diff options
Diffstat (limited to 'source4/heimdal/lib/hcrypto/imath/imath.h')
| -rw-r--r-- | source4/heimdal/lib/hcrypto/imath/imath.h | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/source4/heimdal/lib/hcrypto/imath/imath.h b/source4/heimdal/lib/hcrypto/imath/imath.h deleted file mode 100644 index cb877959e9..0000000000 --- a/source4/heimdal/lib/hcrypto/imath/imath.h +++ /dev/null @@ -1,231 +0,0 @@ -/* - Name: imath.h - Purpose: Arbitrary precision integer arithmetic routines. - Author: M. J. Fromberger <http://spinning-yarns.org/michael/> - Info: $Id: imath.h 635 2008-01-08 18:19:40Z sting $ - - Copyright (C) 2002-2007 Michael J. Fromberger, All Rights Reserved. - - Permission is hereby granted, free of charge, to any person - obtaining a copy of this software and associated documentation files - (the "Software"), to deal in the Software without restriction, - including without limitation the rights to use, copy, modify, merge, - publish, distribute, sublicense, and/or sell copies of the Software, - and to permit persons to whom the Software is furnished to do so, - subject to the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - SOFTWARE. - */ - -#ifndef IMATH_H_ -#define IMATH_H_ - -#include <limits.h> - -#ifdef __cplusplus -extern "C" { -#endif - -typedef unsigned char mp_sign; -typedef unsigned int mp_size; -typedef int mp_result; -typedef long mp_small; /* must be a signed type */ -typedef unsigned long mp_usmall; /* must be an unsigned type */ -#ifdef USE_LONG_LONG -typedef unsigned int mp_digit; -typedef unsigned long long mp_word; -#else -typedef unsigned short mp_digit; -typedef unsigned int mp_word; -#endif - -typedef struct mpz { - mp_digit single; - mp_digit *digits; - mp_size alloc; - mp_size used; - mp_sign sign; -} mpz_t, *mp_int; - -#define MP_DIGITS(Z) ((Z)->digits) -#define MP_ALLOC(Z) ((Z)->alloc) -#define MP_USED(Z) ((Z)->used) -#define MP_SIGN(Z) ((Z)->sign) - -extern const mp_result MP_OK; -extern const mp_result MP_FALSE; -extern const mp_result MP_TRUE; -extern const mp_result MP_MEMORY; -extern const mp_result MP_RANGE; -extern const mp_result MP_UNDEF; -extern const mp_result MP_TRUNC; -extern const mp_result MP_BADARG; -extern const mp_result MP_MINERR; - -#define MP_DIGIT_BIT (sizeof(mp_digit) * CHAR_BIT) -#define MP_WORD_BIT (sizeof(mp_word) * CHAR_BIT) -#define MP_SMALL_MIN LONG_MIN -#define MP_SMALL_MAX LONG_MAX -#define MP_USMALL_MIN ULONG_MIN -#define MP_USMALL_MAX ULONG_MAX - -#ifdef USE_LONG_LONG -# ifndef ULONG_LONG_MAX -# ifdef ULLONG_MAX -# define ULONG_LONG_MAX ULLONG_MAX -# else -# error "Maximum value of unsigned long long not defined!" -# endif -# endif -# define MP_DIGIT_MAX (ULONG_MAX * 1ULL) -# define MP_WORD_MAX ULONG_LONG_MAX -#else -# define MP_DIGIT_MAX (USHRT_MAX * 1UL) -# define MP_WORD_MAX (UINT_MAX * 1UL) -#endif - -#define MP_MIN_RADIX 2 -#define MP_MAX_RADIX 36 - -/* Values with fewer than this many significant digits use the - standard multiplication algorithm; otherwise, a recursive algorithm - is used. Choose a value to suit your platform. - */ -#define MP_MULT_THRESH 22 - -#define MP_DEFAULT_PREC 8 /* default memory allocation, in digits */ - -extern const mp_sign MP_NEG; -extern const mp_sign MP_ZPOS; - -#define mp_int_is_odd(Z) ((Z)->digits[0] & 1) -#define mp_int_is_even(Z) !((Z)->digits[0] & 1) - -mp_result mp_int_init(mp_int z); -mp_int mp_int_alloc(void); -mp_result mp_int_init_size(mp_int z, mp_size prec); -mp_result mp_int_init_copy(mp_int z, mp_int old); -mp_result mp_int_init_value(mp_int z, mp_small value); -mp_result mp_int_set_value(mp_int z, mp_small value); -void mp_int_clear(mp_int z); -void mp_int_free(mp_int z); - -mp_result mp_int_copy(mp_int a, mp_int c); /* c = a */ -void mp_int_swap(mp_int a, mp_int c); /* swap a, c */ -void mp_int_zero(mp_int z); /* z = 0 */ -mp_result mp_int_abs(mp_int a, mp_int c); /* c = |a| */ -mp_result mp_int_neg(mp_int a, mp_int c); /* c = -a */ -mp_result mp_int_add(mp_int a, mp_int b, mp_int c); /* c = a + b */ -mp_result mp_int_add_value(mp_int a, mp_small value, mp_int c); -mp_result mp_int_sub(mp_int a, mp_int b, mp_int c); /* c = a - b */ -mp_result mp_int_sub_value(mp_int a, mp_small value, mp_int c); -mp_result