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/**
* @file fips_signer.c
*
* @brief Computes a HMAC signature and stores it in fips_signature.h.
*
*/
/*
* Copyright (C) 2007 Bruno Krieg, Daniel Wydler
* Hochschule fuer Technik Rapperswil, Switzerland
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <stdio.h>
#include <crypto/hashers/hasher.h>
#include "fips.h"
int main(int argc, char* argv[])
{
FILE *f;
char *hmac_key = "strongSwan Version " VERSION;
char hmac_signature[BUF_LEN];
if (!fips_compute_hmac_signature(hmac_key, hmac_signature))
{
exit(1);
}
/**
* write computed HMAC signature to fips_signature.h
*/
f = fopen("fips_signature.h", "wt");
if (f == NULL)
{
exit(1);
}
fprintf(f, "/* SHA-1 HMAC signature computed over TEXT and RODATA of libstrongswan\n");
fprintf(f, " *\n");
fprintf(f, " * This file has been automatically generated by fips_signer\n");
fprintf(f, " * Do not edit manually!\n");
fprintf(f, " */\n");
fprintf(f, "\n");
fprintf(f, "#ifndef FIPS_SIGNATURE_H_\n");
fprintf(f, "#define FIPS_SIGNATURE_H_\n");
fprintf(f, "\n");
fprintf(f, "const char *hmac_key = \"%s\";\n", hmac_key);
fprintf(f, "const char *hmac_signature = \"%s\";\n", hmac_signature);
fprintf(f, "\n");
fprintf(f, "#endif /* FIPS_SIGNATURE_H_ */\n");
fclose(f);
exit(0);
}
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