diff options
Diffstat (limited to 'Source/charon/transforms/prfs')
| -rw-r--r-- | Source/charon/transforms/prfs/Makefile.prfs | 23 | ||||
| -rw-r--r-- | Source/charon/transforms/prfs/hmac_prf.c | 118 | ||||
| -rw-r--r-- | Source/charon/transforms/prfs/hmac_prf.h | 64 | ||||
| -rw-r--r-- | Source/charon/transforms/prfs/prf.c | 67 | ||||
| -rw-r--r-- | Source/charon/transforms/prfs/prf.h | 136 |
5 files changed, 0 insertions, 408 deletions
diff --git a/Source/charon/transforms/prfs/Makefile.prfs b/Source/charon/transforms/prfs/Makefile.prfs deleted file mode 100644 index 378d8bd0b..000000000 --- a/Source/charon/transforms/prfs/Makefile.prfs +++ /dev/null @@ -1,23 +0,0 @@ -# Copyright (C) 2005 Jan Hutter, Martin Willi -# Hochschule fuer Technik Rapperswil -# -# 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 <http://www.fsf.org/copyleft/gpl.txt>. -# -# 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. -# - -PRFS_DIR= $(TRANSFORMS_DIR)prfs/ - -OBJS+= $(BUILD_DIR)prf.o -$(BUILD_DIR)prf.o : $(PRFS_DIR)prf.c $(PRFS_DIR)prf.h - $(CC) $(CFLAGS) -c -o $@ $< - -OBJS+= $(BUILD_DIR)hmac_prf.o -$(BUILD_DIR)hmac_prf.o : $(PRFS_DIR)hmac_prf.c $(PRFS_DIR)hmac_prf.h - $(CC) $(CFLAGS) -c -o $@ $< diff --git a/Source/charon/transforms/prfs/hmac_prf.c b/Source/charon/transforms/prfs/hmac_prf.c deleted file mode 100644 index ce4330090..000000000 --- a/Source/charon/transforms/prfs/hmac_prf.c +++ /dev/null @@ -1,118 +0,0 @@ -/** - * @file hmac_prf.c - * - * @brief Implementation for hmac_prf_t. - * - */ - -/* - * Copyright (C) 2005 Jan Hutter, Martin Willi - * Hochschule fuer Technik Rapperswil - * - * 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 <http://www.fsf.org/copyleft/gpl.txt>. - * - * 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. - */ - -#include "hmac_prf.h" - -#include <utils/allocator.h> -#include <transforms/hmac.h> - - -typedef struct private_hmac_prf_t private_hmac_prf_t; - -/** - * Private data of a hma_prf_t object. - */ -struct private_hmac_prf_t { - /** - * Public hmac_prf_t interface. - */ - hmac_prf_t public; - - /** - * Hmac to use for generation. - */ - hmac_t *hmac; -}; - -/** - * Implementation of prf_t.get_bytes. - */ -static void get_bytes(private_hmac_prf_t *this, chunk_t seed, u_int8_t *buffer) -{ - this->hmac->get_mac(this->hmac, seed, buffer); -} - -/** - * Implementation of prf_t.allocate_bytes. - */ -static void allocate_bytes(private_hmac_prf_t *this, chunk_t seed, chunk_t *chunk) -{ - this->hmac->allocate_mac(this->hmac, seed, chunk); -} - -/** - * Implementation of prf_t.get_block_size. - */ -static size_t get_block_size(private_hmac_prf_t *this) -{ - return this->hmac->get_block_size(this->hmac); -} - -/** - * Implementation of prf_t.get_block_size. - */ -static size_t get_key_size(private_hmac_prf_t *this) -{ - /* for HMAC prfs, IKEv2 uses block size as key size */ - return this->hmac->get_block_size(this->hmac); -} - -/** - * Implementation of prf_t.set_key. - */ -static void set_key(private_hmac_prf_t *this, chunk_t key) -{ - this->hmac->set_key(this->hmac, key); -} - -/** - * Implementation of prf_t.destroy. - */ -static void destroy(private_hmac_prf_t *this) -{ - allocator_free(this); - this->hmac->destroy(this->hmac); -} - -/* - * Described in header. - */ -hmac_prf_t *hmac_prf_create(hash_algorithm_t hash_algorithm) -{ - private_hmac_prf_t *this = allocator_alloc_thing(private_hmac_prf_t); - - this->public.prf_interface.get_bytes = (void (*) (prf_t *,chunk_t,u_int8_t*))get_bytes; - this->public.prf_interface.allocate_bytes = (void (*) (prf_t*,chunk_t,chunk_t*))allocate_bytes; - this->public.prf_interface.get_block_size = (size_t (*) (prf_t*))get_block_size; - this->public.prf_interface.get_key_size = (size_t (*) (prf_t*))get_key_size; - this->public.prf_interface.set_key = (void (*) (prf_t *,chunk_t))set_key; - this->public.prf_interface.destroy = (void (*) (prf_t *))destroy; - - this->hmac = hmac_create(hash_algorithm); - if (this->hmac == NULL) - { - allocator_free(this); - return NULL; - } - - return &(this->public); -} diff --git a/Source/charon/transforms/prfs/hmac_prf.h b/Source/charon/transforms/prfs/hmac_prf.h deleted file mode 100644 index 6ccfceef2..000000000 --- a/Source/charon/transforms/prfs/hmac_prf.h +++ /dev/null @@ -1,64 +0,0 @@ -/** - * @file hmac_prf.h - * - * @brief Interface of hmac_prf_t. - * - */ - -/* - * Copyright (C) 2005 Jan Hutter, Martin Willi - * Hochschule fuer Technik Rapperswil - * - * 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 <http://www.fsf.org/copyleft/gpl.txt>. - * - * 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. - */ - -#ifndef PRF_HMAC_H_ -#define PRF_HMAC_H_ - -#include <types.h> -#include <transforms/prfs/prf.h> -#include <transforms/hashers/hasher.h> - -typedef struct hmac_prf_t hmac_prf_t; - -/** - * @brief Implementation of prf_t interface using the - * HMAC algorithm. - * - * This simply wraps a hmac_t in a prf_t. More a question of - * interface matching. - * - * @b Constructors: - * - hmac_prf_create() - * - * @ingroup prfs - */ -struct hmac_prf_t { - - /** - * Generic prf_t interface for this hmac_prf_t class. - */ - prf_t prf_interface; -}; - -/** - * @brief Creates a new hmac_prf_t object. - * - * @param hash_algorithm hmac's hash algorithm - * @return - * - hmac_prf_t object - * - NULL if hash not supported - * - * @ingroup prfs - */ -hmac_prf_t *hmac_prf_create(hash_algorithm_t hash_algorithm); - -#endif /*PRF_HMAC_SHA1_H_*/ diff --git a/Source/charon/transforms/prfs/prf.c b/Source/charon/transforms/prfs/prf.c deleted file mode 100644 index b9bd7a51a..000000000 --- a/Source/charon/transforms/prfs/prf.c +++ /dev/null @@ -1,67 +0,0 @@ -/** - * @file prf.c - * - * @brief Generic constructor for all prf_t - * - */ - -/* - * Copyright (C) 2005 Jan Hutter, Martin Willi - * Hochschule fuer Technik Rapperswil - * - * 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 <http://www.fsf.org/copyleft/gpl.txt>. - * - * 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. - */ - - -#include "prf.h" - -#include <transforms/hashers/hasher.h> -#include <transforms/prfs/hmac_prf.h> - - -/** - * String mappings for encryption_algorithm_t. - */ -mapping_t pseudo_random_function_m[] = { -{PRF_UNDEFINED, "PRF_UNDEFINED"}, -{PRF_HMAC_MD5, "PRF_HMAC_MD5"}, -{PRF_HMAC_SHA1, "PRF_HMAC_SHA1"}, -{PRF_HMAC_TIGER, "PRF_HMAC_TIGER"}, -{PRF_AES128_CBC, "PRF_AES128_CBC"}, -{MAPPING_END, NULL} -}; - -/* - * Described in header. - */ -prf_t *prf_create(pseudo_random_function_t pseudo_random_function) -{ - switch (pseudo_random_function) - { - case