diff options
Diffstat (limited to 'FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/fe_operations.h')
| -rw-r--r-- | FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/fe_operations.h | 116 |
1 files changed, 97 insertions, 19 deletions
diff --git a/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/fe_operations.h b/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/fe_operations.h index a779f2be7..336da81c6 100644 --- a/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/fe_operations.h +++ b/FreeRTOS-Plus/Source/WolfSSL/wolfssl/wolfcrypt/fe_operations.h @@ -1,8 +1,8 @@ /* fe_operations.h * - * Copyright (C) 2006-2015 wolfSSL Inc. + * Copyright (C) 2006-2020 wolfSSL Inc. * - * This file is part of wolfSSL. (formerly known as CyaSSL) + * 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 @@ -16,9 +16,10 @@ * * 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 02110-1301, USA + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA */ + #ifndef WOLF_CRYPT_FE_OPERATIONS_H #define WOLF_CRYPT_FE_OPERATIONS_H @@ -26,11 +27,31 @@ #if defined(HAVE_CURVE25519) || defined(HAVE_ED25519) -#ifndef CURVED25519_SMALL +#if !defined(CURVE25519_SMALL) || !defined(ED25519_SMALL) #include <stdint.h> #endif + #include <wolfssl/wolfcrypt/types.h> +#if defined(USE_INTEL_SPEEDUP) && !defined(NO_CURVED25519_X64) + #define CURVED25519_X64 +#elif defined(HAVE___UINT128_T) && !defined(NO_CURVED25519_128BIT) + #define CURVED25519_128BIT +#endif + +#if defined(CURVED25519_X64) + #define CURVED25519_ASM_64BIT + #define CURVED25519_ASM +#endif +#if defined(WOLFSSL_ARMASM) + #ifdef __aarch64__ + #define CURVED25519_ASM_64BIT + #else + #define CURVED25519_ASM_32BIT + #endif + #define CURVED25519_ASM +#endif + /* fe means field element. Here the field is \Z/(2^255-19). @@ -39,14 +60,41 @@ t[0]+2^26 t[1]+2^51 t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on context. */ -#ifdef CURVED25519_SMALL - #define F25519_SIZE 32 - typedef byte fe[32]; +#ifdef __cplusplus + extern "C" { +#endif + +#if defined(CURVE25519_SMALL) || defined(ED25519_SMALL) + #define F25519_SIZE 32 + + WOLFSSL_LOCAL void lm_copy(byte*, const byte*); + WOLFSSL_LOCAL void lm_add(byte*, const byte*, const byte*); + WOLFSSL_LOCAL void lm_sub(byte*, const byte*, const byte*); + WOLFSSL_LOCAL void lm_neg(byte*,const byte*); + WOLFSSL_LOCAL void lm_invert(byte*, const byte*); + WOLFSSL_LOCAL void lm_mul(byte*,const byte*,const byte*); +#endif + + +#if !defined(FREESCALE_LTC_ECC) +WOLFSSL_LOCAL void fe_init(void); + +WOLFSSL_LOCAL int curve25519(byte * q, byte * n, byte * p); +#endif + +/* default to be faster but take more memory */ +#if !defined(CURVE25519_SMALL) || !defined(ED25519_SMALL) + +#ifdef CURVED25519_ASM_64BIT + typedef int64_t fe[4]; +#elif defined(CURVED25519_ASM_32BIT) + typedef int32_t fe[8]; +#elif defined(CURVED25519_128BIT) + typedef int64_t fe[5]; #else typedef int32_t fe[10]; #endif -WOLFSSL_LOCAL int curve25519(byte * q, byte * n, byte * p); WOLFSSL_LOCAL void fe_copy(fe, const fe); WOLFSSL_LOCAL void fe_add(fe, const fe, const fe); WOLFSSL_LOCAL void fe_neg(fe,const fe); @@ -54,8 +102,6 @@ WOLFSSL_LOCAL void fe_sub(fe, const fe, const fe); WOLFSSL_LOCAL void fe_invert(fe, const fe); WOLFSSL_LOCAL void fe_mul(fe,const fe,const fe); -/* default to be faster but take more memory */ -#ifndef CURVED25519_SMALL /* Based On Daniel J Bernstein's curve25519 and ed25519 Public Domain ref10 work. */ @@ -68,19 +114,45 @@ WOLFSSL_LOCAL