1716 lines
56 KiB
C
1716 lines
56 KiB
C
/*
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* Copyright 2009 Henri Verbeet for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#ifdef HAVE_COMMONCRYPTO_COMMONCRYPTOR_H
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#include <AvailabilityMacros.h>
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#include <CommonCrypto/CommonCryptor.h>
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "ntsecapi.h"
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#include "bcrypt.h"
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#include "bcrypt_internal.h"
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#include "wine/debug.h"
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#include "wine/heap.h"
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#include "wine/library.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(bcrypt);
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static HINSTANCE instance;
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NTSTATUS WINAPI BCryptAddContextFunction(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function, ULONG pos)
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{
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FIXME("%08x, %s, %08x, %s, %u: stub\n", table, debugstr_w(context), iface, debugstr_w(function), pos);
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptAddContextFunctionProvider(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function, LPCWSTR provider, ULONG pos)
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{
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FIXME("%08x, %s, %08x, %s, %s, %u: stub\n", table, debugstr_w(context), iface, debugstr_w(function), debugstr_w(provider), pos);
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptRemoveContextFunction(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function)
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{
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FIXME("%08x, %s, %08x, %s: stub\n", table, debugstr_w(context), iface, debugstr_w(function));
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS WINAPI BCryptRemoveContextFunctionProvider(ULONG table, LPCWSTR context, ULONG iface, LPCWSTR function, LPCWSTR provider)
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{
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FIXME("%08x, %s, %08x, %s, %s: stub\n", table, debugstr_w(context), iface, debugstr_w(function), debugstr_w(provider));
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS WINAPI BCryptEnumContextFunctions( ULONG table, const WCHAR *ctx, ULONG iface, ULONG *buflen,
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CRYPT_CONTEXT_FUNCTIONS **buffer )
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{
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FIXME( "%u, %s, %u, %p, %p\n", table, debugstr_w(ctx), iface, buflen, buffer );
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return STATUS_NOT_IMPLEMENTED;
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}
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void WINAPI BCryptFreeBuffer( void *buffer )
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{
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FIXME( "%p\n", buffer );
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}
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NTSTATUS WINAPI BCryptRegisterProvider(LPCWSTR provider, ULONG flags, PCRYPT_PROVIDER_REG reg)
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{
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FIXME("%s, %08x, %p: stub\n", debugstr_w(provider), flags, reg);
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptUnregisterProvider(LPCWSTR provider)
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{
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FIXME("%s: stub\n", debugstr_w(provider));
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return STATUS_NOT_IMPLEMENTED;
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}
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#define MAX_HASH_OUTPUT_BYTES 64
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#define MAX_HASH_BLOCK_BITS 1024
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/* ordered by class, keep in sync with enum alg_id */
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static const struct
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{
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const WCHAR *name;
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ULONG class;
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ULONG object_length;
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ULONG hash_length;
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ULONG block_bits;
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}
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builtin_algorithms[] =
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{
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{ BCRYPT_AES_ALGORITHM, BCRYPT_CIPHER_INTERFACE, 654, 0, 0 },
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{ BCRYPT_SHA256_ALGORITHM, BCRYPT_HASH_INTERFACE, 286, 32, 512 },
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{ BCRYPT_SHA384_ALGORITHM, BCRYPT_HASH_INTERFACE, 382, 48, 1024 },
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{ BCRYPT_SHA512_ALGORITHM, BCRYPT_HASH_INTERFACE, 382, 64, 1024 },
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{ BCRYPT_SHA1_ALGORITHM, BCRYPT_HASH_INTERFACE, 278, 20, 512 },
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{ BCRYPT_MD5_ALGORITHM, BCRYPT_HASH_INTERFACE, 274, 16, 512 },
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{ BCRYPT_MD4_ALGORITHM, BCRYPT_HASH_INTERFACE, 270, 16, 512 },
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{ BCRYPT_MD2_ALGORITHM, BCRYPT_HASH_INTERFACE, 270, 16, 128 },
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{ BCRYPT_RSA_ALGORITHM, BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE, 0, 0, 0 },
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{ BCRYPT_ECDH_P256_ALGORITHM, BCRYPT_SECRET_AGREEMENT_INTERFACE, 0, 0, 0 },
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{ BCRYPT_RSA_SIGN_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE, 0, 0, 0 },
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{ BCRYPT_ECDSA_P256_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE, 0, 0, 0 },
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{ BCRYPT_ECDSA_P384_ALGORITHM, BCRYPT_SIGNATURE_INTERFACE, 0, 0, 0 },
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{ BCRYPT_RNG_ALGORITHM, BCRYPT_RNG_INTERFACE, 0, 0, 0 },
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};
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static BOOL match_operation_type( ULONG type, ULONG class )
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{
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if (!type) return TRUE;
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switch (class)
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{
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case BCRYPT_CIPHER_INTERFACE: return type & BCRYPT_CIPHER_OPERATION;
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case BCRYPT_HASH_INTERFACE: return type & BCRYPT_HASH_OPERATION;
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case BCRYPT_ASYMMETRIC_ENCRYPTION_INTERFACE: return type & BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION;
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case BCRYPT_SECRET_AGREEMENT_INTERFACE: return type & BCRYPT_SECRET_AGREEMENT_OPERATION;
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case BCRYPT_SIGNATURE_INTERFACE: return type & BCRYPT_SIGNATURE_OPERATION;
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case BCRYPT_RNG_INTERFACE: return type & BCRYPT_RNG_OPERATION;
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default: break;
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}
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return FALSE;
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}
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NTSTATUS WINAPI BCryptEnumAlgorithms( ULONG type, ULONG *ret_count, BCRYPT_ALGORITHM_IDENTIFIER **ret_list, ULONG flags )
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{
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static const ULONG supported = BCRYPT_CIPHER_OPERATION |\
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BCRYPT_HASH_OPERATION |\
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BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION |\
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BCRYPT_SECRET_AGREEMENT_OPERATION |\
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BCRYPT_SIGNATURE_OPERATION |\
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BCRYPT_RNG_OPERATION;
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BCRYPT_ALGORITHM_IDENTIFIER *list;
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ULONG i, count = 0;
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TRACE( "%08x, %p, %p, %08x\n", type, ret_count, ret_list, flags );
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if (!ret_count || !ret_list || (type & ~supported)) return STATUS_INVALID_PARAMETER;
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for (i = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
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{
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if (match_operation_type( type, builtin_algorithms[i].class )) count++;
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}
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if (!(list = heap_alloc( count * sizeof(*list) ))) return STATUS_NO_MEMORY;
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for (i = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
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{
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if (!match_operation_type( type, builtin_algorithms[i].class )) continue;
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list[i].pszName = (WCHAR *)builtin_algorithms[i].name;
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list[i].dwClass = builtin_algorithms[i].class;
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list[i].dwFlags = 0;
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}
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*ret_count = count;
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*ret_list = list;
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptGenRandom(BCRYPT_ALG_HANDLE handle, UCHAR *buffer, ULONG count, ULONG flags)
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{
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const DWORD supported_flags = BCRYPT_USE_SYSTEM_PREFERRED_RNG;
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struct algorithm *algorithm = handle;
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TRACE("%p, %p, %u, %08x - semi-stub\n", handle, buffer, count, flags);
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if (!algorithm)
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{
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/* It's valid to call without an algorithm if BCRYPT_USE_SYSTEM_PREFERRED_RNG
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* is set. In this case the preferred system RNG is used.
