mirror of
git://source.winehq.org/git/wine.git
synced 2024-11-01 02:46:32 +00:00
562 lines
18 KiB
C
562 lines
18 KiB
C
/*
|
|
* New cryptographic library (ncrypt.dll)
|
|
*
|
|
* Copyright 2016 Alex Henrie
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "ntstatus.h"
|
|
#define WIN32_NO_STATUS
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "ncrypt.h"
|
|
#include "bcrypt.h"
|
|
#include "ncrypt_internal.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(ncrypt);
|
|
|
|
static SECURITY_STATUS map_ntstatus(NTSTATUS status)
|
|
{
|
|
switch (status)
|
|
{
|
|
case STATUS_INVALID_HANDLE: return NTE_INVALID_HANDLE;
|
|
case STATUS_INVALID_SIGNATURE: return NTE_BAD_SIGNATURE;
|
|
case STATUS_SUCCESS: return ERROR_SUCCESS;
|
|
case STATUS_INVALID_PARAMETER: return NTE_INVALID_PARAMETER;
|
|
case STATUS_NO_MEMORY: return NTE_NO_MEMORY;
|
|
case STATUS_NOT_SUPPORTED: return NTE_NOT_SUPPORTED;
|
|
case NTE_BAD_DATA: return NTE_BAD_DATA;
|
|
case STATUS_BUFFER_TOO_SMALL: return NTE_BUFFER_TOO_SMALL;
|
|
default:
|
|
FIXME("unhandled status %#lx\n", status);
|
|
return NTE_INTERNAL_ERROR;
|
|
}
|
|
}
|
|
|
|
static struct object *allocate_object(enum object_type type)
|
|
{
|
|
struct object *ret;
|
|
if (!(ret = calloc(1, sizeof(*ret)))) return NULL;
|
|
ret->type = type;
|
|
return ret;
|
|
}
|
|
|
|
static struct object_property *get_object_property(struct object *object, const WCHAR *name)
|
|
{
|
|
unsigned int i;
|
|
for (i = 0; i < object->num_properties; i++)
|
|
{
|
|
struct object_property *property = &object->properties[i];
|
|
if (!lstrcmpW(property->key, name)) return property;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
struct object_property *add_object_property(struct object *object, const WCHAR *name)
|
|
{
|
|
struct object_property *property;
|
|
|
|
if (!object->num_properties)
|
|
{
|
|
if (!(object->properties = malloc(sizeof(*property))))
|
|
{
|
|
ERR("Error allocating memory.\n");
|
|
return NULL;
|
|
}
|
|
property = &object->properties[object->num_properties++];
|
|
}
|
|
else
|
|
{
|
|
struct object_property *tmp;
|
|
if (!(tmp = realloc(object->properties, sizeof(*property) * (object->num_properties + 1))))
|
|
{
|
|
ERR("Error allocating memory.\n");
|
|
return NULL;
|
|
}
|
|
object->properties = tmp;
|
|
property = &object->properties[object->num_properties++];
|
|
}
|
|
|
|
memset(property, 0, sizeof(*property));
|
|
if (!(property->key = malloc((lstrlenW(name) + 1) * sizeof(WCHAR))))
|
|
{
|
|
ERR("Error allocating memory.\n");
|
|
return NULL;
|
|
}
|
|
|
|
lstrcpyW(property->key, name);
|
|
return property;
|
|
}
|
|
|
|
static SECURITY_STATUS set_object_property(struct object *object, const WCHAR *name, BYTE *value, DWORD value_size)
|
|
{
|
|
struct object_property *property = get_object_property(object, name);
|
|
void *tmp;
|
|
|
|
if (!property && !(property = add_object_property(object, name))) return NTE_NO_MEMORY;
|
|
|
|
property->value_size = value_size;
|
|
if (!(tmp = realloc(property->value, value_size)))
|
|
{
|
|
ERR("Error allocating memory.\n");
|
|
free(property->key);
|
|
property->key = NULL;
|
|
return NTE_NO_MEMORY;
|
|
}
|
|
|
|
property->value = tmp;
|
|
memcpy(property->value, value, value_size);
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
static struct object *create_key_object(enum algid algid, NCRYPT_PROV_HANDLE provider)
|
|
{
|
|
struct object *object;
