RSA sign/verify and hash generation functions

Murray S. Kucherawy msk at
Wed Dec 8 21:22:29 CET 2010

> -----Original Message-----
> From: Murray S. Kucherawy
> Sent: Wednesday, December 08, 2010 12:18 PM
> To: Nikos Mavrogiannopoulos
> Cc: help-gnutls at
> Subject: RE: RSA sign/verify and hash generation functions
> Here's something interesting I found while trying to figure this out.
> [...]
> Note that when using GnuTLS, the leading "00" octet in the modulus is
> missing.  Is this expected?  Could it explain the different signature I
> get from GnuTLS 2.11.6?

This appears also to be the case with the two primes in the private key.  The coefficient and the private exponent seem to be correct.

More information about the Gnutls-help mailing list