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windows-nt/Source/XPSP1/NT/inetsrv/iis/staxinc/crypt.h

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//+---------------------------------------------------------------------------
//
// File: crypt.h
//
// Contents: Functions that had to be mostly borrowed from NT src tree
//
// History: SudK Created 6/25/95
//
//----------------------------------------------------------------------------
#ifndef _NTCRYPT_
#define _NTCRYPT_
#ifndef MIDL_PASS // Don't confuse MIDL
#ifndef RPC_NO_WINDOWS_H // Don't let rpc.h include windows.h
#define RPC_NO_WINDOWS_H
#endif // RPC_NO_WINDOWS_H
#ifndef WIN16_BUILD
#include <rpc.h>
#else
#define NTAPI FAR PASCAL
#define IN
#define OUT
#define BOOLEAN BOOL
#define OPTIONAL
#define NTSYSAPI
#endif
#endif // MIDL_PASS
/////////////////////////////////////////////////////////////////////////
// //
// Core encryption types //
// //
/////////////////////////////////////////////////////////////////////////
#define CLEAR_BLOCK_LENGTH 8
typedef struct _CLEAR_BLOCK {
CHAR data[CLEAR_BLOCK_LENGTH];
} CLEAR_BLOCK;
typedef CLEAR_BLOCK * PCLEAR_BLOCK;
#define CYPHER_BLOCK_LENGTH 8
typedef struct _CYPHER_BLOCK {
CHAR data[CYPHER_BLOCK_LENGTH];
} CYPHER_BLOCK;
typedef CYPHER_BLOCK * PCYPHER_BLOCK;
#define BLOCK_KEY_LENGTH 7
typedef struct _BLOCK_KEY {
CHAR data[BLOCK_KEY_LENGTH];
} BLOCK_KEY;
typedef BLOCK_KEY * PBLOCK_KEY;
/////////////////////////////////////////////////////////////////////////
// //
// Arbitrary length data encryption types //
// //
/////////////////////////////////////////////////////////////////////////
typedef struct _CRYPT_BUFFER {
ULONG Length; // Number of valid bytes in buffer
ULONG MaximumLength; // Number of bytes pointed to by Buffer
PVOID Buffer;
} CRYPT_BUFFER;
typedef CRYPT_BUFFER * PCRYPT_BUFFER;
typedef CRYPT_BUFFER CLEAR_DATA;
typedef CLEAR_DATA * PCLEAR_DATA;
typedef CRYPT_BUFFER DATA_KEY;
typedef DATA_KEY * PDATA_KEY;
typedef CRYPT_BUFFER CYPHER_DATA;
typedef CYPHER_DATA * PCYPHER_DATA;
/////////////////////////////////////////////////////////////////////////
// //
// Lan Manager data types //
// //
/////////////////////////////////////////////////////////////////////////
//
// Define a LanManager compatible password
//
// A LanManager password is a null-terminated ansi string consisting of a
// maximum of 14 characters (not including terminator)
//
typedef CHAR * PLM_PASSWORD;
//
// Define the result of the 'One Way Function' (OWF) on a LM password
//
#define LM_OWF_PASSWORD_LENGTH (CYPHER_BLOCK_LENGTH * 2)
typedef struct _LM_OWF_PASSWORD {
CYPHER_BLOCK data[2];
} LM_OWF_PASSWORD;
typedef LM_OWF_PASSWORD * PLM_OWF_PASSWORD;
//
// Define the challenge sent by the Lanman server during logon
//
#define LM_CHALLENGE_LENGTH CLEAR_BLOCK_LENGTH
typedef CLEAR_BLOCK LM_CHALLENGE;
typedef LM_CHALLENGE * PLM_CHALLENGE;
//
// Define the response sent by redirector in response to challenge from server
//
#define LM_RESPONSE_LENGTH (CYPHER_BLOCK_LENGTH * 3)
typedef struct _LM_RESPONSE {
CYPHER_BLOCK data[3];
} LM_RESPONSE;
typedef LM_RESPONSE * PLM_RESPONSE;
//
// Define the result of the reversible encryption of an OWF'ed password.
