#ifndef crypto_scalarmult_curve25519_H #define crypto_scalarmult_curve25519_H #include <stddef.h> #include "export.h" #ifdef __cplusplus extern "C" { #endif #define crypto_scalarmult_curve25519_BYTES 32U SODIUM_EXPORT size_t crypto_scalarmult_curve25519_bytes(void); #define crypto_scalarmult_curve25519_SCALARBYTES 32U SODIUM_EXPORT size_t crypto_scalarmult_curve25519_scalarbytes(void); /* * NOTE: Do not use the result of this function directly. * * Hash the result with the public keys in order to compute a shared * secret key: H(q || client_pk || server_pk) * * Or unless this is not an option, use the crypto_kx() API instead. */ SODIUM_EXPORT int crypto_scalarmult_curve25519(unsigned char *q, const unsigned char *n, const unsigned char *p) __attribute__ ((warn_unused_result)); SODIUM_EXPORT int crypto_scalarmult_curve25519_base(unsigned char *q, const unsigned char *n); #ifdef __cplusplus } #endif #endif |