Mercurial > dropbear

annotate libtommath/mtest/mpi.h @ 1046:b8f4b7027191 coverity

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merge
author Matt Johnston <matt@ucc.asn.au>
date Tue, 24 Feb 2015 22:48:34 +0800
parents 5ff8218bcee9
children 60fc6476e044
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1 /*
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2 mpi.h
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3
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4 by Michael J. Fromberger <[email protected]>
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5 Copyright (C) 1998 Michael J. Fromberger, All Rights Reserved
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6
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7 Arbitrary precision integer arithmetic library
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8
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9 $Id: mpi.h,v 1.2 2005/05/05 14:38:47 tom Exp $
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10 */
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12 #ifndef _H_MPI_
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13 #define _H_MPI_
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15 #include "mpi-config.h"
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17 #define MP_LT -1
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18 #define MP_EQ 0
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19 #define MP_GT 1
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21 #if MP_DEBUG
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22 #undef MP_IOFUNC
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23 #define MP_IOFUNC 1
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24 #endif
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26 #if MP_IOFUNC
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27 #include <stdio.h>
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28 #include <ctype.h>
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29 #endif
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31 #include <limits.h>
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33 #define MP_NEG 1
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34 #define MP_ZPOS 0
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36 /* Included for compatibility... */
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37 #define NEG MP_NEG
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38 #define ZPOS MP_ZPOS
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39
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40 #define MP_OKAY 0 /* no error, all is well */
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41 #define MP_YES 0 /* yes (boolean result) */
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42 #define MP_NO -1 /* no (boolean result) */
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43 #define MP_MEM -2 /* out of memory */
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44 #define MP_RANGE -3 /* argument out of range */
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45 #define MP_BADARG -4 /* invalid parameter */
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46 #define MP_UNDEF -5 /* answer is undefined */
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47 #define MP_LAST_CODE MP_UNDEF
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49 #include "mpi-types.h"
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50
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51 /* Included for compatibility... */
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52 #define DIGIT_BIT MP_DIGIT_BIT
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53 #define DIGIT_MAX MP_DIGIT_MAX
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54
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55 /* Macros for accessing the mp_int internals */
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56 #define SIGN(MP) ((MP)->sign)
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57 #define USED(MP) ((MP)->used)
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58 #define ALLOC(MP) ((MP)->alloc)
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59 #define DIGITS(MP) ((MP)->dp)
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60 #define DIGIT(MP,N) (MP)->dp[(N)]
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61
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62 #if MP_ARGCHK == 1
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63 #define ARGCHK(X,Y) {if(!(X)){return (Y);}}
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64 #elif MP_ARGCHK == 2
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65 #include <assert.h>
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66 #define ARGCHK(X,Y) assert(X)
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67 #else
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68 #define ARGCHK(X,Y) /* */
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69 #endif
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71 /* This defines the maximum I/O base (minimum is 2) */
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72 #define MAX_RADIX 64
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73
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74 typedef struct {
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75 mp_sign sign; /* sign of this quantity */
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76 mp_size alloc; /* how many digits allocated */
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77 mp_size used; /* how many digits used */
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78 mp_digit *dp; /* the digits themselves */
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79 } mp_int;
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80
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81 /*------------------------------------------------------------------------*/
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82 /* Default precision */
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83
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84 unsigned int mp_get_prec(void);
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85 void mp_set_prec(unsigned int prec);
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86
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87 /*------------------------------------------------------------------------*/
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88 /* Memory management */
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89
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90 mp_err mp_init(mp_int *mp);
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diff changeset
91 mp_err mp_init_array(mp_int mp[], int count);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
92 mp_err mp_init_size(mp_int *mp, mp_size prec);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
93 mp_err mp_init_copy(mp_int *mp, mp_int *from);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
94 mp_err mp_copy(mp_int *from, mp_int *to);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
95 void mp_exch(mp_int *mp1, mp_int *mp2);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
96 void mp_clear(mp_int *mp);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
97 void mp_clear_array(mp_int mp[], int count);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
98 void mp_zero(mp_int *mp);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
99 void mp_set(mp_int *mp, mp_digit d);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
100 mp_err mp_set_int(mp_int *mp, long z);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
101 mp_err mp_shrink(mp_int *a);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
102
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
103
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
104 /*------------------------------------------------------------------------*/
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
105 /* Single digit arithmetic */
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
106
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
107 mp_err mp_add_d(mp_int *a, mp_digit d, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
108 mp_err mp_sub_d(mp_int *a, mp_digit d, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
109 mp_err mp_mul_d(mp_int *a, mp_digit d, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
110 mp_err mp_mul_2(mp_int *a, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
111 mp_err mp_div_d(mp_int *a, mp_digit d, mp_int *q, mp_digit *r);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
112 mp_err mp_div_2(mp_int *a, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
113 mp_err mp_expt_d(mp_int *a, mp_digit d, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
114
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
115 /*------------------------------------------------------------------------*/
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
116 /* Sign manipulations */
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
117
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
118 mp_err mp_abs(mp_int *a, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
119 mp_err mp_neg(mp_int *a, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
120
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
121 /*------------------------------------------------------------------------*/
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
122 /* Full arithmetic */
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
123
