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hpcore/src/crypto.hpp

42 lines
1.3 KiB
C++

#ifndef _HP_CRYPTO_
#define _HP_CRYPTO_
#include "pchheader.hpp"
/**
* Offers convenience functions for cryptographic operations wrapping libsodium.
* These functions are used for contract config and user/peer message authentication.
*/
namespace crypto
{
// Prefix byte to append to ed25519 keys.
static unsigned char KEYPFX_ed25519 = 0xED;
// Prefixed public key bytes.
static size_t PFXD_PUBKEY_BYTES = crypto_sign_ed25519_PUBLICKEYBYTES + 1;
// Prefixed secret key bytes.
static size_t PFXD_SECKEY_BYTES = crypto_sign_ed25519_SECRETKEYBYTES + 1;
int init();
void generate_signing_keys(std::string &pubkey, std::string &seckey);
std::string sign(std::string_view msg, std::string_view seckey);
std::string sign_hex(std::string_view msg, std::string_view seckeyhex);
int verify(std::string_view msg, std::string_view sig, std::string_view pubkey);
int verify_hex(std::string_view msg, std::string_view sighex, std::string_view pubkeyhex);
std::string get_hash(std::string_view data);
std::string get_hash(const unsigned char *data, size_t data_length);
std::string get_hash(std::string_view s1, std::string_view s2);
std::string get_hash(const std::vector<std::string_view> &sw_vect);
} // namespace crypto
#endif