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Groups > linux.debian.security > #5627

Re: PGP/GnuPG unsecure, should be replaced?

From Iain Grant <iain@panfantastic.co.uk>
Newsgroups linux.debian.security
Subject Re: PGP/GnuPG unsecure, should be replaced?
Date 2019-07-21 23:40 +0200
Message-ID <ymrIJ-7i1-5@gated-at.bofh.it> (permalink)
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I must have picked that up somewhere I didn't check when I was younger and
just took it as fact leading to fail :(  Sorry!

I am not a cryptographic expert - IANACE??

Iain

On Sun, Jul 21, 2019 at 8:11 PM Elmar Stellnberger <estellnb@gmail.com>
wrote:

> Why do you think that TwoFish is bad? It was invented by Bruce Schneier
> and was in the last round of the AES competition. I believe it to be the
> better choice than AES.
> Am 20.07.19 um 21:41 schrieb Iain Grant:
>
> 2 fish... that in it's self is bad.  AES, sure lets all be ok about
> that.
>
> I also read the article and I realise I still rely on gpg far too much and
> that I need to ween myself off of it!
>
>
> Iain
>
> On Sat, Jul 20, 2019 at 8:33 PM qmi (list) <lista@miklos.info> wrote:
>
>> Hi,
>>
>> On 7/19/19 1:34 PM, Stephan Seitz wrote:
>> > I found the following article about PGP/GnuPG:
>> > https://latacora.singles/2019/07/16/the-pgp-problem.html
>> >
>> > In short you should drop GnuPG because it doesn’t do anything really
>> > the right way. It should be replaced with different tools for
>> > different situations.
>>
>> I checked that article. For e.g. the article says, "If you’re lucky,
>> your local GnuPG defaults to 2048-bit RSA, the 64-bit-block CAST5 cipher
>> in CFB, ..."
>>
>> Wrong. The current implementation of GnuPG shipped by Debian Buster -
>> version 2.2.12 - does support modern cryptographic standards for
>> symmetric encryption, not only CAST5. For e.g., it does support twofish
>> and aes. Both of which use 128-bit block sizes, AFAIK. See command
>> output for gpg below about supported algorithms:
>>
>> "
>>
>> qmi@qmiacer:~$ gpg --version
>>
>> gpg (GnuPG) 2.2.12
>> (...)
>> Supported algorithms:
>> Pubkey: RSA, ELG, DSA, ECDH, ECDSA, EDDSA
>> Cipher: IDEA, 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH,
>>          CAMELLIA128, CAMELLIA192, CAMELLIA256
>> (...)
>> "
>>
>> So it's good enough, apparently.
>>
>> >
>> > Debian is using GnuPG for signing files. From the article:
>> >
>> > Signing Packages
>> >
>> > Use Signify/Minisign. Ted Unangst will tell you all about it. It’s what
>>
>> You may be right, though. That tool might have better bindings for
>> modern programming languages.
>>
>> Regards,
>> --
>> qmi
>> Email: lista@miklos.info
>>
>>

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Thread

PGP/GnuPG unsecure, should be replaced? Stephan Seitz <stse+debian@fsing.rootsland.net> - 2019-07-19 13:50 +0200
  Re: PGP/GnuPG unsecure, should be replaced? "qmi (list)" <lista@miklos.info> - 2019-07-20 21:40 +0200
    Re: PGP/GnuPG unsecure, should be replaced? Iain Grant <iain@panfantastic.co.uk> - 2019-07-20 22:10 +0200
      Re: PGP/GnuPG unsecure, should be replaced? Elmar Stellnberger <estellnb@gmail.com> - 2019-07-21 21:20 +0200
        Re: PGP/GnuPG unsecure, should be replaced? Iain Grant <iain@panfantastic.co.uk> - 2019-07-21 23:40 +0200
    Re: PGP/GnuPG unsecure, should be replaced? Malte <malte@wk3.org> - 2019-07-21 16:50 +0200
      Re: PGP/GnuPG unsecure, should be replaced? qmi <lista@miklos.info> - 2019-07-21 18:30 +0200
  Re: PGP/GnuPG unsecure, should be replaced? Pieter le Roux <pgp@myleroux.net> - 2019-07-25 10:00 +0200
    Re: PGP/GnuPG unsecure, should be replaced? Volker Birk <vb@pep-project.org> - 2019-07-25 15:30 +0200

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