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Diffstat (limited to 'src/hash/sha1/win32.h')
-rw-r--r-- | src/hash/sha1/win32.h | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/src/hash/sha1/win32.h b/src/hash/sha1/win32.h deleted file mode 100644 index 791d20a42..000000000 --- a/src/hash/sha1/win32.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright (C) the libgit2 contributors. All rights reserved. - * - * This file is part of libgit2, distributed under the GNU GPL v2 with - * a Linking Exception. For full terms see the included COPYING file. - */ - -#ifndef INCLUDE_hash_sha1_win32_h__ -#define INCLUDE_hash_sha1_win32_h__ - -#include "hash/sha1.h" - -#include <wincrypt.h> -#include <strsafe.h> - -enum hash_win32_prov_type { - INVALID = 0, - CRYPTOAPI, - CNG -}; - -/* - * CryptoAPI is available for hashing on Windows XP and newer. - */ - -struct hash_cryptoapi_prov { - HCRYPTPROV handle; -}; - -/* - * CNG (bcrypt.dll) is significantly more performant than CryptoAPI and is - * preferred, however it is only available on Windows 2008 and newer and - * must therefore be dynamically loaded, and we must inline constants that - * would not exist when building in pre-Windows 2008 environments. - */ - -/* Function declarations for CNG */ -typedef NTSTATUS (WINAPI *hash_win32_cng_open_algorithm_provider_fn)( - HANDLE /* BCRYPT_ALG_HANDLE */ *phAlgorithm, - LPCWSTR pszAlgId, - LPCWSTR pszImplementation, - DWORD dwFlags); - -typedef NTSTATUS (WINAPI *hash_win32_cng_get_property_fn)( - HANDLE /* BCRYPT_HANDLE */ hObject, - LPCWSTR pszProperty, - PUCHAR pbOutput, - ULONG cbOutput, - ULONG *pcbResult, - ULONG dwFlags); - -typedef NTSTATUS (WINAPI *hash_win32_cng_create_hash_fn)( - HANDLE /* BCRYPT_ALG_HANDLE */ hAlgorithm, - HANDLE /* BCRYPT_HASH_HANDLE */ *phHash, - PUCHAR pbHashObject, ULONG cbHashObject, - PUCHAR pbSecret, - ULONG cbSecret, - ULONG dwFlags); - -typedef NTSTATUS (WINAPI *hash_win32_cng_finish_hash_fn)( - HANDLE /* BCRYPT_HASH_HANDLE */ hHash, - PUCHAR pbOutput, - ULONG cbOutput, - ULONG dwFlags); - -typedef NTSTATUS (WINAPI *hash_win32_cng_hash_data_fn)( - HANDLE /* BCRYPT_HASH_HANDLE */ hHash, - PUCHAR pbInput, - ULONG cbInput, - ULONG dwFlags); - -typedef NTSTATUS (WINAPI *hash_win32_cng_destroy_hash_fn)( - HANDLE /* BCRYPT_HASH_HANDLE */ hHash); - -typedef NTSTATUS (WINAPI *hash_win32_cng_close_algorithm_provider_fn)( - HANDLE /* BCRYPT_ALG_HANDLE */ hAlgorithm, - ULONG dwFlags); - -struct hash_cng_prov { - /* DLL for CNG */ - HINSTANCE dll; - - /* Function pointers for CNG */ - hash_win32_cng_open_algorithm_provider_fn open_algorithm_provider; - hash_win32_cng_get_property_fn get_property; - hash_win32_cng_create_hash_fn create_hash; - hash_win32_cng_finish_hash_fn finish_hash; - hash_win32_cng_hash_data_fn hash_data; - hash_win32_cng_destroy_hash_fn destroy_hash; - hash_win32_cng_close_algorithm_provider_fn close_algorithm_provider; - - HANDLE /* BCRYPT_ALG_HANDLE */ handle; - DWORD hash_object_size; -}; - -typedef struct { - enum hash_win32_prov_type type; - - union { - struct hash_cryptoapi_prov cryptoapi; - struct hash_cng_prov cng; - } prov; -} git_hash_prov; - -/* Hash contexts */ - -struct hash_cryptoapi_ctx { - bool valid; - HCRYPTHASH hash_handle; -}; - -struct hash_cng_ctx { - bool updated; - HANDLE /* BCRYPT_HASH_HANDLE */ hash_handle; - PBYTE hash_object; -}; - -struct git_hash_sha1_ctx { - enum hash_win32_prov_type type; - git_hash_prov *prov; - - union { - struct hash_cryptoapi_ctx cryptoapi; - struct hash_cng_ctx cng; - } ctx; -}; - -#endif |