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use cryptgenrandom successor in winrt

This commit is contained in:
John Sebastian Peterson 2015-03-10 02:23:30 +01:00
parent 2bbb238b4b
commit 43c1de33b4
1 changed files with 14 additions and 2 deletions
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16
ed25519/src/seed.cpp
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@ -3,11 +3,18 @@
#include <boost/system/error_code.hpp> #include <boost/system/error_code.hpp>
#include <boost/system/system_error.hpp> #include <boost/system/system_error.hpp>
#include "libtorrent/config.hpp"
#include "libtorrent/ed25519.hpp" #include "libtorrent/ed25519.hpp"
#ifndef ED25519_NO_SEED #ifndef ED25519_NO_SEED
#ifdef _WIN32 #ifdef TORRENT_WINRT
#include <robuffer.h>
#include <wrl/client.h>
using namespace Windows::Security::Cryptography;
using namespace Windows::Storage::Streams;
using namespace Microsoft::WRL;
#elif defined _WIN32
#include <Windows.h> #include <Windows.h>
#include <Wincrypt.h> #include <Wincrypt.h>
#else #else
@ -15,7 +22,12 @@
#endif #endif
void ed25519_create_seed(unsigned char *seed) { void ed25519_create_seed(unsigned char *seed) {
#ifdef _WIN32 #ifdef TORRENT_WINRT
IBuffer^ seedBuffer = CryptographicBuffer::GenerateRandom(32);
ComPtr<IBufferByteAccess> bufferByteAccess;
reinterpret_cast<IInspectable*>(seedBuffer)->QueryInterface(IID_PPV_ARGS(&bufferByteAccess));
bufferByteAccess->Buffer(&seed);
#elif defined _WIN32
HCRYPTPROV prov; HCRYPTPROV prov;
if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) { if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {