Win32-OpenSSH/contrib/win32/win32compat/cng_cipher.h

82 lines
2.7 KiB
C

/*
* Author: Microsoft Corp.
*
* Copyright (c) 2015 Microsoft Corp.
* All rights reserved
*
* Microsoft openssh win32 port
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* cng_cipher.h
*
* Openssh ciphers implemented using Microsoft Crypto Next Generation (CNG).
*
*/
#ifndef CNG_CIPHER_H
#define CNG_CIPHER_H
#ifdef USE_MSCNG
#ifdef __cplusplus
extern "C" {
#endif
#define NT_SUCCESS(Status) (((NTSTATUS)(Status)) >= 0)
#define STATUS_UNSUCCESSFUL ((NTSTATUS)0xC0000001L)
/* CIPHER/MODE bits specify cipher and mode in the flags
* field of the context
*/
#define _CNG_CIPHER_AES 0x00000001
#define _CNG_MODE_CTR 0x00010000
#define _CNG_MODE_CBC 0x00020000
#define _CNG_CIPHER_MASK 0x0000FFFF
#define _CNG_MODE_MASK 0xFFFF0000
typedef struct ssh_cng_cipher_ctx
{
void * hKey;
unsigned char * pbIV;
unsigned int cbBlockSize;
unsigned int flags;
PBYTE pKeyObject;
} SSH_CNG_CIPHER_CTX, *PSSH_CNG_CIPHER_CTX;
unsigned int cng_cipher_encrypt(PSSH_CNG_CIPHER_CTX x, unsigned char *dest, unsigned int dest_len, const unsigned char *src, unsigned int len);
unsigned int cng_cipher_decrypt(PSSH_CNG_CIPHER_CTX x, unsigned char *dest, unsigned int dest_len, const unsigned char *src, unsigned int len);
unsigned int cng_cipher_init(PSSH_CNG_CIPHER_CTX x, const unsigned char *key, unsigned int keylen, const unsigned char *iv, size_t ivlen, unsigned int flags);
void cng_cipher_cleanup(PSSH_CNG_CIPHER_CTX x);
#ifdef __cplusplus
}
#endif
#endif
#endif