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*/
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if (!(flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
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return STATUS_INVALID_HANDLE;
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}
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else if (algorithm->hdr.magic != MAGIC_ALG || algorithm->id != ALG_ID_RNG)
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return STATUS_INVALID_HANDLE;
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if (!buffer)
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return STATUS_INVALID_PARAMETER;
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if (flags & ~supported_flags)
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FIXME("unsupported flags %08x\n", flags & ~supported_flags);
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if (algorithm)
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FIXME("ignoring selected algorithm\n");
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/* When zero bytes are requested the function returns success too. */
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if (!count)
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return STATUS_SUCCESS;
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if (algorithm || (flags & BCRYPT_USE_SYSTEM_PREFERRED_RNG))
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{
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if (RtlGenRandom(buffer, count))
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return STATUS_SUCCESS;
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}
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FIXME("called with unsupported parameters, returning error\n");
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS WINAPI BCryptOpenAlgorithmProvider( BCRYPT_ALG_HANDLE *handle, LPCWSTR id, LPCWSTR implementation, DWORD flags )
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{
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const DWORD supported_flags = BCRYPT_ALG_HANDLE_HMAC_FLAG;
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struct algorithm *alg;
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enum alg_id alg_id;
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ULONG i;
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TRACE( "%p, %s, %s, %08x\n", handle, wine_dbgstr_w(id), wine_dbgstr_w(implementation), flags );
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if (!handle || !id) return STATUS_INVALID_PARAMETER;
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if (flags & ~supported_flags)
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{
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FIXME( "unsupported flags %08x\n", flags & ~supported_flags);
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return STATUS_NOT_IMPLEMENTED;
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}
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for (i = 0; i < ARRAY_SIZE( builtin_algorithms ); i++)
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{
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if (!strcmpW( id, builtin_algorithms[i].name))
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{
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alg_id = i;
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break;
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}
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}
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if (i == ARRAY_SIZE( builtin_algorithms ))
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{
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FIXME( "algorithm %s not supported\n", debugstr_w(id) );
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return STATUS_NOT_IMPLEMENTED;
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}
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if (implementation && strcmpW( implementation, MS_PRIMITIVE_PROVIDER ))
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{
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FIXME( "implementation %s not supported\n", debugstr_w(implementation) );
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return STATUS_NOT_IMPLEMENTED;
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}
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if (!(alg = heap_alloc( sizeof(*alg) ))) return STATUS_NO_MEMORY;
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alg->hdr.magic = MAGIC_ALG;
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alg->id = alg_id;
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alg->mode = MODE_ID_CBC;
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alg->hmac = flags & BCRYPT_ALG_HANDLE_HMAC_FLAG;
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*handle = alg;
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptCloseAlgorithmProvider( BCRYPT_ALG_HANDLE handle, DWORD flags )
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{
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struct algorithm *alg = handle;
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TRACE( "%p, %08x\n", handle, flags );
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if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
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alg->hdr.magic = 0;
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heap_free( alg );
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return STATUS_SUCCESS;
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}
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NTSTATUS WINAPI BCryptGetFipsAlgorithmMode(BOOLEAN *enabled)
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{
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FIXME("%p - semi-stub\n", enabled);
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if (!enabled)
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return STATUS_INVALID_PARAMETER;
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*enabled = FALSE;
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return STATUS_SUCCESS;
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}
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struct hash_impl
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{
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union
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{
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MD2_CTX md2;
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MD4_CTX md4;
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MD5_CTX md5;
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SHA_CTX sha1;
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SHA256_CTX sha256;
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SHA512_CTX sha512;
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} u;
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};
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static NTSTATUS hash_init( struct hash_impl *hash, enum alg_id alg_id )
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{
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switch (alg_id)
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{
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case ALG_ID_MD2:
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md2_init( &hash->u.md2 );
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break;
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case ALG_ID_MD4:
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MD4Init( &hash->u.md4 );
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break;
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case ALG_ID_MD5:
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MD5Init( &hash->u.md5 );
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break;
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case ALG_ID_SHA1:
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A_SHAInit( &hash->u.sha1 );
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break;
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case ALG_ID_SHA256:
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sha256_init( &hash->u.sha256 );
