/* integer.h
*
- * Copyright (C) 2006-2014 wolfSSL Inc.
+ * Copyright (C) 2006-2015 wolfSSL Inc.
*
- * This file is part of CyaSSL.
+ * This file is part of wolfSSL. (formerly known as CyaSSL)
*
- * CyaSSL is free software; you can redistribute it and/or modify
+ * wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
- * CyaSSL is distributed in the hope that it will be useful,
+ * wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
#ifndef CTAO_CRYPT_INTEGER_H
#define CTAO_CRYPT_INTEGER_H
-/* may optionally use fast math instead, not yet supported on all platforms and
- may not be faster on all
-*/
-#include <cyassl/ctaocrypt/types.h> /* will set MP_xxBIT if not default */
-#ifdef USE_FAST_MATH
- #include <cyassl/ctaocrypt/tfm.h>
-#else
-
-#ifndef CHAR_BIT
- #include <limits.h>
-#endif
-
-#include <cyassl/ctaocrypt/mpi_class.h>
-
-#ifndef MIN
- #define MIN(x,y) ((x)<(y)?(x):(y))
-#endif
-
-#ifndef MAX
- #define MAX(x,y) ((x)>(y)?(x):(y))
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-
-/* C++ compilers don't like assigning void * to mp_digit * */
-#define OPT_CAST(x) (x *)
-
-#else
-
-/* C on the other hand doesn't care */
-#define OPT_CAST(x)
-
-#endif
-
-
-/* detect 64-bit mode if possible */
-#if defined(__x86_64__)
- #if !(defined(MP_64BIT) && defined(MP_16BIT) && defined(MP_8BIT))
- #define MP_64BIT
- #endif
-#endif
-/* if intel compiler doesn't provide 128 bit type don't turn on 64bit */
-#if defined(MP_64BIT) && defined(__INTEL_COMPILER) && !defined(HAVE___UINT128_T)
- #undef MP_64BIT
-#endif
-
-/* some default configurations.
- *
- * A "mp_digit" must be able to hold DIGIT_BIT + 1 bits
- * A "mp_word" must be able to hold 2*DIGIT_BIT + 1 bits
- *
- * At the very least a mp_digit must be able to hold 7 bits
- * [any size beyond that is ok provided it doesn't overflow the data type]
- */
-#ifdef MP_8BIT
- typedef unsigned char mp_digit;
- typedef unsigned short mp_word;
-#elif defined(MP_16BIT) || defined(NO_64BIT)
- typedef unsigned short mp_digit;
- typedef unsigned int mp_word;
-#elif defined(MP_64BIT)
- /* for GCC only on supported platforms */
- typedef unsigned long long mp_digit; /* 64 bit type, 128 uses mode(TI) */
- typedef unsigned long mp_word __attribute__ ((mode(TI)));
-
- #define DIGIT_BIT 60
-#else
- /* this is the default case, 28-bit digits */
-
- #if defined(_MSC_VER) || defined(__BORLANDC__)
- typedef unsigned __int64 ulong64;
- #else
- typedef unsigned long long ulong64;
- #endif
-
- typedef unsigned int mp_digit; /* long could be 64 now, changed TAO */
- typedef ulong64 mp_word;
-
-#ifdef MP_31BIT
- /* this is an extension that uses 31-bit digits */
- #define DIGIT_BIT 31
-#else
- /* default case is 28-bit digits, defines MP_28BIT as a handy test macro */
- #define DIGIT_BIT 28
- #define MP_28BIT
-#endif
-#endif
-
-
-/* otherwise the bits per digit is calculated automatically from the size of
- a mp_digit */
-#ifndef DIGIT_BIT
- #define DIGIT_BIT ((int)((CHAR_BIT * sizeof(mp_digit) - 1)))
- /* bits per digit */
-#endif
-
-#define MP_DIGIT_BIT DIGIT_BIT
-#define MP_MASK ((((mp_digit)1)<<((mp_digit)DIGIT_BIT))-((mp_digit)1))
-#define MP_DIGIT_MAX MP_MASK
-
-/* equalities */
-#define MP_LT -1 /* less than */
-#define MP_EQ 0 /* equal to */
-#define MP_GT 1 /* greater than */
-
-#define MP_ZPOS 0 /* positive integer */
-#define MP_NEG 1 /* negative */
