diff options
Diffstat (limited to 'usr.bin/signify/ge25519.h')
-rw-r--r-- | usr.bin/signify/ge25519.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/usr.bin/signify/ge25519.h b/usr.bin/signify/ge25519.h new file mode 100644 index 0000000..165844e --- /dev/null +++ b/usr.bin/signify/ge25519.h @@ -0,0 +1,43 @@ +/* $OpenBSD: ge25519.h,v 1.2 2015/02/16 18:26:26 miod Exp $ */ + +/* + * Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange, + * Peter Schwabe, Bo-Yin Yang. + * Copied from supercop-20130419/crypto_sign/ed25519/ref/ge25519.h + */ + +#ifndef GE25519_H +#define GE25519_H + +#include "fe25519.h" +#include "sc25519.h" + +#define ge25519 crypto_sign_ed25519_ref_ge25519 +#define ge25519_base crypto_sign_ed25519_ref_ge25519_base +#define ge25519_unpackneg_vartime crypto_sign_ed25519_ref_unpackneg_vartime +#define ge25519_pack crypto_sign_ed25519_ref_pack +#define ge25519_isneutral_vartime crypto_sign_ed25519_ref_isneutral_vartime +#define ge25519_double_scalarmult_vartime crypto_sign_ed25519_ref_double_scalarmult_vartime +#define ge25519_scalarmult_base crypto_sign_ed25519_ref_scalarmult_base + +typedef struct +{ + fe25519 x; + fe25519 y; + fe25519 z; + fe25519 t; +} ge25519; + +extern const ge25519 ge25519_base; + +int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]); + +void ge25519_pack(unsigned char r[32], const ge25519 *p); + +int ge25519_isneutral_vartime(const ge25519 *p); + +void ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const sc25519 *s1, const ge25519 *p2, const sc25519 *s2); + +void ge25519_scalarmult_base(ge25519 *r, const sc25519 *s); + +#endif |