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break;
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case ALG_ID_SHA384:
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sha384_init( &hash->u.sha512 );
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break;
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case ALG_ID_SHA512:
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sha512_init( &hash->u.sha512 );
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break;
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default:
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ERR( "unhandled id %u\n", alg_id );
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return STATUS_NOT_IMPLEMENTED;
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS hash_update( struct hash_impl *hash, enum alg_id alg_id,
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UCHAR *input, ULONG size )
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{
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switch (alg_id)
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{
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case ALG_ID_MD2:
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md2_update( &hash->u.md2, input, size );
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break;
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case ALG_ID_MD4:
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MD4Update( &hash->u.md4, input, size );
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break;
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case ALG_ID_MD5:
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MD5Update( &hash->u.md5, input, size );
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break;
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case ALG_ID_SHA1:
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A_SHAUpdate( &hash->u.sha1, input, size );
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break;
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case ALG_ID_SHA256:
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sha256_update( &hash->u.sha256, input, size );
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break;
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case ALG_ID_SHA384:
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sha384_update( &hash->u.sha512, input, size );
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break;
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case ALG_ID_SHA512:
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sha512_update( &hash->u.sha512, input, size );
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break;
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default:
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ERR( "unhandled id %u\n", alg_id );
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return STATUS_NOT_IMPLEMENTED;
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS hash_finish( struct hash_impl *hash, enum alg_id alg_id,
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UCHAR *output, ULONG size )
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{
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switch (alg_id)
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{
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case ALG_ID_MD2:
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md2_finalize( &hash->u.md2, output );
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break;
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case ALG_ID_MD4:
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MD4Final( &hash->u.md4 );
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memcpy( output, hash->u.md4.digest, 16 );
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break;
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case ALG_ID_MD5:
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MD5Final( &hash->u.md5 );
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memcpy( output, hash->u.md5.digest, 16 );
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break;
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case ALG_ID_SHA1:
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A_SHAFinal( &hash->u.sha1, (ULONG *)output );
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break;
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case ALG_ID_SHA256:
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sha256_finalize( &hash->u.sha256, output );
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break;
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case ALG_ID_SHA384:
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sha384_finalize( &hash->u.sha512, output );
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break;
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case ALG_ID_SHA512:
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sha512_finalize( &hash->u.sha512, output );
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break;
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default:
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ERR( "unhandled id %u\n", alg_id );
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return STATUS_NOT_IMPLEMENTED;
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}
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return STATUS_SUCCESS;
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}
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#define HASH_FLAG_HMAC 0x01
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#define HASH_FLAG_REUSABLE 0x02
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struct hash
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{
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struct object hdr;
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enum alg_id alg_id;
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ULONG flags;
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UCHAR *secret;
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ULONG secret_len;
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struct hash_impl outer;
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struct hash_impl inner;
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};
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#define BLOCK_LENGTH_AES 16
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static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
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{
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if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
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{
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if (!builtin_algorithms[id].object_length)
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return STATUS_NOT_SUPPORTED;
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*ret_size = sizeof(ULONG);
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if (size < sizeof(ULONG))
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return STATUS_BUFFER_TOO_SMALL;
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if (buf)
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*(ULONG *)buf = builtin_algorithms[id].object_length;
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return STATUS_SUCCESS;
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}
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if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
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{
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if (!builtin_algorithms[id].hash_length)
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return STATUS_NOT_SUPPORTED;
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*ret_size = sizeof(ULONG);
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if (size < sizeof(ULONG))
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return STATUS_BUFFER_TOO_SMALL;
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if(buf)
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*(ULONG*)buf = builtin_algorithms[id].hash_length;
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return STATUS_SUCCESS;
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}
