13#ifndef OCRYPTO_ECDH_P521_H
14#define OCRYPTO_ECDH_P521_H
int ocrypto_ecdh_p521_public_key_check(const uint8_t pk[132])
int ocrypto_ecdh_p521_secret_key_check(const uint8_t sk[66])
int ocrypto_ecdh_p521_public_key(uint8_t pk[132], const uint8_t sk[66])
int ocrypto_ecdh_p521_common_secret(uint8_t r[66], const uint8_t sk[66], const uint8_t pk[132])