PGP (Pretty Good Privacy) is a computer program for encryption and decryption of data that provides cryptographic privacy and authentication for data communication.

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Setting up PGP on Win7

I got a problem getting PGP to work properly on win7, 64bit. What i want is a automatic encryption, if i have the public key of the recipient and an permanent decryption of received mails. As far as i ...
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23 views

PGP Decryption with plain text key only.

I have been given a gpg file and a plain text key. I was expecting an .asc file. What would the syntax be to decrypt this file with a plain text key. For example: pgp --decrypt filename.gpg keyname ...
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GnuTLS test 'chat' equivalent of OpenSSL s_client s_server

How can I set up a test encrypted "chat" with GnuTLS, equivalent to the OpenSSL s_client and s_server using GPG credentials? I would like to tell GnuTLS-serv and -cli to use keys generated with GPG ...
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Can I sign my emails with both S/MIME and PGP/GPG?

And if it possible, is there any benefit from doing so in one order or the other? signWithSMIME(signWithPGP(message)) versus signWithPGP(signWithSMIME(message)) Also, are there any reason not to ...
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11 views

How can I change the time my PGP Desktop passphrase stays cached?

I have a PGP Desktop 10.0.0 installation on Windows 7 that prompts me for my passphrase far too often - is there any way I can increase the timeout for this? I would prefer to only have to enter the ...
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1answer
53 views

How do I find my public key on my Mac?

I'm using an OS X machine, and I've noticed that in the process of setting up an automated backup a long time ago, I must have also installed a Mac implementation of OpenPGP (though I unfortunately ...
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1answer
35 views

How can I determine what encryption algorithm someone used if I have their PGP Key ID and Fingerprint?

I just learned how to lookup a user's info on pgp.mit.edu. Is there some way to determine what algorithm the user is using?
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1answer
139 views

Import PGP key to windows user for SSIS

I have used Kleopatra to generate a pgp key. In SQL Server I am running an SSIS package that should decrypt files using the above key. The SSIS packages runs as ImportFiles which has the identity of ...
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2answers
87 views

Encrypt file using PGP/GPG having multiple recipients [duplicate]

I have used GPG for some time and know a little about the inner workings. For example I know how to encrypt a file with your public key so only you can open it with your private key, neat. But ...
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12 views

stdout error using cross-compiled gpg

I compiled gnupg(ftp://ftp.gnupg.org/gcrypt/gnupg/gnupg-1.4.16.tar.bz2) for an armv5l processor using the ulibc cross compiler ...
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1answer
27 views

pgp semaphores management on linux

I've an issue with pgp semaphores management. As far as I see pgp (version 6.5.8) creates 4 semaphores while starting to encrypt the file but only 2 of them are then destroyed at the end. To ...
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52 views

How to verify a digital signature in pgp?

I am very inexperienced with cryptography, please answer using minimum technical terms. I encountered this site. The person claiming to be the owner of this site published his signature in pgp to ...
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1answer
37 views

PGP encrypted mails

I am using Thunderbird with EnigMAIL, have my own keys generated, and downloaded the receivers public key. Now when I send the e-mail, I understand that my system encrypts the message using THEIR ...
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1answer
253 views

How do I verify a PGP signature?

What GUI (no command line) software or websites can I use to verify a PGP signature? If I have a message like this -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Because anyone can claim to be me. ...
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1answer
15 views

GPG: Different trust “categories”

I'm getting started with GPG and sent my key to the PGP Global Directory. When I verified my email address, they signed my key, and I've got a question. In one case, I might not really care about ...
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2answers
181 views

unable to decrypt certain files with secret key pgp 6.5.8, any advice?

Ok so I do some stuff for a client of ours that requires me to decrypt some of their suppliers messages, the thing is, something weird happened the other day and I can only decrypt some files with an ...
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1answer
70 views

GnuPG — encrypt already signed message

I'm working on a program that encrypts email after receiving so that at least it can be stored encrypted on the receiving mail server (although still would be transmitted in plain text). While it is ...
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2answers
171 views

How to restrict the usage flags for primary key-pairs in OpenPGP certificates?

