lokinet/crypto/include/sodium/randombytes.h
2018-10-23 07:29:37 -04:00

84 lines
1.7 KiB
C

#ifndef randombytes_H
#define randombytes_H
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
#include <sodium/export.h>
#ifdef __cplusplus
#ifdef __GNUC__
#pragma GCC diagnostic ignored "-Wlong-long"
#endif
extern "C"
{
#endif
typedef struct randombytes_implementation
{
const char *(*implementation_name)(void); /* required */
uint32_t (*random)(void); /* required */
void (*stir)(void); /* optional */
uint32_t (*uniform)(
const uint32_t upper_bound); /* optional, a default implementation will
be used if NULL */
void (*buf)(void *const buf, const size_t size); /* required */
int (*close)(void); /* optional */
} randombytes_implementation;
#define randombytes_BYTES_MAX SODIUM_MIN(SODIUM_SIZE_MAX, 0xffffffffUL)
#define randombytes_SEEDBYTES 32U
SODIUM_EXPORT
size_t
randombytes_seedbytes(void);
SODIUM_EXPORT
void
randombytes_buf(void *const buf, const size_t size);
SODIUM_EXPORT
void
randombytes_buf_deterministic(
void *const buf, const size_t size,
const unsigned char seed[randombytes_SEEDBYTES]);
SODIUM_EXPORT
uint32_t
randombytes_random(void);
SODIUM_EXPORT
uint32_t
randombytes_uniform(const uint32_t upper_bound);
SODIUM_EXPORT
void
randombytes_stir(void);
SODIUM_EXPORT
int
randombytes_close(void);
SODIUM_EXPORT
int
randombytes_set_implementation(randombytes_implementation *impl);
SODIUM_EXPORT
const char *
randombytes_implementation_name(void);
/* -- NaCl compatibility interface -- */
SODIUM_EXPORT
void
randombytes(unsigned char *const buf, const unsigned long long buf_len);
#ifdef __cplusplus
}
#endif
#endif