|
|
|
|
switch (algid)
|
|
{
|
|
case RSA:
|
|
if (!(object = allocate_object(KEY))) return NULL;
|
|
|
|
object->key.algid = RSA;
|
|
set_object_property(object, NCRYPT_ALGORITHM_GROUP_PROPERTY, (BYTE *)BCRYPT_RSA_ALGORITHM,
|
|
sizeof(BCRYPT_RSA_ALGORITHM));
|
|
break;
|
|
|
|
default:
|
|
ERR("Invalid algid %#x\n", algid);
|
|
return NULL;
|
|
}
|
|
|
|
set_object_property(object, NCRYPT_PROVIDER_HANDLE_PROPERTY, (BYTE *)&provider, sizeof(provider));
|
|
return object;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptCreatePersistedKey(NCRYPT_PROV_HANDLE provider, NCRYPT_KEY_HANDLE *key,
|
|
const WCHAR *algid, const WCHAR *name, DWORD keyspec, DWORD flags)
|
|
{
|
|
struct object *object;
|
|
|
|
TRACE("(%#Ix, %p, %s, %s, %#lx, %#lx)\n", provider, key, wine_dbgstr_w(algid),
|
|
wine_dbgstr_w(name), keyspec, flags);
|
|
|
|
if (!provider) return NTE_INVALID_HANDLE;
|
|
if (!algid) return HRESULT_FROM_WIN32(RPC_X_NULL_REF_POINTER);
|
|
if (name) FIXME("Persistent keys are not supported\n");
|
|
|
|
if (!lstrcmpiW(algid, BCRYPT_RSA_ALGORITHM))
|
|
{
|
|
NTSTATUS status;
|
|
DWORD default_bitlen = 1024;
|
|
|
|
if (!(object = create_key_object(RSA, provider)))
|
|
{
|
|
ERR("Error allocating memory\n");
|
|
return NTE_NO_MEMORY;
|
|
}
|
|
|
|
status = BCryptGenerateKeyPair(BCRYPT_RSA_ALG_HANDLE, &object->key.bcrypt_key, default_bitlen, 0);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
ERR("Error generating key pair %#lx\n", status);
|
|
free(object);
|
|
return map_ntstatus(status);
|
|
}
|
|
|
|
set_object_property(object, NCRYPT_LENGTH_PROPERTY, (BYTE *)&default_bitlen, sizeof(default_bitlen));
|
|
}
|
|
else
|
|
{
|
|
FIXME("Algorithm not handled %s\n", wine_dbgstr_w(algid));
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
*key = (NCRYPT_KEY_HANDLE)object;
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptDecrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding,
|
|
BYTE *output, DWORD outsize, DWORD *result, DWORD flags)
|
|
{
|
|
FIXME("(%#Ix, %p, %lu, %p, %p, %lu, %p, %#lx): stub\n", key, input, insize, padding,
|
|
output, outsize, result, flags);
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptDeleteKey(NCRYPT_KEY_HANDLE key, DWORD flags)
|
|
{
|
|
FIXME("(%#Ix, %#lx): stub\n", key, flags);
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptEncrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding,
|
|
BYTE *output, DWORD outsize, DWORD *result, DWORD flags)
|
|
{
|
|
struct object *key_object = (struct object *)key;
|
|
|
|
TRACE("(%#Ix, %p, %lu, %p, %p, %lu, %p, %#lx)\n", key, input, insize, padding,
|
|
output, outsize, result, flags);
|
|
|
|
if (flags & ~(NCRYPT_NO_PADDING_FLAG | NCRYPT_PAD_OAEP_FLAG
|
|
| NCRYPT_PAD_PKCS1_FLAG | NCRYPT_SILENT_FLAG))
|
|
{
|
|
FIXME("Flags %lx not supported\n", flags);
|
|
return NTE_BAD_FLAGS;
|
|
}
|
|
|
|
if (flags & NCRYPT_NO_PADDING_FLAG || flags & NCRYPT_PAD_OAEP_FLAG)
|
|
{
|
|
FIXME("No padding and oaep padding not supported\n");
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
if (key_object->type != KEY) return NTE_INVALID_HANDLE;
|
|
|
|
return map_ntstatus(BCryptEncrypt(key_object->key.bcrypt_key, input, insize, padding,
|
|
NULL, 0, output, outsize, result, flags));
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptEnumAlgorithms(NCRYPT_PROV_HANDLE provider, DWORD alg_ops,
|
|
DWORD *alg_count, NCryptAlgorithmName **alg_list, DWORD flags)
