Re: Support for RSA keys > 4096 bits

2018-11-06 Thread Wiktor Kwapisiewicz via Gnupg-users
Hi Nicolas, There is also this site that may be of interest: https://www.keylength.com/ As for your question, actually that was answered in GnuPG FAQ: https://www.gnupg.org/faq/gnupg-faq.html#default_rsa2048 Kind regards, Wiktor On 07.11.2018 07:53, Nicholas Papadonis wrote: > For those

Re: Support for RSA keys > 4096 bits

2018-11-06 Thread Nicholas Papadonis
For those interested, link to the NIST document: https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-57pt1r4.pdf On Wed, Nov 7, 2018 at 1:50 AM Nicholas Papadonis < nick.papadonis...@gmail.com> wrote: > I read in NIST 800-57 Part 1 Rev. 4 pg 53 that RSA keys length of 15360 > bits

Support for RSA keys > 4096 bits

2018-11-06 Thread Nicholas Papadonis
I read in NIST 800-57 Part 1 Rev. 4 pg 53 that RSA keys length of 15360 bits is equivalent to a 256 bit AES symmetric key. I also read in other documentation that NIST recommends such key lengths to protect data beyond 2030. As email may be retained for many years it would seem appropriate to

Re: [openssl-users] OpenSSL vs GPG for encrypting files? Security best practices?

2018-11-06 Thread Nicholas Papadonis
Interesting. How about this for a start? http://nickpapadonis.com/images-share/summerian-ancient-mesopotamia-ancient-lock.jpg http://nickpapadonis.com/images-share/anunnaki1.jpg http://nickpapadonis.com/images-share/summerian-Winged_Human-headed_Bulls.JPG On Sun, Nov 4, 2018 at 7:21 PM

Re: encrypt linux backup folder using gpg

2018-11-06 Thread Kaushal Shriyan
Hi Francesco, Thanks Francesco for the email. I have encrypted the file using my gpg key. How do i share the encrypted helloworld.gpg file to the recipients. For example j...@example.com. Do I need to encrypt the file to the recipients id using gpg pub key? Any examples to understand it better.

Re: encrypt linux backup folder using gpg

2018-11-06 Thread Francesco Ariis
On Wed, Nov 07, 2018 at 08:10:48AM +0530, Kaushal Shriyan wrote: > Hi Francesco, > > Whom do i need to contact to correct the examples provided in manual page? I opened a bug in Debian yesterday (after replying to you), albeit with no patch:

Re: encrypt linux backup folder using gpg

2018-11-06 Thread Kaushal Shriyan
Hi Francesco, Whom do i need to contact to correct the examples provided in manual page? GPG-ZIP(1) >GNU Privacy Guard > GPG-ZIP(1) > NAME >gpg-zip - Encrypt or sign files into an archive > SYNOPSIS >gpg-zip [options] filename1

Re: encrypt linux backup folder using gpg

2018-11-06 Thread Kaushal Shriyan
On Tue, Nov 6, 2018 at 7:12 PM Francesco Ariis wrote: > On Tue, Nov 06, 2018 at 05:32:40PM +0530, Kaushal Shriyan wrote: > > [centos]# ls helloworld/ > > check_cpu_perf.sh check_mem.pl jdk-8u162-linux-x64.rpm > > [centos]# gpg-zip --encrypt --output hellogpg --gpg-args -r kaushal > > Ah, the

Re: Most secure GPG combination for Mac OS X

2018-11-06 Thread Nicholas Papadonis
comments On Tue, Nov 6, 2018 at 7:54 AM Damien Goutte-Gattat < dgouttegat...@incenp.org> wrote: > Hi, > > First, a warning: I am by no means a "security expert" and I have > very little experience with Mac OS X, which I only use at my > workplace (and only because my employer didn't let me use a

Re: OpenPGP key verification + legal framework

2018-11-06 Thread Dirk Gottschalk via Gnupg-users
Hi. Am Montag, den 05.11.2018, 21:47 +0200 schrieb Viktor: > > And we actually not sign keys. From two reasons: > a. If you automatically trust the signing key, compromising the > signing key breaks the entire system. b. In many countries, > generating or signing cryptographic keys requires a

