1 files changed, 0 insertions, 215 deletions
diff --git a/src/libstrongswan/crypto/hmac.c b/src/libstrongswan/crypto/hmac.c
deleted file mode 100644
index df4f90bc8..000000000
--- a/src/libstrongswan/crypto/hmac.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/**
- * @file hmac.c
- * 
- * @brief Implementation of hmac_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 hmac 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 hmac License
- * for more details.
- */
-
-#include <string.h>
-
-#include "hmac.h"
-
-
-typedef struct private_hmac_t private_hmac_t;
-
-/**
- * Private data of a hmac_t object.
- * 
- * The variable names are the same as in the RFC.
- */
-struct private_hmac_t {
-	/**
-	 * Public hmac_t interface.
-	 */
-	hmac_t hmac;
-	
-	/**
-	 * Block size, as in RFC.
-	 */
-	u_int8_t b;
-	
-	/**
-	 * Hash function.
-	 */
-	hasher_t *h;
-	
-	/**
-	 * Previously xor'ed key using opad.
-	 */
-	chunk_t opaded_key;
-	
-	/**
-	 * Previously xor'ed key using ipad.
-	 */
-	chunk_t ipaded_key;
-};
-
-/**
- * Implementation of hmac_t.get_mac.
- */
-static void get_mac(private_hmac_t *this, chunk_t data, u_int8_t *out)
-{
-	/* H(K XOR opad, H(K XOR ipad, text)) 
-	 * 
-	 * if out is NULL, we append text to the inner hash.
-	 * else, we complete the inner and do the outer.
-	 * 
-	 */
-	
-	u_int8_t buffer[this->h->get_hash_size(this->h)];
-	chunk_t inner;
-	
-	if (out == NULL)
-	{
-		/* append data to inner */
-		this->h->get_hash(this->h, data, NULL);
-	}
-	else
-	{
-		/* append and do outer hash */
-		inner.ptr = buffer;
-		inner.len = this->h->get_hash_size(this->h);
-		
-		/* complete inner */
-		this->h->get_hash(this->h, data, buffer);
-		
-		/* do outer */
-		this->h->get_hash(this->h, this->opaded_key, NULL);
-		this->h->get_hash(this->h, inner, out);
-		
-		/* reinit for next call */
-		this->h->get_hash(this->h, this->ipaded_key, NULL);
-	}
-}
-
-/**
- * Implementation of hmac_t.allocate_mac.
- */
-static void allocate_mac(private_hmac_t *this, chunk_t data, chunk_t *out)
-{
-	/* allocate space and use get_mac */
-	if (out == NULL)
-	{
-		/* append mode */
-		this->hmac.get_mac(&(this->hmac), data, NULL);
-	}
-	else
-	{
-		out->len = this->h->get_hash_size(this->h);
-		out->ptr = malloc(out->len);
-		this->hmac.get_mac(&(this->hmac), data, out->ptr);
-	}
-}
-	
-/**
- * Implementation of hmac_t.get_block_size.
- */
-static size_t get_block_size(private_hmac_t *this)
-{
-	return this->h->get_hash_size(this->h);
-}
-
-/**
- * Implementation of hmac_t.set_key.
- */
-static void set_key(private_hmac_t *this, chunk_t key)
-{
-	int i;
-	u_int8_t buffer[this->b];
-	
-	memset(buffer, 0, this->b);
-	
-	if (key.len > this->b)
-	{	
-		/* if key is too long, it will be hashed */
-		this->h->get_hash(this->h, key, buffer);
-	}
-	else
-	{	
-		/* if not, just copy it in our pre-padded k */
-		memcpy(buffer, key.ptr, key.len);	
-	}
-			
-	/* apply ipad and opad to key */
-	for (i = 0; i < this->b; i++)
-	{
-		this->ipaded_key.ptr[i] = buffer[i] ^ 0x36;
-		this->opaded_key.ptr[i] = buffer[i] ^ 0x5C;
-	}
-	
-	/* begin hashing of inner pad */
-	this->h->reset(this->h);
-	this->h->get_hash(this->h, this->ipaded_key, NULL);
-}
-
-/**
- * Implementation of hmac_t.destroy.
- */
-static void destroy(private_hmac_t *this)
-{
-	this->h->destroy(this->h);
-	free(this->opaded_key.ptr);
-	free(this->ipaded_key.ptr);
-	free(this);
-}
-
-/*
- * Described in header
- */
-hmac_t *hmac_create(hash_algorithm_t hash_algorithm)
-{
-	private_hmac_t *this;
-	
-	this = malloc_thing(private_hmac_t);
-
-	/* set hmac_t methods */
-	this->hmac.get_mac = (void (*)(hmac_t *,chunk_t,u_int8_t*))get_mac;
-	this->hmac.allocate_mac = (void (*)(hmac_t *,chunk_t,chunk_t*))allocate_mac;
-	this->hmac.get_block_size = (size_t (*)(hmac_t *))get_block_size;
-	this->hmac.set_key = (void (*)(hmac_t *,chunk_t))set_key;
-	this->hmac.destroy = (void (*)(hmac_t *))destroy;
-	
-	/* set b, according to hasher */
-	switch (hash_algorithm)
-	{
-		case HASH_SHA1:
-		case HASH_MD5:
-		case HASH_SHA256:
-			this->b = 64;
-			break;
-		case HASH_SHA384:
-		case HASH_SHA512:
-			this->b = 128;
-			break;
-		default:
-			free(this);
-			return NULL;	
-	}
-		
-	/* build the hasher */
-	this->h = hasher_create(hash_algorithm);
-
-	/* build ipad and opad */
-	this->opaded_key.ptr = malloc(this->b);
-	this->opaded_key.len = this->b;
-
-	this->ipaded_key.ptr = malloc(this->b);
-	this->ipaded_key.len = this->b;
-
-	return &(this->hmac);
-}