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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How to properly transition from standard PGP keys to using subkeys?

When I initially set up PGP, PGPTools didn't prompt me to create separate subkeys, as explained in the article "Creating the Perfect PGP Keypair". Now that I've learned a bit more about PGP, I'd like ...
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0answers
333 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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0answers
19 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 ...
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77 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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117 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 ...
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16 views

How do I decrypt encrypted text using a public_key.pem and an unknown hex data file?

I have been given a 3 files by a client: A public key (text file that begins with 'Begin Public key') An unknown file type containing some hex data - 'smthing.uyu' (most likely the private key?) ...
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0answers
17 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 ...
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45 views

Converting PGP2.x UIDs on a GPG key

I have a couple of keys which were created many years ago, before GPG came out. (But let's pretend there's only one key involved.) The key has a mix of GPG and PGP-2.x-style UIDs. I've made one of ...