More than one time I read recommendations to use the primary key-pair in my OpenPGP certificate only to sign sub-key-pairs and not for general daily use (even to keep the private key stored on a ...
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418 views

Windows 7 slowly freezing (app by app)

I think this is different from other "win 7 freeze" questions. :) I consider myself pretty experienced user but this is just too much for me. Let me explain what happens: Some program freezes ...
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2answers
190 views

Encrypting a document with multiple keys, and making people accountable for those keys

Hypothetical here. You have a highly sensitive file that you don't want to become public ever, other people also don't want it to be public. To reduce likelihood of being murdered you publish an ...
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1answer
154 views

How can you let mutt encrypt mails in the sent-mail folder?

When i sent an encrypted mail, i was surprised that the copy in sent-mail was not encrypted. Checking with a testmail, the mail is sent encrypted, but the copy in the sent-mail folder is plain text, ...
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1answer
81 views

How to export PGP key (in clear text?)?

I created a set of PGP keys in Kleopatra using GPG4Win. I want to use my private and public keys to encrypt and decrypt emails with this Chrome extension: ...
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1answer
713 views

Why does GPG/PGP by default use different keys for signing/encryption?

If you create a new GPG key, you'll by default get a signing-only master key pair and an encryption-only sub-key pair. pub 2048R/XXXXXXXX created: 2013-02-09 expires: 2014-02-09 usage: SC sec ...
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1answer
157 views

How to show (for copy&paste) a secret GPG/PGP key without creating a file

I need to access my secret GPG/PGP key to copy/paste it into another application. How do I show my secret key without generating too much traces of it? I only know of the export command to gpg (or ...
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31 views

outlook: skip PGP when sending email?

In our ognisation, PGP is used for encrypting emails. Everytime when I send a mail, even in the clear, it'll try to contact the server and it's a lot of pain. Is it possible to manually tell outlook ...
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244 views

What are the advantages / disadvantes of using a PGP key without email address? [closed]

Can a PGP-Key without an e-mail address be an advantage? Reasons, why this might be a good idea: - Avoid SPAM on the address - i am using many different E-Mail addresses, too many to add them all as ...
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1answer
2k views

How do I create a PGP Key Revocation Certificate in Kleopatra

I was successfully able to create a PGP Key using Seahorse in Ubuntu's Passwords and Keys (13.04). I was also able to create a revocation certificate, if needed in the future, using the terminal in ...
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42 views

Scan for Unencrypted Data

I need a program that scans for unencrypted files. The files are encrypted with PGP, GPG, and WinZipAES256, so the program needs to be able to recognize these formats as encrypted. Since I need to ...
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264 views

How to migrate my old PGP key to a more secure algorithm?

I have an old PGP using old GnuPG algorithm defaults. According to Best encryption and signing algorithm for GnuPG: RSA/RSA or DSA/Elgamal?, those algorithm settings are no longer sufficient, so I ...
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1answer
418 views

Un-revoke PGP key

Whilst playing with GPG (and trying to figure out a safe way to store my revocation cert so nobody else could use it), I accidentally revoked my PGP key. The revocation was only local; not sent to a ...
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208 views

Unable to see user on Windows login except PGP SSO, how to fix?

My hard disk is PGP encrypted. I restored my system 2-3 times and on restart my Windows 7 boots normally. But on login screen, it upfront gave me error "Incorrect User or Password". And it shows PGP ...
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249 views

PGP Encryption/Decryption issue & Integrity methods

We had a process that ran for almost 3 years with no problems until last week. We tried to generate an encrypted file and it successfully made it, but on decryption, it gave us this error: It's ...
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262 views

Why must a machine be decrypted from PGP before it can be reimaged? Or have I been misinformed?

At work we had to re-image several laptops which all had PGP encryption on them. Why is it necessary to decrypt the disk before remaining (using Clonezilla)? Doesn't it just overwrite the entire hard ...
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2answers
400 views

Verifying files with GPG, without a .sig or .asc file, and with only a key id and fingerprint?

