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827 lines
18 KiB
827 lines
18 KiB
//+-----------------------------------------------------------------------
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//
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// File: rc4crypt.c
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//
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// Contents: CryptoSystem wrapper functions for RC4 hmac
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//
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//
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// History: 02-Nov-1998 MikeSw Created
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//
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//------------------------------------------------------------------------
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#ifndef KERNEL_MODE
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#else
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#include <ntifs.h>
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#endif
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#include <string.h>
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#include <malloc.h>
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#include <kerbcon.h>
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#include <security.h>
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#include <cryptdll.h>
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#include <rc4.h>
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#include <md4.h>
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#include <md5.h>
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typedef struct RC4_KEYSTRUCT RC4KEY;
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#define RC4_CONFOUNDER_LEN 8
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typedef struct _RC4_MDx_HEADER {
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UCHAR Checksum[MD5_LEN];
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UCHAR Confounder[RC4_CONFOUNDER_LEN];
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} RC4_MDx_HEADER, *PRC4_MDx_HEADER;
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typedef struct _RC4_STATE_BUFFER {
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UCHAR BaseKey[MD5_LEN];
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RC4KEY Key;
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} RC4_STATE_BUFFER, *PRC4_STATE_BUFFER;
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typedef struct _RC4_HMAC_STATE_BUFFER {
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UCHAR Key[MD5_LEN];
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} RC4_HMAC_STATE_BUFFER, *PRC4_HMAC_STATE_BUFFER;
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NTSTATUS NTAPI rc4PlainInitialize(PUCHAR, ULONG, ULONG, PCRYPT_STATE_BUFFER *);
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NTSTATUS NTAPI rc4PlainExpInitialize(PUCHAR, ULONG, ULONG, PCRYPT_STATE_BUFFER *);
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NTSTATUS NTAPI rc4HmacInitialize(PUCHAR, ULONG, ULONG, PCRYPT_STATE_BUFFER *);
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NTSTATUS NTAPI rc4HmacExpInitialize(PUCHAR, ULONG, ULONG, PCRYPT_STATE_BUFFER *);
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NTSTATUS NTAPI rc4HmacEncrypt(PCRYPT_STATE_BUFFER, PUCHAR, ULONG, PUCHAR, PULONG);
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NTSTATUS NTAPI rc4HmacDecrypt(PCRYPT_STATE_BUFFER, PUCHAR, ULONG, PUCHAR, PULONG);
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NTSTATUS NTAPI rc4HmacPlainEncrypt(PCRYPT_STATE_BUFFER, PUCHAR, ULONG, PUCHAR, PULONG);
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NTSTATUS NTAPI rc4HmacPlainDecrypt(PCRYPT_STATE_BUFFER, PUCHAR, ULONG, PUCHAR, PULONG);
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NTSTATUS NTAPI rc4HmacFinish(PCRYPT_STATE_BUFFER *);
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NTSTATUS NTAPI rc4HmacControl(ULONG, PCRYPT_STATE_BUFFER, PUCHAR, ULONG);
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NTSTATUS NTAPI rc4HmacPlainControl(ULONG, PCRYPT_STATE_BUFFER, PUCHAR, ULONG);
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NTSTATUS NTAPI rc4HmacRandomKey(PUCHAR, ULONG, PUCHAR);
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NTSTATUS NTAPI rc4HmacHashPassword(PSECURITY_STRING, PUCHAR );
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#ifdef KERNEL_MODE
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#pragma alloc_text(PAGEMSG, rc4PlainInitialize)
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#pragma alloc_text(PAGEMSG, rc4PlainExpInitialize )
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#pragma alloc_text(PAGEMSG, rc4HmacInitialize )
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#pragma alloc_text(PAGEMSG, rc4HmacExpInitialize )
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#pragma alloc_text(PAGEMSG, rc4HmacEncrypt )
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#pragma alloc_text(PAGEMSG, rc4HmacDecrypt )
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#pragma alloc_text(PAGEMSG, rc4HmacPlainEncrypt )
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#pragma alloc_text(PAGEMSG, rc4HmacPlainDecrypt )
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#pragma alloc_text(PAGEMSG, rc4HmacFinish )
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#pragma alloc_text(PAGEMSG, rc4HmacControl )
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#pragma alloc_text(PAGEMSG, rc4HmacPlainControl )
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#pragma alloc_text(PAGEMSG, rc4HmacRandomKey )
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#pragma alloc_text(PAGEMSG, rc4HmacHashPassword )
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#endif
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CRYPTO_SYSTEM csRC4_HMAC = {
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KERB_ETYPE_RC4_HMAC_NT, // Etype
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1, // Blocksize (stream)
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KERB_ETYPE_RC4_HMAC_NT_EXP, // Exportable version
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MD4_LEN, // Key size, in bytes
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sizeof(RC4_MDx_HEADER), // header size
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KERB_CHECKSUM_MD4, // Preferred Checksum
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CSYSTEM_INTEGRITY_PROTECTED, // attributes
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L"RSADSI RC4-HMAC", // Text name
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rc4HmacInitialize,
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rc4HmacEncrypt,
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rc4HmacDecrypt,
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rc4HmacFinish,
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rc4HmacHashPassword,
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rc4HmacRandomKey,
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rc4HmacControl
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};
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//
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// This is not actually export strength - it is a signal that the
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// plain version is export strength
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//
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CRYPTO_SYSTEM csRC4_HMAC_EXP = {
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KERB_ETYPE_RC4_HMAC_NT_EXP, // Etype
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1, // Blocksize (stream)
