- Added PKCS#5 PBKDF2 key derivation function
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@ -23,6 +23,7 @@ Features
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* Added Thumb assembly optimizations
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* Added DEFLATE compression support as per RFC3749 (requires zlib)
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* Added blowfish algorithm (Generic and cipher layer)
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* Added PKCS#5 PBKDF2 key derivation function
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Changes
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* Removed redundant POLARSSL_DEBUG_MSG define
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@ -582,6 +582,19 @@
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*/
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#define POLARSSL_PADLOCK_C
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/**
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* \def POLARSSL_PBKDF2_C
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*
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* Enable PKCS#5 PBKDF2 key derivation function
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*
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* Module: library/pbkdf2.c
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*
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* Requires: POLARSSL_MD_C
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*
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* This module adds support for the PKCS#5 PBKDF2 key derivation function.
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#define POLARSSL_PBKDF2_C
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*/
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/**
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* \def POLARSSL_PEM_C
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*
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@ -67,6 +67,7 @@
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* SHA1 1 0x0076-0x0076
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* SHA2 1 0x0078-0x0078
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* SHA4 1 0x007A-0x007A
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* PBKDF2 1 0x007C-0x007C
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*
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* High-level module nr (3 bits - 0x1...-0x8...)
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* Name ID Nr of Errors
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73
include/polarssl/pbkdf2.h
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73
include/polarssl/pbkdf2.h
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@ -0,0 +1,73 @@
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/**
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* \file pbkdf2.h
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*
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* \brief Password-Based Key Derivation Function 2 (from PKCS#5)
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*
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* \author Mathias Olsson <mathias@kompetensum.com>
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*
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* Copyright (C) 2006-2012, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_PBKDF2_H
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#define POLARSSL_PBKDF2_H
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#include <string.h>
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#include "md.h"
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#define POLARSSL_ERR_PBKDF2_BAD_INPUT_DATA -0x007C /**< Bad input parameters to function. */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief PKCS#5 PBKDF2 using HMAC
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*
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* \param ctx Generic HMAC context
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* \param password Password to use when generating key
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* \param plen Length of password
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* \param salt Salt to use when generating key
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* \param slen Length of salt
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* \param iteration_count Iteration count
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* \param key_length Length of generated key
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* \param output Generated key. Must be at least as big as key_length
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*
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* \returns 0 on success, or a PolarSSL error code if verification fails.
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*/
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int pbkdf2_hmac( md_context_t *ctx, const unsigned char *password,
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size_t plen, const unsigned char *salt, size_t slen,
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unsigned int iteration_count,
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unsigned long key_length, unsigned char *output );
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/**
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* \brief Checkup routine
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*
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* \return 0 if successful, or 1 if the test failed
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*/
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int pbkdf2_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* pbkdf2.h */
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@ -28,6 +28,7 @@ set(src
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md5.c
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net.c
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padlock.c
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pbkdf2.c
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pem.c
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pkcs11.c
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rsa.c
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@ -41,7 +41,8 @@ OBJS= aes.o arc4.o asn1parse.o \
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error.o gcm.o havege.o \
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md.o md_wrap.o md2.o \
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md4.o md5.o net.o \
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padlock.o pem.o pkcs11.o \
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padlock.o pbkdf2.o pem.o \
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pkcs11.o \
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rsa.o sha1.o sha2.o \
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sha4.o ssl_cli.o ssl_srv.o \
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ssl_tls.o timing.o version.o \
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215
library/pbkdf2.c
Normal file
215
library/pbkdf2.c
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@ -0,0 +1,215 @@
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/**
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* \file pbkdf2.c
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*
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* \brief Password-Based Key Derivation Function 2 (from PKCS#5)
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*
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* \author Mathias Olsson <mathias@kompetensum.com>
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*
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* Copyright (C) 2006-2012, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* PBKDF2 is part of PKCS#5
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*
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* http://tools.ietf.org/html/rfc2898 (Specification)
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* http://tools.ietf.org/html/rfc6070 (Test vectors)
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*/
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#include "polarssl/config.h"
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#if defined(POLARSSL_PBKDF2_C)
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#include "polarssl/pbkdf2.h"
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int pbkdf2_hmac( md_context_t *ctx, const unsigned char *password, size_t plen,
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const unsigned char *salt, size_t slen,
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unsigned int iteration_count,
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unsigned long key_length, unsigned char *output )
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{
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int ret, j;
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unsigned int i;
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unsigned char md1[POLARSSL_MD_MAX_SIZE];
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unsigned char work[POLARSSL_MD_MAX_SIZE];
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unsigned char md_size = md_get_size( ctx->md_info );
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size_t use_len;
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unsigned char *out_p = output;
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unsigned char counter[4];
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memset( counter, 0, 4 );
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counter[3] = 1;
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if( iteration_count > 0xFFFFFFFF )
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return( POLARSSL_ERR_PBKDF2_BAD_INPUT_DATA );
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while( key_length )
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{
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// U1 ends up in work
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//
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if( ( ret = md_hmac_starts( ctx, password, plen ) ) != 0 )
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return( ret );
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if( ( ret = md_hmac_update( ctx, salt, slen ) ) != 0 )
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return( ret );
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if( ( ret = md_hmac_update( ctx, counter, 4 ) ) != 0 )
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return( ret );
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if( ( ret = md_hmac_finish( ctx, work ) ) != 0 )
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return( ret );
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memcpy( md1, work, md_size );
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for ( i = 1; i < iteration_count; i++ )
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{
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// U2 ends up in md1
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//
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if( ( ret = md_hmac_starts( ctx, password, plen ) ) != 0 )
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return( ret );
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if( ( ret = md_hmac_update( ctx, md1, md_size ) ) != 0 )
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return( ret );
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if( ( ret = md_hmac_finish( ctx, md1 ) ) != 0 )
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return( ret );
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// U1 xor U2
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//
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for( j = 0; j < md_size; j++ )
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work[j] ^= md1[j];
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}
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use_len = ( key_length < md_size ) ? key_length : md_size;
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memcpy( out_p, work, use_len );
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key_length -= use_len;
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out_p += use_len;
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for( i = 4; i > 0; i-- )
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if( ++counter[i - 1] != 0 )
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break;
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}
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return( 0 );
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}
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#if defined(POLARSSL_SELF_TEST)
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#include <stdio.h>
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#define MAX_TESTS 6
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size_t plen[MAX_TESTS] =
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{ 8, 8, 8, 8, 24, 9 };
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unsigned char password[MAX_TESTS][32] =
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{
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"password",
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"password",
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"password",
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"password",
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"passwordPASSWORDpassword",
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"pass\0word",
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};
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size_t slen[MAX_TESTS] =
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{ 4, 4, 4, 4, 36, 5 };
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unsigned char salt[MAX_TESTS][40] =
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{
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"salt",
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"salt",
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"salt",
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"salt",
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"saltSALTsaltSALTsaltSALTsaltSALTsalt",
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"sa\0lt",
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};
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unsigned long it_cnt[MAX_TESTS] =
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{ 1, 2, 4096, 16777216, 4096, 4096 };
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unsigned long key_len[MAX_TESTS] =
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{ 20, 20, 20, 20, 25, 16 };
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unsigned char result_key[MAX_TESTS][32] =
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{
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{ 0x0c, 0x60, 0xc8, 0x0f, 0x96, 0x1f, 0x0e, 0x71,
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0xf3, 0xa9, 0xb5, 0x24, 0xaf, 0x60, 0x12, 0x06,
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0x2f, 0xe0, 0x37, 0xa6 },
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{ 0xea, 0x6c, 0x01, 0x4d, 0xc7, 0x2d, 0x6f, 0x8c,
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0xcd, 0x1e, 0xd9, 0x2a, 0xce, 0x1d, 0x41, 0xf0,
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0xd8, 0xde, 0x89, 0x57 },
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{ 0x4b, 0x00, 0x79, 0x01, 0xb7, 0x65, 0x48, 0x9a,
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0xbe, 0xad, 0x49, 0xd9, 0x26, 0xf7, 0x21, 0xd0,
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0x65, 0xa4, 0x29, 0xc1 },
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{ 0xee, 0xfe, 0x3d, 0x61, 0xcd, 0x4d, 0xa4, 0xe4,
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0xe9, 0x94, 0x5b, 0x3d, 0x6b, 0xa2, 0x15, 0x8c,
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0x26, 0x34, 0xe9, 0x84 },
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{ 0x3d, 0x2e, 0xec, 0x4f, 0xe4, 0x1c, 0x84, 0x9b,
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0x80, 0xc8, 0xd8, 0x36, 0x62, 0xc0, 0xe4, 0x4a,
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0x8b, 0x29, 0x1a, 0x96, 0x4c, 0xf2, 0xf0, 0x70,
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0x38 },
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{ 0x56, 0xfa, 0x6a, 0xa7, 0x55, 0x48, 0x09, 0x9d,
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0xcc, 0x37, 0xd7, 0xf0, 0x34, 0x25, 0xe0, 0xc3 },
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};
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int pbkdf2_self_test( int verbose )
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{
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md_context_t sha1_ctx;
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const md_info_t *info_sha1;
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int ret, i;
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unsigned char key[64];
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info_sha1 = md_info_from_type( POLARSSL_MD_SHA1 );
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if( info_sha1 == NULL )
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return( 1 );
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if( ( ret = md_init_ctx( &sha1_ctx, info_sha1 ) ) != 0 )
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return( 1 );
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for( i = 0; i < MAX_TESTS; i++ )
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{
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printf( " PBKDF2 (SHA1) #%d: ", i );
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ret = pbkdf2_hmac( &sha1_ctx, password[i], plen[i], salt[i], slen[i],
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it_cnt[i], key_len[i], key );
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if( ret != 0 ||
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memcmp( result_key[i], key, key_len[i] ) != 0 )
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{
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if( verbose != 0 )
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printf( "failed\n" );
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return( 1 );
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}
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if( verbose != 0 )
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printf( "passed\n" );
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}
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printf( "\n" );
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return( 0 );
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}
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#endif /* POLARSSL_SELF_TEST */
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#endif /* POLARSSL_PBKDF2_C */
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@ -49,6 +49,7 @@
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#include "polarssl/rsa.h"
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#include "polarssl/x509.h"
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#include "polarssl/xtea.h"
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#include "polarssl/pbkdf2.h"
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int main( int argc, char *argv[] )
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{
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@ -149,6 +150,11 @@ int main( int argc, char *argv[] )
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return( ret );
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#endif
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#if defined(POLARSSL_PBKDF2_C)
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if( ( ret = pbkdf2_self_test( v ) ) != 0 )
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return( ret );
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#endif
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#else
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printf( " POLARSSL_SELF_TEST not defined.\n" );
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#endif
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@ -52,6 +52,7 @@ add_test_suite(hmac_shax)
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add_test_suite(md)
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add_test_suite(mdx)
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add_test_suite(mpi)
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add_test_suite(pbkdf2)
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add_test_suite(pkcs1_v21)
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add_test_suite(shax)
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add_test_suite(rsa)
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@ -33,7 +33,8 @@ APPS = test_suite_aes test_suite_arc4 \
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test_suite_error test_suite_gcm.decrypt \
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test_suite_gcm.decrypt test_suite_hmac_shax \
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test_suite_md test_suite_mdx \
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test_suite_mpi test_suite_pkcs1_v21 \
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test_suite_mpi test_suite_pbkdf2 \
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test_suite_pkcs1_v21 \
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test_suite_rsa test_suite_shax \
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test_suite_x509parse test_suite_x509write \
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test_suite_xtea test_suite_version
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@ -154,6 +155,10 @@ test_suite_mpi: test_suite_mpi.c ../library/libpolarssl.a
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echo " CC $@.c"
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$(CC) $(CFLAGS) $(OFLAGS) $@.c $(LDFLAGS) -o $@
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test_suite_pbkdf2: test_suite_pbkdf2.c ../library/libpolarssl.a
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echo " CC $@.c"
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$(CC) $(CFLAGS) $(OFLAGS) $@.c $(LDFLAGS) -o $@
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test_suite_pkcs1_v21: test_suite_pkcs1_v21.c ../library/libpolarssl.a
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echo " CC $@.c"
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$(CC) $(CFLAGS) $(OFLAGS) $@.c $(LDFLAGS) -o $@
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14
tests/suites/test_suite_pbkdf2.data
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14
tests/suites/test_suite_pbkdf2.data
Normal file
@ -0,0 +1,14 @@
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PBKDF2 RFC 6070 Test Vector #1 (SHA1)
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pbkdf2_hmac:POLARSSL_MD_SHA1:"70617373776f7264":"73616c74":1:20:"0c60c80f961f0e71f3a9b524af6012062fe037a6"
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PBKDF2 RFC 6070 Test Vector #2 (SHA1)
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pbkdf2_hmac:POLARSSL_MD_SHA1:"70617373776f7264":"73616c74":2:20:"ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957"
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PBKDF2 RFC 6070 Test Vector #3 (SHA1)
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pbkdf2_hmac:POLARSSL_MD_SHA1:"70617373776f7264":"73616c74":4096:20:"4b007901b765489abead49d926f721d065a429c1"
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PBKDF2 RFC 6070 Test Vector #5 (SHA1)
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pbkdf2_hmac:POLARSSL_MD_SHA1:"70617373776f726450415353574f524470617373776f7264":"73616c7453414c5473616c7453414c5473616c7453414c5473616c7453414c5473616c74":4096:25:"3d2eec4fe41c849b80c8d83662c0e44a8b291a964cf2f07038"
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PBKDF2 RFC 6070 Test Vector #6 (SHA1)
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pbkdf2_hmac:POLARSSL_MD_SHA1:"7061737300776f7264":"7361006c74":4096:16:"56fa6aa75548099dcc37d7f03425e0c3"
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39
tests/suites/test_suite_pbkdf2.function
Normal file
39
tests/suites/test_suite_pbkdf2.function
Normal file
@ -0,0 +1,39 @@
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BEGIN_HEADER
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#include <polarssl/pbkdf2.h>
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END_HEADER
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BEGIN_DEPENDENCIES
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depends_on:POLARSSL_PBKDF2_C
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END_DEPENDENCIES
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BEGIN_CASE
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pbkdf2_hmac:hash:hex_password_string:hex_salt_string:it_cnt:key_len:result_key_string
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{
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unsigned char pw_str[100];
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unsigned char salt_str[100];
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unsigned char dst_str[100];
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md_context_t ctx;
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const md_info_t *info;
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int pw_len, salt_len;
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unsigned char key[100];
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memset(pw_str, 0x00, 100);
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memset(salt_str, 0x00, 100);
|
||||
memset(dst_str, 0x00, 100);
|
||||
|
||||
pw_len = unhexify( pw_str, {hex_password_string} );
|
||||
salt_len = unhexify( salt_str, {hex_salt_string} );
|
||||
|
||||
|
||||
info = md_info_from_type( {hash} );
|
||||
TEST_ASSERT( info != NULL );
|
||||
TEST_ASSERT( md_init_ctx( &ctx, info ) == 0 );
|
||||
TEST_ASSERT( pbkdf2_hmac( &ctx, pw_str, pw_len, salt_str, salt_len,
|
||||
{it_cnt}, {key_len}, key ) == 0 );
|
||||
|
||||
hexify( dst_str, key, {key_len} );
|
||||
TEST_ASSERT( strcmp( (char *) dst_str, {result_key_string} ) == 0 );
|
||||
}
|
||||
END_CASE
|
Loading…
Reference in New Issue
Block a user