45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/* Pandora agents service for Win32.
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Copyright (C) 2016 Artica ST.
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Written by Ramon Novoa.
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This program 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, or (at your option)
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any later version.
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This program 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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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "openssl/sha.h"
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#include "sha256.h"
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void
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sha256(const char *data, char hex_digest[SHA256_HEX_LENGTH + 1])
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{
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int i, j;
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unsigned char hash[SHA256_DIGEST_LENGTH];
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SHA256_CTX sha256;
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// Calculate the SHA-256 hash.
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SHA256_Init(&sha256);
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SHA256_Update(&sha256, data, strlen(data));
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SHA256_Final(hash, &sha256);
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// Convert it to a hexadecimal string.
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for(i = 0, j = 0; i < SHA256_DIGEST_LENGTH, j < SHA256_HEX_LENGTH; i++, j+=2) {
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sprintf(&(hex_digest[j]), "%02x", hash[i]);
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}
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// Add a NULL terminator.
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hex_digest[SHA256_HEX_LENGTH] = 0;
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}
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