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-rw-r--r--vendor/github.com/xenolf/lego/crypto.go56
1 files changed, 56 insertions, 0 deletions
diff --git a/vendor/github.com/xenolf/lego/crypto.go b/vendor/github.com/xenolf/lego/crypto.go
new file mode 100644
index 000000000..8b23e2fc1
--- /dev/null
+++ b/vendor/github.com/xenolf/lego/crypto.go
@@ -0,0 +1,56 @@
+package main
+
+import (
+ "crypto"
+ "crypto/ecdsa"
+ "crypto/elliptic"
+ "crypto/rand"
+ "crypto/x509"
+ "encoding/pem"
+ "errors"
+ "io/ioutil"
+ "os"
+)
+
+func generatePrivateKey(file string) (crypto.PrivateKey, error) {
+
+ privateKey, err := ecdsa.GenerateKey(elliptic.P384(), rand.Reader)
+ if err != nil {
+ return nil, err
+ }
+
+ keyBytes, err := x509.MarshalECPrivateKey(privateKey)
+ if err != nil {
+ return nil, err
+ }
+
+ pemKey := pem.Block{Type: "EC PRIVATE KEY", Bytes: keyBytes}
+
+ certOut, err := os.Create(file)
+ if err != nil {
+ return nil, err
+ }
+
+ pem.Encode(certOut, &pemKey)
+ certOut.Close()
+
+ return privateKey, nil
+}
+
+func loadPrivateKey(file string) (crypto.PrivateKey, error) {
+ keyBytes, err := ioutil.ReadFile(file)
+ if err != nil {
+ return nil, err
+ }
+
+ keyBlock, _ := pem.Decode(keyBytes)
+
+ switch keyBlock.Type {
+ case "RSA PRIVATE KEY":
+ return x509.ParsePKCS1PrivateKey(keyBlock.Bytes)
+ case "EC PRIVATE KEY":
+ return x509.ParseECPrivateKey(keyBlock.Bytes)
+ }
+
+ return nil, errors.New("Unknown private key type.")
+}