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- #include <openssl/evp.h>
- #include <openssl/bn.h>
- #include <iostream>
- #include <string>
- #include <iomanip>
- #include "Base.h"
- #define KEYSIZE 32
- size_t len = KEYSIZE;
- struct BoxKeys
- {
- uint8_t PublicKey[KEYSIZE];
- uint8_t PrivateKey[KEYSIZE];
- };
- BoxKeys getKeyPair()
- {
- BoxKeys keys;
- EVP_PKEY_CTX * Ctx;
- EVP_PKEY * Pkey = nullptr;
- Ctx = EVP_PKEY_CTX_new_id (NID_X25519, NULL);
- EVP_PKEY_keygen_init (Ctx);
- EVP_PKEY_keygen (Ctx, &Pkey);
- EVP_PKEY_get_raw_public_key (Pkey, keys.PublicKey, &len);
- EVP_PKEY_get_raw_private_key (Pkey, keys.PrivateKey, &len);
- EVP_PKEY_CTX_free(Ctx);
- EVP_PKEY_free(Pkey);
- return keys;
- }
- int main(int argc, char * argv[])
- {
- if (argc > 1)
- {
- std::string arg (argv[1]);
- if (arg == "--usage" || arg == "--help" || arg == "-h")
- {
- std::cout << "The x25519 keys are used for authentication with an encrypted LeaseSet.\n"
- << "Server side:\n"
- << " signaturetype = 11\n"
- << " i2cp.leaseSetType = 5\n"
- << " i2cp.leaseSetAuthType = 1\n"
- << " i2cp.leaseSetClient.dh.210 = clientName:PublicKey\n"
- << "Client side:\n"
- << " i2cp.leaseSetPrivKey = PrivateKey\n\n"
- << "https://i2pd.readthedocs.io/en/latest/user-guide/tunnels/" << std::endl;
- return 0;
- }
- }
- BoxKeys newKeys = getKeyPair();
- const size_t len_out = 50;
- char b64Public[len_out] = {0};
- char b64Private[len_out] = {0};
- i2p::data::ByteStreamToBase64 (newKeys.PublicKey, len, b64Public, len_out);
- std::cout << "PublicKey: ";
- for (int i = 0; b64Public[i] != 0; ++i)
- std::cout << b64Public[i];
- i2p::data::ByteStreamToBase64 (newKeys.PrivateKey, len, b64Private, len_out);
- std::cout << "\nPrivateKey: ";
- for (int i = 0; b64Private[i] != 0; ++i)
- std::cout << b64Private[i];
- std::cout << std::endl;
- return 0;
- }
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