-
-#define MP_OKAY 0 /* ok result */
-#define MP_MEM -2 /* out of mem */
-#define MP_VAL -3 /* invalid input */
-#define MP_RANGE MP_VAL
-
-#define MP_YES 1 /* yes response */
-#define MP_NO 0 /* no response */
-
-/* Primality generation flags */
-#define LTM_PRIME_BBS 0x0001 /* BBS style prime */
-#define LTM_PRIME_SAFE 0x0002 /* Safe prime (p-1)/2 == prime */
-#define LTM_PRIME_2MSB_ON 0x0008 /* force 2nd MSB to 1 */
-
-typedef int mp_err;
-
-/* define this to use lower memory usage routines (exptmods mostly) */
-#define MP_LOW_MEM
-
-/* default precision */
-#ifndef MP_PREC
- #ifndef MP_LOW_MEM
- #define MP_PREC 32 /* default digits of precision */
- #else
- #define MP_PREC 1 /* default digits of precision */
- #endif
-#endif
-
-/* size of comba arrays, should be at least 2 * 2**(BITS_PER_WORD -
- BITS_PER_DIGIT*2) */
-#define MP_WARRAY (1 << (sizeof(mp_word) * CHAR_BIT - 2 * DIGIT_BIT + 1))
-
-/* the infamous mp_int structure */
-typedef struct {
- int used, alloc, sign;
- mp_digit *dp;
-} mp_int;
-
-/* callback for mp_prime_random, should fill dst with random bytes and return
- how many read [upto len] */
-typedef int ltm_prime_callback(unsigned char *dst, int len, void *dat);
-
-
-#define USED(m) ((m)->used)
-#define DIGIT(m,k) ((m)->dp[(k)])
-#define SIGN(m) ((m)->sign)
-
-
-/* ---> Basic Manipulations <--- */
-#define mp_iszero(a) (((a)->used == 0) ? MP_YES : MP_NO)
-#define mp_iseven(a) \
- (((a)->used > 0 && (((a)->dp[0] & 1) == 0)) ? MP_YES : MP_NO)
-#define mp_isodd(a) \
- (((a)->used > 0 && (((a)->dp[0] & 1) == 1)) ? MP_YES : MP_NO)
-
-
-/* number of primes */
-#ifdef MP_8BIT
- #define PRIME_SIZE 31
-#else
- #define PRIME_SIZE 256
-#endif
-
-#define mp_prime_random(a, t, size, bbs, cb, dat) \
- mp_prime_random_ex(a, t, ((size) * 8) + 1, (bbs==1)?LTM_PRIME_BBS:0, cb, dat)
-
-#define mp_read_raw(mp, str, len) mp_read_signed_bin((mp), (str), (len))
-#define mp_raw_size(mp) mp_signed_bin_size(mp)
-#define mp_toraw(mp, str) mp_to_signed_bin((mp), (str))
-#define mp_read_mag(mp, str, len) mp_read_unsigned_bin((mp), (str), (len))
-#define mp_mag_size(mp) mp_unsigned_bin_size(mp)
-#define mp_tomag(mp, str) mp_to_unsigned_bin((mp), (str))
-
-#define mp_tobinary(M, S) mp_toradix((M), (S), 2)
-#define mp_tooctal(M, S) mp_toradix((M), (S), 8)
-#define mp_todecimal(M, S) mp_toradix((M), (S), 10)
-#define mp_tohex(M, S) mp_toradix((M), (S), 16)
-
-#define s_mp_mul(a, b, c) s_mp_mul_digs(a, b, c, (a)->used + (b)->used + 1)
-
-extern const char *mp_s_rmap;
-
-/* 6 functions needed by Rsa */
-int mp_init (mp_int * a);
-void mp_clear (mp_int * a);
-int mp_unsigned_bin_size(mp_int * a);
-int mp_read_unsigned_bin (mp_int * a, const unsigned char *b, int c);
-int mp_to_unsigned_bin (mp_int * a, unsigned char *b);
-int mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y);
-/* end functions needed by Rsa */
-
-/* functions added to support above needed, removed TOOM and KARATSUBA */
-int mp_count_bits (mp_int * a);
-int mp_leading_bit (mp_int * a);
-int mp_init_copy (mp_int * a, mp_int * b);
-int mp_copy (mp_int * a, mp_int * b);
-int mp_grow (mp_int * a, int size);
-int mp_div_2d (mp_int * a, int b, mp_int * c, mp_int * d);
-void mp_zero (mp_int * a);
-void mp_clamp (mp_int * a);
-void mp_exch (mp_int * a, mp_int * b);
-void mp_rshd (mp_int * a, int b);
-void mp_rshb (mp_int * a, int b);
