md4.h File Reference

Unix SMB/CIFS implementation. More...

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Functions
void	mdfour_ntlmssp (unsigned char *out, const unsigned char *in, int n)

Detailed Description

Unix SMB/CIFS implementation.

A implementation of MD4 designed for use in the SMB authentication protocol

Definition in file md4.h.

Function Documentation

mdfour_ntlmssp()

void mdfour_ntlmssp	(	unsigned char *	out,
		const unsigned char *	in,
		int	n )

Definition at line 165 of file md4.c.

{
  unsigned char buf[128];
  uint32 M[16];
  uint32 b = n * 8;
  int i;
 
  A = 0x67452301;
  B = 0xefcdab89;
  C = 0x98badcfe;
  D = 0x10325476;
 
  while (n > 64)
    {
      copy64_ntlmssp (M, in);
      mdfour64_ntlmssp (M);
      in += 64;
      n -= 64;
    }
 
  for (i = 0; i < 128; i++)
    buf[i] = 0;
  memcpy (buf, in, n);
  buf[n] = 0x80;
 
  if (n <= 55)
    {
      copy4_ntlmssp (buf + 56, b);
      copy64_ntlmssp (M, buf);
      mdfour64_ntlmssp (M);
    }
  else
    {
      copy4_ntlmssp (buf + 120, b);
      copy64_ntlmssp (M, buf);
      mdfour64_ntlmssp (M);
      copy64_ntlmssp (M, buf + 64);
      mdfour64_ntlmssp (M);
    }
 
  for (i = 0; i < 128; i++)
    buf[i] = 0;
  copy64_ntlmssp (M, buf);
 
  copy4_ntlmssp (out, A);
  copy4_ntlmssp (out + 4, B);
  copy4_ntlmssp (out + 8, C);
  copy4_ntlmssp (out + 12, D);
 
  A = B = C = D = 0;
}

References A, B, C, copy4_ntlmssp(), copy64_ntlmssp(), D, mdfour64_ntlmssp(), and uint32.

Referenced by do_filehash_ntlmssp(), generate_random_buffer_ntlmssp(), and SMBsesskeygen_ntv1_ntlmssp().

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