go_study/fabric-main/orderer/mocks/util/util.go

57 lines
1.1 KiB
Go

/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package util
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"math/big"
)
// GenerateMockPublicPrivateKeyPairPEM returns public/private key pair encoded
// as PEM strings.
func GenerateMockPublicPrivateKeyPairPEM(isCA bool) (string, string, error) {
privateKey, err := rsa.GenerateKey(rand.Reader, 1024)
if err != nil {
return "", "", err
}
privateKeyPEM := string(pem.EncodeToMemory(
&pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(privateKey),
},
))
template := x509.Certificate{
SerialNumber: big.NewInt(100),
Subject: pkix.Name{
Organization: []string{"Hyperledger Fabric"},
},
}
if isCA {
template.IsCA = true
template.KeyUsage |= x509.KeyUsageCertSign
}
publicKeyCert, err := x509.CreateCertificate(rand.Reader, &template, &template, privateKey.Public(), privateKey)
if err != nil {
return "", "", err
}
publicKeyCertPEM := string(pem.EncodeToMemory(
&pem.Block{
Type: "CERTIFICATE",
Bytes: publicKeyCert,
},
))
return publicKeyCertPEM, privateKeyPEM, nil
}