[Bug 16420] Certificate chaining error trying to use Microsoft signcode tool

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=16420





--- Comment #16 from Juan Lang <juan_lang at yahoo.com>  2008-12-10 16:52:27 ---
I had a look at a the SPC file in question.  It turns out to be a
base64-encoded version of the asn.1-encoded SPC file, saved as a UTF-16 string.
 I base64-decoded it and tried signcode.exe, but CryptQueryObject still failed
to decode it.

There appear to be several bugs here:
1. CryptQueryObject isn't decoding the file properly.
1.a. It doesn't handle base64-encoded files.
1.b. It's not decoding the base64-decoded version, either.
2. wintrust:CryptSIPCreateIndirectData is unimplemented.

It's a little surprising that CryptQueryObject is expected to decode a
base64-encoded file in this case, because of how it's called:
trace:crypt:CryptQueryObject (00000001, 0x110486, 00000112, 00000002, 00000000,
(nil), 0x32fb90, (nil), 0x32fb94, (nil), (nil))

The fourth argument, dwExpectedFormatTypeFlags, is 2,
CERT_QUERY_FORMAT_FLAG_BINARY, rather than
CERT_QUERY_FORMAT_FLAG_BASE64_ENCODED.  More tests for CryptQueryObject are
certainly needed.  CryptStringToBinaryW probably needs to implemented as well.


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