cert-manager/pkg/util/pki/parse.go
2017-11-03 16:41:39 +00:00

47 lines
1.3 KiB
Go

package pki
import (
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"github.com/jetstack/cert-manager/pkg/util/errors"
)
func DecodePKCS1PrivateKeyBytes(keyBytes []byte) (*rsa.PrivateKey, error) {
// decode the private key pem
block, _ := pem.Decode(keyBytes)
if block == nil {
return nil, errors.NewInvalidData("error decoding private key PEM block")
}
// parse the private key
key, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return nil, errors.NewInvalidData("error parsing private key: %s", err.Error())
}
// validate the private key
if err = key.Validate(); err != nil {
return nil, errors.NewInvalidData("private key failed validation: %s", err.Error())
}
return key, nil
}
func DecodeX509CertificateBytes(certBytes []byte) (*x509.Certificate, error) {
// decode the tls certificate pem
block, _ := pem.Decode(certBytes)
if block == nil {
return nil, errors.NewInvalidData("error decoding cert PEM block")
}
// parse the tls certificate
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return nil, errors.NewInvalidData("error parsing TLS certificate: %s", err.Error())
}
return cert, nil
}
func DecodeDERCertificateBytes(derBytes []byte) (*x509.Certificate, error) {
return x509.ParseCertificate(derBytes)
}