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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3
votes
1answer
34 views

Merge a second OpenPGP key pair into user id of other key

I have OpenPGP key pairs for two of my email addresses. When I created them, I did not know that it was possible to just add another user id to the first key pair. Then I found out it is possible from ...
2
votes
1answer
41 views

Cross-certification between worlds like X.509 and PGP?

Sometimes it can be advantageous to use existing trust relationships in one certification world - X.509 or PGP - to create trust in the other world. At the lowest level I can always take an X.509 cert ...
2
votes
0answers
369 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 ...
1
vote
0answers
57 views

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 ...
1
vote
0answers
100 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). ...
1
vote
0answers
159 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 ...
0
votes
0answers
28 views

What user interface is most useful to users who use PGP Key Splitting, or other Shamir-based keys?

I am developing an application that uses Shamir-based key splitting, and am looking at various products and am looking for a user-friendly, possibly dynamic graph that helps users build and manage key ...