From 77d342339b3149f02aaa3521a27b6216468d43dc Mon Sep 17 00:00:00 2001
From: weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>
Date: Thu, 5 Mar 2009 08:53:50 +0000
Subject: fix bug when AuthenticatedDecryptionFilter::MAC_AT_BEGIN is not
 specified

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@439 57ff6487-cd31-0410-9ec3-f628ee90f5f0
---
 filters.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'filters.cpp')

diff --git a/filters.cpp b/filters.cpp
index 86bd616..9a749f4 100644
--- a/filters.cpp
+++ b/filters.cpp
@@ -885,7 +885,11 @@ byte * AuthenticatedDecryptionFilter::ChannelCreatePutSpace(const std::string &c
 size_t AuthenticatedDecryptionFilter::ChannelPut2(const std::string &channel, const byte *begin, size_t length, int messageEnd, bool blocking)
 {
 	if (channel.empty())
+	{
+		if (m_lastSize > 0)
+			m_hashVerifier.ForceNextPut();
 		return FilterWithBufferedInput::Put2(begin, length, messageEnd, blocking);
+	}
 
 	if (channel == "AAD")
 		return m_hashVerifier.Put2(begin, length, 0, blocking);
-- 
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