From: W. Trevor King <wking@tremily.us>
Date: Fri, 20 Dec 2013 23:02:08 +0000 (-0800)
Subject: Add signature creation time signature subpacket parsing to PGPPacket
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=9f7b198ea846d02b37a7e2934f26f61a87af4d76;p=gpg-migrate.git

Add signature creation time signature subpacket parsing to PGPPacket

From RFC 4880 [1]:

  (4-octet time field)

  The time the signature was made.

  MUST be present in the hashed area.

[1]: http://tools.ietf.org/search/rfc4880#section-5.2.3.4
---

diff --git a/gpg-migrate.py b/gpg-migrate.py
index 6abc19e..47ea115 100755
--- a/gpg-migrate.py
+++ b/gpg-migrate.py
@@ -289,6 +289,9 @@ class PGPPacket (dict):
                 lines.append('    {}'.format(subpacket['type']))
         return lines
 
+    def _str_signature_creation_time_signature_subpacket(self, subpacket):
+        return str(subpacket['signature-creation-time'])
+
     def _str_issuer_signature_subpacket(self, subpacket):
         return subpacket['issuer'][-8:].upper()
 
@@ -573,6 +576,10 @@ class PGPPacket (dict):
         offset += 2
         self['signature'] = data[offset:]
 
+    def _parse_signature_creation_time_signature_subpacket(
+            self, data, subpacket):
+        subpacket['signature-creation-time'] = _struct.unpack('>I', data)[0]
+
     def _parse_issuer_signature_subpacket(self, data, subpacket):
         subpacket['issuer'] = ''.join('{:02x}'.format(byte) for byte in data)