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KERB_ETYPE_RC4_HMAC_NT_EXP, // Exportable version
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MD4_LEN, // Key size, in bytes
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sizeof(RC4_MDx_HEADER), // header size
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KERB_CHECKSUM_MD4, // Preferred Checksum
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CSYSTEM_INTEGRITY_PROTECTED | CSYSTEM_EXPORT_STRENGTH, // attributes
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L"RSADSI RC4-HMAC", // Text name
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rc4HmacInitialize,
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rc4HmacEncrypt,
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rc4HmacDecrypt,
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rc4HmacFinish,
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rc4HmacHashPassword,
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rc4HmacRandomKey,
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rc4HmacControl
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};
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CRYPTO_SYSTEM csRC4_PLAIN = {
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KERB_ETYPE_RC4_PLAIN, // Etype
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1, // Blocksize (stream)
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KERB_ETYPE_RC4_PLAIN_EXP, // exportable version
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MD4_LEN, // Key size, in bytes
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0, // header size
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KERB_CHECKSUM_MD4, // Preferred Checksum
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0, // no attributes
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L"RSADSI RC4", // Text name
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rc4PlainInitialize,
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rc4HmacPlainEncrypt,
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rc4HmacPlainDecrypt,
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rc4HmacFinish,
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rc4HmacHashPassword,
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rc4HmacRandomKey,
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rc4HmacPlainControl
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};
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CRYPTO_SYSTEM csRC4_PLAIN_EXP = {
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KERB_ETYPE_RC4_PLAIN_EXP, // Etype
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1, // Blocksize (stream)
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KERB_ETYPE_RC4_PLAIN_EXP, // exportable version
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MD4_LEN, // Key size, in bytes
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0, // header size
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KERB_CHECKSUM_MD4, // Preferred Checksum
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CSYSTEM_EXPORT_STRENGTH, // no attributes
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L"RSADSI RC4-EXP", // Text name
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rc4PlainExpInitialize,
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rc4HmacPlainEncrypt,
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rc4HmacPlainDecrypt,
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rc4HmacFinish,
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rc4HmacHashPassword,
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rc4HmacRandomKey,
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rc4HmacPlainControl
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};
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NTSTATUS NTAPI
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rc4HmacHashPassword(
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IN PSECURITY_STRING Password,
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OUT PUCHAR Key
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)
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{
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PCHECKSUM_FUNCTION SumFunction;
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PCHECKSUM_BUFFER Buffer;
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NTSTATUS Status;
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Status = CDLocateCheckSum(KERB_CHECKSUM_MD4, &SumFunction);
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if (!NT_SUCCESS(Status))
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{
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return(SEC_E_CHECKSUM_NOT_SUPP);
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}
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Status = SumFunction->Initialize(0, &Buffer);
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if (!NT_SUCCESS(Status))
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{
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return(Status);
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}
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(void) SumFunction->Sum(Buffer, Password->Length, (PUCHAR) Password->Buffer);
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(void) SumFunction->Finalize(Buffer, Key);
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(void) SumFunction->Finish(&Buffer);
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return(STATUS_SUCCESS);
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// RC4 HMAC crypt type
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//
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//////////////////////////////////////////////////////////////////////////
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BOOLEAN static
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md5Hmac(
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IN PUCHAR pbKeyMaterial,
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IN ULONG cbKeyMaterial,
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IN PUCHAR pbData,
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IN ULONG cbData,
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IN PUCHAR pbData2,
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IN ULONG cbData2,
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OUT PUCHAR HmacData
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)
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{
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BOOLEAN fRet = FALSE;
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#define HMAC_K_PADSIZE 64
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UCHAR Kipad[HMAC_K_PADSIZE];
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UCHAR Kopad[HMAC_K_PADSIZE];
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UCHAR HMACTmp[HMAC_K_PADSIZE+MD5_LEN];
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ULONG dwBlock;
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MD5_CTX Md5Hash;
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// truncate
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if (cbKeyMaterial > HMAC_K_PADSIZE)
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cbKeyMaterial = HMAC_K_PADSIZE;
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RtlZeroMemory(Kipad, HMAC_K_PADSIZE);
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RtlCopyMemory(Kipad, pbKeyMaterial, cbKeyMaterial);
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RtlZeroMemory(Kopad, HMAC_K_PADSIZE);
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RtlCopyMemory(Kopad, pbKeyMaterial, cbKeyMaterial);
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//
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// Kipad, Kopad are padded sMacKey. Now XOR across...
