Added patch to use an empty buffer in DecryptMessage to return decrypted data.

patches/secur32-DecryptMessage/0001-secur32-Use-an-empty-buffer-in-DecryptMessage-to-ret.patch

@@ -0,0 +1,45 @@
+From da2ad05136f8f9c4863921c9042ae9d2d78ccde9 Mon Sep 17 00:00:00 2001
+From: Hans Leidekker <hans@codeweavers.com>
+Date: Sun, 27 Jul 2014 14:43:23 -0600
+Subject: secur32: Use an empty buffer in DecryptMessage to return decrypted
+ data.
+
+---
+ dlls/secur32/schannel.c |   14 +++++++++++++-
+ 1 file changed, 13 insertions(+), 1 deletion(-)
+
+diff --git a/dlls/secur32/schannel.c b/dlls/secur32/schannel.c
+index 5b86a75..502d0f2 100644
+--- a/dlls/secur32/schannel.c
++++ b/dlls/secur32/schannel.c
+@@ -1209,7 +1209,7 @@ static SECURITY_STATUS SEC_ENTRY schan_DecryptMessage(PCtxtHandle context_handle
+ {
+     struct schan_transport transport;
+     struct schan_context *ctx;
+-    SecBuffer *buffer;
++    SecBuffer *buffer, *out_buffer;
+     SIZE_T data_size;
+     char *data;
+     unsigned expected_size;
+@@ -1296,6 +1296,18 @@ static SECURITY_STATUS SEC_ENTRY schan_DecryptMessage(PCtxtHandle context_handle
+     buffer->BufferType = SECBUFFER_STREAM_HEADER;
+     buffer->cbBuffer = 5;
+ 
++    idx = schan_find_sec_buffer_idx(message, 0, SECBUFFER_EMPTY);
++    if (idx == -1)
++    {
++        WARN("No empty buffer passed\n");
++        return SEC_E_INTERNAL_ERROR;
++    }
++
++    out_buffer = &message->pBuffers[idx];
++    out_buffer->BufferType = SECBUFFER_DATA;
++    out_buffer->cbBuffer = buffer->cbBuffer;
++    out_buffer->pvBuffer = buffer->pvBuffer;
++
+     return SEC_E_OK;
+ }
+ 
+-- 
+1.7.9.5
+

patches/secur32-DecryptMessage/definition

@@ -0,0 +1,4 @@
+Author: Hans Leidekker
+Subject: Use an empty buffer in DecryptMessage to return decrypted data.
+Revision: 1
+Fixes: [20748] Chromium unit test fails in DecryptMessage