extern const ge25519 ALIGN(16) ge25519_basepoint; /* d */ extern const bignum25519 ALIGN(16) ge25519_ecd; extern const bignum25519 ALIGN(16) ge25519_ec2d; /* sqrt(-1) */ extern const bignum25519 ALIGN(16) ge25519_sqrtneg1; extern const ge25519_niels ALIGN(16) ge25519_niels_sliding_multiples[32];