101 regels
3.2 KiB
C
101 regels
3.2 KiB
C
#ifndef crypto_core_ristretto255_H
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#define crypto_core_ristretto255_H
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#include <stddef.h>
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#include "export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define crypto_core_ristretto255_BYTES 32
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SODIUM_EXPORT
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size_t crypto_core_ristretto255_bytes(void);
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#define crypto_core_ristretto255_HASHBYTES 64
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SODIUM_EXPORT
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size_t crypto_core_ristretto255_hashbytes(void);
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#define crypto_core_ristretto255_SCALARBYTES 32
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SODIUM_EXPORT
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size_t crypto_core_ristretto255_scalarbytes(void);
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#define crypto_core_ristretto255_NONREDUCEDSCALARBYTES 64
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SODIUM_EXPORT
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size_t crypto_core_ristretto255_nonreducedscalarbytes(void);
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SODIUM_EXPORT
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int crypto_core_ristretto255_is_valid_point(const unsigned char *p)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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int crypto_core_ristretto255_add(unsigned char *r,
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const unsigned char *p, const unsigned char *q)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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int crypto_core_ristretto255_sub(unsigned char *r,
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const unsigned char *p, const unsigned char *q)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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int crypto_core_ristretto255_from_hash(unsigned char *p,
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const unsigned char *r)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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void crypto_core_ristretto255_random(unsigned char *p)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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void crypto_core_ristretto255_scalar_random(unsigned char *r)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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int crypto_core_ristretto255_scalar_invert(unsigned char *recip,
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const unsigned char *s)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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void crypto_core_ristretto255_scalar_negate(unsigned char *neg,
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const unsigned char *s)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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void crypto_core_ristretto255_scalar_complement(unsigned char *comp,
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const unsigned char *s)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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void crypto_core_ristretto255_scalar_add(unsigned char *z,
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const unsigned char *x,
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const unsigned char *y)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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void crypto_core_ristretto255_scalar_sub(unsigned char *z,
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const unsigned char *x,
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const unsigned char *y)
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__attribute__ ((nonnull));
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SODIUM_EXPORT
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void crypto_core_ristretto255_scalar_mul(unsigned char *z,
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const unsigned char *x,
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const unsigned char *y)
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__attribute__ ((nonnull));
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/*
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* The interval `s` is sampled from should be at least 317 bits to ensure almost
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* uniformity of `r` over `L`.
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*/
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SODIUM_EXPORT
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void crypto_core_ristretto255_scalar_reduce(unsigned char *r,
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const unsigned char *s)
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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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