//
#define ENCRYPTED_LM_OWF_PASSWORD_LENGTH (CYPHER_BLOCK_LENGTH * 2)
typedef struct _ENCRYPTED_LM_OWF_PASSWORD {
CYPHER_BLOCK data[2];
} ENCRYPTED_LM_OWF_PASSWORD;
typedef ENCRYPTED_LM_OWF_PASSWORD * PENCRYPTED_LM_OWF_PASSWORD;
//
// Define the session key maintained by the redirector and server
//
#define LM_SESSION_KEY_LENGTH LM_CHALLENGE_LENGTH
typedef LM_CHALLENGE LM_SESSION_KEY;
typedef LM_SESSION_KEY * PLM_SESSION_KEY;
//
// Define the index type used to encrypt OWF Passwords
//
typedef LONG CRYPT_INDEX;
typedef CRYPT_INDEX * PCRYPT_INDEX;
/////////////////////////////////////////////////////////////////////////
// //
// 'NT' encryption types that are used to duplicate existing LM //
// functionality with improved algorithms. //
// //
/////////////////////////////////////////////////////////////////////////
typedef UNICODE_STRING NT_PASSWORD;
typedef NT_PASSWORD * PNT_PASSWORD;
#define NT_OWF_PASSWORD_LENGTH LM_OWF_PASSWORD_LENGTH
typedef LM_OWF_PASSWORD NT_OWF_PASSWORD;
typedef NT_OWF_PASSWORD * PNT_OWF_PASSWORD;
#define NT_CHALLENGE_LENGTH LM_CHALLENGE_LENGTH
typedef LM_CHALLENGE NT_CHALLENGE;
typedef NT_CHALLENGE * PNT_CHALLENGE;
#define NT_RESPONSE_LENGTH LM_RESPONSE_LENGTH
typedef LM_RESPONSE NT_RESPONSE;
typedef NT_RESPONSE * PNT_RESPONSE;
#define ENCRYPTED_NT_OWF_PASSWORD_LENGTH ENCRYPTED_LM_OWF_PASSWORD_LENGTH
typedef ENCRYPTED_LM_OWF_PASSWORD ENCRYPTED_NT_OWF_PASSWORD;
typedef ENCRYPTED_NT_OWF_PASSWORD * PENCRYPTED_NT_OWF_PASSWORD;
#define NT_SESSION_KEY_LENGTH LM_SESSION_KEY_LENGTH
typedef LM_SESSION_KEY NT_SESSION_KEY;
typedef NT_SESSION_KEY * PNT_SESSION_KEY;
/////////////////////////////////////////////////////////////////////////
// //
// 'NT' encryption types for new functionality not present in LM //
// //
/////////////////////////////////////////////////////////////////////////
//
// The user session key is similar to the LM and NT session key except it
// is different for each user on the system. This allows it to be used
// for secure user communication with a server.
