wolfSSL SSL/TLS library, support up to TLS1.3
Dependents: CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more
Diff: wolfcrypt/src/dh.c
- Revision:
- 13:f67a6c6013ca
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wolfcrypt/src/dh.c Tue Aug 22 10:48:22 2017 +0000 @@ -0,0 +1,920 @@ +/* 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 */ +