Most secure GPG combination for Mac OSX

2018-11-06 Thread Nicholas Papadonis
Hi Folks, Does anyone have suggestions on the most secure and reviewed combination for bits for sending secure email on OSX? I noticed that there are two OSX packages for GPG: Mac GPG Installer from the gpgtools project GnuPG for OS X Installer for GnuPG Is any one

Re: Most secure GPG combination for Mac OS X

2018-11-06 Thread Ralph Seichter
* Nicholas Papadonis: > I'm considering using the Mac Mail.app, however am interested if > Thunderbird is better integrated from a security standpoint. Apple's on-board Mail requires a plugin to encrypt/decrypt messages. While GPG Suite (https://gpgtools.org) provides said plugin, it is no

Re: encrypt linux backup folder using gpg

2018-11-06 Thread Francesco Ariis
On Tue, Nov 06, 2018 at 05:32:40PM +0530, Kaushal Shriyan wrote: > [centos]# ls helloworld/ > check_cpu_perf.sh check_mem.pl jdk-8u162-linux-x64.rpm > [centos]# gpg-zip --encrypt --output hellogpg --gpg-args -r kaushal Ah, the example in the manual is wrong. This should work gpg-zip

Re: Most secure GPG combination for Mac OS X

2018-11-06 Thread stefan . claas
Am 06.11.2018 12:48 schrieb Nicholas Papadonis: Does anyone have suggestions on the most secure and reviewed combination for bits for sending secure email on OS X? I noticed that there are two OSX packages for GPG: Mac GPG Installer from the gpgtools project GnuPG for OS X

Re: Most secure GPG combination for Mac OS X

2018-11-06 Thread Damien Goutte-Gattat via Gnupg-users
Hi, First, a warning: I am by no means a "security expert" and I have very little experience with Mac OS X, which I only use at my workplace (and only because my employer didn't let me use a GNU/Linux workstation...). However and for what it's worth: On Tue, Nov 06, 2018 at 06:48:07AM -0500,

Re: encrypt linux backup folder using gpg

2018-11-06 Thread Kaushal Shriyan
Hi Francesco, Thanks for the reply. I did the below [centos]# ls helloworld/ check_cpu_perf.sh check_mem.pl jdk-8u162-linux-x64.rpm [centos]# gpg-zip --encrypt --output hellogpg --gpg-args -r kaushal helloworld /usr/bin/tar: kaushal: Cannot stat: No such file or directory gpg: missing

[Announce] GnuPG 2.2.11 released

2018-11-06 Thread Werner Koch
Hello! We are pleased to announce the availability of a new GnuPG release: version 2.2.11. This is a maintenance release; see below for a list of fixed bugs. About GnuPG === The GNU Privacy Guard (GnuPG) is a complete and free implementation of the OpenPGP standard which is commonly

Most secure GPG combination for Mac OS X

2018-11-06 Thread Nicholas Papadonis
Does anyone have suggestions on the most secure and reviewed combination for bits for sending secure email on OS X? I noticed that there are two OSX packages for GPG: Mac GPG Installer from the gpgtools project GnuPG for OS X Installer for GnuPG Is any one preferred, have

Re: encrypt linux backup folder using gpg

2018-11-06 Thread Wiktor Kwapisiewicz via Gnupg-users
On 06.11.2018 10:42, Francesco Ariis wrote: > Hello Kaushal, > > On Tue, Nov 06, 2018 at 11:25:47AM +0530, Kaushal Shriyan wrote: >> I am using CentOS 7.5 Linux OS in my setup. I have compressed a folder >> using tar utility tar czvf backupfolder.tar.gz backupfolder. Is there a way >> to encrypt

Re: encrypt linux backup folder using gpg

2018-11-06 Thread Francesco Ariis
Hello Kaushal, On Tue, Nov 06, 2018 at 11:25:47AM +0530, Kaushal Shriyan wrote: > I am using CentOS 7.5 Linux OS in my setup. I have compressed a folder > using tar utility tar czvf backupfolder.tar.gz backupfolder. Is there a way > to encrypt backupfolder.tar.gz using gpg? Are there any best