|
|
{
|
|
FIXME("(%#Ix, %#lx, %p, %p, %#lx): stub\n", provider, alg_ops, alg_count, alg_list, flags);
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptEnumKeys(NCRYPT_PROV_HANDLE provider, const WCHAR *scope,
|
|
NCryptKeyName **key_name, PVOID *enum_state, DWORD flags)
|
|
{
|
|
FIXME("(%#Ix, %p, %p, %p, %#lx): stub\n", provider, scope, key_name, enum_state, flags);
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptFinalizeKey(NCRYPT_KEY_HANDLE handle, DWORD flags)
|
|
{
|
|
struct object *object = (struct object *)handle;
|
|
DWORD key_length;
|
|
struct object_property *prop;
|
|
NTSTATUS status;
|
|
|
|
TRACE("(%#Ix, %#lx)\n", handle, flags);
|
|
|
|
if (!object || object->type != KEY) return NTE_INVALID_HANDLE;
|
|
|
|
if (!(prop = get_object_property(object, NCRYPT_LENGTH_PROPERTY))) return NTE_INVALID_HANDLE;
|
|
key_length = *(DWORD *)prop->value;
|
|
status = BCryptSetProperty(object->key.bcrypt_key, BCRYPT_KEY_LENGTH, (UCHAR *)&key_length, sizeof(key_length), 0);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
ERR("Error setting key length property\n");
|
|
return map_ntstatus(status);
|
|
}
|
|
|
|
status = BCryptFinalizeKeyPair(object->key.bcrypt_key, 0);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
ERR("Error finalizing key pair\n");
|
|
return map_ntstatus(status);
|
|
}
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptFreeBuffer(PVOID buf)
|
|
{
|
|
FIXME("(%p): stub\n", buf);
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
static SECURITY_STATUS free_key_object(struct key *key)
|
|
{
|
|
return map_ntstatus( BCryptDestroyKey(key->bcrypt_key) );
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptFreeObject(NCRYPT_HANDLE handle)
|
|
{
|
|
struct object *object = (struct object *)handle;
|
|
SECURITY_STATUS ret = STATUS_SUCCESS;
|
|
unsigned int i;
|
|
|
|
TRACE("(%#Ix)\n", handle);
|
|
|
|
if (!object)
|
|
{
|
|
WARN("invalid handle %#Ix\n", handle);
|
|
return NTE_INVALID_HANDLE;
|
|
}
|
|
|
|
switch (object->type)
|
|
{
|
|
case KEY:
|
|
{
|
|
if ((ret = free_key_object(&object->key))) return ret;
|
|
break;
|
|
}
|
|
case STORAGE_PROVIDER:
|
|
break;
|
|
|
|
default:
|
|
WARN("invalid handle %#Ix\n", handle);
|
|
return NTE_INVALID_HANDLE;
|
|
}
|
|
|
|
for (i = 0; i < object->num_properties; i++)
|
|
{
|
|
free(object->properties[i].key);
|
|
free(object->properties[i].value);
|
|
}
|
|
free(object->properties);
|
|
free(object);
|
|
return ret;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptGetProperty(NCRYPT_HANDLE handle, const WCHAR *name, BYTE *output,
|
|
DWORD outsize, DWORD *result, DWORD flags)
|
|
{
|
|
struct object *object = (struct object *)handle;
|
|
const struct object_property *property;
|
|
|
|
TRACE("(%#Ix, %s, %p, %lu, %p, %#lx)\n", handle, wine_dbgstr_w(name), output, outsize, result, flags);
|
|
if (flags) FIXME("flags %#lx not supported\n", flags);
|
|
|
|
if (!object) return NTE_INVALID_HANDLE;
|
|
if (!(property = get_object_property(object, name))) return NTE_INVALID_PARAMETER;
|
|
|
|
*result = property->value_size;
|
|
if (!output) return ERROR_SUCCESS;
|
|
if (outsize < property->value_size) return NTE_BUFFER_TOO_SMALL;
|
|
|
|
memcpy(output, property->value, property->value_size);
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptImportKey(NCRYPT_PROV_HANDLE provider, NCRYPT_KEY_HANDLE decrypt_key,
|
|