mp_int_mul(mp_int a, mp_int b, mp_int c); /* c = a * b */ -mp_result mp_int_mul_value(mp_int a, mp_small value, mp_int c); -mp_result mp_int_mul_pow2(mp_int a, mp_small p2, mp_int c); -mp_result mp_int_sqr(mp_int a, mp_int c); /* c = a * a */ -mp_result mp_int_div(mp_int a, mp_int b, /* q = a / b */ - mp_int q, mp_int r); /* r = a % b */ -mp_result mp_int_div_value(mp_int a, mp_small value, /* q = a / value */ - mp_int q, mp_small *r); /* r = a % value */ -mp_result mp_int_div_pow2(mp_int a, mp_small p2, /* q = a / 2^p2 */ - mp_int q, mp_int r); /* r = q % 2^p2 */ -mp_result mp_int_mod(mp_int a, mp_int m, mp_int c); /* c = a % m */ -#define mp_int_mod_value(A, V, R) mp_int_div_value((A), (V), 0, (R)) -mp_result mp_int_expt(mp_int a, mp_small b, mp_int c); /* c = a^b */ -mp_result mp_int_expt_value(mp_small a, mp_small b, mp_int c); /* c = a^b */ - -int mp_int_compare(mp_int a, mp_int b); /* a <=> b */ -int mp_int_compare_unsigned(mp_int a, mp_int b); /* |a| <=> |b| */ -int mp_int_compare_zero(mp_int z); /* a <=> 0 */ -int mp_int_compare_value(mp_int z, mp_small value); /* a <=> v */ - -/* Returns true if v|a, false otherwise (including errors) */ -int mp_int_divisible_value(mp_int a, mp_small v); - -/* Returns k >= 0 such that z = 2^k, if one exists; otherwise < 0 */ -int mp_int_is_pow2(mp_int z); - -mp_result mp_int_exptmod(mp_int a, mp_int b, mp_int m, - mp_int c); /* c = a^b (mod m) */ -mp_result mp_int_exptmod_evalue(mp_int a, mp_small value, - mp_int m, mp_int c); /* c = a^v (mod m) */ -mp_result mp_int_exptmod_bvalue(mp_small value, mp_int b, - mp_int m, mp_int c); /* c = v^b (mod m) */ -mp_result mp_int_exptmod_known(mp_int a, mp_int b, - mp_int m, mp_int mu, - mp_int c); /* c = a^b (mod m) */ -mp_result mp_int_redux_const(mp_int m, mp_int c); - -mp_result mp_int_invmod(mp_int a, mp_int m, mp_int c); /* c = 1/a (mod m) */ - -mp_result mp_int_gcd(mp_int a, mp_int b, mp_int c); /* c = gcd(a, b) */ - -mp_result mp_int_egcd(mp_int a, mp_int b, mp_int c, /* c = gcd(a, b) */ - mp_int x, mp_int y); /* c = ax + by */ - -mp_result mp_int_lcm(mp_int a, mp_int b, mp_int c); /* c = lcm(a, b) */ - -mp_result mp_int_root(mp_int a, mp_small b, mp_int c); /* c = floor(a^{1/b}) */ -#define mp_int_sqrt(a, c) mp_int_root(a, 2, c) /* c = floor(sqrt(a)) */ - -/* Convert to a small int, if representable; else MP_RANGE */ -mp_result mp_int_to_int(mp_int z, mp_small *out); -mp_result mp_int_to_uint(mp_int z, mp_usmall *out); - -/* Convert to nul-terminated string with the specified radix, writing at - most limit characters including the nul terminator */ -mp_result mp_int_to_string(mp_int z, mp_size radix, - char *str, int limit); - -/* Return the number of characters required to represent - z in the given radix. May over-estimate. */ -mp_result mp_int_string_len(mp_int z, mp_size radix); - -/* Read zero-terminated string into z */ -mp_result mp_int_read_string(mp_int z, mp_size radix, const char *str); -mp_result mp_int_read_cstring(mp_int z, mp_size radix, const char *str, - char **end); - -/* Return the number of significant bits in z */ -mp_result mp_int_count_bits(mp_int z); - -/* Convert z to two's complement binary, writing at most limit bytes */ -mp_result mp_int_to_binary(mp_int z, unsigned char *buf, int limit); - -/* Read a two's complement binary value into z from the given buffer */ -mp_result mp_int_read_binary(mp_int z, unsigned char *buf, int len); - -/* Return the number of bytes required to represent z in binary. */ -mp_result mp_int_binary_len(mp_int z); - -/* Convert z to unsigned binary, writing at most limit bytes */ -mp_result mp_int_to_unsigned(mp_int z, unsigned char *buf, int limit); - -/* Read an unsigned binary value into z from the given buffer */ -mp_result mp_int_read_unsigned(mp_int z, unsigned char *buf, int len); - -/* Return the number of bytes required to represent z as unsigned output */ -mp_result mp_int_unsigned_len(mp_int z); - -/* Return a statically allocated string describing error code res */ -const char *mp_error_string(mp_result res); - -#if DEBUG -void s_print(char *tag, mp_int z); -void s_print_buf(char *tag, mp_digit *buf, mp_size num); -#endif - -#ifdef __cplusplus -} -#endif -#endif /* end IMATH_H_ */ |