encode.c File Reference

#include <rtl.h>
#include <debug.h>

Include dependency graph for encode.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
VOID NTAPI	RtlRunDecodeUnicodeString (IN UCHAR Hash, IN OUT PUNICODE_STRING String)
VOID NTAPI	RtlRunEncodeUnicodeString (IN OUT PUCHAR Hash, IN OUT PUNICODE_STRING String)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 14 of file encode.c.

Function Documentation

RtlRunDecodeUnicodeString()

VOID NTAPI RtlRunDecodeUnicodeString	(	IN UCHAR	Hash,
		IN OUT PUNICODE_STRING	String
	)

Definition at line 20 of file encode.c.

{
   PUCHAR ptr;
   USHORT i;
 
   ptr = (PUCHAR)String->Buffer;
   if (String->Length > 1)
   {
      for (i = String->Length; i > 1; i--)
      {
         ptr[i - 1] ^= ptr[i - 2] ^ Hash;
      }
   }
 
   if (String->Length >= 1)
   {
      ptr[0] ^= Hash | (UCHAR)0x43;
   }
}

Referenced by LsaApLogonUserEx2().

RtlRunEncodeUnicodeString()

VOID NTAPI RtlRunEncodeUnicodeString	(	IN OUT PUCHAR	Hash,
		IN OUT PUNICODE_STRING	String
	)

Definition at line 43 of file encode.c.

{
   LARGE_INTEGER CurrentTime;
   PUCHAR ptr;
   USHORT i;
   NTSTATUS Status;
 
   ptr = (PUCHAR) String->Buffer;
   if (*Hash == 0)
   {
      Status = NtQuerySystemTime (&CurrentTime);
      if (NT_SUCCESS(Status))
      {
         for (i = 1; i < sizeof(LARGE_INTEGER) && (*Hash == 0); i++)
            *Hash |= *(PUCHAR)(((PUCHAR)&CurrentTime) + i);
      }
 
      if (*Hash == 0)
         *Hash = 1;
   }
 
   if (String->Length >= 1)
   {
      ptr[0] ^= (*Hash) | (UCHAR)0x43;
      if (String->Length > 1)
      {
         for (i = 1; i < String->Length; i++)
         {
            ptr[i] ^= ptr[i - 1] ^ (*Hash);
         }
      }
   }
}