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/*
* Win32 CAPI EntropySource
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_ENTROPY_SRC_WIN32_CAPI_H__
#define BOTAN_ENTROPY_SRC_WIN32_CAPI_H__
#include <botan/entropy_src.h>
#include <vector>
namespace Botan {
/**
* Win32 CAPI Entropy Source
*/
class Win32_CAPI_EntropySource final : public Entropy_Source
{
public:
std::string name() const override { return "win32_cryptoapi"; }
size_t poll(RandomNumberGenerator& rng) override;
/**
* Win32_Capi_Entropysource Constructor
* @param provs list of providers, separated by ':'
*/
explicit Win32_CAPI_EntropySource(const std::string& provs = "");
class CSP_Handle
{
public:
virtual ~CSP_Handle() {}
virtual size_t gen_random(uint8_t out[], size_t n) const = 0;
};
private:
std::vector<std::unique_ptr<CSP_Handle>> m_csp_provs;
};
}
#endif
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