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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 increase the security of e-mail communications.

3 votes

Putting my PGP ID/link on printed business cards

Two ways I can think of Submit your key to a public key server like pgp.mit.edu/. On your business card you can provide the link with the unique id that you are given. I don't know exactly how you s …
Thomas's user avatar
  • 3,871
3 votes
2 answers
2k views

How to get the prime number of a secret key in GnuPG?

When I use GnuPG I can get a secret key saved as a file. Opening this file in a text editor I see that the key is encoded with base64. How do I find the actual prime number from the secret key? That i …
Thomas's user avatar
  • 3,871
3 votes

Is there anything standing in the way of email encryption going mainstream?

My amateur take on this Technically I think in short that cryptography needs to be made easier to use. This could happen if companies like Google, Microsoft, Yahoo, Facebook, etc. implemented cryptog …
Thomas's user avatar
  • 3,871
1 vote

GPG keys & SHA-1

GnuPG is an implementation of OpenPGP. You can use GnuPG(GPG) to encrypt and sign your data and messages. You can also use GPG to compute the hash of some data. When you do this you can choose what ha …
Thomas's user avatar
  • 3,871