1 files changed, 58 insertions, 0 deletions
diff --git a/pkg/certificate/certificate.go b/pkg/certificate/certificate.go
new file mode 100644
index 0000000..187fb1c
--- /dev/null
+++ b/pkg/certificate/certificate.go
@@ -0,0 +1,58 @@
+// Copyright 2015 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package certificate provide helpers to manipulate certificates.
+package certificate
+
+import (
+	"crypto/rsa"
+	"crypto/x509"
+	"fmt"
+)
+
+// Bundle represents a pair of private key and certificate.
+type Bundle struct {
+	Name string
+	Key  *rsa.PrivateKey
+	Cert *x509.Certificate
+}
+
+// Raw returns the raw bytes for the private key and certificate.
+func (b *Bundle) Raw() ([]byte, []byte) {
+	return x509.MarshalPKCS1PrivateKey(b.Key), b.Cert.Raw
+}
+
+// RawToBundle creates a bundle from the name and bytes given for a private key
+// and a certificate.
+func RawToBundle(name string, key []byte, cert []byte) (*Bundle, error) {
+	k, err := x509.ParsePKCS1PrivateKey(key)
+	if err != nil {
+		return nil, fmt.Errorf("failed parsing private key from PEM bytes: %v", err)
+	}
+	c, err := x509.ParseCertificate(cert)
+	if err != nil {
+		return nil, fmt.Errorf("failed parsing certificate from PEM bytes: %v", err)
+	}
+	return &Bundle{Name: name, Key: k, Cert: c}, nil
+}
+
+// State represents a certificate state (Valid, Expired, Revoked).
+type State int
+
+// Certificate states.
+const (
+	Valid State = iota
+	Revoked
+	Expired
+)