how to use libgcrypt library

Werner Koch
Sun, 27 Jul 2003 20:13:32 +0200

On Sun, 27 Jul 2003 02:40:06 -0700, Neil Spring said:

> I also can't seem to use as small a key as I'd like -- anything smaller than 512 bits causes a GCRYERR_TOO_SHORT.  Suggestions for making smaller signatures with smaller keys would be appreciated -- 

PKCS#1 adds internal padding. For tehre security reasons there is a
minimum requirement how short this can be.  So when signing large data
with a short key, pkcs#1 can't be applied and thus the function must

Werner Koch                                      <>
The GnuPG Experts                      
Free Software Foundation Europe