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
124 mp_err mp_add(mp_int *a, mp_int *b, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
125 mp_err mp_sub(mp_int *a, mp_int *b, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
126 mp_err mp_mul(mp_int *a, mp_int *b, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
127 mp_err mp_mul_2d(mp_int *a, mp_digit d, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
128 #if MP_SQUARE
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
129 mp_err mp_sqr(mp_int *a, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
130 #else
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
131 #define mp_sqr(a, b) mp_mul(a, a, b)
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
132 #endif
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
133 mp_err mp_div(mp_int *a, mp_int *b, mp_int *q, mp_int *r);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
134 mp_err mp_div_2d(mp_int *a, mp_digit d, mp_int *q, mp_int *r);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
135 mp_err mp_expt(mp_int *a, mp_int *b, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
136 mp_err mp_2expt(mp_int *a, mp_digit k);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
137 mp_err mp_sqrt(mp_int *a, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
138
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
139 /*------------------------------------------------------------------------*/
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
140 /* Modular arithmetic */
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
141
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
142 #if MP_MODARITH
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
143 mp_err mp_mod(mp_int *a, mp_int *m, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
144 mp_err mp_mod_d(mp_int *a, mp_digit d, mp_digit *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
145 mp_err mp_addmod(mp_int *a, mp_int *b, mp_int *m, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
146 mp_err mp_submod(mp_int *a, mp_int *b, mp_int *m, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
147 mp_err mp_mulmod(mp_int *a, mp_int *b, mp_int *m, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
148 #if MP_SQUARE
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
149 mp_err mp_sqrmod(mp_int *a, mp_int *m, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
150 #else
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
151 #define mp_sqrmod(a, m, c) mp_mulmod(a, a, m, c)
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
152 #endif
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
153 mp_err mp_exptmod(mp_int *a, mp_int *b, mp_int *m, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
154 mp_err mp_exptmod_d(mp_int *a, mp_digit d, mp_int *m, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
155 #endif /* MP_MODARITH */
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
156
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 /*------------------------------------------------------------------------*/
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158 /* Comparisons */
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 int mp_cmp_z(mp_int *a);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 int mp_cmp_d(mp_int *a, mp_digit d);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
162 int mp_cmp(mp_int *a, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 int mp_cmp_mag(mp_int *a, mp_int *b);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 int mp_cmp_int(mp_int *a, long z);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
165 int mp_isodd(mp_int *a);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
166 int mp_iseven(mp_int *a);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
167
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
168 /*------------------------------------------------------------------------*/
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
169 /* Number theoretic */
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
170
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
171 #if MP_NUMTH
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
172 mp_err mp_gcd(mp_int *a, mp_int *b, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
173 mp_err mp_lcm(mp_int *a, mp_int *b, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
174 mp_err mp_xgcd(mp_int *a, mp_int *b, mp_int *g, mp_int *x, mp_int *y);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
175 mp_err mp_invmod(mp_int *a, mp_int *m, mp_int *c);
eed26cff980b propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 6c790cad5a7fa866ad062cb3a0c279f7ba788583)
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
176 #endif /* end MP_NUMTH */
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177
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178 /*------------------------------------------------------------------------*/
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179 /* Input and output */
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180
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181 #if MP_IOFUNC
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182 void mp_print(mp_int *mp, FILE *ofp);
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183 #endif /* end MP_IOFUNC */
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184
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185 /*------------------------------------------------------------------------*/
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186 /* Base conversion */
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187
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188 #define BITS 1
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189 #define BYTES CHAR_BIT
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190
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191 mp_err mp_read_signed_bin(mp_int *mp, unsigned char *str, int len);
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192 int mp_signed_bin_size(mp_int *mp);
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193 mp_err mp_to_signed_bin(mp_int *mp, unsigned char *str);
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194
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195 mp_err mp_read_unsigned_bin(mp_int *mp, unsigned char *str, int len);
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196 int mp_unsigned_bin_size(mp_int *mp);
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197 mp_err mp_to_unsigned_bin(mp_int *mp, unsigned char *str);
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198
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199 int mp_count_bits(mp_int *mp);
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200
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201 #if MP_COMPAT_MACROS
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202 #define mp_read_raw(mp, str, len) mp_read_signed_bin((mp), (str), (len))
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203 #define mp_raw_size(mp) mp_signed_bin_size(mp)
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204 #define mp_toraw(mp, str) mp_to_signed_bin((mp), (str))
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205 #define mp_read_mag(mp, str, len) mp_read_unsigned_bin((mp), (str), (len))
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206 #define mp_mag_size(mp) mp_unsigned_bin_size(mp)
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207 #define mp_tomag(mp, str) mp_to_unsigned_bin((mp), (str))
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208 #endif
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209
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210 mp_err mp_read_radix(mp_int *mp, unsigned char *str, int radix);
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211 int mp_radix_size(mp_int *mp, int radix);
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212 int mp_value_radix_size(int num, int qty, int radix);
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213 mp_err mp_toradix(mp_int *mp, unsigned char *str, int radix);
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214
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215 int mp_char2value(char ch, int r);
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216
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217 #define mp_tobinary(M, S) mp_toradix((M), (S), 2)
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218 #define mp_tooctal(M, S) mp_toradix((M), (S), 8)
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219 #define mp_todecimal(M, S) mp_toradix((M), (S), 10)
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220 #define mp_tohex(M, S) mp_toradix((M), (S), 16)
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221
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222 /*------------------------------------------------------------------------*/
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223 /* Error strings */
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224
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225 const char *mp_strerror(mp_err ec);
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226
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227 #endif /* end _H_MPI_ */
389
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228
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229 /* $Source: /cvs/libtom/libtommath/mtest/mpi.h,v $ */
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230 /* $Revision: 1.2 $ */
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231 /* $Date: 2005/05/05 14:38:47 $ */