From 5d31b0a04cf910d46f7f86cbc0b8fe48bad8a10d Mon Sep 17 00:00:00 2001
From: Matt Holt <mholt@users.noreply.github.com>
Date: Sat, 17 Oct 2015 20:58:14 -0600
Subject: [PATCH] Fix panic

---
 acme/crypto.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/acme/crypto.go b/acme/crypto.go
index 27ae6bc0..d595874f 100644
--- a/acme/crypto.go
+++ b/acme/crypto.go
@@ -33,7 +33,7 @@ func pemEncode(data interface{}) []byte {
 		pemBlock = &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(key)}
 		break
 	case derCertificateBytes:
-		pemBlock = &pem.Block{Type: "CERTIFICATE", Bytes: data.([]byte)}
+		pemBlock = &pem.Block{Type: "CERTIFICATE", Bytes: []byte(data.(derCertificateBytes))}
 	}
 
 	return pem.EncodeToMemory(pemBlock)