const WCHAR *type, NCryptBufferDesc *params, NCRYPT_KEY_HANDLE *handle,
|
|
BYTE *data, DWORD datasize, DWORD flags)
|
|
{
|
|
BCRYPT_KEY_BLOB *header = (BCRYPT_KEY_BLOB *)data;
|
|
struct object *object;
|
|
|
|
TRACE("(%#Ix, %#Ix, %s, %p, %p, %p, %lu, %#lx)\n", provider, decrypt_key, wine_dbgstr_w(type),
|
|
params, handle, data, datasize, flags);
|
|
|
|
if (decrypt_key)
|
|
{
|
|
FIXME("Key blob decryption not implemented\n");
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
if (params)
|
|
{
|
|
FIXME("Parameter information not implemented\n");
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
if (flags == NCRYPT_SILENT_FLAG)
|
|
{
|
|
FIXME("Silent flag not implemented\n");
|
|
}
|
|
else if (flags)
|
|
{
|
|
WARN("Invalid flags %#lx\n", flags);
|
|
return NTE_BAD_FLAGS;
|
|
}
|
|
|
|
switch(header->Magic)
|
|
{
|
|
case BCRYPT_RSAFULLPRIVATE_MAGIC:
|
|
case BCRYPT_RSAPRIVATE_MAGIC:
|
|
case BCRYPT_RSAPUBLIC_MAGIC:
|
|
{
|
|
NTSTATUS status;
|
|
BCRYPT_RSAKEY_BLOB *rsablob = (BCRYPT_RSAKEY_BLOB *)data;
|
|
|
|
if (!(object = create_key_object(RSA, provider)))
|
|
{
|
|
ERR("Error allocating memory\n");
|
|
return NTE_NO_MEMORY;
|
|
}
|
|
|
|
status = BCryptImportKeyPair(BCRYPT_RSA_ALG_HANDLE, NULL, type, &object->key.bcrypt_key, data, datasize, 0);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
WARN("Error importing key pair %#lx\n", status);
|
|
free(object);
|
|
return map_ntstatus(status);
|
|
}
|
|
|
|
set_object_property(object, NCRYPT_LENGTH_PROPERTY, (BYTE *)&rsablob->BitLength, sizeof(rsablob->BitLength));
|
|
break;
|
|
}
|
|
default:
|
|
FIXME("Unhandled key magic %#lx\n", header->Magic);
|
|
return NTE_INVALID_PARAMETER;
|
|
}
|
|
|
|
*handle = (NCRYPT_KEY_HANDLE)object;
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptExportKey(NCRYPT_KEY_HANDLE key, NCRYPT_KEY_HANDLE encrypt_key, const WCHAR *type,
|
|
NCryptBufferDesc *params, BYTE *output, DWORD output_len, DWORD *ret_len,
|
|
DWORD flags)
|
|
{
|
|
struct object *object = (struct object *)key;
|
|
|
|
TRACE("(%#Ix, %#Ix, %s, %p, %p, %lu, %p, %#lx)\n", key, encrypt_key, wine_dbgstr_w(type), params, output,
|
|
output_len, ret_len, flags);
|
|
|
|
if (encrypt_key)
|
|
{
|
|
FIXME("Key blob encryption not implemented\n");
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
if (params)
|
|
{
|
|
FIXME("Parameter information not implemented\n");
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
if (flags == NCRYPT_SILENT_FLAG)
|
|
{
|
|
FIXME("Silent flag not implemented\n");
|
|
}
|
|
|
|
return map_ntstatus(BCryptExportKey(object->key.bcrypt_key, NULL, type, output, output_len, ret_len, 0));
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptIsAlgSupported(NCRYPT_PROV_HANDLE provider, const WCHAR *algid, DWORD flags)
|
|
{
|
|
static const ULONG supported = BCRYPT_CIPHER_OPERATION |\
|
|
BCRYPT_ASYMMETRIC_ENCRYPTION_OPERATION |\
|
|
BCRYPT_SIGNATURE_OPERATION |\
|
|
BCRYPT_SECRET_AGREEMENT_OPERATION;
|
|
BCRYPT_ALGORITHM_IDENTIFIER *list;
|
|
ULONG i, count;
|
|
NTSTATUS status;
|
|
|
|
TRACE("(%#Ix, %s, %#lx)\n", provider, wine_dbgstr_w(algid), flags);
|
|
|
|
if (!provider) return NTE_INVALID_HANDLE;
|
|
if (!algid) return HRESULT_FROM_WIN32(RPC_X_NULL_REF_POINTER);
|
|
if (flags == NCRYPT_SILENT_FLAG)
|
|
{
|
|
FIXME("Silent flag not implemented\n");
|
|
}
|
|
else if (flags)
|
|
{
|
|
WARN("Invalid flags %#lx\n", flags);
|
|
return NTE_BAD_FLAGS;
