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cert.go
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cert.go
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package main
import (
"bytes"
"crypto/ecdsa"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"errors"
"io"
)
func encodeECDSAKey(w io.Writer, key *ecdsa.PrivateKey) error {
b, err := x509.MarshalECPrivateKey(key)
if err != nil {
return err
}
pb := &pem.Block{Type: "EC PRIVATE KEY", Bytes: b}
return pem.Encode(w, pb)
}
func getPrivateKey(tlscert *tls.Certificate) (string, error) {
var buf bytes.Buffer
switch key := tlscert.PrivateKey.(type) {
case *ecdsa.PrivateKey:
if err := encodeECDSAKey(&buf, key); err != nil {
return "", err
}
case *rsa.PrivateKey:
b := x509.MarshalPKCS1PrivateKey(key)
pb := &pem.Block{Type: "RSA PRIVATE KEY", Bytes: b}
if err := pem.Encode(&buf, pb); err != nil {
return "", err
}
default:
return "", errors.New("Unknown private key type")
}
return string(buf.Bytes()), nil
}
func getCertificates(tlscert *tls.Certificate) (string, error) {
var buf bytes.Buffer
for _, b := range tlscert.Certificate {
pb := &pem.Block{Type: "CERTIFICATE", Bytes: b}
if err := pem.Encode(&buf, pb); err != nil {
return "", err
}
}
return string(buf.Bytes()), nil
}