diff options
Diffstat (limited to 'crypto/bn/bn.h')
| -rw-r--r-- | crypto/bn/bn.h | 1201 |
1 files changed, 612 insertions, 589 deletions
diff --git a/crypto/bn/bn.h b/crypto/bn/bn.h index 79ba102994..6dc2d754df 100644 --- a/crypto/bn/bn.h +++ b/crypto/bn/bn.h @@ -5,21 +5,21 @@ * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +34,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,7 +49,7 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence @@ -58,193 +58,196 @@ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * - * Portions of the attached software ("Contribution") are developed by + * Portions of the attached software ("Contribution") are developed by * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. * * The Contribution is licensed pursuant to the Eric Young open source * license provided above. * - * The binary polynomial arithmetic software is originally written by + * The binary polynomial arithmetic software is originally written by * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. * */ #ifndef HEADER_BN_H -#define HEADER_BN_H +# define HEADER_BN_H -#include <openssl/e_os2.h> -#ifndef OPENSSL_NO_FP_API -#include <stdio.h> /* FILE */ -#endif -#include <openssl/ossl_typ.h> +# include <openssl/e_os2.h> +# ifndef OPENSSL_NO_FP_API +# include <stdio.h> /* FILE */ +# endif +# include <openssl/ossl_typ.h> #ifdef __cplusplus extern "C" { #endif -/* These preprocessor symbols control various aspects of the bignum headers and - * library code. They're not defined by any "normal" configuration, as they are - * intended for development and testing purposes. NB: defining all three can be - * useful for debugging application code as well as openssl itself. - * - * BN_DEBUG - turn on various debugging alterations to the bignum code - * BN_DEBUG_RAND - uses random poisoning of unused words to trip up +/* + * These preprocessor symbols control various aspects of the bignum headers + * and library code. They're not defined by any "normal" configuration, as + * they are intended for development and testing purposes. NB: defining all + * three can be useful for debugging application code as well as openssl + * itself. BN_DEBUG - turn on various debugging alterations to the bignum + * code BN_DEBUG_RAND - uses random poisoning of unused words to trip up * mismanagement of bignum internals. You must also define BN_DEBUG. */ /* #define BN_DEBUG */ /* #define BN_DEBUG_RAND */ -#define BN_MUL_COMBA -#define BN_SQR_COMBA -#define BN_RECURSION - -/* This next option uses the C libraries (2 word)/(1 word) function. - * If it is not defined, I use my C version (which is slower). - * The reason for this flag is that when the particular C compiler - * library routine is used, and the library is linked with a different - * compiler, the library is missing. This mostly happens when the - * library is built with gcc and then linked using normal cc. This would - * be a common occurrence because gcc normally produces code that is - * 2 times faster than system compilers for the big number stuff. - * For machines with only one compiler (or shared libraries), this should - * be on. Again this in only really a problem on machines - * using "long long's", are 32bit, and are