I had downloaded a verified (not self-signed) S/MIME certificate with iceweasel (firefox) which was stored in cert8.db Then I used: certutil -L -d <path_to_folder_that_cert8.db_resides> i...

I need to extract the user certificate from a pkcs7 signature file. I can do it via the command line using the following: openssl pkcs7 -in somesign.pks7 -inform PEM -print_certs This will give ...

I have a C# program that manages a resource mailbox by retrieving attachments and categorizing emails into sub-folders. An issue came up recently where the client wishes to send us signed emails, s...

While using the f12 tools on ie, when I request a web page, the response header has a content type. Can this also be called MIME type? Or is there a difference?

Is there any real reason to use a 3rd party Certificate Authority for your own email security? ( meaning using S/MIME ) I found I am able to become my own CAuthority and create my own self-signed...

I try to write a little mail milter to sign mails with S/MIME. So far, I have completed to the code up to signing the mail. I used the demos/smime code examples in openssl to do the job. Unfortunat...

Here's my problem. I need to find a way of using S/MIME within Outlook Web App. The browser needs to be Chrome and the OS is Linux. I've searched all over with not much luck? I found Tamper...

I'm attempting to decrypt an S/MIME email (sent originally via Outlook), and to do that, I'm using the bouncycastle API. I'm running into a snag, though. I have, in the Windows certificate store, ...

How can i extract the public certificate from an smime message (pkcs7-signature) with OpenSSL?

Hi I couldn't find a way to convert an opaque pkcs#7(p7m) in a clear text deatached smime so that the signed content could be processed by regular mime libraries. I'd like to take p7m file and con...

What is the easiest way (in terms of computing resources) to tell if an s/mime email message is signed with attached signature when this message is encrypted? If a message is just signed, it's eas...

What I am attempting to do is replicate the following command run through Terminal on a Mac, but on the iPhone/in Cocoa: openssl smime -binary -sign -signer cert.pem -inkey key.pem -in file.txt -o...

Is there a way in Ruby to digitally sign email messages with S/MIME? Our group uses PKI and our users are conditioned to expect digital signatures for important messages. I know I can invoke the o...

I am writing a shell script to automatically generate an Apple Passbook signature file from manifest.json using p12 certificate. Here is what I do: openssl pkcs12 -passin pass:"mypass" -in "mycert...

So, i have this application that creates a zip file with images and stuff and i want to sign it using smime. if i use the terminal command: openssl smime -binary -sign -passin "pass:MYPASS" -si...

When I try to decrypt an encrypted S/MIME message using CMS in OpenSSL, the decrypt method returns me 0 which stands for didn't succeed. OpenSSL.org says.. CMS_decrypt() returns either 1 for su...

My understanding is that TLS is an encryption technique that allowing two STMP servers to communicate with each other securely. If HTTPS is used to connect to an STMP serve is that the same as usin...