Index: mozilla/security/nss/lib/freebl/mpi/mpi-priv.h |
=================================================================== |
--- mozilla/security/nss/lib/freebl/mpi/mpi-priv.h (revision 191424) |
+++ mozilla/security/nss/lib/freebl/mpi/mpi-priv.h (working copy) |
@@ -1,285 +0,0 @@ |
-/* |
- * mpi-priv.h - Private header file for MPI |
- * Arbitrary precision integer arithmetic library |
- * |
- * NOTE WELL: the content of this header file is NOT part of the "public" |
- * API for the MPI library, and may change at any time. |
- * Application programs that use libmpi should NOT include this header file. |
- * |
- * This Source Code Form is subject to the terms of the Mozilla Public |
- * License, v. 2.0. If a copy of the MPL was not distributed with this |
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
-/* $Id: mpi-priv.h,v 1.25 2012/04/25 14:49:50 gerv%gerv.net Exp $ */ |
-#ifndef _MPI_PRIV_H_ |
-#define _MPI_PRIV_H_ 1 |
- |
-#include "mpi.h" |
-#include <stdlib.h> |
-#include <string.h> |
-#include <ctype.h> |
- |
-#if MP_DEBUG |
-#include <stdio.h> |
- |
-#define DIAG(T,V) {fprintf(stderr,T);mp_print(V,stderr);fputc('\n',stderr);} |
-#else |
-#define DIAG(T,V) |
-#endif |
- |
-/* If we aren't using a wired-in logarithm table, we need to include |
- the math library to get the log() function |
- */ |
- |
-/* {{{ s_logv_2[] - log table for 2 in various bases */ |
- |
-#if MP_LOGTAB |
-/* |
- A table of the logs of 2 for various bases (the 0 and 1 entries of |
- this table are meaningless and should not be referenced). |
- |
- This table is used to compute output lengths for the mp_toradix() |
- function. Since a number n in radix r takes up about log_r(n) |
- digits, we estimate the output size by taking the least integer |
- greater than log_r(n), where: |
- |
- log_r(n) = log_2(n) * log_r(2) |
- |
- This table, therefore, is a table of log_r(2) for 2 <= r <= 36, |
- which are the output bases supported. |
- */ |
- |
-extern const float s_logv_2[]; |
-#define LOG_V_2(R) s_logv_2[(R)] |
- |
-#else |
- |
-/* |
- If MP_LOGTAB is not defined, use the math library to compute the |
- logarithms on the fly. Otherwise, use the table. |
- Pick which works best for your system. |
- */ |
- |
-#include <math.h> |
-#define LOG_V_2(R) (log(2.0)/log(R)) |
- |
-#endif /* if MP_LOGTAB */ |
- |
-/* }}} */ |
- |
-/* {{{ Digit arithmetic macros */ |
- |
-/* |
- When adding and multiplying digits, the results can be larger than |
- can be contained in an mp_digit. Thus, an mp_word is used. These |
- macros mask off the upper and lower digits of the mp_word (the |
- mp_word may be more than 2 mp_digits wide, but we only concern |
- ourselves with the low-order 2 mp_digits) |
- */ |
- |
-#define CARRYOUT(W) (mp_digit)((W)>>DIGIT_BIT) |
-#define ACCUM(W) (mp_digit)(W) |
- |
-#define MP_MIN(a,b) (((a) < (b)) ? (a) : (b)) |
-#define MP_MAX(a,b) (((a) > (b)) ? (a) : (b)) |
-#define MP_HOWMANY(a,b) (((a) + (b) - 1)/(b)) |
-#define MP_ROUNDUP(a,b) (MP_HOWMANY(a,b) * (b)) |
- |
-/* }}} */ |
- |
-/* {{{ Comparison constants */ |
- |
-#define MP_LT -1 |
-#define MP_EQ 0 |
-#define MP_GT 1 |
- |
-/* }}} */ |
- |
-/* {{{ private function declarations */ |
- |
-/* |
- If MP_MACRO is false, these will be defined as actual functions; |
- otherwise, suitable macro definitions will be used. This works |
- around the fact that ANSI C89 doesn't support an 'inline' keyword |
- (although I hear C9x will ... about bloody time). At present, the |
- macro definitions are identical to the function bodies, but they'll |
- expand in place, instead of generating a function call. |
- |
