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84 lines
1.7 KiB
C
84 lines
1.7 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 <sodium/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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{
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#endif
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typedef struct randombytes_implementation
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{
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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)(
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const uint32_t upper_bound); /* optional, a default implementation will
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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
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randombytes_seedbytes(void);
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SODIUM_EXPORT
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void
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randombytes_buf(void *const buf, const size_t size);
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SODIUM_EXPORT
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void
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randombytes_buf_deterministic(
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void *const buf, const size_t size,
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const unsigned char seed[randombytes_SEEDBYTES]);
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SODIUM_EXPORT
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uint32_t
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randombytes_random(void);
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SODIUM_EXPORT
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uint32_t
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randombytes_uniform(const uint32_t upper_bound);
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SODIUM_EXPORT
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void
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randombytes_stir(void);
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SODIUM_EXPORT
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int
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randombytes_close(void);
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SODIUM_EXPORT
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int
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randombytes_set_implementation(randombytes_implementation *impl);
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SODIUM_EXPORT
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const char *
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randombytes_implementation_name(void);
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/* -- NaCl compatibility interface -- */
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SODIUM_EXPORT
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void
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randombytes(unsigned char *const buf, const unsigned long long buf_len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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