52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
// ignore warnings in this file
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#include "libtorrent/aux_/disable_warnings_push.hpp"
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#include <boost/system/error_code.hpp>
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#include <boost/system/system_error.hpp>
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#include "libtorrent/ed25519.hpp"
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#ifndef ED25519_NO_SEED
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#ifdef _WIN32
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#include <Windows.h>
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#include <Wincrypt.h>
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#else
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#include <stdio.h>
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#endif
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void ed25519_create_seed(unsigned char *seed) {
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#ifdef _WIN32
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HCRYPTPROV prov;
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if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
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throw boost::system::system_error(boost::system::error_code(GetLastError()
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, boost::system::system_category()));
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}
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if (!CryptGenRandom(prov, 32, seed)) {
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CryptReleaseContext(prov, 0);
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throw boost::system::system_error(boost::system::error_code(GetLastError()
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, boost::system::system_category()));
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}
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CryptReleaseContext(prov, 0);
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#else
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FILE *f = fopen("/dev/urandom", "rb");
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if (f == NULL) {
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throw boost::system::system_error(boost::system::error_code(errno, boost::system::generic_category()));
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}
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int read = fread(seed, 1, 32, f);
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if (read != 32) {
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fclose(f);
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throw boost::system::system_error(boost::system::error_code(errno, boost::system::generic_category()));
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}
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fclose(f);
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#endif
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}
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#endif
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