Collaborate Disseminate
Many files that are available for download (eg in github) come along with “asc” signature files attached, or with a sha256 file hash. Can someone please explain difference of PGP signatures vs file hashes?
My questions:
Is the purpose o… Continue reading File authentifications via PGP versus via unique file hashes
I recently created a new gpg key just for the sake of learning the basics of public key encryption. Now, I’d like to revoke that test key so that I can go on using a more “permanent” key that is associated with my personal email account. … Continue reading How long does it take for a gpg key revoke certificate to propagate to all public key servers?
We are using Symantec PGP encryption for AIX to encrypt/decrypt files. Keys are generated with passphrase and the passphrase are set by the business users. The IT admin is responsible to perform the encryption/decryption of files on monthl… Continue reading PGP encryption passphrase
Basically looking for a replacement for PGP/GPG file encryption. Need “forward secrecy” feature.
I want to share encrypted files with someone else however it’s only for a short time only. What is the best way to do this?
More background: I’d like to add more people to be able to decrypt the file as time goes on and others “expire”… Continue reading Using GPG or PGP, is there a way to give another user (or key) access to decrypt a file for a limited time only?
Really, I could not understand why the decryption process of CFB malleability gadget takes the next cipher block while PGP uses the previous block as shown in the equations in the attached image, I read Efail attack paper but I could not u… Continue reading why Efail CFB malleability gadget is different from CFB mode decryption?
Is there any way to sign and send a message from email server automatically…without using any desktop client to sign the message.
For Example, A wants to send a message to B. A open its email account, composes message and click on ‘send… Continue reading How to automatically sign a message using PGP in an email?
Suppose that Alice gives her public key to Bob. The public key contains:
1 primary public key
and
2 subordinates public keys.
When Bob run: gpg –list-sigs
it shows that the primary key and both subordinates keys are self-signed by Ali… Continue reading Why gpg –sign-key only signs the Public Primary Keypair and not the Subordinates Public Keypairs?
I have this text:
Would you mind stopping by the local store and buy some baking soda for tomorrow, Betty-Sue?
Betty-Sue has given me her public PGP key, which I have imported and now use to encrypt the text to a PGP message block.
I generated a backup of my master key and 3 sub keys following this into these archives:
gpg.conf
mastersub.key
openpgp-recovs.d
private-keys-v1.d (contains 4 .key files)
pubring.kbx
random_seed
reader_0.status
sub.key
tofu.db
trustdb.gpg… Continue reading How to import pgp backup back into smartcard?