mirror of
https://github.com/PurpleI2P/i2pd-tools
synced 2025-01-11 23:37:53 +00:00
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#include <iostream>
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#include <fstream>
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#include <stdlib.h>
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#include <openssl/rand.h>
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#include "Crypto.h"
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#include "Identity.h"
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#include "common/key.hpp"
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// XXX: make this faster
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static bool check_keys(const std::string & prefix, i2p::data::PrivateKeys & key)
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{
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return key.GetPublic()->GetIdentHash().ToBase32().substr(0, prefix.length()) == prefix;
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}
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// XXX: make this faster
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static void mutate_keys(uint8_t * buf, i2p::data::PrivateKeys & key)
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{
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uint8_t * ptr = key.GetPadding();
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// TODO: do not hard code for ed25519
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RAND_bytes(ptr, 96);
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key.RecalculateIdentHash(buf);
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}
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int main (int argc, char * argv[])
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{
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if (argc < 2)
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{
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std::cout << "Usage: " << argv[0] << " filename prefix" << std::endl;
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return -1;
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}
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uint8_t buf[1024] = {0};
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std::string prefix(argv[2]);
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i2p::crypto::InitCrypto (false);
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// default to ed 25519 keys
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i2p::data::SigningKeyType type = i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519;
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auto keys = i2p::data::PrivateKeys::CreateRandomKeys (type);
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// TODO: multi threading
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while(!check_keys(prefix, keys))
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mutate_keys(buf, keys);
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std::ofstream f (argv[1], std::ofstream::binary | std::ofstream::out);
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if (f)
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{
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size_t len = keys.GetFullLen ();
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uint8_t * buf = new uint8_t[len];
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len = keys.ToBuffer (buf, len);
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f.write ((char *)buf, len);
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delete[] buf;
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std::cout << "Destination " << keys.GetPublic ()->GetIdentHash ().ToBase32 () << " created" << std::endl;
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}
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else
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std::cout << "Can't create file " << argv[1] << std::endl;
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i2p::crypto::TerminateCrypto ();
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return 0;
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}
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