//
#define USER_SESSION_KEY_LENGTH (CYPHER_BLOCK_LENGTH * 2)
typedef struct _USER_SESSION_KEY {
CYPHER_BLOCK data[2];
} USER_SESSION_KEY;
typedef USER_SESSION_KEY * PUSER_SESSION_KEY;
////////////////////////////////////////////////////////////////////////////
// //
// Encryption library API macros //
// //
// To conceal the purpose of these functions to someone dumping out the //
// encryption dll they have been purposefully given unhelpful names. //
// Each has an associated macro that should be used by system components //
// to access these routines in a readable way. //
// //
////////////////////////////////////////////////////////////////////////////
#define RtlEncryptBlock SystemFunction001
#define RtlDecryptBlock SystemFunction002
#define RtlEncryptStdBlock SystemFunction003
#define RtlEncryptData SystemFunction004
#define RtlDecryptData SystemFunction005
#define RtlCalculateLmOwfPassword SystemFunction006
#define RtlCalculateNtOwfPassword SystemFunction007
#define RtlCalculateLmResponse SystemFunction008
#define RtlCalculateNtResponse SystemFunction009
#define RtlCalculateUserSessionKeyLm SystemFunction010
#define RtlCalculateUserSessionKeyNt SystemFunction011
#define RtlEncryptLmOwfPwdWithLmOwfPwd SystemFunction012
#define RtlDecryptLmOwfPwdWithLmOwfPwd SystemFunction013
#define RtlEncryptNtOwfPwdWithNtOwfPwd SystemFunction014
#define RtlDecryptNtOwfPwdWithNtOwfPwd SystemFunction015
#define RtlEncryptLmOwfPwdWithLmSesKey SystemFunction016
#define RtlDecryptLmOwfPwdWithLmSesKey SystemFunction017
#define RtlEncryptNtOwfPwdWithNtSesKey SystemFunction018
#define RtlDecryptNtOwfPwdWithNtSesKey SystemFunction019
#define RtlEncryptLmOwfPwdWithUserKey SystemFunction020
#define RtlDecryptLmOwfPwdWithUserKey SystemFunction021
#define RtlEncryptNtOwfPwdWithUserKey SystemFunction022
#define RtlDecryptNtOwfPwdWithUserKey SystemFunction023
#define RtlEncryptLmOwfPwdWithIndex SystemFunction024
#define RtlDecryptLmOwfPwdWithIndex SystemFunction025
#define RtlEncryptNtOwfPwdWithIndex SystemFunction026
#define RtlDecryptNtOwfPwdWithIndex SystemFunction027
#define RtlGetUserSessionKeyClient SystemFunction028
#define RtlGetUserSessionKeyServer SystemFunction029
#define RtlEqualLmOwfPassword SystemFunction030
#define RtlEqualNtOwfPassword SystemFunction031
#define RtlEncryptData2 SystemFunction032
#define RtlDecryptData2 SystemFunction033
////////////////////////////////////////////////////////////////////////////
// //
// Encryption library API function prototypes //
// //
////////////////////////////////////////////////////////////////////////////
//
// Core block encryption functions
//
NTSTATUS
NTAPI
RtlEncryptBlock(
IN PCLEAR_BLOCK ClearBlock,
