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