PRF_HMAC_SHA1: - { - return (prf_t*)hmac_prf_create(HASH_SHA1); - } - case PRF_HMAC_MD5: - { - return (prf_t*)hmac_prf_create(HASH_MD5); - } - case PRF_HMAC_TIGER: - case PRF_AES128_CBC: - default: - return NULL; - } -} - - - - - diff --git a/Source/charon/transforms/prfs/prf.h b/Source/charon/transforms/prfs/prf.h deleted file mode 100644 index b1c1e6a66..000000000 --- a/Source/charon/transforms/prfs/prf.h +++ /dev/null @@ -1,136 +0,0 @@ -/** - * @file prf.h - * - * @brief Interface prf_t. - * - */ - -/* - * Copyright (C) 2005 Jan Hutter, Martin Willi - * Hochschule fuer Technik Rapperswil - * - * 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 <http://www.fsf.org/copyleft/gpl.txt>. - * - * 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. - */ - -#ifndef PRF_H_ -#define PRF_H_ - -#include <types.h> - -typedef enum pseudo_random_function_t pseudo_random_function_t; - -/** - * @brief Pseudo random function, as in IKEv2 RFC 3.3.2. - * - * Currently only the following algorithms are implemented and therefore supported: - * - PRF_HMAC_MD5 - * - PRF_HMAC_SHA1 - * - * @ingroup prfs - */ -enum pseudo_random_function_t { - PRF_UNDEFINED = 1024, - /** - * Implemented in class hmac_prf_t. - */ - PRF_HMAC_MD5 = 1, - /** - * Implemented in class hmac_prf_t. - */ - PRF_HMAC_SHA1 = 2, - PRF_HMAC_TIGER = 3, - PRF_AES128_CBC = 4 -}; - -/** - * String mappings for encryption_algorithm_t. - */ -extern mapping_t pseudo_random_function_m[]; - - -typedef struct prf_t prf_t; - -/** - * @brief Generic interface for pseudo-random-functions. - * - * @b Constructors: - * - prf_create() - * - hmac_prf_create() - * - * @todo Implement more prf algorithms - * - * @ingroup prfs - */ -struct prf_t { - /** - * @brief Generates pseudo random bytes and writes them - * in the buffer. - * - * @param this calling object - * @param seed a chunk containing the seed for the next bytes - * @param[out] buffer pointer where the generated bytes will be written - */ - void (*get_bytes) (prf_t *this, chunk_t seed, u_int8_t *buffer); - - /** - * @brief Generates pseudo random bytes and allocate space for them. - * - * @param this calling object - * @param seed a chunk containing the seed for the next bytes - * @param[out] chunk chunk which will hold generated bytes - */ - void (*allocate_bytes) (prf_t *this, chunk_t seed, chunk_t *chunk); - - /** - * @brief Get the block size of this prf_t object. - * - * @param this calling object - * @return block size in bytes - */ - size_t (*get_block_size) (prf_t *this); - - /** - * @brief Get the key size of this prf_t object. - * - * @param this calling object - * @return key size in bytes - */ - size_t (*get_key_size) (prf_t *this); - - /** - * @brief Set the key for this prf_t object. - * - * @param this calling object - * @param key key to set - */ - void (*set_key) (prf_t *this, chunk_t key); - - /** - * @brief Destroys a prf object. - * - * @param this calling object - */ - void (*destroy) (prf_t *this); -}; - -/** - * @brief Generic constructor for a prf_t oject. - * - * @param pseudo_random_function Algorithm to use - * @return - * - prf_t object - * - NULL if prf algorithm not supported - * - * @ingroup prfs - */ -prf_t *prf_create(pseudo_random_function_t pseudo_random_function); - -#endif /*PRF_H_*/ |