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

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

Index: third_party/gsutil/third_party/pyasn1-modules/tools/crmfdump.py
diff --git a/third_party/gsutil/third_party/pyasn1-modules/tools/crmfdump.py b/third_party/gsutil/third_party/pyasn1-modules/tools/crmfdump.py
new file mode 100755
index 0000000000000000000000000000000000000000..22bfc9d95092164606516d6e30dbf8f016d028df
--- /dev/null
+++ b/third_party/gsutil/third_party/pyasn1-modules/tools/crmfdump.py
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+# Read ASN.1/PEM X.509 CRMF request on stdin, parse into
+# plain text, then build substrate from it
+from pyasn1.codec.der import decoder, encoder
+from pyasn1_modules import rfc2511, pem
+import sys
+
+if len(sys.argv) != 1:
+    print("""Usage:
+$ cat crmf.pem | %s""" % sys.argv[0])
+    sys.exit(-1)
+    
+certReq = rfc2511.CertReqMessages()
+
+substrate = pem.readBase64FromFile(sys.stdin)
+if not substrate:
+    sys.exit(0)
+        
+cr, rest = decoder.decode(substrate, asn1Spec=certReq)
+
+print(cr.prettyPrint())
+
+assert encoder.encode(cr, defMode=False) == substrate or \
+       encoder.encode(cr, defMode=True) == substrate, \
+       'crmf recode fails'