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66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
9 years ago
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/*
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* Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange,
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* Peter Schwabe, Bo-Yin Yang.
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* Copied from supercop-20130419/crypto_sign/ed25519/ref/fe25519.h
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*/
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#ifndef __SXT_FE25519_H__
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#define __SXT_FE25519_H__
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#define fe25519 crypto_sign_ed25519_ref_fe25519
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#define fe25519_freeze crypto_sign_ed25519_ref_fe25519_freeze
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#define fe25519_unpack crypto_sign_ed25519_ref_fe25519_unpack
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#define fe25519_pack crypto_sign_ed25519_ref_fe25519_pack
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#define fe25519_iszero crypto_sign_ed25519_ref_fe25519_iszero
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#define fe25519_iseq_vartime crypto_sign_ed25519_ref_fe25519_iseq_vartime
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#define fe25519_cmov crypto_sign_ed25519_ref_fe25519_cmov
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#define fe25519_setone crypto_sign_ed25519_ref_fe25519_setone
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#define fe25519_setzero crypto_sign_ed25519_ref_fe25519_setzero
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#define fe25519_neg crypto_sign_ed25519_ref_fe25519_neg
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#define fe25519_getparity crypto_sign_ed25519_ref_fe25519_getparity
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#define fe25519_add crypto_sign_ed25519_ref_fe25519_add
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#define fe25519_sub crypto_sign_ed25519_ref_fe25519_sub
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#define fe25519_mul crypto_sign_ed25519_ref_fe25519_mul
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#define fe25519_square crypto_sign_ed25519_ref_fe25519_square
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#define fe25519_invert crypto_sign_ed25519_ref_fe25519_invert
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#define fe25519_pow2523 crypto_sign_ed25519_ref_fe25519_pow2523
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typedef struct {
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uint32_t v[32];
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} fe25519;
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void fe25519_freeze(fe25519 *r);
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void fe25519_unpack(fe25519 *r, const unsigned char x[32]);
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void fe25519_pack(unsigned char r[32], const fe25519 *x);
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int fe25519_iszero(const fe25519 *x);
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int fe25519_iseq_vartime(const fe25519 *x, const fe25519 *y);
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void fe25519_cmov(fe25519 *r, const fe25519 *x, unsigned char b);
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void fe25519_setone(fe25519 *r);
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void fe25519_setzero(fe25519 *r);
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void fe25519_neg(fe25519 *r, const fe25519 *x);
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unsigned char fe25519_getparity(const fe25519 *x);
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void fe25519_add(fe25519 *r, const fe25519 *x, const fe25519 *y);
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void fe25519_sub(fe25519 *r, const fe25519 *x, const fe25519 *y);
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void fe25519_mul(fe25519 *r, const fe25519 *x, const fe25519 *y);
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void fe25519_square(fe25519 *r, const fe25519 *x);
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void fe25519_invert(fe25519 *r, const fe25519 *x);
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void fe25519_pow2523(fe25519 *r, const fe25519 *x);
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#endif
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