Telegram-Android/TMessagesProj/jni/boringssl/crypto/rand_extra/rand_extra.c
2018-07-30 09:07:02 +07:00

70 lines
1.8 KiB
C

/* Copyright (c) 2017, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/rand.h>
#include <limits.h>
void RAND_seed(const void *buf, int num) {
// OpenSSH calls |RAND_seed| before jailing on the assumption that any needed
// file descriptors etc will be opened.
uint8_t unused;
RAND_bytes(&unused, sizeof(unused));
}
int RAND_load_file(const char *path, long num) {
if (num < 0) { // read the "whole file"
return 1;
} else if (num <= INT_MAX) {
return (int) num;
} else {
return INT_MAX;
}
}
const char *RAND_file_name(char *buf, size_t num) { return NULL; }
void RAND_add(const void *buf, int num, double entropy) {}
int RAND_egd(const char *path) {
return 255;
}
int RAND_poll(void) {
return 1;
}
int RAND_status(void) {
return 1;
}
static const struct rand_meth_st kSSLeayMethod = {
RAND_seed,
RAND_bytes,
RAND_cleanup,
RAND_add,
RAND_pseudo_bytes,
RAND_status,
};
RAND_METHOD *RAND_SSLeay(void) {
return (RAND_METHOD*) &kSSLeayMethod;
}
const RAND_METHOD *RAND_get_rand_method(void) { return RAND_SSLeay(); }
void RAND_set_rand_method(const RAND_METHOD *method) {}
void RAND_cleanup(void) {}