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wolfssl/wolfcrypt/src/dh.c

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/* dh.c
*
* Copyright (C) 2006-2016 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 <wolfssl/wolfcrypt/settings.h>
#ifndef NO_DH
#include <wolfssl/wolfcrypt/dh.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#include <wolfssl/wolfcrypt/logging.h>
#ifdef NO_INLINE
#include <wolfssl/wolfcrypt/misc.h>
#else
#define WOLFSSL_MISC_INCLUDED
#include <wolfcrypt/src/misc.c>
#endif
#if !defined(USER_MATH_LIB) && !defined(WOLFSSL_DH_CONST)
#include <math.h>
#define XPOW(x,y) pow((x),(y))
#define XLOG(x) log((x))
#else
/* user's own math lib */
#endif
#ifdef HAVE_FFDHE_2048
static const byte dh_ffdhe2048_p[] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xAD, 0xF8, 0x54, 0x58, 0xA2, 0xBB, 0x4A, 0x9A,
0xAF, 0xDC, 0x56, 0x20, 0x27, 0x3D, 0x3C, 0xF1,
0xD8, 0xB9, 0xC5, 0x83, 0xCE, 0x2D, 0x36, 0x95,
0xA9, 0xE1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xFB,
0xCC, 0x93, 0x9D, 0xCE, 0x24, 0x9B, 0x3E, 0xF9,
0x7D, 0x2F, 0xE3, 0x63, 0x63, 0x0C, 0x75, 0xD8,
0xF6, 0x81, 0xB2, 0x02, 0xAE, 0xC4, 0x61, 0x7A,
0xD3, 0xDF, 0x1E, 0xD5, 0xD5, 0xFD, 0x65, 0x61,
0x24, 0x33, 0xF5, 0x1F, 0x5F, 0x06, 0x6E, 0xD0,
0x85, 0x63, 0x65, 0x55, 0x3D, 0xED, 0x1A, 0xF3,
0xB5, 0x57, 0x13, 0x5E, 0x7F, 0x57, 0xC9, 0x35,
0x98, 0x4F, 0x0C, 0x70, 0xE0, 0xE6, 0x8B, 0x77,
0xE2, 0xA6, 0x89, 0xDA, 0xF3, 0xEF, 0xE8, 0x72,
0x1D, 0xF1, 0x58, 0xA1, 0x36, 0xAD, 0xE7, 0x35,
0x30, 0xAC, 0xCA, 0x4F, 0x48, 0x3A, 0x79, 0x7A,
0xBC, 0x0A, 0xB1, 0x82, 0xB3, 0x24, 0xFB, 0x61,
0xD1, 0x08, 0xA9, 0x4B, 0xB2, 0xC8, 0xE3, 0xFB,
0xB9, 0x6A, 0xDA, 0xB7, 0x60, 0xD7, 0xF4, 0x68,
0x1D, 0x4F, 0x42, 0xA3, 0xDE, 0x39, 0x4D, 0xF4,
0xAE, 0x56, 0xED, 0xE7, 0x63, 0x72, 0xBB, 0x19,
0x0B, 0x07, 0xA7, 0xC8, 0xEE, 0x0A, 0x6D, 0x70,
0x9E, 0x02, 0xFC, 0xE1, 0xCD, 0xF7, 0xE2, 0xEC,
0xC0, 0x34, 0x04, 0xCD, 0x28, 0x34, 0x2F, 0x61,
0x91, 0x72, 0xFE, 0x9C, 0xE9, 0x85, 0x83, 0xFF,
0x8E, 0x4F, 0x12, 0x32, 0xEE, 0xF2, 0x81, 0x83,
0xC3, 0xFE, 0x3B, 0x1B, 0x4C, 0x6F, 0xAD, 0x73,
0x3B, 0xB5, 0xFC, 0xBC, 0x2E, 0xC2, 0x20, 0x05,
0xC5, 0x8E, 0xF1, 0x83, 0x7D, 0x16, 0x83, 0xB2,
0xC6, 0xF3, 0x4A, 0x26, 0xC1, 0xB2, 0xEF, 0xFA,
0x88, 0x6B, 0x42, 0x38, 0x61, 0x28, 0x5C, 0x97,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
static const byte dh_ffdhe2048_g[] = { 0x02 };
const DhParams* wc_Dh_ffdhe2048_Get(void)
{
static const DhParams ffdhe2048 = {
dh_ffdhe2048_p, sizeof(dh_ffdhe2048_p),
dh_ffdhe2048_g, sizeof(dh_ffdhe2048_g)
};
return &ffdhe2048;
}
#endif
#ifdef HAVE_FFDHE_3072
static const byte dh_ffdhe3072_p[] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xAD, 0xF8, 0x54, 0x58, 0xA2, 0xBB, 0x4A, 0x9A,
0xAF, 0xDC, 0x56, 0x20, 0x27, 0x3D, 0x3C, 0xF1,
0xD8, 0xB9, 0xC5, 0x83, 0xCE, 0x2D, 0x36, 0x95,
0xA9, 0xE1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xFB,
0xCC, 0x93, 0x9D, 0xCE, 0x24, 0x9B, 0x3E, 0xF9,
0x7D, 0x2F, 0xE3, 0x63, 0x63, 0x0C, 0x75, 0xD8,
0xF6, 0x81, 0xB2, 0x02, 0xAE, 0xC4, 0x61, 0x7A,
0xD3, 0xDF, 0x1E, 0xD5, 0xD5, 0xFD, 0x65, 0x61,
0x24, 0x33, 0xF5, 0x1F, 0x5F, 0x06, 0x6E, 0xD0,
0x85, 0x63, 0x65, 0x55, 0x3D, 0xED, 0x1A, 0xF3,
0xB5, 0x57, 0x13, 0x5E, 0x7F, 0x57, 0xC9, 0x35,
0x98, 0x4F, 0x0C, 0x70, 0xE0, 0xE6, 0x8B, 0x77,
0xE2, 0xA6, 0x89, 0xDA, 0xF3, 0xEF, 0xE8, 0x72,
0x1D, 0xF1, 0x58, 0xA1, 0x36, 0xAD, 0xE7, 0x35,
0x30, 0xAC, 0xCA, 0x4F, 0x48, 0x3A, 0x79, 0x7A,
0xBC, 0x0A, 0xB1, 0x82, 0xB3, 0x24, 0xFB, 0x61,
0xD1, 0x08, 0xA9, 0x4B, 0xB2, 0xC8, 0xE3, 0xFB,
0xB9, 0x6A, 0xDA, 0xB7, 0x60, 0xD7, 0xF4, 0x68,
