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bcrypt: Decryption with asymmetric keys is supported. 

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker 2021-04-20 16:53:31 +02:00 committed by Alexandre Julliard
parent 78866a7b87
commit 3deb961583
1 changed files with 17 additions and 23 deletions
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40
dlls/bcrypt/bcrypt_main.c
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@ -1240,24 +1240,6 @@ static NTSTATUS key_symmetric_decrypt( struct key *key, UCHAR *input, ULONG inpu
return status;
}
static NTSTATUS key_asymmetric_decrypt( struct key *key, UCHAR *input, ULONG input_len, UCHAR *output,
ULONG output_len, ULONG *ret_len )
{
NTSTATUS status;
if (!(status = key_funcs->key_asymmetric_decrypt( key, input, input_len, output, &output_len )))
*ret_len = output_len;
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 )
{
return key_is_symmetric( key ) ? key_symmetric_decrypt( key, input, input_len, padding, iv, iv_len,
output, output_len, ret_len, flags ) : key_asymmetric_decrypt( key, input, input_len, output, output_len, ret_len );
}
static NTSTATUS key_import_pair( struct algorithm *alg, const WCHAR *type, BCRYPT_KEY_HANDLE *ret_key, UCHAR *input,
ULONG input_len )
{
@ -1733,6 +1715,23 @@ NTSTATUS WINAPI BCryptEncrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG inp
return key_encrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
}
static NTSTATUS key_asymmetric_decrypt( struct key *key, UCHAR *input, ULONG input_len, UCHAR *output,
ULONG output_len, ULONG *ret_len )
{
NTSTATUS status;
if (!(status = key_funcs->key_asymmetric_decrypt( key, input, input_len, output, &output_len )))
*ret_len = output_len;
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 )
{
if (key_is_symmetric( key ))
return key_symmetric_decrypt( key, input, input_len, padding, iv, iv_len, output, output_len, ret_len, flags );
return key_asymmetric_decrypt( key, input, input_len, output, output_len, ret_len );
}
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 )
{
@ -1742,11 +1741,6 @@ NTSTATUS WINAPI BCryptDecrypt( BCRYPT_KEY_HANDLE handle, UCHAR *input, ULONG inp
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 );