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//
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for(dwBlock=0; dwBlock<HMAC_K_PADSIZE/sizeof(ULONG); dwBlock++)
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{
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((ULONG*)Kipad)[dwBlock] ^= 0x36363636;
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((ULONG*)Kopad)[dwBlock] ^= 0x5C5C5C5C;
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}
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//
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// prepend Kipad to data, Hash to get H1
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//
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MD5Init(&Md5Hash);
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MD5Update(&Md5Hash, Kipad, HMAC_K_PADSIZE);
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if (cbData != 0)
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{
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MD5Update(&Md5Hash, pbData, cbData);
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}
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if (cbData2 != 0)
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{
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MD5Update(&Md5Hash, pbData2, cbData2);
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}
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// Finish off the hash
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MD5Final(&Md5Hash);
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// prepend Kopad to H1, hash to get HMAC
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RtlCopyMemory(HMACTmp, Kopad, HMAC_K_PADSIZE);
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RtlCopyMemory(HMACTmp+HMAC_K_PADSIZE, Md5Hash.digest, MD5_LEN);
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// final hash: output value into passed-in buffer
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MD5Init(&Md5Hash);
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MD5Update(&Md5Hash,HMACTmp, sizeof(HMACTmp));
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MD5Final(&Md5Hash);
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RtlCopyMemory(
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HmacData,
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Md5Hash.digest,
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MD5_LEN
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);
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return TRUE;
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}
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NTSTATUS NTAPI
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rc4HmacBaseInitialize(
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IN PUCHAR pbKey,
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IN ULONG KeySize,
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IN ULONG MessageType,
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IN BOOLEAN Exportable,
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OUT PCRYPT_STATE_BUFFER * psbBuffer
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)
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{
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PRC4_HMAC_STATE_BUFFER StateBuffer = NULL;
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ULONG LocalKeySize = 0;
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//
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// Compute the HMAC pad
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//
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#ifdef KERNEL_MODE
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StateBuffer = (PRC4_HMAC_STATE_BUFFER) ExAllocatePool(NonPagedPool, sizeof(RC4_HMAC_STATE_BUFFER));
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#else
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StateBuffer = (PRC4_HMAC_STATE_BUFFER) LocalAlloc(0, sizeof(RC4_HMAC_STATE_BUFFER));
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#endif
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if (StateBuffer == NULL)
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{
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return(STATUS_INSUFFICIENT_RESOURCES);
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}
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//
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// If the key is not exportable, shrink it first
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//
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if (!Exportable)
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{
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md5Hmac(
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pbKey,
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KeySize,
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(PUCHAR) &MessageType,
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sizeof(ULONG),
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NULL,
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0,
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StateBuffer->Key
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);
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LocalKeySize = MD5_LEN;
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}
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else
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{
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md5Hmac(
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pbKey,
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KeySize,
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"fiftysixbits",
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sizeof("fiftysixbits"),
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(PUCHAR) &MessageType,
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sizeof(ULONG),
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StateBuffer->Key
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);
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LocalKeySize = 5; // 40 bits
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}
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//
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// Pad exportable keys with 0xababab
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//
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ASSERT(MD5_LEN >= LocalKeySize);
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memset(
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StateBuffer->Key+LocalKeySize,
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0xab,
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MD5_LEN-LocalKeySize
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);
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*psbBuffer = StateBuffer;
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return(STATUS_SUCCESS);
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}
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NTSTATUS NTAPI
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rc4HmacInitialize(
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IN PUCHAR pbKey,
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IN ULONG KeySize,
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IN ULONG MessageType,
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OUT PCRYPT_STATE_BUFFER * psbBuffer
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)
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{
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return(rc4HmacBaseInitialize(
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pbKey,
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KeySize,
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MessageType,
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FALSE, // not exportable
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psbBuffer
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));
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}
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NTSTATUS NTAPI
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rc4HmacPlainBaseInitialize(
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IN PUCHAR pbKey,
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IN ULONG KeySize,
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IN ULONG MessageType,
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IN BOOLEAN Exportable,
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OUT PCRYPT_STATE_BUFFER * psbBuffer
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)
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{
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PRC4_STATE_BUFFER StateBuffer = NULL;
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ULONG LocalKeySize = 0;
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//
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// Compute the HMAC pad
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//
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#ifdef KERNEL_MODE
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StateBuffer = (PRC4_STATE_BUFFER) ExAllocatePool(NonPagedPool, sizeof(RC4_STATE_BUFFER));
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#else
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StateBuffer = (PRC4_STATE_BUFFER) LocalAlloc(0, sizeof(RC4_STATE_BUFFER));
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#endif
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if (StateBuffer == NULL)
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{
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return(STATUS_INSUFFICIENT_RESOURCES);
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}
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//
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// If the key is not exportable, shrink it first
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//
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if (!Exportable)
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{
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md5Hmac(
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pbKey,
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KeySize,
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(PUCHAR) &MessageType,
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sizeof(ULONG),
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NULL,
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0,
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StateBuffer->BaseKey
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);
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LocalKeySize = MD5_LEN;
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}
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else
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{
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md5Hmac(
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pbKey,
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KeySize,
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"fortybits",
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sizeof("fortybits"),
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(PUCHAR) &MessageType,
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sizeof(ULONG),
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StateBuffer->BaseKey
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);
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LocalKeySize = 7; // 56 bits
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}
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//
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// Pad exportable keys with 0xababab
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//
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ASSERT(MD5_LEN >= LocalKeySize);
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memset(
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StateBuffer->BaseKey+LocalKeySize,
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0xab,
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MD5_LEN-LocalKeySize
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);
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//
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// Create the encryption key
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//
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rc4_key(
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&StateBuffer->Key,
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MD5_LEN,
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StateBuffer->BaseKey
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);
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*psbBuffer = StateBuffer;
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return(STATUS_SUCCESS);
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}
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NTSTATUS NTAPI
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rc4PlainInitialize(
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IN PUCHAR pbKey,
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IN ULONG KeySize,
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IN ULONG MessageType,
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OUT PCRYPT_STATE_BUFFER * psbBuffer
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)
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{
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return(rc4HmacPlainBaseInitialize(
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pbKey,
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KeySize,
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MessageType,
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FALSE, // not exportable
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psbBuffer
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));
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}
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|
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NTSTATUS NTAPI
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rc4PlainExpInitialize(
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IN PUCHAR pbKey,
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IN ULONG KeySize,
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IN ULONG MessageType,
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OUT PCRYPT_STATE_BUFFER * psbBuffer
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)
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{
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return(rc4HmacPlainBaseInitialize(
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pbKey,
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KeySize, // only use 40 bites
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MessageType,
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TRUE, // exportable
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psbBuffer
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));
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}
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|
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NTSTATUS NTAPI
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rc4HmacControl(
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IN ULONG Function,
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IN PCRYPT_STATE_BUFFER StateBuffer,
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IN PUCHAR InputBuffer,
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IN ULONG InputBufferSize
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)
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{
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PRC4_HMAC_STATE_BUFFER HmacStateBuffer = (PRC4_HMAC_STATE_BUFFER) StateBuffer;
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if (Function == CRYPT_CONTROL_SET_INIT_VECT)
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{
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md5Hmac(
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HmacStateBuffer->Key,
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MD5_LEN,
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InputBuffer,
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InputBufferSize,
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NULL,
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0,
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HmacStateBuffer->Key
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);
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}
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else
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{
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return(STATUS_INVALID_PARAMETER);
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}
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return(STATUS_SUCCESS);
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}
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|
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NTSTATUS NTAPI
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rc4HmacPlainControl(
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IN ULONG Function,
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IN PCRYPT_STATE_BUFFER StateBuffer,
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IN PUCHAR InputBuffer,
|
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IN ULONG InputBufferSize
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)
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{
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PRC4_STATE_BUFFER HmacStateBuffer = (PRC4_STATE_BUFFER) StateBuffer;
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|
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if (Function == CRYPT_CONTROL_SET_INIT_VECT)
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{
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//
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// create the new initial key
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//
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md5Hmac(
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HmacStateBuffer->BaseKey,
