Add glide.yaml and vendor deps

vendor/github.com/docker/libtrust/tlsdemo/gencert.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"encoding/pem"
+	"fmt"
+	"log"
+	"net"
+
+	"github.com/docker/libtrust"
+)
+
+var (
+	serverAddress            = "localhost:8888"
+	clientPrivateKeyFilename = "client_data/private_key.pem"
+	trustedHostsFilename     = "client_data/trusted_hosts.pem"
+)
+
+func main() {
+	key, err := libtrust.LoadKeyFile(clientPrivateKeyFilename)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	keyPEMBlock, err := key.PEMBlock()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	encodedPrivKey := pem.EncodeToMemory(keyPEMBlock)
+	fmt.Printf("Client Key:\n\n%s\n", string(encodedPrivKey))
+
+	cert, err := libtrust.GenerateSelfSignedClientCert(key)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	encodedCert := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: cert.Raw})
+	fmt.Printf("Client Cert:\n\n%s\n", string(encodedCert))
+
+	trustedServerKeys, err := libtrust.LoadKeySetFile(trustedHostsFilename)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	hostname, _, err := net.SplitHostPort(serverAddress)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	trustedServerKeys, err = libtrust.FilterByHosts(trustedServerKeys, hostname, false)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	caCert, err := libtrust.GenerateCACert(key, trustedServerKeys[0])
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	encodedCert = pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: caCert.Raw})
+	fmt.Printf("CA Cert:\n\n%s\n", string(encodedCert))
+}