Files
rakshasa/cert/tls.go
T
2023-04-02 21:43:50 +08:00

133 lines
3.4 KiB
Go

package cert
import (
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
_ "embed"
"encoding/base64"
"encoding/pem"
"log"
"github.com/farmerx/gorsa"
)
//go:embed server.crt
var rsaCert []byte
//go:embed server.key
var RsaPrivateKey []byte
var Tlsconfig *tls.Config
func init() {
//内置证书
cert, err := tls.X509KeyPair(rsaCert, RsaPrivateKey)
if err != nil {
log.Panicln(err)
return
}
certPool := x509.NewCertPool()
if ok := certPool.AppendCertsFromPEM(rsaCert); !ok {
log.Panicln("PEM err")
return
}
Tlsconfig = &tls.Config{
Certificates: []tls.Certificate{cert},
InsecureSkipVerify: true,
RootCAs: certPool,
ClientAuth: tls.RequireAndVerifyClientCert,
ClientCAs: certPool,
MaxVersion: tls.VersionTLS12,
MinVersion: tls.VersionTLS12,
CipherSuites: []uint16{
tls.TLS_AES_128_GCM_SHA256,
tls.TLS_CHACHA20_POLY1305_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
},
}
}
//go:embed public.pem
var publicKey []byte
var privateKey []byte
// 使用公钥进行加密
func RSAEncrypter(msg []byte) []byte {
block, _ := pem.Decode(publicKey)
pub, _ := x509.ParsePKIXPublicKey(block.Bytes)
cipherText, _ := rsa.EncryptPKCS1v15(rand.Reader, pub.(*rsa.PublicKey), msg)
return cipherText
}
func RSAEncrypterStr(msg string) string {
block, _ := pem.Decode(publicKey)
pub, _ := x509.ParsePKIXPublicKey(block.Bytes)
cipherText, _ := rsa.EncryptPKCS1v15(rand.Reader, pub.(*rsa.PublicKey), []byte(msg))
return base64.StdEncoding.EncodeToString(cipherText)
}
// 使用私钥进行解密
func RSADecrypter(cipherText []byte) []byte {
if block, _ := pem.Decode(privateKey); block != nil {
p, _ := x509.ParsePKCS1PrivateKey(block.Bytes)
afterDecrypter, _ := rsa.DecryptPKCS1v15(rand.Reader, p, cipherText)
return afterDecrypter
}
return []byte{}
}
func RSADecrypterStr(cipherText string) string {
if block, _ := pem.Decode(privateKey); block != nil {
p, _ := x509.ParsePKCS1PrivateKey(block.Bytes)
b, _ := base64.StdEncoding.DecodeString(cipherText)
afterDecrypter, _ := rsa.DecryptPKCS1v15(rand.Reader, p, b)
return string(afterDecrypter)
}
return ""
}
func RSAEncrypterByPriv(msg string) string {
prienctypt, _ := gorsa.RSA.PriKeyENCTYPT([]byte(msg))
return base64.StdEncoding.EncodeToString(prienctypt)
}
func RSAEncrypterByPrivByte(msg []byte) []byte {
prienctypt, _ := gorsa.RSA.PriKeyENCTYPT([]byte(msg))
return prienctypt
}
func RSADecrypterByPub(cipherText string) string {
b, _ := base64.StdEncoding.DecodeString(cipherText)
pubdecrypt, _ := gorsa.RSA.PubKeyDECRYPT(b)
return string(pubdecrypt)
}
func RSADecrypterByPubByte(cipherText []byte) []byte {
pubdecrypt, _ := gorsa.RSA.PubKeyDECRYPT(cipherText)
return pubdecrypt
}
func init() {
if err := gorsa.RSA.SetPublicKey(string(publicKey)); err != nil {
log.Fatalln("无法加载publicKey,请检查public.pem")
}
if len(privateKey) > 0 {
//fullnode
if err := gorsa.RSA.SetPrivateKey(string(privateKey)); err != nil {
log.Fatalln("无法加载privateKey,请检查private.go")
}
test := "hello world"
if RSADecrypterByPub(RSAEncrypterByPriv(test)) != test {
log.Fatalln("当前内置的public.pem 与 private.pem 无法正常加密解密")
}
}
}