mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-14 19:50:12 +01:00
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef _SECRNG_H_
|
|
#define _SECRNG_H_
|
|
/*
|
|
* secrng.h - public data structures and prototypes for the secure random
|
|
* number generator
|
|
*/
|
|
|
|
/******************************************/
|
|
/*
|
|
** Random number generation. A cryptographically strong random number
|
|
** generator.
|
|
*/
|
|
|
|
#include "blapi.h"
|
|
|
|
/* the number of bytes to read from the system random number generator */
|
|
#define SYSTEM_RNG_SEED_COUNT 1024
|
|
|
|
SEC_BEGIN_PROTOS
|
|
|
|
/*
|
|
** The following functions are provided by the security library
|
|
** but are differently implemented for the UNIX, Win, and OS/2
|
|
** versions
|
|
*/
|
|
|
|
/*
|
|
** Get the "noisiest" information available on the system.
|
|
** The amount of data returned depends on the system implementation.
|
|
** It will not exceed maxbytes, but may be (much) less.
|
|
** Returns number of noise bytes copied into buf, or zero if error.
|
|
*/
|
|
extern size_t RNG_GetNoise(void *buf, size_t maxbytes);
|
|
|
|
/*
|
|
** RNG_SystemInfoForRNG should be called before any use of SSL. It
|
|
** gathers up the system specific information to help seed the
|
|
** state of the global random number generator.
|
|
*/
|
|
extern void RNG_SystemInfoForRNG(void);
|
|
|
|
/*
|
|
** Use the contents (and stat) of a file to help seed the
|
|
** global random number generator.
|
|
*/
|
|
extern void RNG_FileForRNG(const char *filename);
|
|
|
|
/*
|
|
** Get maxbytes bytes of random data from the system random number
|
|
** generator.
|
|
** Returns the number of bytes copied into buf -- maxbytes if success
|
|
** or zero if error.
|
|
** Errors:
|
|
** PR_NOT_IMPLEMENTED_ERROR There is no system RNG on the platform.
|
|
** SEC_ERROR_NEED_RANDOM The system RNG failed.
|
|
*/
|
|
extern size_t RNG_SystemRNG(void *buf, size_t maxbytes);
|
|
|
|
SEC_END_PROTOS
|
|
|
|
#endif /* _SECRNG_H_ */
|