var privateKey = []byte(`
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
`)
var publicKey = []byte(`
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCiAf7dzSYjXJQ28cqslEWj0Xj1
C6zm1ccRAsYDesR/6y/Lbi2vIBdMLLin+jD+ogfdWN/4MUsY1wTf/WVRyQQdpZoU
QgKSPBVES1tUSOEVVgEq8iATk+5yycO2A00MnfqzFU9URYrReFleTfCIqUoVjSIh
jtF+7uN9dO3AblAViwIDAQAB
-----END PUBLIC KEY-----
`)
// RsaEncrypt 加密
func RsaEncrypt(origData []byte) ([]byte, error) {
block, _ := pem.Decode(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)
}
// RsaDecrypt 解密
func RsaDecrypt(ciphertext []byte) ([]byte, error) {
block, _ := pem.Decode(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 HttpRawRsaDecrypt(ciphertext string) (string, bool) {
dText, _ := base64.StdEncoding.DecodeString(ciphertext)
origData, err := RsaDecrypt(dText)
if err != nil {
return "", false
}
return string(origData), true
}