[PATCH] Truncate hash values for ECDSA signature scheme

[Werner Koch]

On Mon, 16 Dec 2013 17:34, dbaryshkov at gmail.com said:
> * cipher/ecc-ecdsa.c (_gcry_ecc_ecdsa_sign, _gcry_ecc_ecdsa_verify):
>   as required by ECDSA scheme, truncate hash values to bitlength of
>   used curve.

Please explain and name the specs.  In particular I wonder about
truncating the less significant bits.


Salam-Shalom,

   Werner

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