44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
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/* $OpenBSD: ge25519.h,v 1.4 2015/02/16 18:26:26 miod Exp $ */
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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/ge25519.h
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*/
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#ifndef GE25519_H
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#define GE25519_H
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#include "fe25519.h"
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#include "sc25519.h"
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#define ge25519 crypto_sign_ed25519_ref_ge25519
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#define ge25519_base crypto_sign_ed25519_ref_ge25519_base
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#define ge25519_unpackneg_vartime crypto_sign_ed25519_ref_unpackneg_vartime
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#define ge25519_pack crypto_sign_ed25519_ref_pack
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#define ge25519_isneutral_vartime crypto_sign_ed25519_ref_isneutral_vartime
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#define ge25519_double_scalarmult_vartime crypto_sign_ed25519_ref_double_scalarmult_vartime
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#define ge25519_scalarmult_base crypto_sign_ed25519_ref_scalarmult_base
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typedef struct
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{
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fe25519 x;
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fe25519 y;
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fe25519 z;
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fe25519 t;
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} ge25519;
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extern const ge25519 ge25519_base;
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int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]);
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void ge25519_pack(unsigned char r[32], const ge25519 *p);
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int ge25519_isneutral_vartime(const ge25519 *p);
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void ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const sc25519 *s1, const ge25519 *p2, const sc25519 *s2);
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void ge25519_scalarmult_base(ge25519 *r, const sc25519 *s);
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#endif
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