CertGetPublicKeyLength() test failures on Win7
ggeldorp at vmware.com
Tue Sep 15 13:02:48 CDT 2009
> From: Juan Lang
> > I see 3 test failures related to CertGetPublicKeyLength() on Win7,
> > crypt32/tests/cert.c lines 3146/3160/3165. All 3 failures are the
> > same, CertGetPublicKeyLength() returns 0 with last error 0x80090004
> > (NTE_BAD_LEN). After looking at it for a while, I'm inclined to
> > change the condition to ok(ret == 56 || (ok == 0 && GetLastError()
> > == NTE_BAD_LEN), ...). Do you agree that's the correct fix or do
> > I need to dig deeper?
> Hm, that's interesting. I'm certainly curious why that is. I'd check
> whether Win7 can decode the public key. From our implementation of
> BOOL ret = CryptDecodeObjectEx(dwCertEncodingType,
> RSA_CSP_PUBLICKEYBLOB, pPublicKey->PublicKey.pbData,
> pPublicKey->PublicKey.cbData, CRYPT_DECODE_ALLOC_FLAG, NULL, &buf,
> I expect this is also failing on Win7?
No, it's not. Return value is TRUE, buf is allocated and contains a
PUBKEYSTRUC followed by a RSAPUBKEY with len 56 while size contains 0x1b.
So Win7 is capable of decoding the key.
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