|
|
}
|
|
if (!lstrcmpiW(BCRYPT_RSA_SIGN_ALGORITHM, algid)) return NTE_NOT_SUPPORTED;
|
|
|
|
status = BCryptEnumAlgorithms(supported, &count, &list, 0);
|
|
if (status != STATUS_SUCCESS)
|
|
{
|
|
ERR("Error retrieving algorithm list %#lx\n", status);
|
|
return map_ntstatus(status);
|
|
}
|
|
|
|
status = STATUS_NOT_SUPPORTED;
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (!lstrcmpiW(list[i].pszName, algid))
|
|
{
|
|
status = STATUS_SUCCESS;
|
|
break;
|
|
}
|
|
}
|
|
|
|
BCryptFreeBuffer(list);
|
|
return map_ntstatus(status);
|
|
}
|
|
|
|
BOOL WINAPI NCryptIsKeyHandle(NCRYPT_KEY_HANDLE hKey)
|
|
{
|
|
FIXME("(%#Ix): stub\n", hKey);
|
|
return FALSE;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptOpenKey(NCRYPT_PROV_HANDLE provider, NCRYPT_KEY_HANDLE *key,
|
|
const WCHAR *name, DWORD keyspec, DWORD flags)
|
|
{
|
|
FIXME("(%#Ix, %p, %s, %#lx, %#lx): stub\n", provider, key, wine_dbgstr_w(name), keyspec, flags);
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptOpenStorageProvider(NCRYPT_PROV_HANDLE *provider, const WCHAR *name, DWORD flags)
|
|
{
|
|
struct object *object;
|
|
|
|
FIXME("(%p, %s, %#lx): stub\n", provider, wine_dbgstr_w(name), flags);
|
|
|
|
if (!(object = allocate_object(STORAGE_PROVIDER)))
|
|
{
|
|
ERR("Error allocating memory.\n");
|
|
return NTE_NO_MEMORY;
|
|
}
|
|
*provider = (NCRYPT_PROV_HANDLE)object;
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptSetProperty(NCRYPT_HANDLE handle, const WCHAR *name, BYTE *input, DWORD insize, DWORD flags)
|
|
{
|
|
struct object *object = (struct object *)handle;
|
|
|
|
TRACE("(%#Ix, %s, %p, %lu, %#lx)\n", handle, wine_dbgstr_w(name), input, insize, flags);
|
|
if (flags) FIXME("flags %#lx not supported\n", flags);
|
|
|
|
if (!object) return NTE_INVALID_HANDLE;
|
|
return set_object_property(object, name, input, insize);
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptSignHash(NCRYPT_KEY_HANDLE handle, void *padding, BYTE *value, DWORD value_len,
|
|
BYTE *sig, DWORD sig_len, DWORD *ret_len, DWORD flags)
|
|
{
|
|
struct object *object = (struct object *)handle;
|
|
|
|
TRACE("(%#Ix, %p, %p, %lu, %p, %lu, %#lx)\n", handle, padding, value, value_len, sig, sig_len, flags);
|
|
if (flags & NCRYPT_SILENT_FLAG) FIXME("Silent flag not implemented\n");
|
|
|
|
if (!object || object->type != KEY) return NTE_INVALID_HANDLE;
|
|
|
|
return map_ntstatus(BCryptSignHash(object->key.bcrypt_key, padding, value, value_len, sig, sig_len,
|
|
ret_len, flags & ~NCRYPT_SILENT_FLAG));
|
|
}
|
|
|
|
SECURITY_STATUS WINAPI NCryptVerifySignature(NCRYPT_KEY_HANDLE handle, void *padding, BYTE *hash, DWORD hash_size,
|
|
BYTE *signature, DWORD signature_size, DWORD flags)
|
|
{
|
|
struct object *key_object = (struct object *)handle;
|
|
|
|
TRACE("(%#Ix, %p, %p, %lu, %p, %lu, %#lx)\n", handle, padding, hash, hash_size, signature,
|
|
signature_size, flags);
|
|
|
|
if (!hash_size || !signature_size) return NTE_INVALID_PARAMETER;
|
|
if (!hash || !signature) return HRESULT_FROM_WIN32(RPC_X_NULL_REF_POINTER);
|
|
if (!handle || key_object->type != KEY) return NTE_INVALID_HANDLE;
|
|
|
|
if (key_object->key.algid < RSA)
|
|
{
|
|
FIXME("Symmetric keys not supported.\n");
|
|
return NTE_NOT_SUPPORTED;
|
|
}
|
|
|
|
return map_ntstatus(BCryptVerifySignature(key_object->key.bcrypt_key, padding, hash, hash_size, signature,
|
|
signature_size, flags));
|
|
}
|