I'd like to know if it's possible to use openssl command to retrieve and decrypt the key for encrypting/decryptig email content. I know I can decrypt the whole encrypted mail by something like this ...
Is it possible to detect S/MIME content types (enveloped or signed) using OpenSSL CMS API? I would prefer to avoid pre-parsing S/MIME headers and let OpenSSL to detect whether message is signed or ...
OpenSSL 1.0.1c onwards seems to offer CMS support. I have difficulty understanding the difference between smime and pkcs7. S/MIME specs are layered on PKCS#7 (so says Wikipedia). Now in openssl I ...
Analogously to the SSL server certificate question, which extensions should I use for S/MIME, and should the CA be restricted somehow as well? (I'm using openssl, which at the moment creates CA and ...
I am getting emails with smime.p7s attachments. when I look at my mail on my Linux box, I can see base64 encoded block in mail body. I can extract that block and open it on Windows using certmgr and ...