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if (!strcmpW( prop, BCRYPT_ALGORITHM_NAME ))
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{
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*ret_size = (strlenW(builtin_algorithms[id].name) + 1) * sizeof(WCHAR);
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if (size < *ret_size)
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return STATUS_BUFFER_TOO_SMALL;
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if(buf)
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memcpy(buf, builtin_algorithms[id].name, *ret_size);
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return STATUS_SUCCESS;
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}
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return STATUS_NOT_IMPLEMENTED;
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}
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|
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static NTSTATUS get_aes_property( enum mode_id mode, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
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{
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if (!strcmpW( prop, BCRYPT_BLOCK_LENGTH ))
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{
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*ret_size = sizeof(ULONG);
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if (size < sizeof(ULONG)) return STATUS_BUFFER_TOO_SMALL;
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if (buf) *(ULONG *)buf = BLOCK_LENGTH_AES;
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return STATUS_SUCCESS;
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}
|
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if (!strcmpW( prop, BCRYPT_CHAINING_MODE ))
|
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{
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const WCHAR *str;
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switch (mode)
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{
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case MODE_ID_ECB: str = BCRYPT_CHAIN_MODE_ECB; break;
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case MODE_ID_CBC: str = BCRYPT_CHAIN_MODE_CBC; break;
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|
case MODE_ID_GCM: str = BCRYPT_CHAIN_MODE_GCM; break;
|
|
default: return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
*ret_size = 64;
|
|
if (size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
|
|
memcpy( buf, str, (strlenW(str) + 1) * sizeof(WCHAR) );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
if (!strcmpW( prop, BCRYPT_KEY_LENGTHS ))
|
|
{
|
|
BCRYPT_KEY_LENGTHS_STRUCT *key_lengths = (void *)buf;
|
|
*ret_size = sizeof(*key_lengths);
|
|
if (key_lengths && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
|
|
if (key_lengths)
|
|
{
|
|
key_lengths->dwMinLength = 128;
|
|
key_lengths->dwMaxLength = 256;
|
|
key_lengths->dwIncrement = 64;
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
if (!strcmpW( prop, BCRYPT_AUTH_TAG_LENGTH ))
|
|
{
|
|
BCRYPT_AUTH_TAG_LENGTHS_STRUCT *tag_length = (void *)buf;
|
|
if (mode != MODE_ID_GCM) return STATUS_NOT_SUPPORTED;
|
|
*ret_size = sizeof(*tag_length);
|
|
if (tag_length && size < *ret_size) return STATUS_BUFFER_TOO_SMALL;
|
|
if (tag_length)
|
|
{
|
|
tag_length->dwMinLength = 12;
|
|
tag_length->dwMaxLength = 16;
|
|
tag_length->dwIncrement = 1;
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
FIXME( "unsupported property %s\n", debugstr_w(prop) );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NTSTATUS get_alg_property( const struct algorithm *alg, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = generic_alg_property( alg->id, prop, buf, size, ret_size );
|
|
if (status != STATUS_NOT_IMPLEMENTED)
|
|
return status;
|
|
|
|
switch (alg->id)
|
|
{
|
|
case ALG_ID_AES:
|
|
return get_aes_property( alg->mode, prop, buf, size, ret_size );
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
FIXME( "unsupported property %s\n", debugstr_w(prop) );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS set_alg_property( struct algorithm *alg, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
|
|
{
|
|
switch (alg->id)
|
|
{
|
|
case ALG_ID_AES:
|
|
if (!strcmpW( prop, BCRYPT_CHAINING_MODE ))
|
|
{
|
|
if (!strcmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_ECB ))
|
|
{
|
|
alg->mode = MODE_ID_ECB;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else if (!strcmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_CBC ))
|
|
{
|
|
alg->mode = MODE_ID_CBC;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else if (!strcmpW( (WCHAR *)value, BCRYPT_CHAIN_MODE_GCM ))
|
|
{
|
|
alg->mode = MODE_ID_GCM;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
FIXME( "unsupported mode %s\n", debugstr_w((WCHAR *)value) );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
}
|
|
FIXME( "unsupported aes algorithm property %s\n", debugstr_w(prop) );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
|
|
default:
|
|
FIXME( "unsupported algorithm %u\n", alg->id );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
}
|
|
|
|
static NTSTATUS get_hash_property( const struct hash *hash, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
|
|
{
|
|
NTSTATUS status;
|
|
|
|
status = generic_alg_property( hash->alg_id, prop, buf, size, ret_size );
|
|
if (status == STATUS_NOT_IMPLEMENTED)
|
|
FIXME( "unsupported property %s\n", debugstr_w(prop) );
|
|
return status;
|
|
}
|
|
|
|
static NTSTATUS get_key_property( const struct key *key, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
|
|
{
|
|
switch (key->alg_id)
|
|
{
|
|
case ALG_ID_AES:
|
|
if (!strcmpW( prop, BCRYPT_AUTH_TAG_LENGTH )) return STATUS_NOT_SUPPORTED;
|
|
return get_aes_property( key->u.s.mode, prop, buf, size, ret_size );
|
|
|
|
default:
|
|
FIXME( "unsupported algorithm %u\n", key->alg_id );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptGetProperty( BCRYPT_HANDLE handle, LPCWSTR prop, UCHAR *buffer, ULONG count, ULONG *res, ULONG flags )
|
|
{
|
|
struct object *object = handle;
|
|
|
|
TRACE( "%p, %s, %p, %u, %p, %08x\n", handle, wine_dbgstr_w(prop), buffer, count, res, flags );
|
|
|
|
if (!object) return STATUS_INVALID_HANDLE;
|
|
if (!prop || !res) return STATUS_INVALID_PARAMETER;
|
|
|
|
switch (object->magic)
|
|
{
|
|
case MAGIC_ALG:
|
|
{
|
|
const struct algorithm *alg = (const struct algorithm *)object;
|
|
return get_alg_property( alg, prop, buffer, count, res );
|
|
}
|
|
case MAGIC_KEY:
|
|
{
|
|
const struct key *key = (const struct key *)object;
|
|
return get_key_property( key, prop, buffer, count, res );
|
|
}
|
|
case MAGIC_HASH:
|
|
{
|
|
const struct hash *hash = (const struct hash *)object;
|
|
return get_hash_property( hash, prop, buffer, count, res );
|
|
}
|
|
default:
|
|
WARN( "unknown magic %08x\n", object->magic );
|
|
return STATUS_INVALID_HANDLE;
|
|
}
|
|
}
|
|
|
|
static NTSTATUS prepare_hash( struct hash *hash )
|
|
{
|
|
UCHAR buffer[MAX_HASH_BLOCK_BITS / 8] = {0};
|
|
int block_bytes, i;
|
|
NTSTATUS status;
|
|
|
|
/* initialize hash */
|
|
if ((status = hash_init( &hash->inner, hash->alg_id ))) return status;
|
|
if (!(hash->flags & HASH_FLAG_HMAC)) return STATUS_SUCCESS;
|
|
|
|
/* initialize hmac */
|
|
if ((status = hash_init( &hash->outer, hash->alg_id ))) return status;
|
|
block_bytes = builtin_algorithms[hash->alg_id].block_bits / 8;
|
|
if (hash->secret_len > block_bytes)
|
|
{
|
|
struct hash_impl temp;
|
|
if ((status = hash_init( &temp, hash->alg_id ))) return status;
|
|
if ((status = hash_update( &temp, hash->alg_id, hash->secret, hash->secret_len ))) return status;
|
|
if ((status = hash_finish( &temp, hash->alg_id, buffer,
|
|
builtin_algorithms[hash->alg_id].hash_length ))) return status;
|
|
}
|
|
else memcpy( buffer, hash->secret, hash->secret_len );
|
|
|
|
for (i = 0; i < block_bytes; i++) buffer[i] ^= 0x5c;
|
|
if ((status = hash_update( &hash->outer, hash->alg_id, buffer, block_bytes ))) return status;
|
|
for (i = 0; i < block_bytes; i++) buffer[i] ^= (0x5c ^ 0x36);
|
|
return hash_update( &hash->inner, hash->alg_id, buffer, block_bytes );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptCreateHash( BCRYPT_ALG_HANDLE algorithm, BCRYPT_HASH_HANDLE *handle, UCHAR *object, ULONG objectlen,