0x1D, 0x4F, 0x42, 0xA3, 0xDE, 0x39, 0x4D, 0xF4,
0xAE, 0x56, 0xED, 0xE7, 0x63, 0x72, 0xBB, 0x19,
0x0B, 0x07, 0xA7, 0xC8, 0xEE, 0x0A, 0x6D, 0x70,
0x9E, 0x02, 0xFC, 0xE1, 0xCD, 0xF7, 0xE2, 0xEC,
0xC0, 0x34, 0x04, 0xCD, 0x28, 0x34, 0x2F, 0x61,
0x91, 0x72, 0xFE, 0x9C, 0xE9, 0x85, 0x83, 0xFF,
0x8E, 0x4F, 0x12, 0x32, 0xEE, 0xF2, 0x81, 0x83,
0xC3, 0xFE, 0x3B, 0x1B, 0x4C, 0x6F, 0xAD, 0x73,
0x3B, 0xB5, 0xFC, 0xBC, 0x2E, 0xC2, 0x20, 0x05,
0xC5, 0x8E, 0xF1, 0x83, 0x7D, 0x16, 0x83, 0xB2,
0xC6, 0xF3, 0x4A, 0x26, 0xC1, 0xB2, 0xEF, 0xFA,
0x88, 0x6B, 0x42, 0x38, 0x61, 0x1F, 0xCF, 0xDC,
0xDE, 0x35, 0x5B, 0x3B, 0x65, 0x19, 0x03, 0x5B,
0xBC, 0x34, 0xF4, 0xDE, 0xF9, 0x9C, 0x02, 0x38,
0x61, 0xB4, 0x6F, 0xC9, 0xD6, 0xE6, 0xC9, 0x07,
0x7A, 0xD9, 0x1D, 0x26, 0x91, 0xF7, 0xF7, 0xEE,
0x59, 0x8C, 0xB0, 0xFA, 0xC1, 0x86, 0xD9, 0x1C,
0xAE, 0xFE, 0x13, 0x09, 0x85, 0x13, 0x92, 0x70,
0xB4, 0x13, 0x0C, 0x93, 0xBC, 0x43, 0x79, 0x44,
0xF4, 0xFD, 0x44, 0x52, 0xE2, 0xD7, 0x4D, 0xD3,
0x64, 0xF2, 0xE2, 0x1E, 0x71, 0xF5, 0x4B, 0xFF,
0x5C, 0xAE, 0x82, 0xAB, 0x9C, 0x9D, 0xF6, 0x9E,
0xE8, 0x6D, 0x2B, 0xC5, 0x22, 0x36, 0x3A, 0x0D,
0xAB, 0xC5, 0x21, 0x97, 0x9B, 0x0D, 0xEA, 0xDA,
0x1D, 0xBF, 0x9A, 0x42, 0xD5, 0xC4, 0x48, 0x4E,
0x0A, 0xBC, 0xD0, 0x6B, 0xFA, 0x53, 0xDD, 0xEF,
0x3C, 0x1B, 0x20, 0xEE, 0x3F, 0xD5, 0x9D, 0x7C,
0x25, 0xE4, 0x1D, 0x2B, 0x66, 0xC6, 0x2E, 0x37,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
static const byte dh_ffdhe3072_g[] = { 0x02 };
const DhParams* wc_Dh_ffdhe3072_Get(void)
{
static const DhParams ffdhe3072 = {
dh_ffdhe3072_p, sizeof(dh_ffdhe3072_p),
dh_ffdhe3072_g, sizeof(dh_ffdhe3072_g)
};
return &ffdhe3072;
}
#endif
#ifdef HAVE_FFDHE_4096
static const byte dh_ffdhe4096_p[] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xAD, 0xF8, 0x54, 0x58, 0xA2, 0xBB, 0x4A, 0x9A,
0xAF, 0xDC, 0x56, 0x20, 0x27, 0x3D, 0x3C, 0xF1,
0xD8, 0xB9, 0xC5, 0x83, 0xCE, 0x2D, 0x36, 0x95,
0xA9, 0xE1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xFB,
0xCC, 0x93, 0x9D, 0xCE, 0x24, 0x9B, 0x3E, 0xF9,
0x7D, 0x2F, 0xE3, 0x63, 0x63, 0x0C, 0x75, 0xD8,
0xF6, 0x81, 0xB2, 0x02, 0xAE, 0xC4, 0x61, 0x7A,
0xD3, 0xDF, 0x1E, 0xD5, 0xD5, 0xFD, 0x65, 0x61,
0x24, 0x33, 0xF5, 0x1F, 0x5F, 0x06, 0x6E, 0xD0,
0x85, 0x63, 0x65, 0x55, 0x3D, 0xED, 0x1A, 0xF3,
0xB5, 0x57, 0x13, 0x5E, 0x7F, 0x57, 0xC9, 0x35,
0x98, 0x4F, 0x0C, 0x70, 0xE0, 0xE6, 0x8B, 0x77,
0xE2, 0xA6, 0x89, 0xDA, 0xF3, 0xEF, 0xE8, 0x72,
0x1D, 0xF1, 0x58, 0xA1, 0x36, 0xAD, 0xE7, 0x35,
0x30, 0xAC, 0xCA, 0x4F, 0x48, 0x3A, 0x79, 0x7A,
0xBC, 0x0A, 0xB1, 0x82, 0xB3, 0x24, 0xFB, 0x61,
0xD1, 0x08, 0xA9, 0x4B, 0xB2, 0xC8, 0xE3, 0xFB,
0xB9, 0x6A, 0xDA, 0xB7, 0x60, 0xD7, 0xF4, 0x68,
0x1D, 0x4F, 0x42, 0xA3, 0xDE, 0x39, 0x4D, 0xF4,
0xAE, 0x56, 0xED, 0xE7, 0x63, 0x72, 0xBB, 0x19,
0x0B, 0x07, 0xA7, 0xC8, 0xEE, 0x0A, 0x6D, 0x70,
0x9E, 0x02, 0xFC, 0xE1, 0xCD, 0xF7, 0xE2, 0xEC,
0xC0, 0x34, 0x04, 0xCD, 0x28, 0x34, 0x2F, 0x61,
0x91, 0x72, 0xFE, 0x9C, 0xE9, 0x85, 0x83, 0xFF,
0x8E, 0x4F, 0x12, 0x32, 0xEE, 0xF2, 0x81, 0x83,
0xC3, 0xFE, 0x3B, 0x1B, 0x4C, 0x6F, 0xAD, 0x73,
0x3B, 0xB5, 0xFC, 0xBC, 0x2E, 0xC2, 0x20, 0x05,
0xC5, 0x8E, 0xF1, 0x83, 0x7D, 0x16, 0x83, 0xB2,
0xC6, 0xF3, 0x4A, 0x26, 0xC1, 0xB2, 0xEF, 0xFA,
0x88, 0x6B, 0x42, 0x38, 0x61, 0x1F, 0xCF, 0xDC,
0xDE, 0x35, 0x5B, 0x3B, 0x65, 0x19, 0x03, 0x5B,
0xBC, 0x34, 0xF4, 0xDE, 0xF9, 0x9C, 0x02, 0x38,
0x61, 0xB4, 0x6F, 0xC9, 0xD6, 0xE6, 0xC9, 0x07,
0x7A, 0xD9, 0x1D, 0x26, 0x91, 0xF7, 0xF7, 0xEE,
0x59, 0x8C, 0xB0, 0xFA, 0xC1, 0x86, 0xD9, 0x1C,
0xAE, 0xFE, 0x13, 0x09, 0x85, 0x13, 0x92, 0x70,
0xB4, 0x13, 0x0C, 0x93, 0xBC, 0x43, 0x79, 0x44,
