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/**
* WinPR: Windows Portable Runtime
* NCrypt library
*
* Copyright 2021 David Fort <contact@hardening-consulting.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WINPR_LIBWINPR_NCRYPT_NCRYPT_H_
#define WINPR_LIBWINPR_NCRYPT_NCRYPT_H_
#include <winpr/config.h>
#include <winpr/bcrypt.h>
#include <winpr/crypto.h>
#include <winpr/ncrypt.h>
#include <winpr/error.h>
#include <winpr/string.h>
/** @brief type of ncrypt object */
typedef enum
{
WINPR_NCRYPT_INVALID,
WINPR_NCRYPT_PROVIDER,
WINPR_NCRYPT_KEY
} NCryptHandleType;
/** @brief dtor function for ncrypt object */
typedef SECURITY_STATUS (*NCryptReleaseFn)(NCRYPT_HANDLE handle);
/** @brief an enum for the kind of property to retrieve */
typedef enum
{
NCRYPT_PROPERTY_CERTIFICATE,
NCRYPT_PROPERTY_READER,
NCRYPT_PROPERTY_SLOTID,
NCRYPT_PROPERTY_NAME,
NCRYPT_PROPERTY_UNKNOWN
} NCryptKeyGetPropertyEnum;
typedef SECURITY_STATUS (*NCryptGetPropertyFn)(NCRYPT_HANDLE hObject,
NCryptKeyGetPropertyEnum property, PBYTE pbOutput,
DWORD cbOutput, DWORD* pcbResult, DWORD dwFlags);
/** @brief common ncrypt handle items */
typedef struct
{
char magic[6];
NCryptHandleType type;
NCryptGetPropertyFn getPropertyFn;
NCryptReleaseFn releaseFn;
} NCryptBaseHandle;
typedef SECURITY_STATUS (*NCryptEnumKeysFn)(NCRYPT_PROV_HANDLE hProvider, LPCWSTR pszScope,
NCryptKeyName** ppKeyName, PVOID* ppEnumState,
DWORD dwFlags);
typedef SECURITY_STATUS (*NCryptOpenKeyFn)(NCRYPT_PROV_HANDLE hProvider, NCRYPT_KEY_HANDLE* phKey,
LPCWSTR pszKeyName, DWORD dwLegacyKeySpec,
DWORD dwFlags);
/** @brief common ncrypt provider items */
typedef struct
{
NCryptBaseHandle baseHandle;
NCryptEnumKeysFn enumKeysFn;
NCryptOpenKeyFn openKeyFn;
} NCryptBaseProvider;
SECURITY_STATUS checkNCryptHandle(NCRYPT_HANDLE handle, NCryptHandleType matchType);
SECURITY_STATUS winpr_NCryptDefault_dtor(NCRYPT_HANDLE handle);
void* ncrypt_new_handle(NCryptHandleType kind, size_t len, NCryptGetPropertyFn getProp,
NCryptReleaseFn dtor);
#if defined(WITH_PKCS11)
SECURITY_STATUS NCryptOpenP11StorageProviderEx(NCRYPT_PROV_HANDLE* phProvider,
LPCWSTR pszProviderName, DWORD dwFlags,
LPCSTR* modulePaths);
#endif
#endif /* WINPR_LIBWINPR_NCRYPT_NCRYPT_H_ */
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