package unionpay import ( "crypto/rsa" "crypto/x509" "encoding/pem" "errors" "fmt" "io/ioutil" "golang.org/x/crypto/pkcs12" ) // getPublicCert 获取加密证书信息 func getPublicCert(filename string) (cert *x509.Certificate, data []byte, err error) { data, err = ioutil.ReadFile(filename) if err != nil { return } block, _ := pem.Decode(data) if block == nil { err = errors.New(`pem Decode error`) return } cert, err = x509.ParseCertificate(block.Bytes) return } // getPrivateCert 获取签名证书信息 func getPrivateCert(filename, password string) (key *rsa.PrivateKey, cert *x509.Certificate, err error) { var ( bs []byte private interface{} ) bs, err = ioutil.ReadFile(filename) if err != nil { fmt.Println(err) return } /* block, _ := pem.Decode(bs) if block == nil { err = errors.New(`PrivateKey pem Decode error`) return } cert = &x509.Certificate{} private, err = x509.ParsePKCS8PrivateKey(block.Bytes) // */ //* private, cert, err = pkcs12.Decode(bs, password) if err != nil { return } //fmt.Println(cert.SerialNumber) // */ key = private.(*rsa.PrivateKey) return }