-int mp_mod_2d (mp_int * a, int b, mp_int * c);
-int mp_mul_2d (mp_int * a, int b, mp_int * c);
-int mp_lshd (mp_int * a, int b);
-int mp_abs (mp_int * a, mp_int * b);
-int mp_invmod (mp_int * a, mp_int * b, mp_int * c);
-int fast_mp_invmod (mp_int * a, mp_int * b, mp_int * c);
-int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c);
-int mp_cmp_mag (mp_int * a, mp_int * b);
-int mp_cmp (mp_int * a, mp_int * b);
-int mp_cmp_d(mp_int * a, mp_digit b);
-void mp_set (mp_int * a, mp_digit b);
-int mp_mod (mp_int * a, mp_int * b, mp_int * c);
-int mp_div(mp_int * a, mp_int * b, mp_int * c, mp_int * d);
-int mp_div_2(mp_int * a, mp_int * b);
-int mp_add (mp_int * a, mp_int * b, mp_int * c);
-int s_mp_add (mp_int * a, mp_int * b, mp_int * c);
-int s_mp_sub (mp_int * a, mp_int * b, mp_int * c);
-int mp_sub (mp_int * a, mp_int * b, mp_int * c);
-int mp_reduce_is_2k_l(mp_int *a);
-int mp_reduce_is_2k(mp_int *a);
-int mp_dr_is_modulus(mp_int *a);
-int mp_exptmod_fast (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int);
-int mp_montgomery_setup (mp_int * n, mp_digit * rho);
-int fast_mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho);
-int mp_montgomery_reduce (mp_int * x, mp_int * n, mp_digit rho);
-void mp_dr_setup(mp_int *a, mp_digit *d);
-int mp_dr_reduce (mp_int * x, mp_int * n, mp_digit k);
-int mp_reduce_2k(mp_int *a, mp_int *n, mp_digit d);
-int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
-int s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
-int mp_reduce_2k_setup_l(mp_int *a, mp_int *d);
-int mp_reduce_2k_l(mp_int *a, mp_int *n, mp_int *d);
-int mp_reduce (mp_int * x, mp_int * m, mp_int * mu);
-int mp_reduce_setup (mp_int * a, mp_int * b);
-int s_mp_exptmod (mp_int * G, mp_int * X, mp_int * P, mp_int * Y, int redmode);
-int mp_montgomery_calc_normalization (mp_int * a, mp_int * b);
-int s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
-int s_mp_sqr (mp_int * a, mp_int * b);
-int fast_s_mp_mul_digs (mp_int * a, mp_int * b, mp_int * c, int digs);
-int fast_s_mp_sqr (mp_int * a, mp_int * b);
-int mp_init_size (mp_int * a, int size);
-int mp_div_3 (mp_int * a, mp_int *c, mp_digit * d);
-int mp_mul_2(mp_int * a, mp_int * b);
-int mp_mul (mp_int * a, mp_int * b, mp_int * c);
-int mp_sqr (mp_int * a, mp_int * b);
-int mp_mulmod (mp_int * a, mp_int * b, mp_int * c, mp_int * d);
-int mp_mul_d (mp_int * a, mp_digit b, mp_int * c);
-int mp_2expt (mp_int * a, int b);
-int mp_reduce_2k_setup(mp_int *a, mp_digit *d);
-int mp_add_d (mp_int* a, mp_digit b, mp_int* c);
-int mp_set_int (mp_int * a, unsigned long b);
-int mp_sub_d (mp_int * a, mp_digit b, mp_int * c);
-/* end support added functions */
-
-/* added */
-int mp_init_multi(mp_int* a, mp_int* b, mp_int* c, mp_int* d, mp_int* e,
- mp_int* f);
-
-#if defined(HAVE_ECC) || defined(CYASSL_KEY_GEN)
- int mp_sqrmod(mp_int* a, mp_int* b, mp_int* c);
-#endif
-#ifdef HAVE_ECC
- int mp_read_radix(mp_int* a, const char* str, int radix);
-#endif
-
-#ifdef CYASSL_KEY_GEN
- int mp_prime_is_prime (mp_int * a, int t, int *result);
- int mp_gcd (mp_int * a, mp_int * b, mp_int * c);
- int mp_lcm (mp_int * a, mp_int * b, mp_int * c);
-#endif
-
-#ifdef __cplusplus
- }
-#endif
-
-
-#endif /* USE_FAST_MATH */
+#include <wolfssl/wolfcrypt/integer.h>
#endif /* CTAO_CRYPT_INTEGER_H */
projects / freertos / blobdiff