IT Security Stack Exchange
IT Security Stack Exchange

Questions tagged [openpgp]

An open source version of the PGP (Pretty Good Privacy) encryption / decryption software. Primarily used for securing email communications.

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In OpenPGP, when encrypting with public key -- is it possible to not include the RSA key id?

In OpenPGP, when encrypting with public key -- is it possible to not include the RSA key id as plaintext in the metadata? I need to encrypt messages, but I want it to be impossible to identity the receiver. Only the true receiver of the message will…
HelloWorld
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Can I decrypt an OpenPGP message with only the passphrase, without the key?

I have encrypted a file using OpenPGP Studio and lost access to the key after an operating system crash. However, the encrypted file is with me and I know the password. I would like to know if there is a way to decrypt the file without the key.
GVTRI3
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Can I use my Microsoft Outlook S/MIME certificate with gpgsm.exe

So I work for a large company that has their own internal CA and maintains their own set of S/MIME certificates. We periodically have to re-enroll in S/MIME and import the certificate into Microsoft Outlook to have encrypt / sign functionality. …
Dan
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Should I change my OpenPGP subkey, or just extend its expiration date?

What is the common practice when a subkey reaches its expiration date? Generate a new subkey Pros Increases security if the subkey has been stolen (without noticing) since Malory cannot use the old one anymore for future attacks Cons I…
Morgan Courbet
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OpenPGP.js deterministic encryption?

I'm encrypting something with a public key generated using the ed25519 curve, with OpenPGP.js. It goes something like this: var options = { data: str, publicKeys: publicKeys, armor:…
HelloWorld
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