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WIP

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sorinj committed Jul 1, 2015
1 parent 5d4cfe7 commit cb42059c30a18e9aacaebb52a4cadd19d0b328e4
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// Copyright 2003-2009 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//

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// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================

.p4config
BRANCH_OWNERS
omaha/common/omaha_customization_proxy_clsid.h
omaha/proxy_clsids.txt
omaha/vc120.idb
omaha/scons-out/

#external dependencies
third_party/breakpad/
third_party/gmock/
third_party/gtest/

# Ignore compiled Python files.
*.pyc
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agl
ganesh
ryanmyers
sorin
xiaolingbao
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certificate_tag.go is a tool for manipulating "tags" in Authenticode-signed,
Windows binaries.

Traditionally we have inserted tag data after the PKCS#7 blob in the file
(called an "appended tag" here). This area is not hashed in when checking
the signature so we can alter it at serving time without invalidating the
Authenticode signature.

However, Microsoft are changing the verification function to forbid that so
this tool also handles "superfluous certificate" tags. These are dummy
certificates, inserted into the PKCS#7 certificate chain, that can contain
arbitrary data in extensions. Since they are also not hashed when verifying
signatures, that data can also be changed without invalidating it.

More details are here: http://b/12236017

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