IN PBLOCK_KEY BlockKey,
OUT PCYPHER_BLOCK CypherBlock
);
NTSTATUS
NTAPI
RtlDecryptBlock(
IN PCYPHER_BLOCK CypherBlock,
IN PBLOCK_KEY BlockKey,
OUT PCLEAR_BLOCK ClearBlock
);
NTSTATUS
RtlEncryptStdBlock(
IN PBLOCK_KEY BlockKey,
OUT PCYPHER_BLOCK CypherBlock
);
//
// Arbitrary length data encryption functions
//
NTSTATUS
NTAPI
RtlEncryptData(
IN PCLEAR_DATA ClearData,
IN PDATA_KEY DataKey,
OUT PCYPHER_DATA CypherData
);
NTSTATUS
NTAPI
RtlDecryptData(
IN PCYPHER_DATA CypherData,
IN PDATA_KEY DataKey,
OUT PCLEAR_DATA ClearData
);
//
// Faster arbitrary length data encryption functions (using RC4)
//
NTSTATUS
RtlEncryptData2(
IN OUT PCRYPT_BUFFER pData,
IN PDATA_KEY pKey
);
NTSTATUS
RtlDecryptData2(
IN OUT PCRYPT_BUFFER pData,
IN PDATA_KEY pKey
);
//
// Password hashing functions (One Way Function)
//
NTSTATUS
NTAPI
RtlCalculateLmOwfPassword(
IN PLM_PASSWORD LmPassword,
OUT PLM_OWF_PASSWORD LmOwfPassword
);
NTSTATUS
NTAPI
RtlCalculateNtOwfPassword(
IN PNT_PASSWORD NtPassword,
OUT PNT_OWF_PASSWORD NtOwfPassword
);
//
// OWF password comparison functions
//
BOOLEAN
RtlEqualLmOwfPassword(
IN PLM_OWF_PASSWORD LmOwfPassword1,
IN PLM_OWF_PASSWORD LmOwfPassword2
);
BOOLEAN
RtlEqualNtOwfPassword(
IN PNT_OWF_PASSWORD NtOwfPassword1,
IN PNT_OWF_PASSWORD NtOwfPassword2
);
//
// Functions for calculating response to server challenge
//
NTSTATUS
NTAPI
RtlCalculateLmResponse(
IN PLM_CHALLENGE LmChallenge,
IN PLM_OWF_PASSWORD LmOwfPassword,
OUT PLM_RESPONSE LmResponse
);
NTSTATUS
NTAPI
RtlCalculateNtResponse(
IN PNT_CHALLENGE NtChallenge,
IN PNT_OWF_PASSWORD NtOwfPassword,
OUT PNT_RESPONSE NtResponse
);
//
// Functions for calculating User Session Key.
//
//
// Calculate a User Session Key from LM data
//
NTSTATUS
RtlCalculateUserSessionKeyLm(
IN PLM_RESPONSE LmResponse,
IN PLM_OWF_PASSWORD LmOwfPassword,
OUT PUSER_SESSION_KEY UserSessionKey
);
//
// Calculate a User Session Key from NT data
//
NTSTATUS
NTAPI
RtlCalculateUserSessionKeyNt(
IN PNT_RESPONSE NtResponse,
IN PNT_OWF_PASSWORD NtOwfPassword,
OUT PUSER_SESSION_KEY UserSessionKey
);
//
// OwfPassword encryption functions
//
//
// Encrypt OwfPassword using OwfPassword as the key
//
NTSTATUS
RtlEncryptLmOwfPwdWithLmOwfPwd(
IN PLM_OWF_PASSWORD DataLmOwfPassword,
IN PLM_OWF_PASSWORD KeyLmOwfPassword,
OUT PENCRYPTED_LM_OWF_PASSWORD EncryptedLmOwfPassword
);
NTSTATUS
RtlDecryptLmOwfPwdWithLmOwfPwd(
IN PENCRYPTED_LM_OWF_PASSWORD EncryptedLmOwfPassword,
IN PLM_OWF_PASSWORD KeyLmOwfPassword,
OUT PLM_OWF_PASSWORD DataLmOwfPassword
);
NTSTATUS
RtlEncryptNtOwfPwdWithNtOwfPwd(
IN PNT_OWF_PASSWORD DataNtOwfPassword,
IN PNT_OWF_PASSWORD KeyNtOwfPassword,
OUT PENCRYPTED_NT_OWF_PASSWORD EncryptedNtOwfPassword
);
NTSTATUS
