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	diff --git a/resources/tls/cas.py b/resources/tls/cas.py
	new file mode 100755
	index 0000000..8667804
	--- /dev/null
	+++ b/resources/tls/cas.py
	@@ -0,0 +1,41 @@
	+#!/usr/bin/env python3
	+from gnutls.crypto import X509Certificate
	+from gnutls.errors import GNUTLSError
	+
	+def trusted_cas(content):
	+ trusted_cas = []
	+ crt = ''
	+ start = False
	+ end = False
	+
	+ content = content or ''
	+ content = content.decode() if isinstance(content, bytes) else content
	+
	+ for line in content.split("\n"):
	+ if "BEGIN CERT" in line:
	+ start = True
	+ crt = line + "\n"
	+ elif "END CERT" in line:
	+ crt = crt + line + "\n"
	+ end = True
	+ start = False
	+
	+ try:
	+ trusted_cas.append(X509Certificate(crt))
	+ except (GNUTLSError, ValueError) as e:
	+ continue
	+ elif start:
	+ crt = crt + line + "\n"
	+
	+ return trusted_cas
	+
	+
	+if __name__ == '__main__':
	+ path = "./ca.crt"
	+ content = open(path, 'r').read()
	+ cas = trusted_cas(content)
	+
	+ i = 1
	+ for certificate in cas:
	+ print('%3d %s' % (i, certificate.subject))
	+ i = i + 1