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Re: [Duplicity-talk] Encryption password selection
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Duplicity Mailing List |
Subject: |
Re: [Duplicity-talk] Encryption password selection |
Date: |
Mon, 08 Dec 2014 18:55:53 +0000 |
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On 08/12/14 18:26, Yves Goergen wrote:
> Am 08.12.2014 um 18:30 schrieb address@hidden:
>> for symmetric encryption passphrases anything from length of one
>> character up should work.
>
> Okay. I've seen systems where a certain maximum length of a password
> must not be exceeded. And when using a password for encrpytion, there
> may be certain restrictions about how long a "key" must be. So if I
> specify some random 30 characters that's fine. (I keep them stored in a
> file, don't need to remember them.)
If you're storing your passphrase in a file, nor are planning to
actually remember the passphrase, why not use a keyfile? Seems
infinitely more logical (and secure).
>
>> yes, you can encrypt symmetrically and sign the result with a key.
>
> Oh, so signing is not possible if I don't use a key file. Which I never
> did. Didn't know it was possible. But I think I can only benefit the
> signature validation if I have the GnuPG key for restoring, so I might
> as well use that for encryption, too, instead of that PASSPHRASE
> environment variable that's not well explained.
>
>$ export PASSPHRASE="abcdef"
>$ duplicity full a file://b
>$ cd b
>$ gpg2 --output difftar --decrypt *difftar.gpg
gpg: CAST5 encrypted data
>Pin entry: abcdef
gpg: encrypted with 1 passphrase
- [Duplicity-talk] Encryption password selection, Yves Goergen, 2014/12/08
- Re: [Duplicity-talk] Encryption password selection, edgar . soldin, 2014/12/08
- Re: [Duplicity-talk] Encryption password selection, Yves Goergen, 2014/12/08
- Re: [Duplicity-talk] Encryption password selection,
Duplicity Mailing List <=
- Re: [Duplicity-talk] Encryption password selection, Cláudio Gil, 2014/12/08
- Re: [Duplicity-talk] Encryption password selection, edgar . soldin, 2014/12/08
- Re: [Duplicity-talk] Encryption password selection, Duplicity Mailing List, 2014/12/08
- Re: [Duplicity-talk] Encryption password selection, Cláudio Gil, 2014/12/09
- Re: [Duplicity-talk] Encryption password selection, Duplicity Mailing List, 2014/12/09
- Re: [Duplicity-talk] Encryption password selection, Cláudio Gil, 2014/12/09
- Re: [Duplicity-talk] Encryption password selection, Yves Goergen, 2014/12/09