0xF4, 0xFD, 0x44, 0x52, 0xE2, 0xD7, 0x4D, 0xD3,
0x64, 0xF2, 0xE2, 0x1E, 0x71, 0xF5, 0x4B, 0xFF,
0x5C, 0xAE, 0x82, 0xAB, 0x9C, 0x9D, 0xF6, 0x9E,
0xE8, 0x6D, 0x2B, 0xC5, 0x22, 0x36, 0x3A, 0x0D,
0xAB, 0xC5, 0x21, 0x97, 0x9B, 0x0D, 0xEA, 0xDA,
0x1D, 0xBF, 0x9A, 0x42, 0xD5, 0xC4, 0x48, 0x4E,
0x0A, 0xBC, 0xD0, 0x6B, 0xFA, 0x53, 0xDD, 0xEF,
0x3C, 0x1B, 0x20, 0xEE, 0x3F, 0xD5, 0x9D, 0x7C,
0x25, 0xE4, 0x1D, 0x2B, 0x66, 0x9E, 0x1E, 0xF1,
0x6E, 0x6F, 0x52, 0xC3, 0x16, 0x4D, 0xF4, 0xFB,
0x79, 0x30, 0xE9, 0xE4, 0xE5, 0x88, 0x57, 0xB6,
0xAC, 0x7D, 0x5F, 0x42, 0xD6, 0x9F, 0x6D, 0x18,
0x77, 0x63, 0xCF, 0x1D, 0x55, 0x03, 0x40, 0x04,
0x87, 0xF5, 0x5B, 0xA5, 0x7E, 0x31, 0xCC, 0x7A,
0x71, 0x35, 0xC8, 0x86, 0xEF, 0xB4, 0x31, 0x8A,
0xED, 0x6A, 0x1E, 0x01, 0x2D, 0x9E, 0x68, 0x32,
0xA9, 0x07, 0x60, 0x0A, 0x91, 0x81, 0x30, 0xC4,
0x6D, 0xC7, 0x78, 0xF9, 0x71, 0xAD, 0x00, 0x38,
0x09, 0x29, 0x99, 0xA3, 0x33, 0xCB, 0x8B, 0x7A,
0x1A, 0x1D, 0xB9, 0x3D, 0x71, 0x40, 0x00, 0x3C,
0x2A, 0x4E, 0xCE, 0xA9, 0xF9, 0x8D, 0x0A, 0xCC,
0x0A, 0x82, 0x91, 0xCD, 0xCE, 0xC9, 0x7D, 0xCF,
0x8E, 0xC9, 0xB5, 0x5A, 0x7F, 0x88, 0xA4, 0x6B,
0x4D, 0xB5, 0xA8, 0x51, 0xF4, 0x41, 0x82, 0xE1,
0xC6, 0x8A, 0x00, 0x7E, 0x5E, 0x65, 0x5F, 0x6A,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
static const byte dh_ffdhe4096_g[] = { 0x02 };
const DhParams* wc_Dh_ffdhe4096_Get(void)
{
static const DhParams ffdhe4096 = {
dh_ffdhe4096_p, sizeof(dh_ffdhe4096_p),
dh_ffdhe4096_g, sizeof(dh_ffdhe4096_g)
};
return &ffdhe4096;
}
#endif
#ifdef HAVE_FFDHE_6144
static const byte dh_ffdhe6144_p[] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xAD, 0xF8, 0x54, 0x58, 0xA2, 0xBB, 0x4A, 0x9A,
0xAF, 0xDC, 0x56, 0x20, 0x27, 0x3D, 0x3C, 0xF1,
0xD8, 0xB9, 0xC5, 0x83, 0xCE, 0x2D, 0x36, 0x95,
0xA9, 0xE1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xFB,
0xCC, 0x93, 0x9D, 0xCE, 0x24, 0x9B, 0x3E, 0xF9,
0x7D, 0x2F, 0xE3, 0x63, 0x63, 0x0C, 0x75, 0xD8,
0xF6, 0x81, 0xB2, 0x02, 0xAE, 0xC4, 0x61, 0x7A,
0xD3, 0xDF, 0x1E, 0xD5, 0xD5, 0xFD, 0x65, 0x61,
0x24, 0x33, 0xF5, 0x1F, 0x5F, 0x06, 0x6E, 0xD0,
0x85, 0x63, 0x65, 0x55, 0x3D, 0xED, 0x1A, 0xF3,
0xB5, 0x57, 0x13, 0x5E, 0x7F, 0x57, 0xC9, 0x35,
0x98, 0x4F, 0x0C, 0x70, 0xE0, 0xE6, 0x8B, 0x77,
0xE2, 0xA6, 0x89, 0xDA, 0xF3, 0xEF, 0xE8, 0x72,
0x1D, 0xF1, 0x58, 0xA1, 0x36, 0xAD, 0xE7, 0x35,
0x30, 0xAC, 0xCA, 0x4F, 0x48, 0x3A, 0x79, 0x7A,
0xBC, 0x0A, 0xB1, 0x82, 0xB3, 0x24, 0xFB, 0x61,
0xD1, 0x08, 0xA9, 0x4B, 0xB2, 0xC8, 0xE3, 0xFB,
0xB9, 0x6A, 0xDA, 0xB7, 0x60, 0xD7, 0xF4, 0x68,
0x1D, 0x4F, 0x42, 0xA3, 0xDE, 0x39, 0x4D, 0xF4,
0xAE, 0x56, 0xED, 0xE7, 0x63, 0x72, 0xBB, 0x19,
0x0B, 0x07, 0xA7, 0xC8, 0xEE, 0x0A, 0x6D, 0x70,
0x9E, 0x02, 0xFC, 0xE1, 0xCD, 0xF7, 0xE2, 0xEC,
0xC0, 0x34, 0x04, 0xCD, 0x28, 0x34, 0x2F, 0x61,
0x91, 0x72, 0xFE, 0x9C, 0xE9, 0x85, 0x83, 0xFF,
0x8E, 0x4F, 0x12, 0x32, 0xEE, 0xF2, 0x81, 0x83,
0xC3, 0xFE, 0x3B, 0x1B, 0x4C, 0x6F, 0xAD, 0x73,
0x3B, 0xB5, 0xFC, 0xBC, 0x2E, 0xC2, 0x20, 0x05,
0xC5, 0x8E, 0xF1, 0x83, 0x7D, 0x16, 0x83, 0xB2,
0xC6, 0xF3, 0x4A, 0x26, 0xC1, 0xB2, 0xEF, 0xFA,
0x88, 0x6B, 0x42, 0x38, 0x61, 0x1F, 0xCF, 0xDC,
0xDE, 0x35, 0x5B, 0x3B, 0x65, 0x19, 0x03, 0x5B,
0xBC, 0x34, 0xF4, 0xDE, 0xF9, 0x9C, 0x02, 0x38,
0x61, 0xB4, 0x6F, 0xC9, 0xD6, 0xE6, 0xC9, 0x07,
0x7A, 0xD9, 0x1D, 0x26, 0x91, 0xF7, 0xF7, 0xEE,
0x59, 0x8C, 0xB0, 0xFA, 0xC1, 0x86, 0xD9, 0x1C,
0xAE, 0xFE, 0x13, 0x09, 0x85, 0x13, 0x92, 0x70,
0xB4, 0x13, 0x0C, 0x93, 0xBC, 0x43, 0x79, 0x44,
0xF4, 0xFD, 0x44, 0x52, 0xE2, 0xD7, 0x4D, 0xD3,
0x64, 0xF2, 0xE2, 0x1E, 0x71, 0xF5, 0x4B, 0xFF,
