Hi all,
I'm something of a newbie at this whole encryption game. I've set up our own
CA here using self signed certificates, (certificates only get used within
the company). OpenSSL works a treat, I've got stunnel securing various
connections, mod_ssl running, and we've been trying out WinCrypt for signing
files.

My problem is that although WinCrypt (www.wincrypt.de) seems to do the
trick, the authors can't/won't tell me how it actually signs files - just
that they use the Microsoft crypto API. My german is a lot worse than their
english which doesn't help.

Does anyone know how it works? How I can produce compatible signed messages
with OpenSSL? How I can verify files using OpenSSL? I tried `openssl
smime -verify ...` but got:
Error reading S/MIME message
3285:error:2107A087:PKCS7 routines:SMIME_read_PKCS7:no content
type:pk7_mime.c:222:

Anyone know / tested if it suffers from the Microsoft intermediate CA
forging bug?

Can anyone suggest a simple, cheap GUI tool which can be used with OpenSSL
certificates to sign and verify files (we need to keep these as files) which
runs on MSWindows?

Colin

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