--- pgp/src/mpiio.h	2018/04/24 16:37:53	1.1.1.1
+++ pgp/src/mpiio.h	2018/04/24 16:45:39	1.1.1.8
@@ -23,21 +23,17 @@
 
 /*--------------------- Byte ordering stuff -------------------*/
 
+/* XLOWFIRST is defined iff external file format is LSB-first byteorder */
+/* #define XLOWFIRST */ /* defined if external byteorder is LSB-first */
+
 #ifdef NEEDSWAP
 #undef NEEDSWAP	/* make sure NEEDSWAP is initially undefined */
 #endif
 
-#ifdef XLOWFIRST
-#ifdef HIGHFIRST
-#define NEEDSWAP /* External/internal byteorder differs, need byte swap */
-#endif
-#endif
-
-#ifndef XLOWFIRST
+/* Assume MSB external byte ordering */
 #ifndef HIGHFIRST
 #define NEEDSWAP /* External/internal byteorder differs, need byte swap */
 #endif
-#endif
 
 
 word16 fetch_word16(byte *buf);
@@ -73,9 +69,6 @@ byte *put_word32(word32 w, byte *buf);
 
 #include <string.h>
 
-#define fill0(buffer,count)	memset( buffer, 0, count )
-	/* Zero-fill the byte buffer. */
-
 #ifdef EMBEDDED
 int putchar(int c);		/* standard C library function from <stdio.h> */
 #endif	/* EMBEDDED */
@@ -87,12 +80,9 @@ int str2reg(unitptr reg,string digitstr)
 	/* Converts a possibly-signed digit string into a large binary number.
 	   Returns assumed radix, derived from suffix 'h','o',b','.' */
 
-void putstr(string s); /* Put out null-terminated ASCII string via putchar. */
-void puthexbyte(byte b); /* Put out byte in ASCII hex via putchar. */
-void puthexw16(word16 w); /* Put out 16-bit word in hex, high byte first. */
-
 int display_in_base(string s,unitptr n,short radix);
-	/* Display n in any base, such as base 10.  Returns number of digits. */
+	/* Display n in any base, such as base 10.  Returns number
+	   of digits. */
 
 void mp_display(string s,unitptr r);
 	/* Display register r in hex, with prefix string s. */
@@ -107,19 +97,12 @@ void hiloswap(byteptr r1,short numbytes)
 	/* Reverses the order of bytes in an array of bytes. */
 
 short mpi2reg(register unitptr r, register byteptr buf);
-	/* Converts to unit array from byte array with bit length prefix word. */
+	/* Converts to unit array from byte array with bit length prefix
+	   word. */
 
 short reg2mpi(register byteptr buf, register unitptr r);
-	/* Converts from unit array to byte array with bit length prefix word. */
-
-short preblock(unitptr outreg, byteptr inbuf, short bytecount,
-	unitptr modulus, byteptr randompad);
-	/* Converts plaintext block into form suitable for RSA encryption. */
-
-short postunblock(byteptr outbuf, unitptr inreg, unitptr modulus);
-	/*	Converts a just-decrypted RSA block back 
-		into unblocked plaintext form. */
-
+	/* Converts from unit array to byte array with bit length prefix
+	   word. */
 
 /****************** end of MPI I/O library ************************/