From my limited knowledge of PGP/GPG, one must have 2 things to verify a file: The file's "signature" (essentially a hash of the file encrypted with the trusted entity's private key; normally ...
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3answers
202 views

Is it possible to associate a secondary email address with an existing *public* key?

For example, if I have a friend's public key that's associated with, say, email address john@domain.com, but I want to send him a message at john@other.net, is there a sensible way to do this? Is ...
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99 views

ftp with pgp key

I am a LINUX user. I need to upload some files to a second server. This one uses PGP as security and I received a PGP key. Am I wrong when I say that I cannot use the ordinary FTP client program with ...
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148 views

Free replacement for PGP Desktop

A few years ago I used to use PGP Desktop unfortunately Symantec bought this excellent program and now wants a lot of money for Symantec Encryption Desktop Professional. Does anybody know of a free ...
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334 views

Infer PGP private key using an encoded decoded sample

If I have both an encoded message and its original, is it possible to infer the private key?
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156 views

How to prevent an openPGP key from being uploaded to a keyserver?

Is there flag or something in an openPGP key that can be used to communicate my wish that this key should never be uploaded to a keyserver? If not, can I create a key that is broken in such a way ...
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225 views

GPG4WIN Keys and Transferring them

I have installed www.gpg4win.org and have generated a keys that will allow me to both sign and encrypt files. On windows it uses the (KDE) / Kleopatra Certificate Manager - Version 2.1.0. What is the ...
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1answer
1k views

PGP encrypt single message for multiple recipients

Is it possible to encrypt a message using PGP so that multiple recipients (each with their own public private keypair) can decrypt it? I'd like to email one message which can be decrypted by each ...
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1answer
155 views

PGP encrypted external Toshiba drive

I encrypted my external hard drive, a 350 GB Toshiba with PGP disk encryption and i forgot the password. Question: Is it possible to use a brute force attack (considering i know part of the password), ...
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2k views

Can I access keyboard history without a keylogger?

By accident I wrongly typed a password (twice) that I completely forgot, when I was encrypting my external Toshiba drive with PGP Disk. I have no backup, nor *.krp files to repair my key, but I am ...
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3answers
452 views

Is it possible using symmetric encryption to encrypt a file with two different keys?

GPG/PGP and other public key encryptions allow encrypting to several recipients using their public keys. Is it possible to use only symmetric encryption to do that same? In other words is it possible ...
6
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1answer
752 views

PGP (GnuPG) - what was the original filename?

John wants to send 1.txt to Paul. He encrypts it. Now the file is named myFile.pgp, and he sends it to Paul. Paul gets the file. How (if possible) can Paul know what the original file name (1.txt) ...
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435 views

PGP Desktop Whole disk Encryption paused on a toshiba ultrabook z935

I have a Toshiba z930 Ultrabook with PGP Desktop installed for whole disk encryption. It installed correctly, and started encrypting but it stays paused. If I reboot, it shows me the PGP desktop ...
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787 views

Does the right half of the rsa public key matter?

In a public key file "id_rsa.pub" generated by ssh-keygen, does the part after the == matter? I ask because when I changed "root@somedomain.com" to "root", it seems to still work. More generally, I ...
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627 views

gpg: import failure key xxxxxxxx: no valid user IDs

i am getting this error while importing a public key on gpg (GnuPG) 1.4.2 gpg: armor header: Version: GnuPG v2.0.14 (GNU/Linux) gpg: pub xxxxx/xxxxxxxx 2012-05-25 abcd xyz <email@address.com> ...
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69 views

Sign PGP key to which I added identity once again (i.e. also sign new identities)

I am using the Key Management dialog of Enigmail (in Thunderbird) to manage my keys, as it's more convenient than command line, but also more stable than the GnuPG alternative (Kleopatra). So now I ...
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2answers
282 views

how to verify the trust path to a gpg key?

I want to check whether the gpg key used by Julien Danjou for his emacs snapshot repository can be trusted. There are many trust paths from my key to Juliens key. But I can't believe that there ...