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-rw-r--r--src/entropy/cryptoapi_rng/es_capi.cpp93
1 files changed, 0 insertions, 93 deletions
diff --git a/src/entropy/cryptoapi_rng/es_capi.cpp b/src/entropy/cryptoapi_rng/es_capi.cpp
deleted file mode 100644
index a706b4d5c..000000000
--- a/src/entropy/cryptoapi_rng/es_capi.cpp
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
-* Win32 CryptoAPI EntropySource
-* (C) 1999-2009 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/internal/es_capi.h>
-#include <botan/parsing.h>
-#include <windows.h>
-#include <wincrypt.h>
-
-namespace Botan {
-
-namespace {
-
-class CSP_Handle
- {
- public:
- CSP_Handle(u64bit capi_provider)
- {
- valid = false;
- DWORD prov_type = (DWORD)capi_provider;
-
- if(CryptAcquireContext(&handle, 0, 0,
- prov_type, CRYPT_VERIFYCONTEXT))
- valid = true;
- }
-
- ~CSP_Handle()
- {
- if(is_valid())
- CryptReleaseContext(handle, 0);
- }
-
- size_t gen_random(byte out[], size_t n) const
- {
- if(is_valid() && CryptGenRandom(handle, static_cast<DWORD>(n), out))
- return n;
- return 0;
- }
-
- bool is_valid() const { return valid; }
-
- HCRYPTPROV get_handle() const { return handle; }
- private:
- HCRYPTPROV handle;
- bool valid;
- };
-
-}
-
-/*
-* Gather Entropy from Win32 CAPI
-*/
-void Win32_CAPI_EntropySource::poll(Entropy_Accumulator& accum)
- {
- secure_vector<byte>& io_buffer = accum.get_io_buffer(32);
-
- for(size_t i = 0; i != prov_types.size(); ++i)
- {
- CSP_Handle csp(prov_types[i]);
-
- size_t got = csp.gen_random(&io_buffer[0], io_buffer.size());
-
- if(got)
- {
- accum.add(&io_buffer[0], io_buffer.size(), 6);
- break;
- }
- }
- }
-
-/*
-* Win32_Capi_Entropysource Constructor
-*/
-Win32_CAPI_EntropySource::Win32_CAPI_EntropySource(const std::string& provs)
- {
- std::vector<std::string> capi_provs = split_on(provs, ':');
-
- for(size_t i = 0; i != capi_provs.size(); ++i)
- {
- if(capi_provs[i] == "RSA_FULL") prov_types.push_back(PROV_RSA_FULL);
- if(capi_provs[i] == "INTEL_SEC") prov_types.push_back(PROV_INTEL_SEC);
- if(capi_provs[i] == "FORTEZZA") prov_types.push_back(PROV_FORTEZZA);
- if(capi_provs[i] == "RNG") prov_types.push_back(PROV_RNG);
- }
-
- if(prov_types.size() == 0)
- prov_types.push_back(PROV_RSA_FULL);
- }
-
-}