0x5C, 0xAE, 0x82, 0xAB, 0x9C, 0x9D, 0xF6, 0x9E,
0xE8, 0x6D, 0x2B, 0xC5, 0x22, 0x36, 0x3A, 0x0D,
0xAB, 0xC5, 0x21, 0x97, 0x9B, 0x0D, 0xEA, 0xDA,
0x1D, 0xBF, 0x9A, 0x42, 0xD5, 0xC4, 0x48, 0x4E,
0x0A, 0xBC, 0xD0, 0x6B, 0xFA, 0x53, 0xDD, 0xEF,
0x3C, 0x1B, 0x20, 0xEE, 0x3F, 0xD5, 0x9D, 0x7C,
0x25, 0xE4, 0x1D, 0x2B, 0x66, 0x9E, 0x1E, 0xF1,
0x6E, 0x6F, 0x52, 0xC3, 0x16, 0x4D, 0xF4, 0xFB,
0x79, 0x30, 0xE9, 0xE4, 0xE5, 0x88, 0x57, 0xB6,
0xAC, 0x7D, 0x5F, 0x42, 0xD6, 0x9F, 0x6D, 0x18,
0x77, 0x63, 0xCF, 0x1D, 0x55, 0x03, 0x40, 0x04,
0x87, 0xF5, 0x5B, 0xA5, 0x7E, 0x31, 0xCC, 0x7A,
0x71, 0x35, 0xC8, 0x86, 0xEF, 0xB4, 0x31, 0x8A,
0xED, 0x6A, 0x1E, 0x01, 0x2D, 0x9E, 0x68, 0x32,
0xA9, 0x07, 0x60, 0x0A, 0x91, 0x81, 0x30, 0xC4,
0x6D, 0xC7, 0x78, 0xF9, 0x71, 0xAD, 0x00, 0x38,
0x09, 0x29, 0x99, 0xA3, 0x33, 0xCB, 0x8B, 0x7A,
0x1A, 0x1D, 0xB9, 0x3D, 0x71, 0x40, 0x00, 0x3C,
0x2A, 0x4E, 0xCE, 0xA9, 0xF9, 0x8D, 0x0A, 0xCC,
0x0A, 0x82, 0x91, 0xCD, 0xCE, 0xC9, 0x7D, 0xCF,
0x8E, 0xC9, 0xB5, 0x5A, 0x7F, 0x88, 0xA4, 0x6B,
0x4D, 0xB5, 0xA8, 0x51, 0xF4, 0x41, 0x82, 0xE1,
0xC6, 0x8A, 0x00, 0x7E, 0x5E, 0x0D, 0xD9, 0x02,
0x0B, 0xFD, 0x64, 0xB6, 0x45, 0x03, 0x6C, 0x7A,
0x4E, 0x67, 0x7D, 0x2C, 0x38, 0x53, 0x2A, 0x3A,
0x23, 0xBA, 0x44, 0x42, 0xCA, 0xF5, 0x3E, 0xA6,
0x3B, 0xB4, 0x54, 0x32, 0x9B, 0x76, 0x24, 0xC8,
0x91, 0x7B, 0xDD, 0x64, 0xB1, 0xC0, 0xFD, 0x4C,
0xB3, 0x8E, 0x8C, 0x33, 0x4C, 0x70, 0x1C, 0x3A,
0xCD, 0xAD, 0x06, 0x57, 0xFC, 0xCF, 0xEC, 0x71,
0x9B, 0x1F, 0x5C, 0x3E, 0x4E, 0x46, 0x04, 0x1F,
0x38, 0x81, 0x47, 0xFB, 0x4C, 0xFD, 0xB4, 0x77,
0xA5, 0x24, 0x71, 0xF7, 0xA9, 0xA9, 0x69, 0x10,
0xB8, 0x55, 0x32, 0x2E, 0xDB, 0x63, 0x40, 0xD8,
0xA0, 0x0E, 0xF0, 0x92, 0x35, 0x05, 0x11, 0xE3,
0x0A, 0xBE, 0xC1, 0xFF, 0xF9, 0xE3, 0xA2, 0x6E,
0x7F, 0xB2, 0x9F, 0x8C, 0x18, 0x30, 0x23, 0xC3,
0x58, 0x7E, 0x38, 0xDA, 0x00, 0x77, 0xD9, 0xB4,
0x76, 0x3E, 0x4E, 0x4B, 0x94, 0xB2, 0xBB, 0xC1,
0x94, 0xC6, 0x65, 0x1E, 0x77, 0xCA, 0xF9, 0x92,
0xEE, 0xAA, 0xC0, 0x23, 0x2A, 0x28, 0x1B, 0xF6,
0xB3, 0xA7, 0x39, 0xC1, 0x22, 0x61, 0x16, 0x82,
0x0A, 0xE8, 0xDB, 0x58, 0x47, 0xA6, 0x7C, 0xBE,
0xF9, 0xC9, 0x09, 0x1B, 0x46, 0x2D, 0x53, 0x8C,
0xD7, 0x2B, 0x03, 0x74, 0x6A, 0xE7, 0x7F, 0x5E,
0x62, 0x29, 0x2C, 0x31, 0x15, 0x62, 0xA8, 0x46,
0x50, 0x5D, 0xC8, 0x2D, 0xB8, 0x54, 0x33, 0x8A,
0xE4, 0x9F, 0x52, 0x35, 0xC9, 0x5B, 0x91, 0x17,
0x8C, 0xCF, 0x2D, 0xD5, 0xCA, 0xCE, 0xF4, 0x03,
0xEC, 0x9D, 0x18, 0x10, 0xC6, 0x27, 0x2B, 0x04,
0x5B, 0x3B, 0x71, 0xF9, 0xDC, 0x6B, 0x80, 0xD6,
0x3F, 0xDD, 0x4A, 0x8E, 0x9A, 0xDB, 0x1E, 0x69,
0x62, 0xA6, 0x95, 0x26, 0xD4, 0x31, 0x61, 0xC1,
0xA4, 0x1D, 0x57, 0x0D, 0x79, 0x38, 0xDA, 0xD4,
0xA4, 0x0E, 0x32, 0x9C, 0xD0, 0xE4, 0x0E, 0x65,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
static const byte dh_ffdhe6144_g[] = { 0x02 };
const DhParams* wc_Dh_ffdhe6144_Get(void)
{
static const DhParams ffdhe6144 = {
dh_ffdhe6144_p, sizeof(dh_ffdhe6144_p),
dh_ffdhe6144_g, sizeof(dh_ffdhe6144_g)
};
return &ffdhe6144;
}
#endif
#ifdef HAVE_FFDHE_8192
static const byte dh_ffdhe8192_p[] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xAD, 0xF8, 0x54, 0x58, 0xA2, 0xBB, 0x4A, 0x9A,
0xAF, 0xDC, 0x56, 0x20, 0x27, 0x3D, 0x3C, 0xF1,
0xD8, 0xB9, 0xC5, 0x83, 0xCE, 0x2D, 0x36, 0x95,
0xA9, 0xE1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xFB,
0xCC, 0x93, 0x9D, 0xCE, 0x24, 0x9B, 0x3E, 0xF9,
0x7D, 0x2F, 0xE3, 0x63, 0x63, 0x0C, 0x75, 0xD8,
0xF6, 0x81, 0xB2, 0x02, 0xAE, 0xC4, 0x61, 0x7A,
0xD3, 0xDF, 0x1E, 0xD5, 0xD5, 0xFD, 0x65, 0x61,
0x24, 0x33, 0xF5, 0x1F, 0x5F, 0x06, 0x6E, 0xD0,
0x85, 0x63, 0x65, 0x55, 0x3D, 0xED, 0x1A, 0xF3,
0xB5, 0x57, 0x13, 0x5E, 0x7F, 0x57, 0xC9, 0x35,
0x98, 0x4F, 0x0C, 0x70, 0xE0, 0xE6, 0x8B, 0x77,
0xE2, 0xA6, 0x89, 0xDA, 0xF3, 0xEF, 0xE8, 0x72,
0x1D, 0xF1, 0x58, 0xA1, 0x36, 0xAD, 0xE7, 0x35,
0x30, 0xAC, 0xCA, 0x4F, 0x48, 0x3A, 0x79, 0x7A,
0xBC, 0x0A, 0xB1, 0x82, 0xB3, 0x24, 0xFB, 0x61,
0xD1, 0x08, 0xA9, 0x4B, 0xB2, 0xC8, 0xE3, 0xFB,
0xB9, 0x6A, 0xDA, 0xB7, 0x60, 0xD7, 0xF4, 0x68,
0x1D, 0x4F, 0x42, 0xA3, 0xDE, 0x39, 0x4D, 0xF4,
0xAE, 0x56, 0xED, 0xE7, 0x63, 0x72, 0xBB, 0x19,
0x0B, 0x07, 0xA7, 0xC8, 0xEE, 0x0A, 0x6D, 0x70,
0x9E, 0x02, 0xFC, 0xE1, 0xCD, 0xF7, 0xE2, 0xEC,
0xC0, 0x34, 0x04, 0xCD, 0x28, 0x34, 0x2F, 0x61,
0x91, 0x72, 0xFE, 0x9C, 0xE9, 0x85, 0x83, 0xFF,
0x8E, 0x4F, 0x12, 0x32, 0xEE, 0xF2, 0x81, 0x83,
0xC3, 0xFE, 0x3B, 0x1B, 0x4C, 0x6F, 0xAD, 0x73,
0x3B, 0xB5, 0xFC, 0xBC, 0x2E, 0xC2, 0x20, 0x05,
0xC5, 0x8E, 0xF1, 0x83, 0x7D, 0x16, 0x83, 0xB2,
0xC6, 0xF3, 0x4A, 0x26, 0xC1, 0xB2, 0xEF, 0xFA,
0x88, 0x6B, 0x42, 0x38, 0x61, 0x1F, 0xCF, 0xDC,
0xDE, 0x35, 0x5B, 0x3B, 0x65, 0x19, 0x03, 0x5B,
0xBC, 0x34, 0xF4, 0xDE, 0xF9, 0x9C, 0x02, 0x38,
0x61, 0xB4, 0x6F, 0xC9, 0xD6, 0xE6, 0xC9, 0x07,
0x7A, 0xD9, 0x1D, 0x26, 0x91, 0xF7, 0xF7, 0xEE,
0x59, 0x8C, 0xB0, 0xFA, 0xC1, 0x86, 0xD9, 0x1C,
0xAE, 0xFE, 0x13, 0x09, 0x85, 0x13, 0x92, 0x70,
0xB4, 0x13, 0x0C, 0x93, 0xBC, 0x43, 0x79, 0x44,
0xF4, 0xFD, 0x44, 0x52, 0xE2, 0xD7, 0x4D, 0xD3,
0x64, 0xF2, 0xE2, 0x1E, 0x71, 0xF5, 0x4B, 0xFF,
0x5C, 0xAE, 0x82, 0xAB, 0x9C, 0x9D, 0xF6, 0x9E,
0xE8, 0x6D, 0x2B, 0xC5, 0x22, 0x36, 0x3A, 0x0D,
0xAB, 0xC5, 0x21, 0x97, 0x9B, 0x0D, 0xEA, 0xDA,
0x1D, 0xBF, 0x9A, 0x42, 0xD5, 0xC4, 0x48, 0x4E,
0x0A, 0xBC, 0xD0, 0x6B, 0xFA, 0x53, 0xDD, 0xEF,
0x3C, 0x1B, 0x20, 0xEE, 0x3F, 0xD5, 0x9D, 0x7C,
0x25, 0xE4, 0x1D, 0x2B, 0x66, 0x9E, 0x1E, 0xF1,
0x6E, 0x6F, 0x52, 0xC3, 0x16, 0x4D, 0xF4, 0xFB,
0x79, 0x30, 0xE9, 0xE4, 0xE5, 0x88, 0x57, 0xB6,
0xAC, 0x7D, 0x5F, 0x42, 0xD6, 0x9F, 0x6D, 0x18,
0x77, 0x63, 0xCF, 0x1D, 0x55, 0x03, 0x40, 0x04,
0x87, 0xF5, 0x5B, 0xA5, 0x7E, 0x31, 0xCC, 0x7A,
0x71, 0x35, 0xC8, 0x86, 0xEF, 0xB4, 0x31, 0x8A,
0xED, 0x6A, 0x1E, 0x01, 0x2D, 0x9E, 0x68, 0x32,
0xA9, 0x07, 0x60, 0x0A, 0x91, 0x81, 0x30, 0xC4,
0x6D, 0xC7, 0x78, 0xF9, 0x71, 0xAD, 0x00, 0x38,
0x09, 0x29, 0x99, 0xA3, 0x33, 0xCB, 0x8B, 0x7A,
0x1A, 0x1D, 0xB9, 0x3D, 0x71, 0x40, 0x00, 0x3C,
0x2A, 0x4E, 0xCE, 0xA9, 0xF9, 0x8D, 0x0A, 0xCC,
0x0A, 0x82, 0x91, 0xCD, 0xCE, 0xC9, 0x7D, 0xCF,
0x8E, 0xC9, 0xB5, 0x5A, 0x7F, 0x88, 0xA4, 0x6B,
0x4D, 0xB5, 0xA8, 0x51, 0xF4, 0x41, 0x82, 0xE1,
0xC6, 0x8A, 0x00, 0x7E, 0x5E, 0x0D, 0xD9, 0x02,
0x0B, 0xFD, 0x64, 0xB6, 0x45, 0x03, 0x6C, 0x7A,
0x4E, 0x67, 0x7D, 0x2C, 0x38, 0x53, 0x2A, 0x3A,
0x23, 0xBA, 0x44, 0x42, 0xCA, 0xF5, 0x3E, 0xA6,
0x3B, 0xB4, 0x54, 0x32, 0x9B, 0x76, 0x24, 0xC8,
0x91, 0x7B, 0xDD, 0x64, 0xB1, 0xC0, 0xFD, 0x4C,
0xB3, 0x8E, 0x8C, 0x33, 0x4C, 0x70, 0x1C, 0x3A,
0xCD, 0xAD, 0x06, 0x57, 0xFC, 0xCF, 0xEC, 0x71,
0x9B, 0x1F, 0x5C, 0x3E, 0x4E, 0x46, 0x04, 0x1F,
0x38, 0x81, 0x47, 0xFB, 0x4C, 0xFD, 0xB4, 0x77,
0xA5, 0x24, 0x71, 0xF7, 0xA9, 0xA9, 0x69, 0x10,
0xB8, 0x55, 0x32, 0x2E, 0xDB, 0x63, 0x40, 0xD8,
0xA0, 0x0E, 0xF0, 0x92, 0x35, 0x05, 0x11, 0xE3,
0x0A, 0xBE, 0xC1, 0xFF, 0xF9, 0xE3, 0xA2, 0x6E,
0x7F, 0xB2, 0x9F, 0x8C, 0x18, 0x30, 0x23, 0xC3,
0x58, 0x7E, 0x38, 0xDA, 0x00, 0x77, 0xD9, 0xB4,
0x76, 0x3E, 0x4E, 0x4B, 0x94, 0xB2, 0xBB, 0xC1,
0x94, 0xC6, 0x65, 0x1E, 0x77, 0xCA, 0xF9, 0x92,
0xEE, 0xAA, 0xC0, 0x23, 0x2A, 0x28, 0x1B, 0xF6,
0xB3, 0xA7, 0x39, 0xC1, 0x22, 0x61, 0x16, 0x82,
0x0A, 0xE8, 0xDB, 0x58, 0x47, 0xA6, 0x7C, 0xBE,
0xF9, 0xC9, 0x09, 0x1B, 0x46, 0x2D, 0x53, 0x8C,
0xD7, 0x2B, 0x03, 0x74, 0x6A, 0xE7, 0x7F, 0x5E,
0x62, 0x29, 0x2C, 0x31, 0x15, 0x62, 0xA8, 0x46,
0x50, 0x5D, 0xC8, 0x2D, 0xB8, 0x54, 0x33, 0x8A,
0xE4, 0x9F, 0x52, 0x35, 0xC9, 0x5B, 0x91, 0x17,
0x8C, 0xCF, 0x2D, 0xD5, 0xCA, 0xCE, 0xF4, 0x03,
0xEC, 0x9D, 0x18, 0x10, 0xC6, 0x27, 0x2B, 0x04,
0x5B, 0x3B, 0x71, 0xF9, 0xDC, 0x6B, 0x80, 0xD6,
0x3F, 0xDD, 0x4A, 0x8E, 0x9A, 0xDB, 0x1E, 0x69,
0x62, 0xA6, 0x95, 0x26, 0xD4, 0x31, 0x61, 0xC1,
0xA4, 0x1D, 0x57, 0x0D, 0x79, 0x38, 0xDA, 0xD4,
0xA4, 0x0E, 0x32, 0x9C, 0xCF, 0xF4, 0x6A, 0xAA,
0x36, 0xAD, 0x00, 0x4C, 0xF6, 0x00, 0xC8, 0x38,
0x1E, 0x42, 0x5A, 0x31, 0xD9, 0x51, 0xAE, 0x64,
0xFD, 0xB2, 0x3F, 0xCE, 0xC9, 0x50, 0x9D, 0x43,
0x68, 0x7F, 0xEB, 0x69, 0xED, 0xD1, 0xCC, 0x5E,
0x0B, 0x8C, 0xC3, 0xBD, 0xF6, 0x4B, 0x10, 0xEF,
0x86, 0xB6, 0x31, 0x42, 0xA3, 0xAB, 0x88, 0x29,
0x55, 0x5B, 0x2F, 0x74, 0x7C, 0x93, 0x26, 0x65,
0xCB, 0x2C, 0x0F, 0x1C, 0xC0, 0x1B, 0xD7, 0x02,
0x29, 0x38, 0x88, 0x39, 0xD2, 0xAF, 0x05, 0xE4,
0x54, 0x50, 0x4A, 0xC7, 0x8B, 0x75, 0x82, 0x82,
0x28, 0x46, 0xC0, 0xBA, 0x35, 0xC3, 0x5F, 0x5C,
0x59, 0x16, 0x0C, 0xC0, 0x46, 0xFD, 0x82, 0x51,
0x54, 0x1F, 0xC6, 0x8C, 0x9C, 0x86, 0xB0, 0x22,
0xBB, 0x70, 0x99, 0x87, 0x6A, 0x46, 0x0E, 0x74,
0x51, 0xA8, 0xA9, 0x31, 0x09, 0x70, 0x3F, 0xEE,
0x1C, 0x21, 0x7E, 0x6C, 0x38, 0x26, 0xE5, 0x2C,
0x51, 0xAA, 0x69, 0x1E, 0x0E, 0x42, 0x3C, 0xFC,
0x99, 0xE9, 0xE3, 0x16, 0x50, 0xC1, 0x21, 0x7B,
0x62, 0x48, 0x16, 0xCD, 0xAD, 0x9A, 0x95, 0xF9,
0xD5, 0xB8, 0x01, 0x94, 0x88, 0xD9, 0xC0, 0xA0,
0xA1, 0xFE, 0x30, 0x75, 0xA5, 0x77, 0xE2, 0x31,
0x83, 0xF8, 0x1D, 0x4A, 0x3F, 0x2F, 0xA4, 0x57,
0x1E, 0xFC, 0x8C, 0xE0, 0xBA, 0x8A, 0x4F, 0xE8,
0xB6, 0x85, 0x5D, 0xFE, 0x72, 0xB0, 0xA6, 0x6E,
0xDE, 0xD2, 0xFB, 0xAB, 0xFB, 0xE5, 0x8A, 0x30,
0xFA, 0xFA, 0xBE, 0x1C, 0x5D, 0x71, 0xA8, 0x7E,
0x2F, 0x74, 0x1E, 0xF8, 0xC1, 0xFE, 0x86, 0xFE,
0xA6, 0xBB, 0xFD, 0xE5, 0x30, 0x67, 0x7F, 0x0D,
0x97, 0xD1, 0x1D, 0x49, 0xF7, 0xA8, 0x44, 0x3D,
0x08, 0x22, 0xE5, 0x06, 0xA9, 0xF4, 0x61, 0x4E,
0x01, 0x1E, 0x2A, 0x94, 0x83, 0x8F, 0xF8, 0x8C,
0xD6, 0x8C, 0x8B, 0xB7, 0xC5, 0xC6, 0x42, 0x4C,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
static const byte dh_ffdhe8192_g[] = { 0x02 };
const DhParams* wc_Dh_ffdhe8192_Get(void)
{
static const DhParams ffdhe8192 = {
dh_ffdhe8192_p, sizeof(dh_ffdhe8192_p),
dh_ffdhe8192_g, sizeof(dh_ffdhe8192_g)
};
return &ffdhe8192;
}
#endif
int wc_InitDhKey_ex(DhKey* key, void* heap, int devId)
{
int ret = 0;
if (key == NULL)
return BAD_FUNC_ARG;
key->heap = heap; /* for XMALLOC/XFREE in future */
if (mp_init_multi(&key->p, &key->g, NULL, NULL, NULL, NULL) != MP_OKAY)
return MEMORY_E;
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_DH)
/* handle as async */
ret = wolfAsync_DevCtxInit(&key->asyncDev, WOLFSSL_ASYNC_MARKER_DH,
key->heap, devId);
#else
(void)devId;
#endif
return ret;
}
int wc_InitDhKey(DhKey* key)
{
return wc_InitDhKey_ex(key, NULL, INVALID_DEVID);
}
void wc_FreeDhKey(DhKey* key)
{
if (key) {
mp_clear(&key->p);
mp_clear(&key->g);
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_DH)
wolfAsync_DevCtxFree(&key->asyncDev, WOLFSSL_ASYNC_MARKER_DH);
#endif
}
}
/* if defined to not use floating point values do not compile in */
#ifndef WOLFSSL_DH_CONST
static word32 DiscreteLogWorkFactor(word32 n)
{
/* assuming discrete log takes about the same time as factoring */
if (n < 5)
return 0;
else
return (word32)(2.4 * XPOW((double)n, 1.0/3.0) *
XPOW(XLOG((double)n), 2.0/3.0) - 5);
}
#endif /* WOLFSSL_DH_CONST*/
/* if not using fixed points use DiscreteLogWorkFactor function for unsual size
otherwise round up on size needed */
