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feat: 使用ed25519生成自签名证书

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耗子
2025-01-02 18:01:17 +08:00
parent 3022c91eb3
commit 8e3d929def
1 changed files with 49 additions and 15 deletions
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64
pkg/cert/cert.go
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@@ -95,10 +95,12 @@ func EncodeKey(key crypto.Signer) ([]byte, error) {
// GenerateSelfSigned 生成自签名证书
func GenerateSelfSigned(names []string) (cert []byte, key []byte, err error) {
rootPrivateKey, err := rsa.GenerateKey(rand.Reader, 4096)
// 生成根密钥对
rootPublicKey, rootPrivateKey, err := ed25519.GenerateKey(rand.Reader)
if err != nil {
return nil, nil, err
}
var ips []net.IP
ip := false
for _, item := range names {
@@ -113,44 +115,63 @@ func GenerateSelfSigned(names []string) (cert []byte, key []byte, err error) {
SerialNumber: big.NewInt(1),
Subject: pkix.Name{CommonName: "Rat Panel Root CA"},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(40, 0, 0),
NotAfter: time.Now().AddDate(25, 0, 0),
BasicConstraintsValid: true,
IsCA: true,
KeyUsage: x509.KeyUsageCertSign,
SignatureAlgorithm: x509.PureEd25519,
}
rootCertBytes, _ := x509.CreateCertificate(rand.Reader, &rootTemplate, &rootTemplate, &rootPrivateKey.PublicKey, rootPrivateKey)
rootCertBytes, err := x509.CreateCertificate(rand.Reader, &rootTemplate, &rootTemplate, rootPublicKey, rootPrivateKey)
if err != nil {
return nil, nil, err
}
rootCertBlock := &pem.Block{
Type: "CERTIFICATE",
Bytes: rootCertBytes,
}
interPrivateKey, _ := rsa.GenerateKey(rand.Reader, 4096)
// 生成中间证书密钥对
interPublicKey, interPrivateKey, err := ed25519.GenerateKey(rand.Reader)
if err != nil {
return nil, nil, err
}
interTemplate := x509.Certificate{
SerialNumber: big.NewInt(2),
Subject: pkix.Name{CommonName: "Rat Panel CA"},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(30, 0, 0),
NotAfter: time.Now().AddDate(1, 1, 0),
BasicConstraintsValid: true,
IsCA: true,
KeyUsage: x509.KeyUsageCertSign,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
SignatureAlgorithm: x509.PureEd25519,
}
interCertBytes, _ := x509.CreateCertificate(rand.Reader, &interTemplate, &rootTemplate, &interPrivateKey.PublicKey, rootPrivateKey)
interCertBytes, err := x509.CreateCertificate(rand.Reader, &interTemplate, &rootTemplate, interPublicKey, rootPrivateKey)
if err != nil {
return nil, nil, err
}
interCertBlock := &pem.Block{
Type: "CERTIFICATE",
Bytes: interCertBytes,
}
clientPrivateKey, _ := rsa.GenerateKey(rand.Reader, 4096)
// 生成客户端证书密钥对
clientPublicKey, clientPrivateKey, err := ed25519.GenerateKey(rand.Reader)
if err != nil {
return nil, nil, err
}
clientTemplate := x509.Certificate{
SerialNumber: big.NewInt(3),
Subject: pkix.Name{CommonName: "Rat Panel"},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(20, 0, 0),
KeyUsage: x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
SerialNumber: big.NewInt(3),
Subject: pkix.Name{CommonName: "Rat Panel"},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(1, 1, 0),
KeyUsage: x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
SignatureAlgorithm: x509.PureEd25519,
}
if ip {
clientTemplate.IPAddresses = ips
@@ -158,16 +179,29 @@ func GenerateSelfSigned(names []string) (cert []byte, key []byte, err error) {
clientTemplate.DNSNames = names
}
clientCertBytes, _ := x509.CreateCertificate(rand.Reader, &clientTemplate, &interTemplate, &clientPrivateKey.PublicKey, interPrivateKey)
clientCertBytes, err := x509.CreateCertificate(rand.Reader, &clientTemplate, &interTemplate, clientPublicKey, interPrivateKey)
if err != nil {
return nil, nil, err
}
clientCertBlock := &pem.Block{
Type: "CERTIFICATE",
Bytes: clientCertBytes,
}
// 拼接证书链
cert = append(cert, pem.EncodeToMemory(clientCertBlock)...)
cert = append(cert, pem.EncodeToMemory(interCertBlock)...)
cert = append(cert, pem.EncodeToMemory(rootCertBlock)...)
key = pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(clientPrivateKey)})
// 编码私钥
privateKeyBytes, err := x509.MarshalPKCS8PrivateKey(clientPrivateKey)
if err != nil {
return nil, nil, err
}
key = pem.EncodeToMemory(&pem.Block{
Type: "PRIVATE KEY",
Bytes: privateKeyBytes,
})
return cert, key, nil
}