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-rw-r--r--src/leap/util/certs.py39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/leap/util/certs.py b/src/leap/util/certs.py
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+++ b/src/leap/util/certs.py
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+# -*- coding: utf-8 -*-
+# certs.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Implements cert checks and helpers
+"""
+
+from OpenSSL import crypto
+
+
+def get_digest(cert_data, method):
+ """
+ Returns the digest for the cert_data using the method specified
+
+ @param cert_data: certificate data in string form
+ @type cert_data: str
+ @param method: method to be used for digest
+ @type method: str
+
+ @rtype: str
+ """
+ x509 = crypto.load_certificate(crypto.FILETYPE_PEM, cert_data)
+ digest = x509.digest(method).replace(":", "").lower()
+
+ return digest