libs/libzrtp/third_party/bnlib/lbn68020.h

   1 /*
   2  * Copyright (c) 1995  Colin Plumb.  All rights reserved.
   3  * For licensing and other legal details, see the file legal.c.
   4  *
   5  * lbn68020.h - 32-bit bignum primitives for the 68020 (or 683xx) processors.
   6  *
   7  * These primitives use little-endian word order.
   8  * (The order of bytes within words is irrelevant.)
   9  */
  10 #define BN_LITTLE_ENDIAN 1
  11
  12 typedef unsigned long bnword32;
  13 #define BNWORD32 bnword32
  14
  15 bnword32 lbnSub1_32(bnword32 *num, unsigned len, bnword32 borrow);
  16 bnword32 lbnAdd1_32(bnword32 *num, unsigned len, bnword32 carry);
  17 void lbnMulN1_32(bnword32 *out, bnword32 const *in, unsigned len, bnword32 k);
  18 bnword32
  19 lbnMulAdd1_32(bnword32 *out, bnword32 const *in, unsigned len, bnword32 k);
  20 bnword32
  21 lbnMulSub1_32(bnword32 *out, bnword32 const *in, unsigned len, bnword32 k);
  22 bnword32 lbnDiv21_32(bnword32 *q, bnword32 nh, bnword32 nl, bnword32 d);
  23 unsigned lbnModQ_32(bnword32 const *n, unsigned len, unsigned d);
  24
  25 /* #define the values to exclude the C versions */
  26 #define lbnSub1_32 lbnSub1_32
  27 #define lbnAdd1_32 lbnAdd1_32
  28 #define lbnMulN1_32 lbnMulN1_32
  29 #define lbnMulAdd1_32 lbnMulAdd1_32
  30 #define lbnMulSub1_32 lbnMulSub1_32
  31 #define lbnDiv21_32 lbnDiv21_32
  32 #define lbnModQ_32 lbnModQ_32