+++ /dev/null
-/* -*-c-*-
- *
- * $Id: sslprf.h,v 1.2 2004/04/08 01:36:15 mdw Exp $
- *
- * The SSL pseudo-random function
- *
- * (c) 2001 Straylight/Edgeware
- */
-
-/*----- Licensing notice --------------------------------------------------*
- *
- * This file is part of Catacomb.
- *
- * Catacomb is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * Catacomb is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with Catacomb; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-#ifndef CATACOMB_SSLPRF_H
-#define CATACOMB_SSLPRF_H
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-/*----- Header files ------------------------------------------------------*/
-
-#ifndef CATACOMB_GMAC_H
-# include "gmac.h"
-#endif
-
-#ifndef CATACOMB_GRAND_H
-# include "grand.h"
-#endif
-
-/*----- Data structures ---------------------------------------------------*/
-
-typedef struct sslprf_ctx {
- const gchash *co, *ci; /* Outer and inner hash functions */
- size_t ohashsz, ihashsz; /* Size of the hash outputs */
- ghash *h; /* Hash context from last time */
- const octet *k; /* Pointer to the secret */
- size_t ksz; /* Size of the secret buffer */
- const octet *sd; /* Pointer to the seed */
- size_t sdsz; /* Size of the seed buffer */
- unsigned i; /* Which iteration this is */
- octet *p; /* Pointer to output buffer */
- size_t sz; /* How many bytes are left */
-} sslprf_ctx;
-
-/*----- Functions provided ------------------------------------------------*/
-
-/* --- @sslprf_init@ --- *
- *
- * Arguments: @sslprf_ctx *c@ = pointer to a context structure
- * @const gchash *hco, *hci@ = outer and inner hash functions
- * @const void *k@ = pointer to secret buffer
- * @size_t ksz@ = size of the secret
- * @const void *sd@ = pointer to seed buffer
- * @size_t sdsz@ = size of the seed
- *
- * Returns: ---
- *
- * Use: Initializes an SSL generator context.
- */
-
-extern void sslprf_init(sslprf_ctx */*c*/,
- const gchash */*hco*/, const gchash */*hci*/,
- const void */*k*/, size_t /*ksz*/,
- const void */*sd*/, size_t /*sdsz*/);
-
-/* --- @sslprf_encrypt@ --- *
- *
- * Arguments: @sslprf_ctx *c@ = pointer to a context structure
- * @const void *src@ = pointer to source buffer
- * @void *dest@ = pointer to destination buffer
- * @size_t sz@ = size of the buffers
- *
- * Returns: ---
- *
- * Use: Encrypts data using the SSL pseudo-random function. If the
- * destination pointer is null, the generator is spun and no
- * output is produced; if the source pointer is null, raw output
- * from the generator is written; otherwise, the source data is
- * XORed with the generator output.
- */
-
-extern void sslprf_encrypt(sslprf_ctx */*c*/,
- const void */*src*/, void */*dest*/,
- size_t /*sz*/);
-
-/* --- @sslprf_free@ --- *
- *
- * Arguments: @sslprf_ctx@ = pointer to a context
- *
- * Returns: ---
- *
- * Use: Frees resources held in an SSL generator context.
- */
-
-extern void sslprf_free(sslprf_ctx */*c*/);
-
-/* ---@sslprf_rand@ --- *
- *
- * Arguments: @const gchash *hco, const gchash *hci@ = hash functions
- * @const void *k@ = pointer to the key material
- * @size_t ksz@ = size of the key material
- * @const void *sd@ = pointer to the seed material
- * @size_t sdsz@ = size of the seed material
- *
- * Returns: Pointer to generic random number generator interface.
- *
- * Use: Creates a generic generator which does TLS data expansion.
- */
-
-extern grand *sslprf_rand(const gchash */*hco*/, const gchash */*hci*/,
- const void */*k*/, size_t /*ksz*/,
- const void */*sd*/, size_t /*sdsz*/);
-
-/*----- That's all, folks -------------------------------------------------*/
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif