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Add WolfSSL Library as an external library

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Schoumi 2023-02-06 14:40:08 +01:00
parent 81dc97e8d9
commit 774aa71caf
437 changed files with 1378533 additions and 0 deletions
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7
Makefile
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@ -42,6 +42,13 @@ A_SRC = $(wildcard */*.s)
A_SRC += $(wildcard lib/*/*.s)
A_SRC += $(wildcard lib/protocols/*/*.s)
# EXTLIB External Lib
## WOLFSSL
WOLFSSL ?= no
ifeq ($(WOLFSSL),yes)
CFLAGS += -DWOLFSSL_USER_SETTINGS
C_SRC += $(wildcard extlib/wolfssl/*.c)
endif
OBJS = ${C_SRC:%.c=${OBJDIR}/%.o} ${A_SRC:%.s=${OBJDIR}/%.o}
DEPS = ${OBJS:%.o=$(OBJDIR)/%.d}

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GNU GENERAL PUBLIC LICENSE
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wolfSSL (formerly known as CyaSSL) and wolfCrypt are either licensed for use
under the GPLv2 (or at your option any later version) or a standard commercial
license. For our users who cannot use wolfSSL under GPLv2
(or any later version), a commercial license to wolfSSL and wolfCrypt is
available.
Please contact wolfSSL Inc. directly at:
Email: licensing@wolfssl.com
Phone: +1 425 245-8247
More information can be found on the wolfSSL website at www.wolfssl.com.

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5.5.0

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/* arc4.c
*
* Copyright (C) 2006-2022 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL 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.
*
* wolfSSL 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "extlib/wolfssl/wolfcrypt/settings.h"
#ifndef NO_RC4
#include "extlib/wolfssl/wolfcrypt/error-crypt.h"
#include "extlib/wolfssl/wolfcrypt/arc4.h"
int wc_Arc4SetKey(Arc4* arc4, const byte* key, word32 length)
{
int ret = 0;
word32 i;
word32 keyIndex = 0, stateIndex = 0;
if (arc4 == NULL || key == NULL || length == 0) {
return BAD_FUNC_ARG;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ARC4) && \
defined(HAVE_CAVIUM) && !defined(HAVE_CAVIUM_V)
if (arc4->asyncDev.marker == WOLFSSL_ASYNC_MARKER_ARC4) {
return NitroxArc4SetKey(arc4, key, length);
}
#endif
arc4->x = 1;
arc4->y = 0;
for (i = 0; i < ARC4_STATE_SIZE; i++)
arc4->state[i] = (byte)i;
for (i = 0; i < ARC4_STATE_SIZE; i++) {
word32 a = arc4->state[i];
stateIndex += key[keyIndex] + a;
stateIndex &= 0xFF;
arc4->state[i] = arc4->state[stateIndex];
arc4->state[stateIndex] = (byte)a;
if (++keyIndex >= length)
keyIndex = 0;
}
return ret;
}
static WC_INLINE byte MakeByte(word32* x, word32* y, byte* s)
{
word32 a = s[*x], b;
*y = (*y+a) & 0xff;
b = s[*y];
s[*x] = (byte)b;
s[*y] = (byte)a;
*x = (*x+1) & 0xff;
return s[(a+b) & 0xff];
}
int wc_Arc4Process(Arc4* arc4, byte* out, const byte* in, word32 length)
{
int ret = 0;
word32 x;
word32 y;
if (arc4 == NULL || out == NULL || in == NULL) {
return BAD_FUNC_ARG;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ARC4) && \
defined(HAVE_CAVIUM) && !defined(HAVE_CAVIUM_V)
if (arc4->asyncDev.marker == WOLFSSL_ASYNC_MARKER_ARC4) {
return NitroxArc4Process(arc4, out, in, length);
}
#endif
x = arc4->x;
y = arc4->y;
while(length--)
*out++ = *in++ ^ MakeByte(&x, &y, arc4->state);
arc4->x = (byte)x;
arc4->y = (byte)y;
return ret;
}
/* Initialize Arc4 for use with async device */
int wc_Arc4Init(Arc4* arc4, void* heap, int devId)
{
int ret = 0;
if (arc4 == NULL)
return BAD_FUNC_ARG;
arc4->heap = heap;
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ARC4)
ret = wolfAsync_DevCtxInit(&arc4->asyncDev, WOLFSSL_ASYNC_MARKER_ARC4,
arc4->heap, devId);
#else
(void)devId;
#endif /* WOLFSSL_ASYNC_CRYPT */
return ret;
}
/* Free Arc4 from use with async device */
void wc_Arc4Free(Arc4* arc4)
{
if (arc4 == NULL)
return;
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_ARC4)
wolfAsync_DevCtxFree(&arc4->asyncDev, WOLFSSL_ASYNC_MARKER_ARC4);
#endif /* WOLFSSL_ASYNC_CRYPT */
}
#endif /* NO_RC4 */

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/*
BLAKE2 reference source code package - reference C implementations
Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
To the extent possible under law, the author(s) have dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
/* blake2b.c
*
* Copyright (C) 2006-2022 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL 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.
*
* wolfSSL 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "extlib/wolfssl/wolfcrypt/settings.h"
#ifdef HAVE_BLAKE2
#include "extlib/wolfssl/wolfcrypt/blake2.h"
#include "extlib/wolfssl/wolfcrypt/blake2-impl.h"
#include "extlib/wolfssl/wolfcrypt/error-crypt.h"
static const word64 blake2b_IV[8] =
{
0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
};
static const byte blake2b_sigma[12][16] =
{
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } ,
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }
};
static WC_INLINE int blake2b_set_lastnode( blake2b_state *S )
{
S->f[1] = ~0ULL;
return 0;
}
/* Some helper functions, not necessarily useful */
static WC_INLINE int blake2b_set_lastblock( blake2b_state *S )
{
if( S->last_node ) blake2b_set_lastnode( S );
S->f[0] = ~0ULL;
return 0;
}
static WC_INLINE int blake2b_increment_counter( blake2b_state *S, const word64
inc )
{
S->t[0] += inc;
S->t[1] += ( S->t[0] < inc );
return 0;
}
static WC_INLINE int blake2b_init0( blake2b_state *S )
{
int i;
XMEMSET( S, 0, sizeof( blake2b_state ) );
for( i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i];
return 0;
}
/* init xors IV with input parameter block */
int blake2b_init_param( blake2b_state *S, const blake2b_param *P )
{
word32 i;
byte *p ;
blake2b_init0( S );
p = ( byte * )( P );
/* IV XOR ParamBlock */
for( i = 0; i < 8; ++i )
S->h[i] ^= load64( p + sizeof( S->h[i] ) * i );
return 0;
}
int blake2b_init( blake2b_state *S, const byte outlen )
{
#ifdef WOLFSSL_BLAKE2B_INIT_EACH_FIELD
blake2b_param P[1];
#else
volatile blake2b_param P[1];
#endif
if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return BAD_FUNC_ARG;
#ifdef WOLFSSL_BLAKE2B_INIT_EACH_FIELD
P->digest_length = outlen;
P->key_length = 0;
P->fanout = 1;
P->depth = 1;
store32( &P->leaf_length, 0 );
store64( &P->node_offset, 0 );
P->node_depth = 0;
P->inner_length = 0;
XMEMSET( P->reserved, 0, sizeof( P->reserved ) );
XMEMSET( P->salt, 0, sizeof( P->salt ) );
XMEMSET( P->personal, 0, sizeof( P->personal ) );
#else
XMEMSET( (blake2b_param *)P, 0, sizeof( *P ) );
P->digest_length = outlen;
P->fanout = 1;
P->depth = 1;
#endif
return blake2b_init_param( S, (blake2b_param *)P );
}
int blake2b_init_key( blake2b_state *S, const byte outlen, const void *key,
const byte keylen )
{
int ret = 0;
#ifdef WOLFSSL_BLAKE2B_INIT_EACH_FIELD
blake2b_param P[1];
#else
volatile blake2b_param P[1];
#endif
if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return BAD_FUNC_ARG;
if ( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return BAD_FUNC_ARG;
#ifdef WOLFSSL_BLAKE2B_INIT_EACH_FIELD
P->digest_length = outlen;
P->key_length = keylen;
P->fanout = 1;
P->depth = 1;
store32( &P->leaf_length, 0 );
store64( &P->node_offset, 0 );
P->node_depth = 0;
P->inner_length = 0;
XMEMSET( P->reserved, 0, sizeof( P->reserved ) );
XMEMSET( P->salt, 0, sizeof( P->salt ) );
XMEMSET( P->personal, 0, sizeof( P->personal ) );
#else
XMEMSET( (blake2b_param *)P, 0, sizeof( *P ) );
P->digest_length = outlen;
P->key_length = keylen;
P->fanout = 1;
P->depth = 1;
#endif
ret = blake2b_init_param( S, (blake2b_param *)P );
if ( ret < 0 ) return ret;
{
#ifdef WOLFSSL_SMALL_STACK
byte* block;
block = (byte*)XMALLOC(BLAKE2B_BLOCKBYTES, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if ( block == NULL ) return MEMORY_E;
#else
byte block[BLAKE2B_BLOCKBYTES];
#endif
XMEMSET( block, 0, BLAKE2B_BLOCKBYTES );
XMEMCPY( block, key, keylen );
ret = blake2b_update( S, block, BLAKE2B_BLOCKBYTES );
secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from */
/* memory */
#ifdef WOLFSSL_SMALL_STACK
XFREE(block, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
}
return ret;
}
static WC_INLINE int blake2b_compress(
blake2b_state *S,
const byte block[BLAKE2B_BLOCKBYTES],
word64* m,
word64* v)
{
int i;
for( i = 0; i < 16; ++i )
m[i] = load64( block + i * sizeof( m[i] ) );
for( i = 0; i < 8; ++i )
v[i] = S->h[i];
v[ 8] = blake2b_IV[0];
v[ 9] = blake2b_IV[1];
v[10] = blake2b_IV[2];
v[11] = blake2b_IV[3];
v[12] = S->t[0] ^ blake2b_IV[4];
v[13] = S->t[1] ^ blake2b_IV[5];
v[14] = S->f[0] ^ blake2b_IV[6];
v[15] = S->f[1] ^ blake2b_IV[7];
#define G(r,i,a,b,c,d) \
do { \
(a) = (a) + (b) + m[blake2b_sigma[r][2*(i)+0]]; \
(d) = rotr64((d) ^ (a), 32); \
(c) = (c) + (d); \
(b) = rotr64((b) ^ (c), 24); \
(a) = (a) + (b) + m[blake2b_sigma[r][2*(i)+1]]; \
(d) = rotr64((d) ^ (a), 16); \
(c) = (c) + (d); \
(b) = rotr64((b) ^ (c), 63); \
} while(0)
#define ROUND(r) \
do { \
G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
G(r,2,v[ 2],v[ 6],v[10],v[14]); \
G(r,3,v[ 3],v[ 7],v[11],v[15]); \
G(r,4,v[ 0],v[ 5],v[10],v[15]); \
G(r,5,v[ 1],v[ 6],v[11],v[12]); \
G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
} while(0)
ROUND( 0 );
ROUND( 1 );
ROUND( 2 );
ROUND( 3 );
ROUND( 4 );
ROUND( 5 );
ROUND( 6 );
ROUND( 7 );
ROUND( 8 );
ROUND( 9 );
ROUND( 10 );
ROUND( 11 );
for( i = 0; i < 8; ++i )
S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
#undef G
#undef ROUND
return 0;
}
/* inlen now in bytes */
int blake2b_update( blake2b_state *S, const byte *in, word64 inlen )
{
int ret = 0;
#ifdef WOLFSSL_SMALL_STACK
word64* m;
word64* v;
m = (word64*)XMALLOC(sizeof(word64) * 32, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if ( m == NULL ) return MEMORY_E;
v = &m[16];
#else
word64 m[16];
word64 v[16];
#endif
while( inlen > 0 )
{
word64 left = S->buflen;
word64 fill = 2 * BLAKE2B_BLOCKBYTES - left;
if( inlen > fill )
{
XMEMCPY( S->buf + left, in, (wolfssl_word)fill ); /* Fill buffer */
S->buflen += fill;
blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
{
ret = blake2b_compress( S, S->buf, m, v );
if (ret < 0) break;
}
XMEMCPY( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES );
/* Shift buffer left */
S->buflen -= BLAKE2B_BLOCKBYTES;
in += fill;
inlen -= fill;
}
else /* inlen <= fill */
{
XMEMCPY( S->buf + left, in, (wolfssl_word)inlen );
S->buflen += inlen; /* Be lazy, do not compress */
inlen = 0;
}
}
#ifdef WOLFSSL_SMALL_STACK
XFREE(m, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return ret;
}
/* Is this correct? */
int blake2b_final( blake2b_state *S, byte *out, byte outlen )
{
int ret = 0;
byte buffer[BLAKE2B_OUTBYTES];
int i;
#ifdef WOLFSSL_SMALL_STACK
word64* m;
word64* v;
m = (word64*)XMALLOC(sizeof(word64) * 32, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if ( m == NULL ) return MEMORY_E;
v = &m[16];
#else
word64 m[16];
word64 v[16];
#endif
if( S->buflen > BLAKE2B_BLOCKBYTES )
{
blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
{
ret = blake2b_compress( S, S->buf, m, v );
if (ret < 0) goto out;
}
S->buflen -= BLAKE2B_BLOCKBYTES;
XMEMCPY( S->buf, S->buf + BLAKE2B_BLOCKBYTES, (wolfssl_word)S->buflen );
}
blake2b_increment_counter( S, S->buflen );
blake2b_set_lastblock( S );
XMEMSET( S->buf + S->buflen, 0, (wolfssl_word)(2 * BLAKE2B_BLOCKBYTES - S->buflen) );
/* Padding */
{
ret = blake2b_compress( S, S->buf, m, v );
if (ret < 0) goto out;
}
for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
store64( buffer + sizeof( S->h[i] ) * i, S->h[i] );
XMEMCPY( out, buffer, outlen );
out:
#ifdef WOLFSSL_SMALL_STACK
XFREE(m, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return ret;
}
/* inlen, at least, should be word64. Others can be size_t. */
int blake2b( byte *out, const void *in, const void *key, const byte outlen,
const word64 inlen, byte keylen )
{
blake2b_state S[1];
/* Verify parameters */
if ( NULL == in ) return BAD_FUNC_ARG;
if ( NULL == out ) return BAD_FUNC_ARG;
if( NULL == key ) keylen = 0;
if( keylen > 0 )
{
int ret = blake2b_init_key( S, outlen, key, keylen );
if (ret < 0) return ret;
}
else
{
int ret = blake2b_init( S, outlen );
if (ret < 0) return ret;
}
{
int ret = blake2b_update( S, ( byte * )in, inlen );
if (ret < 0) return ret;
}
return blake2b_final( S, out, outlen );
}
#if defined(BLAKE2B_SELFTEST)
#include <string.h>
#include "blake2-kat.h"
int main( int argc, char **argv )
{
byte key[BLAKE2B_KEYBYTES];
byte buf[KAT_LENGTH];
for( word32 i = 0; i < BLAKE2B_KEYBYTES; ++i )
key[i] = ( byte )i;
for( word32 i = 0; i < KAT_LENGTH; ++i )
buf[i] = ( byte )i;
for( word32 i = 0; i < KAT_LENGTH; ++i )
{
byte hash[BLAKE2B_OUTBYTES];
if ( blake2b( hash, buf, key, BLAKE2B_OUTBYTES, i, BLAKE2B_KEYBYTES ) < 0 )
{
puts( "error" );
return -1;
}
if( 0 != XMEMCMP( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) )
{
puts( "error" );
return -1;
}
}
puts( "ok" );
return 0;
}
#endif
/* wolfCrypt API */
/* Init Blake2b digest, track size in case final doesn't want to "remember" */
int wc_InitBlake2b(Blake2b* b2b, word32 digestSz)
{
if (b2b == NULL){
return BAD_FUNC_ARG;
}
b2b->digestSz = digestSz;
return blake2b_init(b2b->S, (byte)digestSz);
}
/* Init Blake2b digest with key, track size in case final doesn't want to "remember" */
int wc_InitBlake2b_WithKey(Blake2b* b2b, word32 digestSz, const byte *key, word32 keylen)
{
if (b2b == NULL){
return BAD_FUNC_ARG;
}
b2b->digestSz = digestSz;
