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