57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* sha256-hash-oneshot-string.c
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*
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* Copyright (C) 2006-2020 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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#ifndef WOLFSSL_USER_SETTINGS
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#include <wolfssl/options.h>
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#endif
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#include <wolfssl/wolfcrypt/settings.h>
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#include <wolfssl/wolfcrypt/hash.h>
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#include <wolfssl/wolfcrypt/error-crypt.h>
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int main(int argc, char** argv)
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{
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int ret = -1;
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#ifndef NO_SHA256
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unsigned char hash[WC_SHA256_DIGEST_SIZE];
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const char* string = "String to hash";
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int i;
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printf("String to hash: '%s'\n", string);
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ret = wc_Sha256Hash((unsigned char*)string, XSTRLEN(string), hash);
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if (ret != 0) {
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printf("ERROR: Hash operation failed");
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goto prog_end;
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}
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printf("Hash result is: ");
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for (i = 0; i < WC_SHA256_DIGEST_SIZE; i++)
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printf("%02x", hash[i]);
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printf("\n");
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prog_end:
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#else
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printf("Please enable sha256 (--enable-sha256) in wolfCrypt\n");
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#endif
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return ret;
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}
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