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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))
}
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