|
|
UCHAR *secret, ULONG secretlen, ULONG flags )
|
|
{
|
|
struct algorithm *alg = algorithm;
|
|
struct hash *hash;
|
|
NTSTATUS status;
|
|
|
|
TRACE( "%p, %p, %p, %u, %p, %u, %08x - stub\n", algorithm, handle, object, objectlen,
|
|
secret, secretlen, flags );
|
|
if (flags & ~BCRYPT_HASH_REUSABLE_FLAG)
|
|
{
|
|
FIXME( "unimplemented flags %08x\n", flags );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
|
|
if (object) FIXME( "ignoring object buffer\n" );
|
|
|
|
if (!(hash = heap_alloc_zero( sizeof(*hash) ))) return STATUS_NO_MEMORY;
|
|
hash->hdr.magic = MAGIC_HASH;
|
|
hash->alg_id = alg->id;
|
|
if (alg->hmac) hash->flags = HASH_FLAG_HMAC;
|
|
if (flags & BCRYPT_HASH_REUSABLE_FLAG) hash->flags |= HASH_FLAG_REUSABLE;
|
|
|
|
if (secretlen && !(hash->secret = heap_alloc( secretlen )))
|
|
{
|
|
heap_free( hash );
|
|
return STATUS_NO_MEMORY;
|
|
}
|
|
memcpy( hash->secret, secret, secretlen );
|
|
hash->secret_len = secretlen;
|
|
|
|
if ((status = prepare_hash( hash )) != STATUS_SUCCESS)
|
|
{
|
|
heap_free( hash->secret );
|
|
heap_free( hash );
|
|
return status;
|
|
}
|
|
|
|
*handle = hash;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptDuplicateHash( BCRYPT_HASH_HANDLE handle, BCRYPT_HASH_HANDLE *handle_copy,
|
|
UCHAR *object, ULONG objectlen, ULONG flags )
|
|
{
|
|
struct hash *hash_orig = handle;
|
|
struct hash *hash_copy;
|
|
|
|
TRACE( "%p, %p, %p, %u, %u\n", handle, handle_copy, object, objectlen, flags );
|
|
|
|
if (!hash_orig || hash_orig->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
|
|
if (!handle_copy) return STATUS_INVALID_PARAMETER;
|
|
if (object) FIXME( "ignoring object buffer\n" );
|
|
|
|
if (!(hash_copy = heap_alloc( sizeof(*hash_copy) )))
|
|
return STATUS_NO_MEMORY;
|
|
|
|
memcpy( hash_copy, hash_orig, sizeof(*hash_orig) );
|
|
if (hash_orig->secret && !(hash_copy->secret = heap_alloc( hash_orig->secret_len )))
|
|
{
|
|
heap_free( hash_copy );
|
|
return STATUS_NO_MEMORY;
|
|
}
|
|
memcpy( hash_copy->secret, hash_orig->secret, hash_orig->secret_len );
|
|
|
|
*handle_copy = hash_copy;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptDestroyHash( BCRYPT_HASH_HANDLE handle )
|
|
{
|
|
struct hash *hash = handle;
|
|
|
|
TRACE( "%p\n", handle );
|
|
|
|
if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_PARAMETER;
|
|
hash->hdr.magic = 0;
|
|
heap_free( hash->secret );
|
|
heap_free( hash );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptHashData( BCRYPT_HASH_HANDLE handle, UCHAR *input, ULONG size, ULONG flags )
|
|
{
|
|
struct hash *hash = handle;
|
|
|
|
TRACE( "%p, %p, %u, %08x\n", handle, input, size, flags );
|
|
|
|
if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
|
|
if (!input) return STATUS_SUCCESS;
|
|
|
|
return hash_update( &hash->inner, hash->alg_id, input, size );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptFinishHash( BCRYPT_HASH_HANDLE handle, UCHAR *output, ULONG size, ULONG flags )
|
|
{
|
|
UCHAR buffer[MAX_HASH_OUTPUT_BYTES];
|
|
struct hash *hash = handle;
|
|
NTSTATUS status;
|
|
int hash_length;
|
|
|
|
TRACE( "%p, %p, %u, %08x\n", handle, output, size, flags );
|
|
|
|
if (!hash || hash->hdr.magic != MAGIC_HASH) return STATUS_INVALID_HANDLE;
|
|
if (!output) return STATUS_INVALID_PARAMETER;
|
|
|
|
if (!(hash->flags & HASH_FLAG_HMAC))
|
|
{
|
|
if ((status = hash_finish( &hash->inner, hash->alg_id, output, size ))) return status;
|
|
if (hash->flags & HASH_FLAG_REUSABLE) return prepare_hash( hash );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
hash_length = builtin_algorithms[hash->alg_id].hash_length;
|
|
if ((status = hash_finish( &hash->inner, hash->alg_id, buffer, hash_length ))) return status;
|
|
if ((status = hash_update( &hash->outer, hash->alg_id, buffer, hash_length ))) return status;
|
|
if ((status = hash_finish( &hash->outer, hash->alg_id, output, size ))) return status;
|
|
if (hash->flags & HASH_FLAG_REUSABLE) return prepare_hash( hash );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptHash( BCRYPT_ALG_HANDLE algorithm, UCHAR *secret, ULONG secretlen,
|
|
UCHAR *input, ULONG inputlen, UCHAR *output, ULONG outputlen )
|
|
{
|
|
NTSTATUS status;
|
|
BCRYPT_HASH_HANDLE handle;
|
|
|
|
TRACE( "%p, %p, %u, %p, %u, %p, %u\n", algorithm, secret, secretlen,
|
|
input, inputlen, output, outputlen );
|
|
|
|
status = BCryptCreateHash( algorithm, &handle, NULL, 0, secret, secretlen, 0);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
return status;
|
|
}
|
|
|
|
status = BCryptHashData( handle, input, inputlen, 0 );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
BCryptDestroyHash( handle );
|
|
return status;
|
|
}
|
|
|
|
status = BCryptFinishHash( handle, output, outputlen, 0 );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
BCryptDestroyHash( handle );
|
|
return status;
|
|
}
|
|
|
|
return BCryptDestroyHash( handle );
|
|
}
|
|
|
|
#if defined(HAVE_GNUTLS_CIPHER_INIT) || defined(HAVE_COMMONCRYPTO_COMMONCRYPTOR_H) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
|
|
BOOL key_is_symmetric( struct key *key )
|
|
{
|
|
return builtin_algorithms[key->alg_id].class == BCRYPT_CIPHER_INTERFACE;
|
|
}
|
|
|
|
static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
|
|
ULONG object_len, UCHAR *input, ULONG input_len )
|
|
{
|
|
ULONG len;
|
|
|
|
if (!strcmpW( type, BCRYPT_KEY_DATA_BLOB ))
|
|
{
|
|
BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)input;
|
|
|
|
if (input_len < sizeof(BCRYPT_KEY_DATA_BLOB_HEADER)) return STATUS_BUFFER_TOO_SMALL;
|
|
if (header->dwMagic != BCRYPT_KEY_DATA_BLOB_MAGIC) return STATUS_INVALID_PARAMETER;
|
|
if (header->dwVersion != BCRYPT_KEY_DATA_BLOB_VERSION1)
|
|
{
|
|
FIXME( "unknown key data blob version %u\n", header->dwVersion );
|
|
return STATUS_INVALID_PARAMETER;
|
|
}
|
|
len = header->cbKeyData;
|
|
if (len + sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) > input_len) return STATUS_INVALID_PARAMETER;
|
|
|
|
return BCryptGenerateSymmetricKey( algorithm, key, object, object_len, (UCHAR *)&header[1], len, 0 );
|
|
}
|
|
else if (!strcmpW( type, BCRYPT_OPAQUE_KEY_BLOB ))
|
|
{
|
|
if (input_len < sizeof(len)) return STATUS_BUFFER_TOO_SMALL;
|
|
len = *(ULONG *)input;
|
|
if (len + sizeof(len) > input_len) return STATUS_INVALID_PARAMETER;
|
|
|
|
return BCryptGenerateSymmetricKey( algorithm, key, object, object_len, input + sizeof(len), len, 0 );
|
|
}
|
|
|
|
FIXME( "unsupported key type %s\n", debugstr_w(type) );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
|
|
{
|
|
if (!strcmpW( type, BCRYPT_KEY_DATA_BLOB ))
|
|
{
|
|
BCRYPT_KEY_DATA_BLOB_HEADER *header = (BCRYPT_KEY_DATA_BLOB_HEADER *)output;
|
|
ULONG req_size = sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + key->u.s.secret_len;
|
|
|
|
*size = req_size;
|
|
if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
|
|
|
|
header->dwMagic = BCRYPT_KEY_DATA_BLOB_MAGIC;
|
|
header->dwVersion = BCRYPT_KEY_DATA_BLOB_VERSION1;
|
|
header->cbKeyData = key->u.s.secret_len;
|
|
memcpy( &header[1], key->u.s.secret, key->u.s.secret_len );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else if (!strcmpW( type, BCRYPT_OPAQUE_KEY_BLOB ))
|
|
{
|
|
ULONG len, req_size = sizeof(len) + key->u.s.secret_len;
|
|
|
|
*size = req_size;
|
|
if (output_len < req_size) return STATUS_BUFFER_TOO_SMALL;
|
|
|
|
*(ULONG *)output = key->u.s.secret_len;
|
|
memcpy( output + sizeof(len), key->u.s.secret, key->u.s.secret_len );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else if (!strcmpW( type, BCRYPT_RSAPUBLIC_BLOB ))
|
|
{
|
|
*size = key->u.a.pubkey_len;
|
|
if (output_len < key->u.a.pubkey_len) return STATUS_SUCCESS;
|
|
|
|
memcpy( output, key->u.a.pubkey, key->u.a.pubkey_len );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else if (!strcmpW( type, BCRYPT_ECCPUBLIC_BLOB ))
|
|
{
|
|
*size = key->u.a.pubkey_len;
|
|
if (output_len < key->u.a.pubkey_len) return STATUS_SUCCESS;
|
|
|
|
memcpy( output, key->u.a.pubkey, key->u.a.pubkey_len );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else if (!strcmpW( type, BCRYPT_ECCPRIVATE_BLOB ))
|
|
{
|
|
return key_export_ecc( key, output, output_len, size );
|
|
}
|
|
|
|
FIXME( "unsupported key type %s\n", debugstr_w(type) );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
|
|
{
|
|
UCHAR *buffer;
|
|
|
|
memset( key_copy, 0, sizeof(*key_copy) );
|
|