RtlDecryptNtOwfPwdWithNtOwfPwd(
IN PENCRYPTED_NT_OWF_PASSWORD EncryptedNtOwfPassword,
IN PNT_OWF_PASSWORD KeyNtOwfPassword,
OUT PNT_OWF_PASSWORD DataNtOwfPassword
);
//
// Encrypt OwfPassword using SessionKey as the key
//
NTSTATUS
RtlEncryptLmOwfPwdWithLmSesKey(
IN PLM_OWF_PASSWORD LmOwfPassword,
IN PLM_SESSION_KEY LmSessionKey,
OUT PENCRYPTED_LM_OWF_PASSWORD EncryptedLmOwfPassword
);
NTSTATUS
RtlDecryptLmOwfPwdWithLmSesKey(
IN PENCRYPTED_LM_OWF_PASSWORD EncryptedLmOwfPassword,
IN PLM_SESSION_KEY LmSessionKey,
OUT PLM_OWF_PASSWORD LmOwfPassword
);
NTSTATUS
RtlEncryptNtOwfPwdWithNtSesKey(
IN PNT_OWF_PASSWORD NtOwfPassword,
IN PNT_SESSION_KEY NtSessionKey,
OUT PENCRYPTED_NT_OWF_PASSWORD EncryptedNtOwfPassword
);
NTSTATUS
RtlDecryptNtOwfPwdWithNtSesKey(
IN PENCRYPTED_NT_OWF_PASSWORD EncryptedNtOwfPassword,
IN PNT_SESSION_KEY NtSessionKey,
OUT PNT_OWF_PASSWORD NtOwfPassword
);
//
// Encrypt OwfPassword using UserSessionKey as the key
//
NTSTATUS
RtlEncryptLmOwfPwdWithUserKey(
IN PLM_OWF_PASSWORD LmOwfPassword,
IN PUSER_SESSION_KEY UserSessionKey,
OUT PENCRYPTED_LM_OWF_PASSWORD EncryptedLmOwfPassword
);
NTSTATUS
RtlDecryptLmOwfPwdWithUserKey(
IN PENCRYPTED_LM_OWF_PASSWORD EncryptedLmOwfPassword,
IN PUSER_SESSION_KEY UserSessionKey,
OUT PLM_OWF_PASSWORD LmOwfPassword
);
NTSTATUS
RtlEncryptNtOwfPwdWithUserKey(
IN PNT_OWF_PASSWORD NtOwfPassword,
IN PUSER_SESSION_KEY UserSessionKey,
OUT PENCRYPTED_NT_OWF_PASSWORD EncryptedNtOwfPassword
);
NTSTATUS
RtlDecryptNtOwfPwdWithUserKey(
IN PENCRYPTED_NT_OWF_PASSWORD EncryptedNtOwfPassword,
IN PUSER_SESSION_KEY UserSessionKey,
OUT PNT_OWF_PASSWORD NtOwfPassword
);
//
// Encrypt OwfPassword using an index as the key
//
NTSTATUS
RtlEncryptLmOwfPwdWithIndex(
IN PLM_OWF_PASSWORD LmOwfPassword,
IN PCRYPT_INDEX Index,
OUT PENCRYPTED_LM_OWF_PASSWORD EncryptedLmOwfPassword
);
NTSTATUS
RtlDecryptLmOwfPwdWithIndex(
IN PENCRYPTED_LM_OWF_PASSWORD EncryptedLmOwfPassword,
IN PCRYPT_INDEX Index,
OUT PLM_OWF_PASSWORD LmOwfPassword
);
NTSTATUS
RtlEncryptNtOwfPwdWithIndex(
IN PNT_OWF_PASSWORD NtOwfPassword,
IN PCRYPT_INDEX Index,
OUT PENCRYPTED_NT_OWF_PASSWORD EncryptedNtOwfPassword
);
NTSTATUS
RtlDecryptNtOwfPwdWithIndex(
IN PENCRYPTED_NT_OWF_PASSWORD EncryptedNtOwfPassword,
IN PCRYPT_INDEX Index,
OUT PNT_OWF_PASSWORD NtOwfPassword
);
//
// Get the user session key for an RPC connection
//
#ifndef MIDL_PASS // Don't confuse MIDL
NTSTATUS
RtlGetUserSessionKeyClient(
IN PVOID RpcContextHandle OPTIONAL,
OUT PUSER_SESSION_KEY UserSessionKey
);
NTSTATUS
RtlGetUserSessionKeyServer(
IN PVOID RpcContextHandle OPTIONAL,
OUT PUSER_SESSION_KEY UserSessionKey
);
#endif // MIDL_PASS
#endif // _NTCRYPT_
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