Source code of Windows XP (NT5)
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/*++
Copyright (c) 1997-2001 Microsoft Corporation
Module Name:
ah.h
Abstract:
Contains ESP specific structures
Author:
Sanjay Anand (SanjayAn) 11-November-1997
ChunYe
Environment:
Kernel mode
Revision History:
--*/
#ifndef _ESP_
#define _ESP_
typedef struct _CONF_STATE_BUFFER {
union {
DESTable desTable;
DES3TABLE des3Table;
};
} CONF_STATE_BUFFER, *PCONF_STATE_BUFFER;
typedef VOID
(*PCONF_ALGO_INIT) (
PVOID pState,
PUCHAR pKey
);
typedef VOID
(*PCONF_ALGO_ENCRYPT) (
PVOID pState,
PUCHAR pOut,
PUCHAR pIn,
PUCHAR pIV
);
VOID esp_nullinit (PVOID, PUCHAR);
VOID esp_nullencrypt (PVOID, PUCHAR, PUCHAR, PUCHAR);
VOID esp_nulldecrypt (PVOID, PUCHAR, PUCHAR, PUCHAR);
VOID esp_desinit (PVOID, PVOID);
VOID esp_desencrypt (PVOID, PUCHAR, PUCHAR, PUCHAR);
VOID esp_desdecrypt (PVOID, PUCHAR, PUCHAR, PUCHAR);
VOID esp_3_desinit (PVOID, PVOID);
VOID esp_3_desencrypt (PVOID, PUCHAR, PUCHAR, PUCHAR);
VOID esp_3_desdecrypt (PVOID, PUCHAR, PUCHAR, PUCHAR);
//
// Array of function ptrs for the ESP confidentiality algorithms
//
typedef struct _confid_algorithm {
PCONF_ALGO_INIT init; // ptr to init fn for alg.
PCONF_ALGO_ENCRYPT encrypt; // ptr to encrypt fn for alg
PCONF_ALGO_ENCRYPT decrypt; // ptr to encrypt fn for alg
ULONG blocklen; // Length (in u_int8s) of output
// data. MUST be a multiple of 4
} CONFID_ALGO, *PCONFID_ALGO;
#define NUM_CONF_ALGOS (sizeof(conf_algorithms)/sizeof(CONFID_ALGO)-1)
IPRcvBuf *
CopyToRcvBuf(
IN IPRcvBuf *DestBuf,
IN PUCHAR SrcBuf,
IN ULONG Size,
IN PULONG StartOffset
);
NTSTATUS
IPSecEncryptBuffer(
IN PVOID pData,
IN PNDIS_BUFFER *ppNewMdl,
IN PSA_TABLE_ENTRY pSA,
IN PNDIS_BUFFER pPadBuf,
OUT PULONG pPadLen,
IN ULONG PayloadType,
IN ULONG Index,
IN PUCHAR feedback
);
NTSTATUS
IPSecDecryptBuffer(
IN PVOID pData,
IN PSA_TABLE_ENTRY pSA,
OUT PUCHAR pPadLen,
OUT PUCHAR pPayloadType,
IN ULONG Index
);
#endif _ESP_