key_copy->hdr = key_orig->hdr;
|
|
key_copy->alg_id = key_orig->alg_id;
|
|
|
|
if (key_is_symmetric( key_orig ))
|
|
{
|
|
if (!(buffer = heap_alloc( key_orig->u.s.secret_len ))) return STATUS_NO_MEMORY;
|
|
memcpy( buffer, key_orig->u.s.secret, key_orig->u.s.secret_len );
|
|
|
|
key_copy->u.s.mode = key_orig->u.s.mode;
|
|
key_copy->u.s.block_size = key_orig->u.s.block_size;
|
|
key_copy->u.s.secret = buffer;
|
|
key_copy->u.s.secret_len = key_orig->u.s.secret_len;
|
|
}
|
|
else
|
|
{
|
|
if (!(buffer = heap_alloc( key_orig->u.a.pubkey_len ))) return STATUS_NO_MEMORY;
|
|
memcpy( buffer, key_orig->u.a.pubkey, key_orig->u.a.pubkey_len );
|
|
|
|
key_copy->u.a.pubkey = buffer;
|
|
key_copy->u.a.pubkey_len = key_orig->u.a.pubkey_len;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS key_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
|
|
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
|
|
{
|
|
ULONG bytes_left = input_len;
|
|
UCHAR *buf, *src, *dst;
|
|
NTSTATUS status;
|
|
|
|
if (key->u.s.mode == MODE_ID_GCM)
|
|
{
|
|
BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
|
|
|
|
if (!auth_info) return STATUS_INVALID_PARAMETER;
|
|
if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
|
|
if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
|
|
if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
|
|
if (auth_info->dwFlags & BCRYPT_AUTH_MODE_CHAIN_CALLS_FLAG)
|
|
FIXME( "call chaining not implemented\n" );
|
|
|
|
if ((status = key_symmetric_set_params( key, auth_info->pbNonce, auth_info->cbNonce )))
|
|
return status;
|
|
|
|
*ret_len = input_len;
|
|
if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
|
|
if (input && !output) return STATUS_SUCCESS;
|
|
if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
|
|
|
|
if ((status = key_symmetric_set_auth_data( key, auth_info->pbAuthData, auth_info->cbAuthData )))
|
|
return status;
|
|
if ((status = key_symmetric_encrypt( key, input, input_len, output, output_len ))) return status;
|
|
|
|
return key_symmetric_get_tag( key, auth_info->pbTag, auth_info->cbTag );
|
|
}
|
|
|
|
if ((status = key_symmetric_set_params( key, iv, iv_len ))) return status;
|
|
*ret_len = input_len;
|
|
|
|
if (flags & BCRYPT_BLOCK_PADDING)
|
|
*ret_len = (input_len + key->u.s.block_size) & ~(key->u.s.block_size - 1);
|
|
else if (input_len & (key->u.s.block_size - 1))
|
|
return STATUS_INVALID_BUFFER_SIZE;
|
|
|
|
if (!output) return STATUS_SUCCESS;
|
|
if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
|
|
if (key->u.s.mode == MODE_ID_ECB && iv) return STATUS_INVALID_PARAMETER;
|
|
|
|
src = input;
|
|
dst = output;
|
|
while (bytes_left >= key->u.s.block_size)
|
|
{
|
|
if ((status = key_symmetric_encrypt( key, src, key->u.s.block_size, dst, key->u.s.block_size )))
|
|
return status;
|
|
if (key->u.s.mode == MODE_ID_ECB && (status = key_symmetric_set_params( key, NULL, 0 ))) return status;
|
|
bytes_left -= key->u.s.block_size;
|
|
src += key->u.s.block_size;
|
|
dst += key->u.s.block_size;
|
|
}
|
|
|
|
if (flags & BCRYPT_BLOCK_PADDING)
|
|
{
|
|
if (!(buf = heap_alloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
|
|
memcpy( buf, src, bytes_left );
|
|
memset( buf + bytes_left, key->u.s.block_size - bytes_left, key->u.s.block_size - bytes_left );
|
|
status = key_symmetric_encrypt( key, buf, key->u.s.block_size, dst, key->u.s.block_size );
|
|
heap_free( buf );
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static NTSTATUS key_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
|
|
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
|
|
{
|
|
ULONG bytes_left = input_len;
|
|
UCHAR *buf, *src, *dst;
|
|
NTSTATUS status;
|
|
|
|
if (key->u.s.mode == MODE_ID_GCM)
|
|
{
|
|
BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO *auth_info = padding;
|
|
UCHAR tag[16];
|
|
|
|
if (!auth_info) return STATUS_INVALID_PARAMETER;
|
|
if (!auth_info->pbNonce) return STATUS_INVALID_PARAMETER;
|
|
if (!auth_info->pbTag) return STATUS_INVALID_PARAMETER;
|
|
if (auth_info->cbTag < 12 || auth_info->cbTag > 16) return STATUS_INVALID_PARAMETER;
|
|
|
|
if ((status = key_symmetric_set_params( key, auth_info->pbNonce, auth_info->cbNonce )))
|
|
return status;
|
|
|
|
*ret_len = input_len;
|
|
if (flags & BCRYPT_BLOCK_PADDING) return STATUS_INVALID_PARAMETER;
|
|
if (!output) return STATUS_SUCCESS;
|
|
if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
|
|
|
|
if ((status = key_symmetric_set_auth_data( key, auth_info->pbAuthData, auth_info->cbAuthData )))
|
|
return status;
|
|
if ((status = key_symmetric_decrypt( key, input, input_len, output, output_len ))) return status;
|
|
|
|
if ((status = key_symmetric_get_tag( key, tag, sizeof(tag) ))) return status;
|
|
if (memcmp( tag, auth_info->pbTag, auth_info->cbTag )) return STATUS_AUTH_TAG_MISMATCH;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
if ((status = key_symmetric_set_params( key, iv, iv_len ))) return status;
|
|
|
|
*ret_len = input_len;
|
|
|
|
if (input_len & (key->u.s.block_size - 1)) return STATUS_INVALID_BUFFER_SIZE;
|
|
if (!output) return STATUS_SUCCESS;
|
|
if (flags & BCRYPT_BLOCK_PADDING)
|
|
{
|
|
if (output_len + key->u.s.block_size < *ret_len) return STATUS_BUFFER_TOO_SMALL;
|
|
if (input_len < key->u.s.block_size) return STATUS_BUFFER_TOO_SMALL;
|
|
bytes_left -= key->u.s.block_size;
|
|
}
|
|
else if (output_len < *ret_len) return STATUS_BUFFER_TOO_SMALL;
|
|
|
|
if (key->u.s.mode == MODE_ID_ECB && iv) return STATUS_INVALID_PARAMETER;
|
|
|
|
src = input;
|
|
dst = output;
|
|
while (bytes_left >= key->u.s.block_size)
|
|
{
|
|
if ((status = key_symmetric_decrypt( key, src, key->u.s.block_size, dst, key->u.s.block_size )))
|
|
return status;
|
|
if (key->u.s.mode == MODE_ID_ECB && (status = key_symmetric_set_params( key, NULL, 0 ))) return status;
|
|
bytes_left -= key->u.s.block_size;
|
|
src += key->u.s.block_size;
|
|
dst += key->u.s.block_size;
|
|
}
|
|
|
|
if (flags & BCRYPT_BLOCK_PADDING)
|
|
{
|
|
if (!(buf = heap_alloc( key->u.s.block_size ))) return STATUS_NO_MEMORY;
|
|
status = key_symmetric_decrypt( key, src, key->u.s.block_size, buf, key->u.s.block_size );
|
|
if (!status && buf[ key->u.s.block_size - 1 ] <= key->u.s.block_size)
|
|
{
|
|
*ret_len -= buf[ key->u.s.block_size - 1 ];
|
|
if (output_len < *ret_len) status = STATUS_BUFFER_TOO_SMALL;
|
|
else memcpy( dst, buf, key->u.s.block_size - buf[ key->u.s.block_size - 1 ] );
|
|
}
|
|
else status = STATUS_UNSUCCESSFUL; /* FIXME: invalid padding */
|
|
heap_free( buf );
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
|
|
ULONG input_len )
|
|
{
|
|
struct key *key;
|
|
NTSTATUS status;
|
|
|
|
if (!strcmpW( type, BCRYPT_ECCPUBLIC_BLOB ))
|
|
{
|
|
BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
|
|
DWORD key_size, magic, size;
|
|
|
|
if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
|
|
|
|
switch (alg->id)
|
|
{
|
|
case ALG_ID_ECDH_P256:
|
|
key_size = 32;
|
|
magic = BCRYPT_ECDH_PUBLIC_P256_MAGIC;
|
|
break;
|
|
|
|
case ALG_ID_ECDSA_P256:
|
|
key_size = 32;
|
|
magic = BCRYPT_ECDSA_PUBLIC_P256_MAGIC;
|
|
break;
|
|
|
|
case ALG_ID_ECDSA_P384:
|
|
key_size = 48;
|
|
magic = BCRYPT_ECDSA_PUBLIC_P384_MAGIC;
|
|
break;
|
|
|
|
default:
|
|
FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
|
|
return STATUS_NOT_SUPPORTED;
|
|
}
|
|
|
|
if (ecc_blob->dwMagic != magic) return STATUS_NOT_SUPPORTED;
|
|
if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 2)
|
|
return STATUS_INVALID_PARAMETER;
|
|
|
|
if (!(key = heap_alloc_zero( sizeof(*key) ))) return STATUS_NO_MEMORY;
|
|
key->hdr.magic = MAGIC_KEY;
|
|
|
|
size = sizeof(*ecc_blob) + ecc_blob->cbKey * 2;
|
|
if ((status = key_asymmetric_init( key, alg, key_size * 8, (BYTE *)ecc_blob, size )))
|
|
{
|
|
heap_free( key );
|
|
return status;
|
|
}
|
|
|
|
*ret_key = key;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else if (!strcmpW( type, BCRYPT_ECCPRIVATE_BLOB ))
|
|
{
|
|
BCRYPT_ECCKEY_BLOB *ecc_blob = (BCRYPT_ECCKEY_BLOB *)input;
|
|
DWORD key_size, magic;
|
|
|
|
if (input_len < sizeof(*ecc_blob)) return STATUS_INVALID_PARAMETER;
|
|
|
|
switch (alg->id)
|
|
{
|
|
case ALG_ID_ECDH_P256:
|
|
key_size = 32;
|
|
magic = BCRYPT_ECDH_PRIVATE_P256_MAGIC;
|
|
break;
|
|
|
|
default:
|
|
FIXME( "algorithm %u does not yet support importing blob of type %s\n", alg->id, debugstr_w(type) );
