PGP is short for "Pretty Good Privacy". It is a data encryption and decryption computer program that provides cryptographic privacy and authentication for data communication. PGP is often used for signing, encrypting and decrypting texts, E-mails, files, directories and whole disk partitions to ...

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Are there problems with reusing strong passwords for private gpg keys

I am currently maintaining a few different identities each associated with different gpg keys (for personal, academic, professional correspondence etc., whether or not this is a good idea is probably ...
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51 views

What issues exist in generating a signed, paper-based PGP message stored by a hostile organisation?

I have recently been the victim of having my medical record tampered with by the organisation holding it. Under state law I have a legal right to submit information to be included in my medical record,...
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31 views

Create revocation certificate for all user IDs

My OpenPGP key consists of three identities and two subkeys. I now would like to create a revocation certificate for the master key. pub 4096R/2J9F2349 2016-05-10 [expires: 2016-11-06] uid ...
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34 views

Does using the client keep the Keybase server honest even if you also use the web interface?

According to Keybase's documentation: [The] keybase clients in the wild play a crucial role in keeping the Keybase server honest. They check the integrity of user signature chains, and can find ...
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444 views

Emacs and EasyPG not performing public key encryption

I have a file which I edit and encrypt following this guide : http://emacs.wordpress.com/2008/07/18/keeping-your-secrets-secret/ I'm a noob as far as security goes and thought that the point of ...
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OpenPGP (RFC4880) - do you agree with my SimpleS2K (string-to-key) implementation?

Background: I'm writing a GPL Python OpenPGP to JSON parser which I'm testing on files generated with GPG 1.4.16. If given a passphrase, the parser will generate keys using the string-to-key methods ...
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88 views

SSH Keybased authentication using NitroKey

So I'm fairly new to more secure forms of key management, I've been used to storing my keys inside key files on my computer. Recently I wanted to try and see if I could setup SSH authentication to my ...
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38 views

PGP 'forced entry' decode (steganography?)

This was originally posted by me on stackoverflow but was deemed too generic. It does seem like an impossible thing to do, but: you know when you have your perimeter alarm system you usually get ...
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110 views

Secure self-concealing symmetric encryption (non-verifiable decryption)?

From what I observed using standard encryption tools such as OpenSSH and GPG, the decryption only succeeds when the correct password/key is provided (or at most a few others, in case of collision). (...
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387 views

Location of passphrase digest in opengpg secring.gpg

I'm trying to understand the file format of the secring.gpg file. I couldn't really find any official documentation of the file format so I decided to create a new key-pair and use the S2K (string-to-...
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22 views

Which symmetric encryption method does PGP use for its hybrid-method?

I'm doing some research on PGP for a class-assignment. I've tried to find out which exact implementation PGP uses for its symmetric encryption part. Finding out about RSA as the asymmetric one was ...
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19 views

What public key systems allow for delegation?

I am looking for a public key system that allows for a 3rd party to use that key for other purposes. What private key systems allow for this? PGP, S/MIME, PKI?
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Enigmail: Issue about sending to old key

So I have set up a new GPG key for myself. I previously had one under the same email, but it has since been revoked. I installed enigmail on my new system with this new key and It seems that it is ...