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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
int
librecrypt_verify(const char *phrase, size_t len, const char *settings, void *reserved)
{
char *hash = NULL;
size_t size = 0u;
size_t off;
ssize_t n;
int ret, err;
n = librecrypt_hash_(NULL, 0u, phrase, len, settings, reserved, ASCII_HASH);
if (n < 0) {
if (errno == EOVERFLOW)
errno = ENOMEM;
return -1;
}
off = librecrypt_settings_prefix(hash, NULL, reserved);
if (hash[off] == '*') {
if ('0'> hash[off + 1u] || hash[off + 1u] > '9') {
errno = EINVAL;
return -1;
}
}
size = (size_t)n + 128u; /* a little extra so the hasher don't need to allocate output scratch */
hash = malloc(size);
if (!hash)
return -1;
n = librecrypt_hash_(hash, size, phrase, len, settings, reserved, ASCII_HASH);
if (n < 0) {
err = errno;
librecrypt_wipe(hash, size);
free(hash);
if (err == EOVERFLOW)
err = ENOMEM;
errno = err;
return -1;
}
if ((size_t)n > size)
abort();
ret = librecrypt_equal(hash, &settings[off]);
librecrypt_wipe(hash, size);
free(hash);
return ret;
}
#else
int
main(void)
{
SET_UP_ALARM();
INIT_RESOURCE_TEST();
/* TODO test */
STOP_RESOURCE_TEST();
return 0;
}
#endif
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