Maximum file size for signature?

[Andrés Vattuone]

I tried to sign a 13GB files with PGP 9.8. While signing, a file with
the signature´s name and icon appears but when it finishes signing the
file disappears and nothing is left.
Any suggestions?
Does someone know the file size limits for encrypting/signing?
Thanks and regards

[David W. Hodgins]

Post by Andrés Vattuone
I tried to sign a 13GB files with PGP 9.8. While signing, a file with
the signature´s name and icon appears but when it finishes signing the
file disappears and nothing is left.

How much free space do you have, both on the destination drive, and the drive used
in the TMP and TEMP environment variables?

Regards, Dave Hodgins

[Andrés Vattuone]

Post by David W. Hodgins
How much free space do you have, both on the destination drive, and the drive used
in the TMP and TEMP environment variables?
Regards, Dave Hodgins
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71.3GB now, a bit more then
Thanks

[David W. Hodgins]

Post by Andrés Vattuone
71.3GB now, a bit more then
Thanks

I've tested gpg with a 14GB file. Works fine (although slow).
8 min for a detached sig, 35 for a signed binary file.

Assuming you aren't using any fat filesystems, that would limit the size,
you may want to install the windows version of gpg, and give that a try.
I'll append the timed
output of my tests.

Regards, Dave Hodgins

$ time gpg -b bigfile.bin

You need a passphrase to unlock the secret key for
user: "David W. Hodgins <davidwhodgins @ munged
1024-bit DSA key, ID 98B013E0, created 1998-03-20

301.48user 27.79system 8:04.78elapsed 67%CPU (0avgtext+0avgdata 0maxresident)k
28275976inputs+16outputs (4major+415minor)pagefaults 0swaps

$ time gpg -o /var/mnt/junk/bigfile.bin.gpg -s bigfile.bin

You need a passphrase to unlock the secret key for
user: "David W. Hodgins <davidwhodgins @ munged
1024-bit DSA key, ID 98B013E0, created 1998-03-20

1818.14user 127.35system 35:15.05elapsed 91%CPU (0avgtext+0avgdata 0maxresident)k
28338608inputs+28429640outputs (3major+475minor)pagefaults 0swaps

ll -h bigfile.bin*
-rw-r--r-- 1 dave dave 14G 2008-07-09 20:37 bigfile.bin
-rw-r--r-- 1 dave dave 72 2008-07-09 20:46 bigfile.bin.sig
ll -h /var/mnt/junk/bigfile.bin.gpg
-rw-r--r-- 1 dave dave 14G 2008-07-09 21:30 /var/mnt/junk/bigfile.bin.gpg

[Andrés Vattuone]

I'd like to confirm that it is possible to import private keys from
PGP into gpg, because I had some issues when I tried that software.
Thanks.

Post by David W. Hodgins

Post by Andrés Vattuone
71.3GB now, a bit more then
Thanks

I've tested gpg with a 14GB file. Works fine (although slow).
8 min for a detached sig, 35 for a signed binary file.
Assuming you aren't using any fat filesystems, that would limit the size,
you may want to install the windows version of gpg, and give that a try.
I'll append the timed
output of my tests.
Regards, Dave Hodgins
$ time gpg -b bigfile.bin
You need a passphrase to unlock the secret key for
1024-bit DSA key, ID 98B013E0, created 1998-03-20
301.48user 27.79system 8:04.78elapsed 67%CPU (0avgtext+0avgdata 0maxresident)k
28275976inputs+16outputs (4major+415minor)pagefaults 0swaps
$ time gpg -o /var/mnt/junk/bigfile.bin.gpg -s bigfile.bin
You need a passphrase to unlock the secret key for
1024-bit DSA key, ID 98B013E0, created 1998-03-20
1818.14user 127.35system 35:15.05elapsed 91%CPU (0avgtext+0avgdata 0maxresident)k
28338608inputs+28429640outputs (3major+475minor)pagefaults 0swaps
ll -h bigfile.bin*
-rw-r--r-- 1 dave dave 14G 2008-07-09 20:37 bigfile.bin
-rw-r--r-- 1 dave dave  72 2008-07-09 20:46 bigfile.bin.sig
ll -h /var/mnt/junk/bigfile.bin.gpg
-rw-r--r-- 1 dave dave 14G 2008-07-09 21:30 /var/mnt/junk/bigfile.bin.gpg
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[David W. Hodgins]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Post by Andrés Vattuone
I'd like to confirm that it is possible to import private keys from
PGP into gpg, because I had some issues when I tried that software.
Thanks.

IIRC, my private key was created using windows 95 and pgp. I exported it from
pgp under xp, and then imported it with gpg. Same for all of the public keys
I had.

Regards, Dave Hodgins

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (GNU/Linux)

iEYEARECAAYFAkh40MIACgkQObhOpZiwE+BqIgCgoZyTsucPWjCZE+lRDBcjiu+g
dE8AoOpJPsvAjiQeFLiWmJEpMDU++YJX
=A9yv
-----END PGP SIGNATURE-----

[Neil W Rickert]

Post by Andrés Vattuone
I'd like to confirm that it is possible to import private keys from
PGP into gpg, because I had some issues when I tried that software.

I've never had a problem with it.

I just use

gpg --import /path/to/pgp/private-key-file

and similarly for the public key file.

If, instead, you export the keys in pgp, then import in gpg, that
should work except for old style RSA keys. Actually, it works for
old style RSA also, provide you export to a binary file, not to an
ascii armored file.