- I chose these particular functions to be made into macros because |
- some profiling showed they are called a lot on a typical workload, |
- and yet they are primarily housekeeping. |
- */ |
-#if MP_MACRO == 0 |
- void s_mp_setz(mp_digit *dp, mp_size count); /* zero digits */ |
- void s_mp_copy(const mp_digit *sp, mp_digit *dp, mp_size count); /* copy */ |
- void *s_mp_alloc(size_t nb, size_t ni); /* general allocator */ |
- void s_mp_free(void *ptr); /* general free function */ |
-extern unsigned long mp_allocs; |
-extern unsigned long mp_frees; |
-extern unsigned long mp_copies; |
-#else |
- |
- /* Even if these are defined as macros, we need to respect the settings |
- of the MP_MEMSET and MP_MEMCPY configuration options... |
- */ |
- #if MP_MEMSET == 0 |
- #define s_mp_setz(dp, count) \ |
- {int ix;for(ix=0;ix<(count);ix++)(dp)[ix]=0;} |
- #else |
- #define s_mp_setz(dp, count) memset(dp, 0, (count) * sizeof(mp_digit)) |
- #endif /* MP_MEMSET */ |
- |
- #if MP_MEMCPY == 0 |
- #define s_mp_copy(sp, dp, count) \ |
- {int ix;for(ix=0;ix<(count);ix++)(dp)[ix]=(sp)[ix];} |
- #else |
- #define s_mp_copy(sp, dp, count) memcpy(dp, sp, (count) * sizeof(mp_digit)) |
- #endif /* MP_MEMCPY */ |
- |
- #define s_mp_alloc(nb, ni) calloc(nb, ni) |
- #define s_mp_free(ptr) {if(ptr) free(ptr);} |
-#endif /* MP_MACRO */ |
- |
-mp_err s_mp_grow(mp_int *mp, mp_size min); /* increase allocated size */ |
-mp_err s_mp_pad(mp_int *mp, mp_size min); /* left pad with zeroes */ |
- |
-#if MP_MACRO == 0 |
- void s_mp_clamp(mp_int *mp); /* clip leading zeroes */ |
-#else |
- #define s_mp_clamp(mp)\ |
- { mp_size used = MP_USED(mp); \ |
- while (used > 1 && DIGIT(mp, used - 1) == 0) --used; \ |
- MP_USED(mp) = used; \ |
- } |
-#endif /* MP_MACRO */ |
- |
-void s_mp_exch(mp_int *a, mp_int *b); /* swap a and b in place */ |
- |
-mp_err s_mp_lshd(mp_int *mp, mp_size p); /* left-shift by p digits */ |
-void s_mp_rshd(mp_int *mp, mp_size p); /* right-shift by p digits */ |
-mp_err s_mp_mul_2d(mp_int *mp, mp_digit d); /* multiply by 2^d in place */ |
-void s_mp_div_2d(mp_int *mp, mp_digit d); /* divide by 2^d in place */ |
-void s_mp_mod_2d(mp_int *mp, mp_digit d); /* modulo 2^d in place */ |
-void s_mp_div_2(mp_int *mp); /* divide by 2 in place */ |
-mp_err s_mp_mul_2(mp_int *mp); /* multiply by 2 in place */ |
-mp_err s_mp_norm(mp_int *a, mp_int *b, mp_digit *pd); |
- /* normalize for division */ |
-mp_err s_mp_add_d(mp_int *mp, mp_digit d); /* unsigned digit addition */ |
-mp_err s_mp_sub_d(mp_int *mp, mp_digit d); /* unsigned digit subtract */ |
-mp_err s_mp_mul_d(mp_int *mp, mp_digit d); /* unsigned digit multiply */ |
-mp_err s_mp_div_d(mp_int *mp, mp_digit d, mp_digit *r); |
- /* unsigned digit divide */ |
-mp_err s_mp_reduce(mp_int *x, const mp_int *m, const mp_int *mu); |
- /* Barrett reduction */ |
-mp_err s_mp_add(mp_int *a, const mp_int *b); /* magnitude addition */ |
-mp_err s_mp_add_3arg(const mp_int *a, const mp_int *b, mp_int *c); |
-mp_err s_mp_sub(mp_int *a, const mp_int *b); /* magnitude subtract */ |
-mp_err s_mp_sub_3arg(const mp_int *a, const mp_int *b, mp_int *c); |
-mp_err s_mp_add_offset(mp_int *a, mp_int *b, mp_size offset); |
- /* a += b * RADIX^offset */ |
-mp_err s_mp_mul(mp_int *a, const mp_int *b); /* magnitude multiply */ |
-#if MP_SQUARE |
-mp_err s_mp_sqr(mp_int *a); /* magnitude square */ |
-#else |
-#define s_mp_sqr(a) s_mp_mul(a, a) |
-#endif |
-mp_err s_mp_div(mp_int *rem, mp_int *div, mp_int *quot); /* magnitude div */ |
-mp_err s_mp_exptmod(const mp_int *a, const mp_int *b, const mp_int *m, mp_int *c); |
-mp_err s_mp_2expt(mp_int *a, mp_digit k); /* a = 2^k */ |
