[PATCH] Add support for 128-bit keys in RC2

Nikos Mavrogiannopoulos nmav at gnutls.org
Tue Oct 1 15:24:22 CEST 2013

On 10/01/2013 01:59 PM, Werner Koch wrote:
> On Thu, 26 Sep 2013 23:20, lekensteyn at gmail.com said:
>> This patch adds support for decrypting (and encrypting) using 128-bit
>> keys using the RC2 algorithm.
> Actually our RC2 implementation supports any key size >= 40 bit.  I
> can't remember why I came up with the two identifiers

It must have been because of the effective key size reduction code used
in the 40 bit version. Since RC2-40 is the only version used in PKCS
#12, there may have been no incentive to have the "real" RC2.


More information about the Gcrypt-devel mailing list