1 files changed, 0 insertions, 185 deletions
diff --git a/src/libstrongswan/crypto/signers/hmac_signer.c b/src/libstrongswan/crypto/signers/hmac_signer.c
deleted file mode 100644
index ad5b882a6..000000000
--- a/src/libstrongswan/crypto/signers/hmac_signer.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/**
- * @file hmac_signer.c
- * 
- * @brief Implementation of hmac_signer_t.
- * 
- */
-
-/*
- * Copyright (C) 2005-2006 Martin Willi
- * Copyright (C) 2005 Jan Hutter
- * 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 <string.h>
-
-#include "hmac_signer.h"
-
-#include <crypto/prfs/hmac_prf.h>
-
-typedef struct private_hmac_signer_t private_hmac_signer_t;
-
-/**
- * Private data structure with signing context.
- */
-struct private_hmac_signer_t {
-	/**
-	 * Public interface of hmac_signer_t.
-	 */
-	hmac_signer_t public;
-	
-	/**
-	 * Assigned hmac function.
-	 */
-	prf_t *hmac_prf;
-	
-	/**
-	 * Block size (truncation of HMAC Hash)
-	 */
-	size_t block_size;
-};
-
-/**
- * Implementation of signer_t.get_signature.
- */
-static void get_signature(private_hmac_signer_t *this, chunk_t data, u_int8_t *buffer)
-{
-	if (buffer == NULL)
-	{	/* append mode */
-		this->hmac_prf->get_bytes(this->hmac_prf, data, NULL);
-	}
-	else
-	{
-		u_int8_t full_mac[this->hmac_prf->get_block_size(this->hmac_prf)];
-		
-		this->hmac_prf->get_bytes(this->hmac_prf, data, full_mac);
-		memcpy(buffer, full_mac, this->block_size);
-	}
-}
-
-/**
- * Implementation of signer_t.allocate_signature.
- */
-static void allocate_signature (private_hmac_signer_t *this, chunk_t data, chunk_t *chunk)
-{
-	if (chunk == NULL)
-	{	/* append mode */
-		this->hmac_prf->get_bytes(this->hmac_prf, data, NULL);
-	}
-	else
-	{
-		chunk_t signature;
-		u_int8_t full_mac[this->hmac_prf->get_block_size(this->hmac_prf)];
-		
-		this->hmac_prf->get_bytes(this->hmac_prf, data, full_mac);
-
-		signature.ptr = malloc(this->block_size);
-		signature.len = this->block_size;
-		
-		memcpy(signature.ptr, full_mac, this->block_size);
-
-		*chunk = signature;
-	}
-}
-
-/**
- * Implementation of signer_t.verify_signature.
- */
-static bool verify_signature(private_hmac_signer_t *this, chunk_t data, chunk_t signature)
-{
-	u_int8_t full_mac[this->hmac_prf->get_block_size(this->hmac_prf)];
-	
-	this->hmac_prf->get_bytes(this->hmac_prf, data, full_mac);
-	
-	if (signature.len != this->block_size)
-	{
-		return FALSE;
-	}
-	
-	/* compare mac aka signature :-) */
-	if (memcmp(signature.ptr, full_mac, this->block_size) == 0)
-	{
-		return TRUE;
-	}
-	else
-	{
-		return FALSE;
-	}
-}
-
-/**
- * Implementation of signer_t.get_key_size.
- */
-static size_t get_key_size(private_hmac_signer_t *this)
-{
-	/* for HMAC signer, IKEv2 uses block size as key size */
-	return this->hmac_prf->get_block_size(this->hmac_prf);
-}
-
-/**
- * Implementation of signer_t.get_block_size.
- */
-static size_t get_block_size(private_hmac_signer_t *this)
-{
-	return this->block_size;
-}
-
-/**
- * Implementation of signer_t.set_key.
- */
-static void set_key(private_hmac_signer_t *this, chunk_t key)
-{
-	this->hmac_prf->set_key(this->hmac_prf, key);
-}
-
-/**
- * Implementation of signer_t.destroy.
- */
-static status_t destroy(private_hmac_signer_t *this)
-{
-	this->hmac_prf->destroy(this->hmac_prf);
-	free(this);
-	return SUCCESS;
-}
-
-/*
- * Described in header
- */
-hmac_signer_t *hmac_signer_create(hash_algorithm_t hash_algoritm, size_t block_size)
-{
-	size_t hmac_block_size;
-	private_hmac_signer_t *this = malloc_thing(private_hmac_signer_t);
-
-	this->hmac_prf = (prf_t *) hmac_prf_create(hash_algoritm);
-	if (this->hmac_prf == NULL)
-	{
-		/* algorithm not supported */
-		free(this);
-		return NULL;
-	}
-	
-	/* prevent invalid truncation */
-	hmac_block_size = this->hmac_prf->get_block_size(this->hmac_prf);
-	this->block_size = min(block_size, hmac_block_size);
-	
-	/* interface functions */
-	this->public.signer_interface.get_signature = (void (*) (signer_t*, chunk_t, u_int8_t*))get_signature;
-	this->public.signer_interface.allocate_signature = (void (*) (signer_t*, chunk_t, chunk_t*))allocate_signature;
-	this->public.signer_interface.verify_signature = (bool (*) (signer_t*, chunk_t, chunk_t))verify_signature;
-	this->public.signer_interface.get_key_size = (size_t (*) (signer_t*))get_key_size;
-	this->public.signer_interface.get_block_size = (size_t (*) (signer_t*))get_block_size;
-	this->public.signer_interface.set_key = (void (*) (signer_t*,chunk_t))set_key;
-	this->public.signer_interface.destroy = (void (*) (signer_t*))destroy;
-	
-	return &(this->public);
-}