98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
/* wolfssl_netos_custom.c
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <tx_api.h>
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#include <entropy.h>
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#include <wolfssl/wolfcrypt/settings.h>
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#include <wolfssl/wolfcrypt/error-crypt.h>
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#include <wolfssl/wolfcrypt/fips_test.h>
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int dc_log_printf(char* format, ...);
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#if BSP_SIGMA == 0
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int dc_log_printf(char* format, ...)
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{
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va_list args;
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va_start(args, (format));
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fflush(stdout);
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vprintf(format, args);
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fflush(stdout);
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va_end(args);
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return 0;
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}
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#endif
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unsigned char get_byte_from_pool(void)
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{
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unsigned char out;
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float density;
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/* Wait until pool has at least one byte */
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/* TODO: improve this */
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while (ent_get_byte_count() == 0)
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tx_thread_sleep(1);
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/* Stop gathering entropy to avoid race conditions */
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ent_set_status(0);
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/* Pop a single byte from the pool and continue gathering entropy */
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ent_pop(&out, &density);
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ent_set_status(1);
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return out;
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}
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int my_rng_generate_seed(unsigned char* output, int sz)
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{
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word32 i;
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srand(get_byte_from_pool());
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for (i = 0; i < sz; i++) {
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output[i] = (unsigned char) rand();
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srand(get_byte_from_pool());
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}
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return 0;
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}
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static void appFipsCb(int ok, int err, const char* hash)
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{
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dc_log_printf("in appFipsCb Fips callback, ok = %d, err = %d\n", ok, err);
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dc_log_printf("message = %s\n", wc_GetErrorString(err));
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dc_log_printf("hash = %s\n", hash);
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if (err == IN_CORE_FIPS_E) {
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dc_log_printf("In core integrity hash check failure, copy above hash\n");
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dc_log_printf("into verifyCore[] in fips_test.c and rebuild\n");
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}
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}
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void setAppFipsCb(void)
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{
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wolfCrypt_SetCb_fips(appFipsCb);
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}
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