if (keylen >= 256)
return BAD_FUNC_ARG;
if (key)
return blake2b_init_key(b2b->S, (byte)digestSz, key, (byte)keylen);
else
return blake2b_init(b2b->S, (byte)digestSz);
}
/* Blake2b Update */
int wc_Blake2bUpdate(Blake2b* b2b, const byte* data, word32 sz)
{
return blake2b_update(b2b->S, data, sz);
}
/* Blake2b Final, if pass in zero size we use init digestSz */
int wc_Blake2bFinal(Blake2b* b2b, byte* final, word32 requestSz)
{
word32 sz = requestSz ? requestSz : b2b->digestSz;
return blake2b_final(b2b->S, final, (byte)sz);
}
/* end CTaoCrypt API */
#endif /* HAVE_BLAKE2 */

506
extlib/wolfssl/blake2s.c Normal file
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@ -0,0 +1,506 @@
/*
BLAKE2 reference source code package - reference C implementations
Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
To the extent possible under law, the author(s) have dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
/* blake2s.c
*
* Copyright (C) 2006-2022 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL 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.
*
* wolfSSL 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "extlib/wolfssl/wolfcrypt/settings.h"
#ifdef HAVE_BLAKE2S
#include "extlib/wolfssl/wolfcrypt/blake2.h"
#include "extlib/wolfssl/wolfcrypt/blake2-impl.h"
#include "extlib/wolfssl/wolfcrypt/error-crypt.h"
static const word32 blake2s_IV[8] =
{
0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
};
static const byte blake2s_sigma[10][16] =
{
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 }
};
static WC_INLINE int blake2s_set_lastnode( blake2s_state *S )
{
S->f[1] = ~0;
return 0;
}
/* Some helper functions, not necessarily useful */
static WC_INLINE int blake2s_set_lastblock( blake2s_state *S )
{
if( S->last_node ) blake2s_set_lastnode( S );
S->f[0] = ~0;
return 0;
}
static WC_INLINE int blake2s_increment_counter( blake2s_state *S, const word32
inc )
{
S->t[0] += inc;
S->t[1] += ( S->t[0] < inc );
return 0;
}
static WC_INLINE int blake2s_init0( blake2s_state *S )
{
int i;
XMEMSET( S, 0, sizeof( blake2s_state ) );
for( i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
return 0;
}
/* init xors IV with input parameter block */
int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
{
word32 i;
byte *p ;
blake2s_init0( S );
p = ( byte * )( P );
/* IV XOR ParamBlock */
for( i = 0; i < 8; ++i )
S->h[i] ^= load32( p + sizeof( S->h[i] ) * i );
return 0;
}
int blake2s_init( blake2s_state *S, const byte outlen )
{
#ifdef WOLFSSL_BLAKE2S_INIT_EACH_FIELD
blake2s_param P[1];
#else
volatile blake2s_param P[1];
#endif
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return BAD_FUNC_ARG;
#ifdef WOLFSSL_BLAKE2S_INIT_EACH_FIELD
P->digest_length = outlen;
P->key_length = 0;
P->fanout = 1;
P->depth = 1;
store32( &P->leaf_length, 0 );
store32( &P->node_offset, 0 );
P->node_depth = 0;
P->inner_length = 0;
XMEMSET( P->salt, 0, sizeof( P->salt ) );
XMEMSET( P->personal, 0, sizeof( P->personal ) );
#else
XMEMSET( (blake2s_param *)P, 0, sizeof( *P ) );
P->digest_length = outlen;
P->fanout = 1;
P->depth = 1;
#endif
return blake2s_init_param( S, (blake2s_param *)P );
}
int blake2s_init_key( blake2s_state *S, const byte outlen, const void *key,
const byte keylen )
{
int ret = 0;
#ifdef WOLFSSL_BLAKE2S_INIT_EACH_FIELD
blake2s_param P[1];
#else
volatile blake2s_param P[1];
#endif
if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return BAD_FUNC_ARG;
if ( !key || !keylen || keylen > BLAKE2S_KEYBYTES ) return BAD_FUNC_ARG;
#ifdef WOLFSSL_BLAKE2S_INIT_EACH_FIELD
P->digest_length = outlen;
P->key_length = keylen;
P->fanout = 1;
P->depth = 1;
store32( &P->leaf_length, 0 );
store64( &P->node_offset, 0 );
P->node_depth = 0;
P->inner_length = 0;
XMEMSET( P->salt, 0, sizeof( P->salt ) );
XMEMSET( P->personal, 0, sizeof( P->personal ) );
#else
XMEMSET( (blake2s_param *)P, 0, sizeof( *P ) );
P->digest_length = outlen;
P->key_length = keylen;
P->fanout = 1;
P->depth = 1;
#endif
ret = blake2s_init_param( S, (blake2s_param *)P );
if (ret < 0)
return ret;
{
#ifdef WOLFSSL_SMALL_STACK
byte* block;
block = (byte*)XMALLOC(BLAKE2S_BLOCKBYTES, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if ( block == NULL ) return MEMORY_E;
#else
byte block[BLAKE2S_BLOCKBYTES];
#endif
XMEMSET( block, 0, BLAKE2S_BLOCKBYTES );
XMEMCPY( block, key, keylen );
ret = blake2s_update( S, block, BLAKE2S_BLOCKBYTES );
secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from */
/* memory */
#ifdef WOLFSSL_SMALL_STACK
XFREE(block, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
}
return ret;
}
static WC_INLINE int blake2s_compress(
blake2s_state *S,
const byte block[BLAKE2S_BLOCKBYTES],
word32* m,
word32* v)
{
int i;
for( i = 0; i < 16; ++i )
m[i] = load32( block + i * sizeof( m[i] ) );
for( i = 0; i < 8; ++i )
v[i] = S->h[i];
v[ 8] = blake2s_IV[0];
v[ 9] = blake2s_IV[1];
v[10] = blake2s_IV[2];
v[11] = blake2s_IV[3];
v[12] = S->t[0] ^ blake2s_IV[4];
v[13] = S->t[1] ^ blake2s_IV[5];
v[14] = S->f[0] ^ blake2s_IV[6];
v[15] = S->f[1] ^ blake2s_IV[7];
#define G(r,i,a,b,c,d) \
do { \
(a) = (a) + (b) + m[blake2s_sigma[r][2*(i)+0]]; \
(d) = rotr32((d) ^ (a), 16); \
(c) = (c) + (d); \
(b) = rotr32((b) ^ (c), 12); \
(a) = (a) + (b) + m[blake2s_sigma[r][2*(i)+1]]; \
(d) = rotr32((d) ^ (a), 8); \
(c) = (c) + (d); \
(b) = rotr32((b) ^ (c), 7); \
} while(0)
#define ROUND(r) \
do { \
G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
G(r,2,v[ 2],v[ 6],v[10],v[14]); \
G(r,3,v[ 3],v[ 7],v[11],v[15]); \
G(r,4,v[ 0],v[ 5],v[10],v[15]); \
G(r,5,v[ 1],v[ 6],v[11],v[12]); \
G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
} while(0)
ROUND( 0 );
ROUND( 1 );
ROUND( 2 );
ROUND( 3 );
ROUND( 4 );
ROUND( 5 );
ROUND( 6 );
ROUND( 7 );
ROUND( 8 );
ROUND( 9 );
for( i = 0; i < 8; ++i )
S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
#undef G
#undef ROUND
return 0;
}
/* inlen now in bytes */
int blake2s_update( blake2s_state *S, const byte *in, word32 inlen )
{
int ret = 0;
#ifdef WOLFSSL_SMALL_STACK
word32* m;
word32* v;
m = (word32*)XMALLOC(sizeof(word32) * 32, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if ( m == NULL ) return MEMORY_E;
v = &m[16];
#else
word32 m[16];
word32 v[16];
#endif
while( inlen > 0 )
{
word32 left = S->buflen;
word32 fill = 2 * BLAKE2S_BLOCKBYTES - left;
if( inlen > fill )
{
XMEMCPY( S->buf + left, in, (wolfssl_word)fill ); /* Fill buffer */
S->buflen += fill;
blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
{
ret= blake2s_compress( S, S->buf, m, v );
if (ret < 0) break;
}
XMEMCPY( S->buf, S->buf + BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES );
/* Shift buffer left */
S->buflen -= BLAKE2S_BLOCKBYTES;
in += fill;
inlen -= fill;
}
else /* inlen <= fill */
{
XMEMCPY( S->buf + left, in, (wolfssl_word)inlen );
S->buflen += inlen; /* Be lazy, do not compress */
inlen = 0;
}
}
#ifdef WOLFSSL_SMALL_STACK
XFREE(m, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return ret;
}
/* Is this correct? */
int blake2s_final( blake2s_state *S, byte *out, byte outlen )
{
int ret = 0;
int i;
byte buffer[BLAKE2S_BLOCKBYTES];
#ifdef WOLFSSL_SMALL_STACK
word32* m;
word32* v;
m = (word32*)XMALLOC(sizeof(word32) * 32, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if ( m == NULL ) return MEMORY_E;
v = &m[16];
#else
word32 m[16];
word32 v[16];
#endif
if( S->buflen > BLAKE2S_BLOCKBYTES )
{
blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
{
ret = blake2s_compress( S, S->buf, m, v );
if (ret < 0) goto out;
}
S->buflen -= BLAKE2S_BLOCKBYTES;
XMEMCPY( S->buf, S->buf + BLAKE2S_BLOCKBYTES, (wolfssl_word)S->buflen );
}
blake2s_increment_counter( S, S->buflen );
blake2s_set_lastblock( S );
XMEMSET( S->buf + S->buflen, 0, (wolfssl_word)(2 * BLAKE2S_BLOCKBYTES - S->buflen) );
/* Padding */
{
ret = blake2s_compress( S, S->buf, m, v );
if (ret < 0) goto out;
}
for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
store64( buffer + sizeof( S->h[i] ) * i, S->h[i] );
XMEMCPY( out, buffer, outlen );
out:
#ifdef WOLFSSL_SMALL_STACK
XFREE(m, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return ret;
}
/* inlen, at least, should be word32. Others can be size_t. */
int blake2s( byte *out, const void *in, const void *key, const byte outlen,
const word32 inlen, byte keylen )
{
blake2s_state S[1];
/* Verify parameters */
if ( NULL == in ) return BAD_FUNC_ARG;
if ( NULL == out ) return BAD_FUNC_ARG;
if( NULL == key ) keylen = 0;
if( keylen > 0 )
{
int ret = blake2s_init_key( S, outlen, key, keylen );
if (ret < 0) return ret;
}
else
{
int ret = blake2s_init( S, outlen );
if (ret < 0) return ret;
}
{
int ret = blake2s_update( S, ( byte * )in, inlen );
if (ret < 0) return ret;
}
return blake2s_final( S, out, outlen );
}
#if defined(BLAKE2S_SELFTEST)
#include <string.h>
#include "blake2-kat.h"
int main( int argc, char **argv )
{
byte key[BLAKE2S_KEYBYTES];
byte buf[KAT_LENGTH];
for( word32 i = 0; i < BLAKE2S_KEYBYTES; ++i )
key[i] = ( byte )i;