void fe_tobytes(unsigned char *, const fe); WOLFSSL_LOCAL void fe_sq(fe, const fe); WOLFSSL_LOCAL void fe_sq2(fe,const fe); WOLFSSL_LOCAL void fe_frombytes(fe,const unsigned char *); -WOLFSSL_LOCAL void fe_cswap(fe,fe,unsigned int); +WOLFSSL_LOCAL void fe_cswap(fe, fe, int); WOLFSSL_LOCAL void fe_mul121666(fe,fe); -WOLFSSL_LOCAL void fe_cmov(fe,const fe,unsigned int); +WOLFSSL_LOCAL void fe_cmov(fe,const fe, int); WOLFSSL_LOCAL void fe_pow22523(fe,const fe); /* 64 type needed for SHA512 */ WOLFSSL_LOCAL uint64_t load_3(const unsigned char *in); WOLFSSL_LOCAL uint64_t load_4(const unsigned char *in); -#endif /* not defined CURVED25519_SMALL */ + +#ifdef CURVED25519_ASM +WOLFSSL_LOCAL void fe_ge_to_p2(fe rx, fe ry, fe rz, const fe px, const fe py, + const fe pz, const fe pt); +WOLFSSL_LOCAL void fe_ge_to_p3(fe rx, fe ry, fe rz, fe rt, const fe px, + const fe py, const fe pz, const fe pt); +WOLFSSL_LOCAL void fe_ge_dbl(fe rx, fe ry, fe rz, fe rt, const fe px, + const fe py, const fe pz); +WOLFSSL_LOCAL void fe_ge_madd(fe rx, fe ry, fe rz, fe rt, const fe px, + const fe py, const fe pz, const fe pt, + const fe qxy2d, const fe qyplusx, + const fe qyminusx); +WOLFSSL_LOCAL void fe_ge_msub(fe rx, fe ry, fe rz, fe rt, const fe px, + const fe py, const fe pz, const fe pt, + const fe qxy2d, const fe qyplusx, + const fe qyminusx); +WOLFSSL_LOCAL void fe_ge_add(fe rx, fe ry, fe rz, fe rt, const fe px, + const fe py, const fe pz, const fe pt, const fe qz, + const fe qt2d, const fe qyplusx, + const fe qyminusx); +WOLFSSL_LOCAL void fe_ge_sub(fe rx, fe ry, fe rz, fe rt, const fe px, + const fe py, const fe pz, const fe pt, const fe qz, + const fe qt2d, const fe qyplusx, + const fe qyminusx); +WOLFSSL_LOCAL void fe_cmov_table(fe* r, fe* base, signed char b); +#endif /* CURVED25519_ASM */ +#endif /* !CURVE25519_SMALL || !ED25519_SMALL */ /* Use less memory and only 32bit types or less, but is slower Based on Daniel Beer's public domain work. */ -#ifdef CURVED25519_SMALL +#if defined(CURVE25519_SMALL) || defined(ED25519_SMALL) static const byte c25519_base_x[F25519_SIZE] = {9}; static const byte f25519_zero[F25519_SIZE] = {0}; static const byte f25519_one[F25519_SIZE] = {1}; @@ -93,7 +165,7 @@ WOLFSSL_LOCAL void fe_inv__distinct(byte *r, const byte *x); /* Conditional copy. If condition == 0, then zero is copied to dst. If * condition == 1, then one is copied to dst. Any other value results in - * undefined behaviour. + * undefined behavior. */ WOLFSSL_LOCAL void fe_select(byte *dst, const byte *zero, const byte *one, byte condition); @@ -117,7 +189,7 @@ WOLFSSL_LOCAL void fe_sqrt(byte *r, const byte *x); /* Conditional copy. If condition == 0, then zero is copied to dst. If * condition == 1, then one is copied to dst. Any other value results in - * undefined behaviour. + * undefined behavior. */ WOLFSSL_LOCAL void fprime_select(byte *dst, const byte *zero, const byte *one, byte condition); @@ -126,7 +198,13 @@ WOLFSSL_LOCAL void fprime_sub(byte *r, const byte *a, const byte *modulus); WOLFSSL_LOCAL void fprime_mul(byte *r, const byte *a, const byte *b, const byte *modulus); WOLFSSL_LOCAL void fprime_copy(byte *x, const byte *a); -#endif /* CURVED25519_SMALL */ -#endif /* HAVE_CURVE25519 or HAVE_ED25519 */ -#endif /* WOLF_CRYPT_FE_OPERATIONS_H */ +#endif /* CURVE25519_SMALL || ED25519_SMALL */ + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* HAVE_CURVE25519 || HAVE_ED25519 */ + +#endif /* WOLF_CRYPT_FE_OPERATIONS_H */ |