1 files changed, 0 insertions, 157 deletions
diff --git a/Source/lib/crypto/prf_plus.c b/Source/lib/crypto/prf_plus.c
deleted file mode 100644
index d408d0517..000000000
--- a/Source/lib/crypto/prf_plus.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/**
- * @file prf_plus.c
- * 
- * @brief Implementation of prf_plus_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 <string.h>
-
-#include "prf_plus.h"
-
-#include <definitions.h>
-
-typedef struct private_prf_plus_t private_prf_plus_t;
-
-/**
- * Private data of an prf_plus_t object.
- * 
- */
-struct private_prf_plus_t {
-	/**
-	 * Public interface of prf_plus_t.
-	 */
-	prf_plus_t public;
-	
-	/**
-	 * PRF to use.
-	 */
-	prf_t *prf;
-	
-	/**
-	 * Initial seed.
-	 */
-	chunk_t seed;
-	
-	/**
-	 * Buffer to store current PRF result.
-	 */
-	chunk_t buffer;
-		
-	/**
-	 * Already given out bytes in current buffer.
-	 */
-	size_t given_out;
-	
-	/**
-	 * Octet which will be appended to the seed.
-	 */
-	u_int8_t appending_octet;
-};
-
-/**
- * Implementation of prf_plus_t.get_bytes.
- */
-static void get_bytes(private_prf_plus_t *this, size_t length, u_int8_t *buffer)
-{	
-	chunk_t appending_chunk;
-	size_t bytes_in_round;
-	size_t total_bytes_written = 0;
-	
-	appending_chunk.ptr = &(this->appending_octet);
-	appending_chunk.len = 1;
-	
-	while (length > 0)
-	{	/* still more to do... */
-		if (this->buffer.len == this->given_out)
-		{	/* no bytes left in buffer, get next*/	
-			this->prf->get_bytes(this->prf, this->buffer, NULL);
-			this->prf->get_bytes(this->prf, this->seed, NULL);
-			this->prf->get_bytes(this->prf, appending_chunk, this->buffer.ptr);
-			this->given_out = 0;
-			this->appending_octet++;
-		}
-		/* how many bytes can we write in this round ? */
-		bytes_in_round = min(length, this->buffer.len - this->given_out);
-		/* copy bytes from buffer with offset */
-		memcpy(buffer + total_bytes_written, this->buffer.ptr + this->given_out, bytes_in_round);
-		
-		length -= bytes_in_round;
-		this->given_out += bytes_in_round;
-		total_bytes_written += bytes_in_round;
-	}
-}
-
-/**
- * Implementation of prf_plus_t.allocate_bytes.
- */	
-static void allocate_bytes(private_prf_plus_t *this, size_t length, chunk_t *chunk)
-{
-	chunk->ptr = malloc(length);
-	chunk->len = length;
-	this->public.get_bytes(&(this->public), length, chunk->ptr);
-}
-
-/**
- * Implementation of prf_plus_t.destroy.
- */
-static void destroy(private_prf_plus_t *this)
-{
-	free(this->buffer.ptr);
-	free(this->seed.ptr);
-	free(this);
-}
-
-/*
- * Description in header.
- */
-prf_plus_t *prf_plus_create(prf_t *prf, chunk_t seed)
-{
-	private_prf_plus_t *this;
-	chunk_t appending_chunk;
-	
-	this = malloc_thing(private_prf_plus_t);
-
-	/* set public methods */
-	this->public.get_bytes = (void (*)(prf_plus_t *,size_t,u_int8_t*))get_bytes;
-	this->public.allocate_bytes = (void (*)(prf_plus_t *,size_t,chunk_t*))allocate_bytes;
-	this->public.destroy = (void (*)(prf_plus_t *))destroy;
-	
-	/* take over prf */
-	this->prf = prf;
-	
-	/* allocate buffer for prf output */
-	this->buffer.len = prf->get_block_size(prf);
-	this->buffer.ptr = malloc(this->buffer.len);
-
-	this->appending_octet = 0x01;
-	
-	/* clone seed */
-	this->seed.ptr = clalloc(seed.ptr, seed.len);
-	this->seed.len = seed.len;
-
-	/* do the first run */
-	appending_chunk.ptr = &(this->appending_octet);
-	appending_chunk.len = 1;
-	this->prf->get_bytes(this->prf, this->seed, NULL);
-	this->prf->get_bytes(this->prf, appending_chunk, this->buffer.ptr);
-	this->given_out = 0;
-	this->appending_octet++;
-	
-	return &(this->public);
-}