curve25519-donna-64bit.h File Reference

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Macros
#define	F(s)
#define	curve25519_contract_carry()
#define	curve25519_contract_carry_full()
#define	curve25519_contract_carry_final()
#define	write51full(n, shift)
#define	write51(n)
#define	ED25519_64BIT_TABLES

Typedefs
typedef uint64_t	bignum25519[5]

Macro Definition Documentation

curve25519_contract_carry

#define curve25519_contract_carry

(

)

Value:

t[1] += t[0] >> 51; t[0] &= reduce_mask_51; \
t[2] += t[1] >> 51; t[1] &= reduce_mask_51; \
t[3] += t[2] >> 51; t[2] &= reduce_mask_51; \
t[4] += t[3] >> 51; t[3] &= reduce_mask_51;

curve25519_contract_carry_final

#define curve25519_contract_carry_final

(

)

Value:

curve25519_contract_carry() \
t[4] &= reduce_mask_51;

curve25519_contract_carry_full

#define curve25519_contract_carry_full

(

)

Value:

curve25519_contract_carry() \
t[0] += 19 * (t[4] >> 51); t[4] &= reduce_mask_51;

ED25519_64BIT_TABLES

#define ED25519_64BIT_TABLES

Definition at line 412 of file curve25519-donna-64bit.h.

F

#define F

(

s

)

Value:

((((uint64_t)in[s + 0])      ) | \
 (((uint64_t)in[s + 1]) <<  8) | \
 (((uint64_t)in[s + 2]) << 16) | \
 (((uint64_t)in[s + 3]) << 24) | \
 (((uint64_t)in[s + 4]) << 32) | \
 (((uint64_t)in[s + 5]) << 40) | \
 (((uint64_t)in[s + 6]) << 48) | \
 (((uint64_t)in[s + 7]) << 56))

write51

#define write51

(

n

)

Value:

write51full(n,13*n)

write51full

#define write51full	(		n,
			shift )

Value:

f = ((t[n] >> shift) | (t[n+1] << (51 - shift))); \
for (i = 0; i < 8; i++, f >>= 8) *out++ = (unsigned char)f;

Typedef Documentation

bignum25519

typedef uint64_t bignum25519[5]

Definition at line 9 of file curve25519-donna-64bit.h.