-int s_mp_cmp(const mp_int *a, const mp_int *b); /* magnitude comparison */ |
-int s_mp_cmp_d(const mp_int *a, mp_digit d); /* magnitude digit compare */ |
-int s_mp_ispow2(const mp_int *v); /* is v a power of 2? */ |
-int s_mp_ispow2d(mp_digit d); /* is d a power of 2? */ |
- |
-int s_mp_tovalue(char ch, int r); /* convert ch to value */ |
-char s_mp_todigit(mp_digit val, int r, int low); /* convert val to digit */ |
-int s_mp_outlen(int bits, int r); /* output length in bytes */ |
-mp_digit s_mp_invmod_radix(mp_digit P); /* returns (P ** -1) mod RADIX */ |
-mp_err s_mp_invmod_odd_m( const mp_int *a, const mp_int *m, mp_int *c); |
-mp_err s_mp_invmod_2d( const mp_int *a, mp_size k, mp_int *c); |
-mp_err s_mp_invmod_even_m(const mp_int *a, const mp_int *m, mp_int *c); |
- |
-#ifdef NSS_USE_COMBA |
- |
-#define IS_POWER_OF_2(a) ((a) && !((a) & ((a)-1))) |
- |
-void s_mp_mul_comba_4(const mp_int *A, const mp_int *B, mp_int *C); |
-void s_mp_mul_comba_8(const mp_int *A, const mp_int *B, mp_int *C); |
-void s_mp_mul_comba_16(const mp_int *A, const mp_int *B, mp_int *C); |
-void s_mp_mul_comba_32(const mp_int *A, const mp_int *B, mp_int *C); |
- |
-void s_mp_sqr_comba_4(const mp_int *A, mp_int *B); |
-void s_mp_sqr_comba_8(const mp_int *A, mp_int *B); |
-void s_mp_sqr_comba_16(const mp_int *A, mp_int *B); |
-void s_mp_sqr_comba_32(const mp_int *A, mp_int *B); |
- |
-#endif /* end NSS_USE_COMBA */ |
- |
-/* ------ mpv functions, operate on arrays of digits, not on mp_int's ------ */ |
-#if defined (__OS2__) && defined (__IBMC__) |
-#define MPI_ASM_DECL __cdecl |
-#else |
-#define MPI_ASM_DECL |
-#endif |
- |
-#ifdef MPI_AMD64 |
- |
-mp_digit MPI_ASM_DECL s_mpv_mul_set_vec64(mp_digit*, mp_digit *, mp_size, mp_digit); |
-mp_digit MPI_ASM_DECL s_mpv_mul_add_vec64(mp_digit*, const mp_digit*, mp_size, mp_digit); |
- |
-/* c = a * b */ |
-#define s_mpv_mul_d(a, a_len, b, c) \ |
- ((mp_digit *)c)[a_len] = s_mpv_mul_set_vec64(c, a, a_len, b) |
- |
-/* c += a * b */ |
-#define s_mpv_mul_d_add(a, a_len, b, c) \ |
- ((mp_digit *)c)[a_len] = s_mpv_mul_add_vec64(c, a, a_len, b) |
- |
- |
-#else |
- |
-void MPI_ASM_DECL s_mpv_mul_d(const mp_digit *a, mp_size a_len, |
- mp_digit b, mp_digit *c); |
-void MPI_ASM_DECL s_mpv_mul_d_add(const mp_digit *a, mp_size a_len, |
- mp_digit b, mp_digit *c); |
- |
-#endif |
- |
-void MPI_ASM_DECL s_mpv_mul_d_add_prop(const mp_digit *a, |
- mp_size a_len, mp_digit b, |
- mp_digit *c); |
-void MPI_ASM_DECL s_mpv_sqr_add_prop(const mp_digit *a, |
- mp_size a_len, |
- mp_digit *sqrs); |
- |
-mp_err MPI_ASM_DECL s_mpv_div_2dx1d(mp_digit Nhi, mp_digit Nlo, |
- mp_digit divisor, mp_digit *quot, mp_digit *rem); |
- |
-/* c += a * b * (MP_RADIX ** offset); */ |
-#define s_mp_mul_d_add_offset(a, b, c, off) \ |
-(s_mpv_mul_d_add_prop(MP_DIGITS(a), MP_USED(a), b, MP_DIGITS(c) + off), MP_OKAY) |
- |
-typedef struct { |
- mp_int N; /* modulus N */ |
- mp_digit n0prime; /* n0' = - (n0 ** -1) mod MP_RADIX */ |
-} mp_mont_modulus; |
- |
-mp_err s_mp_mul_mont(const mp_int *a, const mp_int *b, mp_int *c, |
- mp_mont_modulus *mmm); |
-mp_err s_mp_redc(mp_int *T, mp_mont_modulus *mmm); |
- |
-/* |
- * s_mpi_getProcessorLineSize() returns the size in bytes of the cache line |
- * if a cache exists, or zero if there is no cache. If more than one |
- * cache line exists, it should return the smallest line size (which is |
- * usually the L1 cache). |
- * |
- * mp_modexp uses this information to make sure that private key information |
- * isn't being leaked through the cache. |
- * |
- * see mpcpucache.c for the implementation. |
- */ |
-unsigned long s_mpi_getProcessorLineSize(); |
- |
-/* }}} */ |
-#endif |
- |