From f73fba54dc8b30c6482e1e8abf15bbf455592fcd Mon Sep 17 00:00:00 2001 From: Rene Mayrhofer Date: Sun, 28 Nov 2010 11:42:20 +0000 Subject: [svn-upgrade] new version strongswan (4.5.0) --- src/libtls/tls_prf.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 src/libtls/tls_prf.h (limited to 'src/libtls/tls_prf.h') diff --git a/src/libtls/tls_prf.h b/src/libtls/tls_prf.h new file mode 100644 index 000000000..9fb9bc2de --- /dev/null +++ b/src/libtls/tls_prf.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2010 Martin Willi + * Copyright (C) 2010 revosec AG + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See . + * + * This program 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 General Public License + * for more details. + */ + +/** + * @defgroup tls_prf tls_prf + * @{ @ingroup libtls + */ + +#ifndef TLS_PRF_H_ +#define TLS_PRF_H_ + +typedef struct tls_prf_t tls_prf_t; + +#include + +/** + * The PRF function specified on TLS, based on HMAC. + */ +struct tls_prf_t { + + /** + * Set the key of the PRF function. + * + * @param key key to set + */ + void (*set_key)(tls_prf_t *this, chunk_t key); + + /** + * Generate a series of bytes using a label and a seed. + * + * @param label ASCII input label + * @param seed seed input value + * @param bytes number of bytes to get + * @param out buffer receiving bytes + */ + void (*get_bytes)(tls_prf_t *this, char *label, chunk_t seed, + size_t bytes, char *out); + + /** + * Destroy a tls_prf_t. + */ + void (*destroy)(tls_prf_t *this); +}; + +/** + * Create a tls_prf instance with specific algorithm as in TLS 1.2. + * + * @param prf underlying PRF function to use + * @return TLS PRF algorithm + */ +tls_prf_t *tls_prf_create_12(pseudo_random_function_t prf); + +/** + * Create a tls_prf instance with XOred SHA1/MD5 as in TLS 1.0/1.1. + * + * @return TLS PRF algorithm + */ +tls_prf_t *tls_prf_create_10(); + +#endif /** TLS_PRF_H_ @}*/ -- cgit v1.2.3