#ifndef WOLFSSL_DH_CONST
#define WOLFSSL_DH_ROUND(x)
#else
#define WOLFSSL_DH_ROUND(x) \
do { \
if (x % 128) { \
x &= 0xffffff80;\
x += 128; \
} \
} \
while (0)
#endif
static int GeneratePrivateDh(DhKey* key, WC_RNG* rng, byte* priv, word32* privSz)
{
int ret = 0;
word32 sz = mp_unsigned_bin_size(&key->p);
/* Table of predetermined values from the operation
2 * DiscreteLogWorkFactor(sz * WOLFSSL_BIT_SIZE) / WOLFSSL_BIT_SIZE + 1
Sizes in table checked against RFC 3526
*/
WOLFSSL_DH_ROUND(sz); /* if using fixed points only, then round up */
switch (sz) {
case 128: sz = 21; break;
case 256: sz = 29; break;
case 384: sz = 34; break;
case 512: sz = 39; break;
case 640: sz = 42; break;
case 768: sz = 46; break;
case 896: sz = 49; break;
case 1024: sz = 52; break;
default:
#ifndef WOLFSSL_DH_CONST
/* if using floating points and size of p is not in table */
sz = min(sz, 2 * DiscreteLogWorkFactor(sz * WOLFSSL_BIT_SIZE) /
WOLFSSL_BIT_SIZE + 1);
break;
#else
return BAD_FUNC_ARG;
#endif
}
ret = wc_RNG_GenerateBlock(rng, priv, sz);
if (ret == 0) {
priv[0] |= 0x0C;
*privSz = sz;
}
return ret;
}
static int GeneratePublicDh(DhKey* key, byte* priv, word32 privSz,
byte* pub, word32* pubSz)
{
int ret = 0;
mp_int x;
mp_int y;
if (mp_init_multi(&x, &y, 0, 0, 0, 0) != MP_OKAY)
return MP_INIT_E;
if (mp_read_unsigned_bin(&x, priv, privSz) != MP_OKAY)
ret = MP_READ_E;
if (ret == 0 && mp_exptmod(&key->g, &x, &key->p, &y) != MP_OKAY)
ret = MP_EXPTMOD_E;
if (ret == 0 && mp_to_unsigned_bin(&y, pub) != MP_OKAY)
ret = MP_TO_E;
if (ret == 0)
*pubSz = mp_unsigned_bin_size(&y);
mp_clear(&y);
mp_clear(&x);
return ret;
}
static int wc_DhGenerateKeyPair_Sync(DhKey* key, WC_RNG* rng,
byte* priv, word32* privSz, byte* pub, word32* pubSz)
{
int ret;
if (key == NULL || rng == NULL || priv == NULL || privSz == NULL ||
pub == NULL || pubSz == NULL) {
return BAD_FUNC_ARG;
}
ret = GeneratePrivateDh(key, rng, priv, privSz);
return (ret != 0) ? ret : GeneratePublicDh(key, priv, *privSz, pub, pubSz);
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_DH)
static int wc_DhGenerateKeyPair_Async(DhKey* key, WC_RNG* rng,
byte* priv, word32* privSz, byte* pub, word32* pubSz)
{
int ret;
#if defined(HAVE_INTEL_QA)
word32 sz;
/* verify prime is at least 768-bits */
/* QAT HW must have prime at least 768-bits */
sz = mp_unsigned_bin_size(&key->p);
if (sz >= (768/8)) {
mp_int x;
ret = mp_init(&x);
if (ret != MP_OKAY)
return ret;
ret = GeneratePrivateDh(key, rng, priv, privSz);
if (ret == 0)
ret = mp_read_unsigned_bin(&x, priv, *privSz);
if (ret == MP_OKAY)
ret = wc_mp_to_bigint(&x, &x.raw);
if (ret == MP_OKAY)
ret = wc_mp_to_bigint(&key->p, &key->p.raw);
if (ret == MP_OKAY)
ret = wc_mp_to_bigint(&key->g, &key->g.raw);
if (ret == MP_OKAY)
ret = IntelQaDhKeyGen(&key->asyncDev, &key->p.raw, &key->g.raw,
&x.raw, pub, pubSz);
mp_clear(&x);
return ret;
}
#elif defined(HAVE_CAVIUM)
/* TODO: Not implemented - use software for now */
#else /* WOLFSSL_ASYNC_CRYPT_TEST */
WC_ASYNC_TEST* testDev = &key->asyncDev.test;
if (testDev->type == ASYNC_TEST_NONE) {
testDev->type = ASYNC_TEST_DH_GEN;
testDev->dhGen.key = key;
testDev->dhGen.rng = rng;
testDev->dhGen.priv = priv;
testDev->dhGen.privSz = privSz;
testDev->dhGen.pub = pub;
testDev->dhGen.pubSz = pubSz;
return WC_PENDING_E;
}
#endif
/* otherwise use software DH */
ret = wc_DhGenerateKeyPair_Sync(key, rng, priv, privSz, pub, pubSz);
return ret;
}
#endif /* WOLFSSL_ASYNC_CRYPT && WC_ASYNC_ENABLE_DH */
/* Check DH Public Key for invalid numbers
*
* key DH key group parameters.
