diff options
Diffstat (limited to 'FreeRTOS-Plus/Source/WolfSSL/wolfcrypt/src/fp_sqr_comba_12.i')
| -rw-r--r-- | FreeRTOS-Plus/Source/WolfSSL/wolfcrypt/src/fp_sqr_comba_12.i | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/FreeRTOS-Plus/Source/WolfSSL/wolfcrypt/src/fp_sqr_comba_12.i b/FreeRTOS-Plus/Source/WolfSSL/wolfcrypt/src/fp_sqr_comba_12.i index 078b8986d..cded4b123 100644 --- a/FreeRTOS-Plus/Source/WolfSSL/wolfcrypt/src/fp_sqr_comba_12.i +++ b/FreeRTOS-Plus/Source/WolfSSL/wolfcrypt/src/fp_sqr_comba_12.i @@ -1,8 +1,8 @@ /* fp_sqr_comba_12.i * - * 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 @@ -16,17 +16,30 @@ * * 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 */ + #ifdef TFM_SQR12 -void fp_sqr_comba12(fp_int *A, fp_int *B) +int fp_sqr_comba12(fp_int *A, fp_int *B) { - fp_digit *a, b[24], c0, c1, c2, sc0, sc1, sc2; + fp_digit *a, c0, c1, c2, sc0 = 0, sc1 = 0, sc2 = 0; #ifdef TFM_ISO fp_word tt; #endif +#ifndef WOLFSSL_SMALL_STACK + fp_digit b[24]; +#else + fp_digit *b; +#endif + +#ifdef WOLFSSL_SMALL_STACK + b = (fp_digit*)XMALLOC(sizeof(fp_digit) * 24, NULL, DYNAMIC_TYPE_TMP_BUFFER); + if (b == NULL) + return FP_MEM; +#endif + a = A->dp; COMBA_START; @@ -151,8 +164,13 @@ void fp_sqr_comba12(fp_int *A, fp_int *B) B->used = 24; B->sign = FP_ZPOS; - memcpy(B->dp, b, 24 * sizeof(fp_digit)); + XMEMCPY(B->dp, b, 24 * sizeof(fp_digit)); fp_clamp(B); + +#ifdef WOLFSSL_SMALL_STACK + XFREE(b, NULL, DYNAMIC_TYPE_TMP_BUFFER); +#endif + return FP_OKAY; } #endif |