Re: kernel-patch-int, non-us and non-free.
> No clue on MARS/RC5/RC6/IDEA.
For IDEA:
IDEA is patented by and can be licensed from ascom.ch
AFAIK noncomercial use is free.
If you want to get all info about IDEA mail to idea@ascom.ch
Here you have the first lines from the readme file of the idea
source distribution v2.1:
/*****************************************************************************/
/* IDEA Encryption Algorithm */
/*****************************************************************************/
/* */
/* IDEA (International Data Encryption Algorithm) is a block encryption */
/* algorithm whose development results from a co-operation between the */
/* Swiss Federal Institute of Technology Zurich (ETHZ) and Ascom Tech Ltd. */
/* IDEA encrypts or decrypts 64-bit data blocks, using symmetric 128-bit */
/* keys. The 128-bit keys are furthermore expanded to 52 16-bit subkeys. */
/* */
/* For detailed technical information on IDEA contact: */
/* */
/* Ascom Systec Ltd. E-Mail: IDEA@ASCOM.CH */
/* Gewerbepark http://WWW.ASCOM.COM/INFOSEC */
/* CH-5506 Maegenwil */
/* Switzerland */
/* */
/* Patent rights of Ascom Systec Ltd. granted in Europe, Japan and the US. */
/* All other rights reserved. */
/* */
/* For detailed patent information on IDEA contact: */
/* */
/* Ascom Systec Ltd. E-Mail: IDEA@ASCOM.CH */
/* Gewerbepark http://WWW.ASCOM.COM/INFOSEC */
/* CH-5506 Maegenwil */
/* Switzerland */
/* */
/*****************************************************************************/
/* */
/* Author: Alain Beuchat/Daniel Zimmermann */
/* Release: 2.1 */
/* */
/*****************************************************************************/
I hope this can help you
Daniel Fasnacht
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