From 2b99050d99f87474f0ab2f6a9642e4c3d34983f1 Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Mon, 23 Jan 2017 16:19:19 +0100
Subject: [PATCH] W.I.P of SMIME support for mail application: - Add a method
 for extracting public-key from a certificate

---
 api/src/Mail/Smime.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/api/src/Mail/Smime.php b/api/src/Mail/Smime.php
index 92bd49e0fc..9e379709cc 100644
--- a/api/src/Mail/Smime.php
+++ b/api/src/Mail/Smime.php
@@ -69,4 +69,17 @@ class Smime extends Horde_Crypt_Smime
 		}
 		return true;
 	}
+
+	/**
+	 * Extract public key from certificate
+	 *
+	 * @param type $cert
+	 * @return string returns public key
+	 */
+	public function get_publickey ($cert)
+	{
+		$handle = openssl_get_publickey($cert);
+		$keyData = openssl_pkey_get_details($handle);
+		return $keyData['key'];
+	}
 }