|
|
return STATUS_NOT_SUPPORTED;
|
|
}
|
|
|
|
if (ecc_blob->dwMagic != magic) return STATUS_NOT_SUPPORTED;
|
|
if (ecc_blob->cbKey != key_size || input_len < sizeof(*ecc_blob) + ecc_blob->cbKey * 3)
|
|
return STATUS_INVALID_PARAMETER;
|
|
|
|
if (!(key = heap_alloc_zero( sizeof(*key) ))) return STATUS_NO_MEMORY;
|
|
key->hdr.magic = MAGIC_KEY;
|
|
|
|
if ((status = key_asymmetric_init( key, alg, key_size * 8, NULL, 0 )))
|
|
{
|
|
heap_free( key );
|
|
return status;
|
|
}
|
|
if ((status = key_import_ecc( key, input, input_len )))
|
|
{
|
|
heap_free( key );
|
|
return status;
|
|
}
|
|
|
|
*ret_key = key;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else if (!strcmpW( type, BCRYPT_RSAPUBLIC_BLOB ))
|
|
{
|
|
BCRYPT_RSAKEY_BLOB *rsa_blob = (BCRYPT_RSAKEY_BLOB *)input;
|
|
ULONG size;
|
|
|
|
if (input_len < sizeof(*rsa_blob)) return STATUS_INVALID_PARAMETER;
|
|
if ((alg->id != ALG_ID_RSA && alg->id != ALG_ID_RSA_SIGN) || rsa_blob->Magic != BCRYPT_RSAPUBLIC_MAGIC)
|
|
return STATUS_NOT_SUPPORTED;
|
|
|
|
if (!(key = heap_alloc_zero( sizeof(*key) ))) return STATUS_NO_MEMORY;
|
|
key->hdr.magic = MAGIC_KEY;
|
|
|
|
size = sizeof(*rsa_blob) + rsa_blob->cbPublicExp + rsa_blob->cbModulus;
|
|
if ((status = key_asymmetric_init( key, alg, rsa_blob->BitLength, (BYTE *)rsa_blob, size )))
|
|
{
|
|
heap_free( key );
|
|
return status;
|
|
}
|
|
|
|
*ret_key = key;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
FIXME( "unsupported key type %s\n", debugstr_w(type) );
|
|
return STATUS_NOT_SUPPORTED;
|
|
}
|
|
#else
|
|
NTSTATUS key_symmetric_init( struct key *key, struct algorithm *alg, const UCHAR *secret, ULONG secret_len )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
BOOL key_is_symmetric( struct key *key )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return FALSE;
|
|
}
|
|
|
|
NTSTATUS key_set_property( struct key *key, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS key_duplicate( struct key *key_orig, struct key *key_copy )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NTSTATUS key_asymmetric_init( struct key *key, struct algorithm *alg, ULONG bitlen, const UCHAR *pubkey,
|
|
ULONG pubkey_len )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NTSTATUS key_asymmetric_generate( struct key *key )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NTSTATUS key_asymmetric_sign( struct key *key, void *padding, UCHAR *input, ULONG input_len, UCHAR *output,
|
|
ULONG output_len, ULONG *ret_len, ULONG flags )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NTSTATUS key_asymmetric_verify( struct key *key, void *padding, UCHAR *hash, ULONG hash_len, UCHAR *signature,
|
|
ULONG signature_len, DWORD flags )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS key_import( BCRYPT_ALG_HANDLE algorithm, const WCHAR *type, BCRYPT_KEY_HANDLE *key, UCHAR *object,
|
|
ULONG object_len, UCHAR *input, ULONG input_len )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS key_export( struct key *key, const WCHAR *type, UCHAR *output, ULONG output_len, ULONG *size )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NTSTATUS key_destroy( struct key *key )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS key_encrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
|
|
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS key_decrypt( struct key *key, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
|
|
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
|
|
ULONG input_len )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NTSTATUS key_export_ecc( struct key *key, UCHAR *output, ULONG len, ULONG *ret_len )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NTSTATUS key_import_ecc( struct key *key, UCHAR *input, ULONG len )
|
|
{
|
|
ERR( "support for keys not available at build time\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
#endif
|
|
|
|
NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE *handle,
|
|
UCHAR *object, ULONG object_len, UCHAR *secret, ULONG secret_len,
|
|
ULONG flags )
|
|
{
|
|
struct algorithm *alg = algorithm;
|
|
struct key *key;
|
|
NTSTATUS status;
|
|
|
|
TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", algorithm, handle, object, object_len, secret, secret_len, flags );
|
|
|
|
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
|
|
if (object) FIXME( "ignoring object buffer\n" );
|
|
|
|
if (!(key = heap_alloc( sizeof(*key) ))) return STATUS_NO_MEMORY;
|
|
key->hdr.magic = MAGIC_KEY;
|
|
|
|
if ((status = key_symmetric_init( key, alg, secret, secret_len )))
|
|
{
|
|
heap_free( key );
|
|
return status;
|
|
}
|
|
|
|
*handle = key;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptGenerateKeyPair( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE *handle, ULONG key_len,
|
|
ULONG flags )
|
|
{
|
|
struct algorithm *alg = algorithm;
|
|
struct key *key;
|
|
NTSTATUS status;
|
|
|
|
TRACE( "%p, %p, %u, %08x\n", algorithm, handle, key_len, flags );
|
|
|
|
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
|
|
if (!handle) return STATUS_INVALID_PARAMETER;
|
|
|
|
if (!(key = heap_alloc_zero( sizeof(*key) ))) return STATUS_NO_MEMORY;
|
|
key->hdr.magic = MAGIC_KEY;
|
|
|
|
if ((status = key_asymmetric_init( key, alg, key_len, NULL, 0 )))
|
|
{
|
|
heap_free( key );
|
|
return status;
|
|
}
|
|
|
|
*handle = key;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptFinalizeKeyPair( BCRYPT_KEY_HANDLE handle, ULONG flags )
|
|
{
|
|
struct key *key = handle;
|
|
|
|
TRACE( "%p, %08x\n", key, flags );
|
|
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
|
|
|
|
return key_asymmetric_generate( key );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptImportKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE decrypt_key, LPCWSTR type,
|
|
BCRYPT_KEY_HANDLE *key, PUCHAR object, ULONG object_len, PUCHAR input,
|
|
ULONG input_len, ULONG flags )
|
|
{
|
|
struct algorithm *alg = algorithm;
|
|
|
|
TRACE("%p, %p, %s, %p, %p, %u, %p, %u, %u\n", algorithm, decrypt_key, debugstr_w(type), key, object,
|
|
object_len, input, input_len, flags);
|
|
|
|
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
|
|
if (!key || !type || !input) return STATUS_INVALID_PARAMETER;
|
|
|
|
if (decrypt_key)
|
|
{
|
|
FIXME( "decryption of key not yet supported\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
return key_import( algorithm, type, key, object, object_len, input, input_len );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptExportKey( BCRYPT_KEY_HANDLE export_key, BCRYPT_KEY_HANDLE encrypt_key, LPCWSTR type,
|
|
PUCHAR output, ULONG output_len, ULONG *size, ULONG flags )
|
|
{
|
|
struct key *key = export_key;
|
|
|
|
TRACE("%p, %p, %s, %p, %u, %p, %u\n", key, encrypt_key, debugstr_w(type), output, output_len, size, flags);
|
|
|
|
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
|
|
if (!type || !size) return STATUS_INVALID_PARAMETER;
|
|
|
|
if (encrypt_key)
|
|
{
|
|
FIXME( "encryption of key not yet supported\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
return key_export( key, type, output, output_len, size );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptDuplicateKey( BCRYPT_KEY_HANDLE handle, BCRYPT_KEY_HANDLE *handle_copy,
|
|
UCHAR *object, ULONG object_len, ULONG flags )
|
|
{
|
|
struct key *key_orig = handle;
|
|
struct key *key_copy;
|
|
NTSTATUS status;
|
|
|
|
TRACE( "%p, %p, %p, %u, %08x\n", handle, handle_copy, object, object_len, flags );
|
|
if (object) FIXME( "ignoring object buffer\n" );
|
|
|
|
if (!key_orig || key_orig->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
|
|
if (!handle_copy) return STATUS_INVALID_PARAMETER;
|
|
if (!(key_copy = heap_alloc( sizeof(*key_copy) ))) return STATUS_NO_MEMORY;
|
|
|
|
if ((status = key_duplicate( key_orig, key_copy )))
|
|
{
|
|
heap_free( key_copy );
|
|
return status;
|
|
}
|
|
|
|
*handle_copy = key_copy;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptImportKeyPair( BCRYPT_ALG_HANDLE algorithm, BCRYPT_KEY_HANDLE decrypt_key, const WCHAR *type,
|
|
BCRYPT_KEY_HANDLE *ret_key, UCHAR *input, ULONG input_len, ULONG flags )
|
|
{
|
|
struct algorithm *alg = algorithm;
|
|
|
|
TRACE( "%p, %p, %s, %p, %p, %u, %08x\n", algorithm, decrypt_key, debugstr_w(type), ret_key, input,
|
|
input_len, flags );
|
|
|
|
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
|
|