* pub Public Key.
* pubSz Public Key size.
*
* returns 0 on success or error code
*/
int wc_DhCheckPubKey(DhKey* key, const byte* pub, word32 pubSz)
{
int ret = 0;
mp_int x;
mp_int y;
if (key == NULL || pub == NULL) {
return BAD_FUNC_ARG;
}
if (mp_init_multi(&x, &y, NULL, NULL, NULL, NULL) != MP_OKAY) {
return MP_INIT_E;
}
if (mp_read_unsigned_bin(&x, pub, pubSz) != MP_OKAY) {
ret = MP_READ_E;
}
/* pub should not be 0 or 1 */
if (ret == 0 && mp_cmp_d(&x, 2) == MP_LT) {
ret = MP_CMP_E;
}
/* pub shouldn't be greater than or equal to p - 1 */
if (ret == 0 && mp_copy(&key->p, &y) != MP_OKAY) {
ret = MP_INIT_E;
}
if (ret == 0 && mp_sub_d(&y, 2, &y) != MP_OKAY) {
ret = MP_SUB_E;
}
if (ret == 0 && mp_cmp(&x, &y) == MP_GT) {
ret = MP_CMP_E;
}
mp_clear(&y);
mp_clear(&x);
return ret;
}
int wc_DhGenerateKeyPair(DhKey* key, WC_RNG* rng,
byte* priv, word32* privSz, byte* pub, word32* pubSz)
{
int ret;
if (key == NULL || rng == NULL || priv == NULL || privSz == NULL ||
pub == NULL || pubSz == NULL) {
return BAD_FUNC_ARG;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_DH)
if (key->asyncDev.marker == WOLFSSL_ASYNC_MARKER_DH) {
ret = wc_DhGenerateKeyPair_Async(key, rng, priv, privSz, pub, pubSz);
}
else
#endif
{
ret = wc_DhGenerateKeyPair_Sync(key, rng, priv, privSz, pub, pubSz);
}
return ret;
}
static int wc_DhAgree_Sync(DhKey* key, byte* agree, word32* agreeSz,
const byte* priv, word32 privSz, const byte* otherPub, word32 pubSz)
{
int ret = 0;
mp_int x;
mp_int y;
mp_int z;
if (wc_DhCheckPubKey(key, otherPub, pubSz) != 0) {
WOLFSSL_MSG("wc_DhAgree wc_DhCheckPubKey failed");
return DH_CHECK_PUB_E;
}
if (mp_init_multi(&x, &y, &z, 0, 0, 0) != MP_OKAY)
return MP_INIT_E;
if (mp_read_unsigned_bin(&x, priv, privSz) != MP_OKAY)
ret = MP_READ_E;
if (ret == 0 && mp_read_unsigned_bin(&y, otherPub, pubSz) != MP_OKAY)
ret = MP_READ_E;
if (ret == 0 && mp_exptmod(&y, &x, &key->p, &z) != MP_OKAY)
ret = MP_EXPTMOD_E;
if (ret == 0 && mp_to_unsigned_bin(&z, agree) != MP_OKAY)
ret = MP_TO_E;
if (ret == 0)
*agreeSz = mp_unsigned_bin_size(&z);
mp_clear(&z);
mp_clear(&y);
mp_forcezero(&x);
return ret;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_DH)
static int wc_DhAgree_Async(DhKey* key, byte* agree, word32* agreeSz,
const byte* priv, word32 privSz, const byte* otherPub, word32 pubSz)
{
int ret;
#ifdef HAVE_CAVIUM
/* TODO: Not implemented - use software for now */
ret = wc_DhAgree_Sync(key, agree, agreeSz, priv, privSz, otherPub, pubSz);
#elif defined(HAVE_INTEL_QA)
ret = wc_mp_to_bigint(&key->p, &key->p.raw);
if (ret == MP_OKAY)
ret = IntelQaDhAgree(&key->asyncDev, &key->p.raw,
agree, agreeSz, priv, privSz, otherPub, pubSz);
#else /* WOLFSSL_ASYNC_CRYPT_TEST */
WC_ASYNC_TEST* testDev = &key->asyncDev.test;
if (testDev->type == ASYNC_TEST_NONE) {
testDev->type = ASYNC_TEST_DH_AGREE;
testDev->dhAgree.key = key;
testDev->dhAgree.agree = agree;
testDev->dhAgree.agreeSz = agreeSz;
testDev->dhAgree.priv = priv;
testDev->dhAgree.privSz = privSz;
testDev->dhAgree.otherPub = otherPub;
testDev->dhAgree.pubSz = pubSz;
return WC_PENDING_E;
}
ret = wc_DhAgree_Sync(key, agree, agreeSz, priv, privSz, otherPub, pubSz);
#endif
return ret;
}
#endif /* WOLFSSL_ASYNC_CRYPT */
int wc_DhAgree(DhKey* key, byte* agree, word32* agreeSz, const byte* priv,
word32 privSz, const byte* otherPub, word32 pubSz)
{
int ret = 0;
if (key == NULL || agree == NULL || agreeSz == NULL || priv == NULL ||
otherPub == NULL) {
return BAD_FUNC_ARG;
}
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_DH)
if (key->asyncDev.marker == WOLFSSL_ASYNC_MARKER_DH) {
ret = wc_DhAgree_Async(key, agree, agreeSz, priv, privSz, otherPub, pubSz);
}
else
#endif
{
ret = wc_DhAgree_Sync(key, agree, agreeSz, priv, privSz, otherPub, pubSz);
}
return ret;
}
/* not in asn anymore since no actual asn types used */
int wc_DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g,
word32 gSz)
{
if (key == NULL || p == NULL || g == NULL || pSz == 0 || gSz == 0) {
return BAD_FUNC_ARG;
}
/* may have leading 0 */
if (p[0] == 0) {
pSz--; p++;
}
if (g[0] == 0) {
gSz--; g++;
}
if (mp_init(&key->p) != MP_OKAY)
return MP_INIT_E;
if (mp_read_unsigned_bin(&key->p, p, pSz) != 0) {
mp_clear(&key->p);
return ASN_DH_KEY_E;
}
if (mp_init(&key->g) != MP_OKAY) {
mp_clear(&key->p);
return MP_INIT_E;
}
if (mp_read_unsigned_bin(&key->g, g, gSz) != 0) {
mp_clear(&key->g);
mp_clear(&key->p);
return ASN_DH_KEY_E;
}
return 0;
}
#endif /* NO_DH */
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