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/*
* Copyright (C) 2014 Matthias P. Braendli
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
#include "encryption.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
int readkey(const char* keyfile, char* key)
{
int fd = open(keyfile, O_RDONLY);
if (fd < 0)
return fd;
int ret = read(fd, key, CURVE_KEYLEN);
if (ret < 0) {
close(fd);
return ret;
}
close(fd);
/* It needs to be zero-terminated */
key[CURVE_KEYLEN] = '\0';
return 0;
}
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