if (!ret_key || !type || !input) return STATUS_INVALID_PARAMETER;
|
|
if (decrypt_key)
|
|
{
|
|
FIXME( "decryption of key not yet supported\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
return key_import_pair( alg, type, ret_key, input, input_len );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptSignHash( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *input, ULONG input_len,
|
|
UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
|
|
{
|
|
struct key *key = handle;
|
|
|
|
TRACE( "%p, %p, %p, %u, %p, %u, %p, %08x\n", handle, padding, input, input_len, output, output_len,
|
|
ret_len, flags );
|
|
|
|
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
|
|
if (key_is_symmetric( key ))
|
|
{
|
|
FIXME( "signing with symmetric keys not yet supported\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
return key_asymmetric_sign( key, padding, input, input_len, output, output_len, ret_len, flags );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptVerifySignature( BCRYPT_KEY_HANDLE handle, void *padding, UCHAR *hash, ULONG hash_len,
|
|
UCHAR *signature, ULONG signature_len, ULONG flags )
|
|
{
|
|
struct key *key = handle;
|
|
|
|
TRACE( "%p, %p, %p, %u, %p, %u, %08x\n", handle, padding, hash, hash_len, signature, signature_len, flags );
|
|
|
|
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
|
|
if (!hash || !hash_len || !signature || !signature_len) return STATUS_INVALID_PARAMETER;
|
|
if (key_is_symmetric( key )) return STATUS_NOT_SUPPORTED;
|
|
|
|
return key_asymmetric_verify( key, padding, hash, hash_len, signature, signature_len, flags );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptDestroyKey( BCRYPT_KEY_HANDLE handle )
|
|
{
|
|
struct key *key = handle;
|
|
|
|
TRACE( "%p\n", handle );
|
|
|
|
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
|
|
key->hdr.magic = 0;
|
|
return key_destroy( key );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
|
|
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
|
|
{
|
|
struct key *key = handle;
|
|
|
|
TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle, input, input_len, padding, iv, iv_len, output,
|
|
output_len, ret_len, flags );
|
|
|
|
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
|
|
if (!key_is_symmetric( key ))
|
|
{
|
|
FIXME( "encryption with asymmetric keys not yet supported\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
if (flags & ~BCRYPT_BLOCK_PADDING)
|
|
{
|
|
FIXME( "flags %08x not implemented\n", flags );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
return key_encrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptDecrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG input_len, void *padding, UCHAR *iv,
|
|
ULONG iv_len, UCHAR *output, ULONG output_len, ULONG *ret_len, ULONG flags )
|
|
{
|
|
struct key *key = handle;
|
|
|
|
TRACE( "%p, %p, %u, %p, %p, %u, %p, %u, %p, %08x\n", handle, input, input_len, padding, iv, iv_len, output,
|
|
output_len, ret_len, flags );
|
|
|
|
if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
|
|
if (!key_is_symmetric( key ))
|
|
{
|
|
FIXME( "decryption with asymmetric keys not yet supported\n" );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
if (flags & ~BCRYPT_BLOCK_PADDING)
|
|
{
|
|
FIXME( "flags %08x not supported\n", flags );
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
return key_decrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptSetProperty( BCRYPT_HANDLE handle, const WCHAR *prop, UCHAR *value, ULONG size, ULONG flags )
|
|
{
|
|
struct object *object = handle;
|
|
|
|
TRACE( "%p, %s, %p, %u, %08x\n", handle, debugstr_w(prop), value, size, flags );
|
|
|
|
if (!object) return STATUS_INVALID_HANDLE;
|
|
|
|
switch (object->magic)
|
|
{
|
|
case MAGIC_ALG:
|
|
{
|
|
struct algorithm *alg = (struct algorithm *)object;
|
|
return set_alg_property( alg, prop, value, size, flags );
|
|
}
|
|
case MAGIC_KEY:
|
|
{
|
|
struct key *key = (struct key *)object;
|
|
return key_set_property( key, prop, value, size, flags );
|
|
}
|
|
default:
|
|
WARN( "unknown magic %08x\n", object->magic );
|
|
return STATUS_INVALID_HANDLE;
|
|
}
|
|
}
|
|
|
|
static NTSTATUS pbkdf2( BCRYPT_ALG_HANDLE algorithm, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len,
|
|
ULONGLONG iterations, ULONG i, UCHAR *dst, ULONG hash_len )
|
|
{
|
|
BCRYPT_HASH_HANDLE handle = NULL;
|
|
NTSTATUS status = STATUS_INVALID_PARAMETER;
|
|
UCHAR bytes[4], *buf;
|
|
ULONG j, k;
|
|
|
|
if (!(buf = heap_alloc( hash_len ))) return STATUS_NO_MEMORY;
|
|
|
|
for (j = 0; j < iterations; j++)
|
|
{
|
|
status = BCryptCreateHash( algorithm, &handle, NULL, 0, pwd, pwd_len, 0 );
|
|
if (status != STATUS_SUCCESS)
|
|
goto done;
|
|
|
|
if (j == 0)
|
|
{
|
|
/* use salt || INT(i) */
|
|
status = BCryptHashData( handle, salt, salt_len, 0 );
|
|
if (status != STATUS_SUCCESS)
|
|
goto done;
|
|
bytes[0] = (i >> 24) & 0xff;
|
|
bytes[1] = (i >> 16) & 0xff;
|
|
bytes[2] = (i >> 8) & 0xff;
|
|
bytes[3] = i & 0xff;
|
|
status = BCryptHashData( handle, bytes, 4, 0 );
|
|
}
|
|
else status = BCryptHashData( handle, buf, hash_len, 0 ); /* use U_j */
|
|
if (status != STATUS_SUCCESS)
|
|
goto done;
|
|
|
|
status = BCryptFinishHash( handle, buf, hash_len, 0 );
|
|
if (status != STATUS_SUCCESS)
|
|
goto done;
|
|
|
|
if (j == 0) memcpy( dst, buf, hash_len );
|
|
else for (k = 0; k < hash_len; k++) dst[k] ^= buf[k];
|
|
|
|
BCryptDestroyHash( handle );
|
|
handle = NULL;
|
|
}
|
|
|
|
done:
|
|
BCryptDestroyHash( handle );
|
|
heap_free( buf );
|
|
return status;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptDeriveKeyPBKDF2( BCRYPT_ALG_HANDLE handle, UCHAR *pwd, ULONG pwd_len, UCHAR *salt, ULONG salt_len,
|
|
ULONGLONG iterations, UCHAR *dk, ULONG dk_len, ULONG flags )
|
|
{
|
|
struct algorithm *alg = handle;
|
|
ULONG hash_len, block_count, bytes_left, i;
|
|
UCHAR *partial;
|
|
NTSTATUS status;
|
|
|
|
TRACE( "%p, %p, %u, %p, %u, %s, %p, %u, %08x\n", handle, pwd, pwd_len, salt, salt_len,
|
|
wine_dbgstr_longlong(iterations), dk, dk_len, flags );
|
|
|
|
if (!alg || alg->hdr.magic != MAGIC_ALG) return STATUS_INVALID_HANDLE;
|
|
|
|
hash_len = builtin_algorithms[alg->id].hash_length;
|
|
if (dk_len <= 0 || dk_len > ((((ULONGLONG)1) << 32) - 1) * hash_len) return STATUS_INVALID_PARAMETER;
|
|
|
|
block_count = 1 + ((dk_len - 1) / hash_len); /* ceil(dk_len / hash_len) */
|
|
bytes_left = dk_len - (block_count - 1) * hash_len;
|
|
|
|
/* full blocks */
|
|
for (i = 1; i < block_count; i++)
|
|
{
|
|
status = pbkdf2( handle, pwd, pwd_len, salt, salt_len, iterations, i, dk + ((i - 1) * hash_len), hash_len );
|
|
if (status != STATUS_SUCCESS)
|
|
return status;
|
|
}
|
|
|
|
/* final partial block */
|
|
if (!(partial = heap_alloc( hash_len ))) return STATUS_NO_MEMORY;
|
|
|
|
status = pbkdf2( handle, pwd, pwd_len, salt, salt_len, iterations, block_count, partial, hash_len );
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
heap_free( partial );
|
|
return status;
|
|
}
|
|
memcpy( dk + ((block_count - 1) * hash_len), partial, bytes_left );
|
|
heap_free( partial );
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptSecretAgreement(BCRYPT_KEY_HANDLE handle, BCRYPT_KEY_HANDLE key, BCRYPT_SECRET_HANDLE *secret, ULONG flags)
|
|
{
|
|
FIXME( "%p, %p, %p, %08x\n", handle, key, secret, flags );
|
|
|
|
if(secret)
|
|
*secret = (BCRYPT_SECRET_HANDLE *)0xDEADFEED;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptDestroySecret(BCRYPT_SECRET_HANDLE secret)
|
|
{
|
|
FIXME( "%p\n", secret );
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS WINAPI BCryptDeriveKey(BCRYPT_SECRET_HANDLE secret, LPCWSTR kdf, BCryptBufferDesc *parameter,
|
|
PUCHAR derived, ULONG derived_size, ULONG *result, ULONG flags)
|
|
{
|
|
FIXME( "%p, %s, %p, %p, %d, %p, %08x\n", secret, debugstr_w(kdf), parameter, derived, derived_size, result, flags );
|
|
return STATUS_INTERNAL_ERROR;
|
|
}
|
|
|
|
BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
|
|
{
|
|
switch (reason)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
instance = hinst;
|
|
DisableThreadLibraryCalls( hinst );
|
|
#ifdef HAVE_GNUTLS_CIPHER_INIT
|
|
gnutls_initialize();
|
|
#endif
|
|
break;
|
|
|
|
case DLL_PROCESS_DETACH:
|
|
if (reserved) break;
|
|
#ifdef HAVE_GNUTLS_CIPHER_INIT
|
|
gnutls_uninitialize();
|
|
#endif
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|