[catapult] - Copy Telemetry's gsutilz over to third_party.

third_party/gsutil/third_party/pyasn1-modules/tools/ocsprspdump.py

Index: third_party/gsutil/third_party/pyasn1-modules/tools/ocsprspdump.py
diff --git a/third_party/gsutil/third_party/pyasn1-modules/tools/ocsprspdump.py b/third_party/gsutil/third_party/pyasn1-modules/tools/ocsprspdump.py
new file mode 100755
index 0000000000000000000000000000000000000000..9e49ce038d4fc8932eb86bfff272604d13a2434b
--- /dev/null
+++ b/third_party/gsutil/third_party/pyasn1-modules/tools/ocsprspdump.py
@@ -0,0 +1,27 @@
+#!/usr/bin/python
+#
+# Read ASN.1/PEM OCSP response on stdin, parse into
+# plain text, then build substrate from it
+#
+from pyasn1.codec.der import decoder, encoder
+from pyasn1_modules import rfc2560, pem
+import sys
+
+if len(sys.argv) != 1:
+    print("""Usage:
+$ cat ocsp-response.pem | %s""" % sys.argv[0])
+    sys.exit(-1)
+    
+ocspReq = rfc2560.OCSPResponse()
+
+substrate = pem.readBase64FromFile(sys.stdin)
+if not substrate:
+    sys.exit(0)
+        
+cr, rest = decoder.decode(substrate, asn1Spec=ocspReq)
+
+print(cr.prettyPrint())
+
+assert encoder.encode(cr, defMode=False) == substrate or \
+       encoder.encode(cr, defMode=True) == substrate, \
+       'OCSP request recode fails'