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MD5_LEN,
|
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InputBuffer,
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InputBufferSize,
|
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NULL,
|
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0,
|
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HmacStateBuffer->BaseKey
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);
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|
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//
|
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// Create the encryption key
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//
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|
|
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rc4_key(
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&HmacStateBuffer->Key,
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MD5_LEN,
|
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HmacStateBuffer->BaseKey
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);
|
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|
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}
|
|
else
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{
|
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return(STATUS_INVALID_PARAMETER);
|
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}
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|
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return(STATUS_SUCCESS);
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}
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|
NTSTATUS NTAPI
|
|
rc4HmacEncrypt(
|
|
IN PCRYPT_STATE_BUFFER psbBuffer,
|
|
IN PUCHAR pbInput,
|
|
IN ULONG cbInput,
|
|
OUT PUCHAR pbOutput,
|
|
OUT PULONG cbOutput
|
|
)
|
|
{
|
|
PRC4_HMAC_STATE_BUFFER StateBuffer = (PRC4_HMAC_STATE_BUFFER) psbBuffer;
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|
PRC4_MDx_HEADER CryptHeader = (PRC4_MDx_HEADER) pbOutput;
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|
UCHAR LocalKey[MD5_LEN];
|
|
ULONG Offset = 0;
|
|
RC4KEY Rc4Key;
|
|
|
|
Offset = sizeof(RC4_MDx_HEADER);
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|
RtlMoveMemory(
|
|
pbOutput + Offset,
|
|
pbInput,
|
|
cbInput
|
|
);
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|
*cbOutput = cbInput + Offset;
|
|
|
|
//
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|
// Create the header - the confounder & checksum
|
|
//
|
|
|
|
RtlZeroMemory(
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|
CryptHeader->Checksum,
|
|
MD5_LEN
|
|
);
|
|
|
|
CDGenerateRandomBits(
|
|
CryptHeader->Confounder,
|
|
RC4_CONFOUNDER_LEN
|
|
);
|
|
|
|
//
|
|
// Checksum everything but the checksum
|
|
//
|
|
|
|
md5Hmac(
|
|
StateBuffer->Key,
|
|
MD5_LEN,
|
|
pbOutput+MD5_LEN,
|
|
*cbOutput-MD5_LEN,
|
|
NULL,
|
|
0,
|
|
CryptHeader->Checksum
|
|
);
|
|
|
|
|
|
//
|
|
// HMAC the checksum into the key
|
|
//
|
|
|
|
md5Hmac(
|
|
StateBuffer->Key,
|
|
MD5_LEN,
|
|
CryptHeader->Checksum,
|
|
MD5_LEN,
|
|
NULL,
|
|
0,
|
|
LocalKey
|
|
);
|
|
|
|
rc4_key(
|
|
&Rc4Key,
|
|
MD5_LEN,
|
|
LocalKey
|
|
);
|
|
|
|
//
|
|
// Encrypt everything but the checksum
|
|
//
|
|
|
|
rc4(&Rc4Key, *cbOutput-MD5_LEN, pbOutput+MD5_LEN);
|
|
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
rc4HmacDecrypt( PCRYPT_STATE_BUFFER psbBuffer,
|
|
PUCHAR pbInput,
|
|
ULONG cbInput,
|
|
PUCHAR pbOutput,
|
|
PULONG cbOutput)
|
|
{
|
|
PRC4_HMAC_STATE_BUFFER StateBuffer = (PRC4_HMAC_STATE_BUFFER) psbBuffer;
|
|
RC4_MDx_HEADER TempHeader;
|
|
UCHAR TempChecksum[MD5_LEN];
|
|
ULONG Offset = sizeof(RC4_MDx_HEADER);
|
|
UCHAR LocalKey[MD5_LEN];
|
|
RC4KEY Rc4Key;
|
|
|
|
|
|
if (cbInput < Offset)
|
|
{
|
|
return(STATUS_INVALID_PARAMETER);
|
|
}
|
|
|
|
//
|
|
// Copy the input to the output before decrypting
|
|
//
|
|
|
|
RtlCopyMemory(
|
|
&TempHeader,
|
|
pbInput,
|
|
Offset
|
|
);
|
|
|
|
*cbOutput = cbInput - Offset;
|
|
RtlMoveMemory(
|
|
pbOutput,
|
|
pbInput + Offset,
|
|
*cbOutput
|
|
);
|
|
|
|
|
|
//
|
|
// Build the decryption key from the checksum and the
|
|
// real key
|
|
//
|
|
|
|
md5Hmac(
|
|
StateBuffer->Key,
|
|
MD5_LEN,
|
|
TempHeader.Checksum,
|
|
MD5_LEN,
|
|
NULL,
|
|
0,
|
|
LocalKey
|
|
);
|
|
|
|
rc4_key(
|
|
&Rc4Key,
|
|
MD5_LEN,
|
|
LocalKey
|
|
);
|
|
|
|
|
|
//
|
|
// Now decrypt the two buffers
|
|
//
|
|
|
|
|
|
rc4(
|
|
&Rc4Key,
|
|
Offset - MD5_LEN,
|
|
TempHeader.Confounder
|
|
);
|
|
|
|
|
|
rc4(
|
|
&Rc4Key,
|
|
*cbOutput,
|
|
pbOutput
|
|
);
|
|
|
|
//
|
|
// Now verify the checksum. First copy it out of the way, zero the
|
|
// header
|
|
//
|
|
|
|
|
|
md5Hmac(
|
|
StateBuffer->Key,
|
|
MD5_LEN,
|
|
TempHeader.Confounder,
|
|
Offset-MD5_LEN,
|
|
pbOutput,
|
|
*cbOutput,
|
|
TempChecksum
|
|
);
|
|
|
|
if (RtlEqualMemory(
|
|
TempHeader.Checksum,
|
|
TempChecksum,
|
|
MD5_LEN
|
|
) != TRUE)
|
|
{
|
|
return(STATUS_UNSUCCESSFUL);
|
|
}
|
|
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
rc4HmacPlainEncrypt(
|
|
IN PCRYPT_STATE_BUFFER psbBuffer,
|
|
IN PUCHAR pbInput,
|
|
IN ULONG cbInput,
|
|
OUT PUCHAR pbOutput,
|
|
OUT PULONG cbOutput
|
|
)
|
|
{
|
|
PRC4_STATE_BUFFER StateBuffer = (PRC4_STATE_BUFFER) psbBuffer;
|
|
|
|
*cbOutput = cbInput;
|
|
rc4(
|
|
&StateBuffer->Key,
|
|
cbInput,
|
|
pbInput
|
|
);
|
|
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
rc4HmacPlainDecrypt(
|
|
IN PCRYPT_STATE_BUFFER psbBuffer,
|
|
IN PUCHAR pbInput,
|
|
IN ULONG cbInput,
|
|
OUT PUCHAR pbOutput,
|
|
OUT PULONG cbOutput
|
|
)
|
|
{
|
|
PRC4_STATE_BUFFER StateBuffer = (PRC4_STATE_BUFFER) psbBuffer;
|
|
|
|
*cbOutput = cbInput;
|
|
|
|
rc4(
|
|
&StateBuffer->Key,
|
|
*cbOutput,
|
|
pbOutput
|
|
);
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
rc4HmacFinish( PCRYPT_STATE_BUFFER * psbBuffer)
|
|
{
|
|
#ifdef KERNEL_MODE
|
|
ExFreePool(*psbBuffer);
|
|
#else
|
|
LocalFree(*psbBuffer);
|
|
#endif
|
|
*psbBuffer = NULL;
|
|
return(STATUS_SUCCESS);
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
rc4HmacRandomKey(
|
|
IN OPTIONAL PUCHAR Seed,
|
|
IN ULONG SeedLength,
|
|
OUT PUCHAR pbKey
|
|
)
|
|
{
|
|
CDGenerateRandomBits(pbKey,MD5_LEN);
|
|
|
|
return(STATUS_SUCCESS);
|
|
|
|
}
|