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/*
mpaux.h
Author: Tatu Ylonen <ylo@cs.hut.fi>
Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
All rights reserved
Created: Sun Jul 16 04:29:30 1995 ylo
This file contains various auxiliary functions related to multiple
precision integers.
*/
/* RCSID("$Id: mpaux.h,v 1.1 1999/09/26 20:53:36 deraadt Exp $"); */
#ifndef MPAUX_H
#define MPAUX_H
/* Converts a multiple-precision integer into bytes to be stored in the buffer.
The buffer will contain the value of the integer, msb first. */
void mp_linearize_msb_first(unsigned char *buf, unsigned int len,
MP_INT *value);
/* Extract a multiple-precision integer from buffer. The value is stored
in the buffer msb first. */
void mp_unlinearize_msb_first(MP_INT *value, const unsigned char *buf,
unsigned int len);
/* Computes a 16-byte session id in the global variable session_id.
The session id is computed by concatenating the linearized, msb
first representations of host_key_n, session_key_n, and the cookie. */
void compute_session_id(unsigned char session_id[16],
unsigned char cookie[8],
unsigned int host_key_bits,
MP_INT *host_key_n,
unsigned int session_key_bits,
MP_INT *session_key_n);
#endif /* MPAUX_H */
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