Files
hpcore/src/crypto.hpp
Asanka Indrajith 95683035b9 LCL history request and response. (#59)
Detect and request missing lcl history from another random node.
Sending lcl history response to a asked node.
Getting lcl history response and applying it.
Delete lcl that exceeds max ledger sequence.
2019-11-19 07:50:33 -05:00

40 lines
1.1 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);
} // namespace crypto
#endif