not using my assembler code. */ -#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || \ +# define BN_MUL_COMBA +# define BN_SQR_COMBA +# define BN_RECURSION + +/* + * This next option uses the C libraries (2 word)/(1 word) function. If it is + * not defined, I use my C version (which is slower). The reason for this + * flag is that when the particular C compiler library routine is used, and + * the library is linked with a different compiler, the library is missing. + * This mostly happens when the library is built with gcc and then linked + * using normal cc. This would be a common occurrence because gcc normally + * produces code that is 2 times faster than system compilers for the big + * number stuff. For machines with only one compiler (or shared libraries), + * this should be on. Again this in only really a problem on machines using + * "long long's", are 32bit, and are not using my assembler code. + */ +# if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || \ defined(OPENSSL_SYS_WIN32) || defined(linux) -# ifndef BN_DIV2W -# define BN_DIV2W +# ifndef BN_DIV2W +# define BN_DIV2W +# endif # endif -#endif - -/* assuming long is 64bit - this is the DEC Alpha - * unsigned long long is only 64 bits :-(, don't define - * BN_LLONG for the DEC Alpha */ -#ifdef SIXTY_FOUR_BIT_LONG -#define BN_ULLONG unsigned long long -#define BN_ULONG unsigned long -#define BN_LONG long -#define BN_BITS 128 -#define BN_BYTES 8 -#define BN_BITS2 64 -#define BN_BITS4 32 -#define BN_MASK (0xffffffffffffffffffffffffffffffffLL) -#define BN_MASK2 (0xffffffffffffffffL) -#define BN_MASK2l (0xffffffffL) -#define BN_MASK2h (0xffffffff00000000L) -#define BN_MASK2h1 (0xffffffff80000000L) -#define BN_TBIT (0x8000000000000000L) -#define BN_DEC_CONV (10000000000000000000UL) -#define BN_DEC_FMT1 "%lu" -#define BN_DEC_FMT2 "%019lu" -#define BN_DEC_NUM 19 -#endif -/* This is where the long long data type is 64 bits, but long is 32. - * For machines where there are 64bit registers, this is the mode to use. - * IRIX, on R4000 and above should use this mode, along with the relevant - * assembler code :-). Do NOT define BN_LLONG. +/* + * assuming long is 64bit - this is the DEC Alpha unsigned long long is only + * 64 bits :-(, don't define BN_LLONG for the DEC Alpha */ -#ifdef SIXTY_FOUR_BIT -#undef BN_LLONG -#undef BN_ULLONG -#define BN_ULONG unsigned long long -#define BN_LONG long long -#define BN_BITS 128 -#define BN_BYTES 8 -#define BN_BITS2 64 -#define BN_BITS4 32 -#define BN_MASK2 (0xffffffffffffffffLL) -#define BN_MASK2l (0xffffffffL) -#define BN_MASK2h (0xffffffff00000000LL) -#define BN_MASK2h1 (0xffffffff80000000LL) -#define BN_TBIT (0x8000000000000000LL) -#define BN_DEC_CONV (10000000000000000000ULL) -#define BN_DEC_FMT1 "%llu" -#define BN_DEC_FMT2 "%019llu" -#define BN_DEC_NUM 19 -#endif +# ifdef SIXTY_FOUR_BIT_LONG +# define BN_ULLONG unsigned long long +# define BN_ULONG unsigned long +# define BN_LONG long +# define BN_BITS 128 +# define BN_BYTES 8 +# define BN_BITS2 64 +# define BN_BITS4 32 +# define BN_MASK (0xffffffffffffffffffffffffffffffffLL) +# define BN_MASK2 (0xffffffffffffffffL) +# define BN_MASK2l (0xffffffffL) +# define BN_MASK2h (0xffffffff00000000L) +# define BN_MASK2h1 (0xffffffff80000000L) +# define BN_TBIT (0x8000000000000000L) +# define BN_DEC_CONV (10000000000000000000UL) +# define BN_DEC_FMT1 "%lu" +# define BN_DEC_FMT2 "%019lu" +# define BN_DEC_NUM 19 +# endif -#ifdef THIRTY_TWO_BIT -#ifdef BN_LLONG -# if defined(OPENSSL_SYS_WIN32) && !defined(__GNUC__) -# define BN_ULLONG unsigned __int64 -# else -# define BN_ULLONG unsigned long long +/* + * This is where the long long data type is 64 bits, but long is 32. For + * machines where there are 64bit registers, this is the mode to use. IRIX, + * on R4000 and above should use this mode, along with the relevant assembler + * code :-). Do NOT define BN_LLONG. + */ +# ifdef SIXTY_FOUR_BIT +# undef BN_LLONG +# undef BN_ULLONG +# define BN_ULONG unsigned long long +# define BN_LONG long long +# define BN_BITS 128 +# define BN_BYTES 8 +# define BN_BITS2 64 +# define BN_BITS4 32 +# define BN_MASK2 (0xffffffffffffffffLL) +# define BN_MASK2l (0xffffffffL) +# define BN_MASK2h (0xffffffff00000000LL) +# define BN_MASK2h1 (0xffffffff80000000LL) +# define BN_TBIT (0x8000000000000000LL) +# define BN_DEC_CONV (10000000000000000000ULL) +# define BN_DEC_FMT1 "%llu" +# define BN_DEC_FMT2 "%019llu" +# define BN_DEC_NUM 19 # endif -#endif -#define BN_ULONG unsigned long -#define BN_LONG long -#define BN_BITS 64 -#define BN_BYTES 4 -#define BN_BITS2 32 -#define BN_BITS4 16 -#ifdef OPENSSL_SYS_WIN32 + +# ifdef THIRTY_TWO_BIT +# ifdef BN_LLONG +# if defined(OPENSSL_SYS_WIN32) && !defined(__GNUC__) +# define BN_ULLONG unsigned __int64 +# else +# define BN_ULLONG unsigned long long +# endif +# endif +# define BN_ULONG unsigned long +# define BN_LONG long +# define BN_BITS 64 +# define BN_BYTES 4 +# define BN_BITS2 32 +# define BN_BITS4 16 +# ifdef OPENSSL_SYS_WIN32 /* VC++ doesn't like the LL suffix */ -#define BN_MASK (0xffffffffffffffffL) -#else -#define BN_MASK (0xffffffffffffffffLL) -#endif -#define BN_MASK2 (0xffffffffL) -#define BN_MASK2l (0xffff) -#define BN_MASK2h1 (0xffff8000L) -#define BN_MASK2h (0xffff0000L) -#define BN_TBIT (0x80000000L) -#define BN_DEC_CONV (1000000000L) -#define BN_DEC_FMT1 "%lu" -#define BN_DEC_FMT2 "%09lu" -#define BN_DEC_NUM 9 -#endif +# define BN_MASK (0xffffffffffffffffL) +# else +# define BN_MASK (0xffffffffffffffffLL) +# endif +# define BN_MASK2 (0xffffffffL) +# define BN_MASK2l (0xffff) +# define BN_MASK2h1 (0xffff8000L) +# define BN_MASK2h (0xffff0000L) +# define BN_TBIT (0x80000000L) +# define BN_DEC_CONV (1000000000L) +# define BN_DEC_FMT1 "%lu" +# define BN_DEC_FMT2 "%09lu" +# define BN_DEC_NUM 9 +# endif -#ifdef SIXTEEN_BIT -#ifndef BN_DIV2W -#define BN_DIV2W -#endif -#define BN_ULLONG unsigned long -#define BN_ULONG unsigned short -#define BN_LONG short -#define BN_BITS 32 -#define BN_BYTES 2 -#define BN_BITS2 16 -#define BN_BITS4 8 -#define BN_MASK (0xffffffff) -#define BN_MASK2 (0xffff) -#define BN_MASK2l (0xff) -#define BN_MASK2h1 (0xff80) -#define BN_MASK2h (0xff00) -#define BN_TBIT (0x8000) -#define BN_DEC_CONV (100000) -#define BN_DEC_FMT1 "%u" -#define BN_DEC_FMT2 "%05u" -#define BN_DEC_NUM 5 -#endif +# ifdef SIXTEEN_BIT +# ifndef BN_DIV2W +# define BN_DIV2W +# endif +# define BN_ULLONG unsigned long +# define BN_ULONG unsigned short +# define BN_LONG short +# define BN_BITS 32 +# define BN_BYTES 2 +# define BN_BITS2 16 +# define BN_BITS4 8 +# define BN_MASK (0xffffffff) +# define BN_MASK2 (0xffff) +# define BN_MASK2l (0xff) +# define BN_MASK2h1 (0xff80) +# define BN_MASK2h (0xff00) +# define BN_TBIT (0x8000) +# define BN_DEC_CONV (100000) +# define BN_DEC_FMT1 "%u" +# define BN_DEC_FMT2 "%05u" +# define BN_DEC_NUM 5 +# endif -#ifdef EIGHT_BIT -#ifndef BN_DIV2W -#define BN_DIV2W -#endif -#define BN_ULLONG unsigned short -#define BN_ULONG unsigned char -#define BN_LONG char -#define BN_BITS 16 -#define BN_BYTES 1 -#define BN_BITS2 8 -#define BN_BITS4 4 -#define BN_MASK (0xffff) -#define BN_MASK2 (0xff) -#define BN_MASK2l (0xf) -#define BN_MASK2h1 (0xf8) -#define BN_MASK2h (0xf0) -#define BN_TBIT (0x80) -#define BN_DEC_CONV (100) -#define BN_DEC_FMT1 "%u" -#define BN_DEC_FMT2 "%02u" -#define BN_DEC_NUM 2 -#endif +# ifdef EIGHT_BIT +# ifndef BN_DIV2W +# define BN_DIV2W +# endif +# define BN_ULLONG unsigned short +# define BN_ULONG unsigned char +# define BN_LONG char +# define BN_BITS 16 +# define BN_BYTES 1 +# define BN_BITS2 8 +# define BN_BITS4 4 +# define BN_MASK (0xffff) +# define BN_MASK2 (0xff) +# define BN_MASK2l (0xf) +# define BN_MASK2h1 (0xf8) +# define BN_MASK2h (0xf0) +# define BN_TBIT (0x80) +# define BN_DEC_CONV (100) +# define BN_DEC_FMT1 "%u" +# define BN_DEC_FMT2 "%02u" +# define BN_DEC_NUM 2 +# endif -#define BN_DEFAULT_BITS 1280 +# define BN_DEFAULT_BITS 1280 -#define BN_FLG_MALLOCED 0x01 -#define BN_FLG_STATIC_DATA 0x02 +# define BN_FLG_MALLOCED 0x01 +# define BN_FLG_STATIC_DATA 0x02 /* * avoid leaking exponent information through timing, @@ -252,26 +255,29 @@ extern "C" { * BN_div() will call BN_div_no_branch, * BN_mod_inverse() will call BN_mod_inverse_no_branch. */ -#define BN_FLG_CONSTTIME 0x04 +# define BN_FLG_CONSTTIME 0x04 -#ifdef OPENSSL_NO_DEPRECATED +# ifdef OPENSSL_NO_DEPRECATED /* deprecated name for the flag */ -#define BN_FLG_EXP_CONSTTIME BN_FLG_CONSTTIME +# define BN_FLG_EXP_CONSTTIME BN_FLG_CONSTTIME /* * avoid leaking exponent information through timings * (BN_mod_exp_mont() will call BN_mod_exp_mont_consttime) */ -#endif +# endif -#ifndef OPENSSL_NO_DEPRECATED -#define BN_FLG_FREE 0x8000 /* used for debuging */ -#endif -#define BN_set_flags(b,n) ((b)->flags|=(n)) -#define BN_get_flags(b,n) ((b)->flags&(n)) +# ifndef OPENSSL_NO_DEPRECATED +# define BN_FLG_FREE 0x8000 + /* used for debuging */ +# endif +# define BN_set_flags(b,n) ((b)->flags|=(n)) +# define BN_get_flags(b,n) ((b)->flags&(n)) -/* get a clone of a BIGNUM with changed flags, for *temporary* use only - * (the two BIGNUMs cannot not be used in parallel!) */ -#define BN_with_flags(dest,b,n) ((dest)->d=(b)->d, \ +/* + * get a clone of a BIGNUM with changed flags, for *temporary* use only (the + * two BIGNUMs cannot not be used in parallel!) + */ +# define BN_with_flags(dest,b,n) ((dest)->d=(b)->d, \ (dest)->top=(b)->top, \ (dest)->dmax=(b)->dmax, \ (dest)->neg=(b)->neg, \ @@ -281,7 +287,7 @@ extern "C" { | (n))) /* Already declared in ossl_typ.h */ -#if 0 +# if 0 typedef struct bignum_st BIGNUM; /* Used for temp variables (declaration hidden in bn_lcl.h) */ typedef struct bignum_ctx BN_CTX; @@ -289,84 +295,84 @@ typedef struct bn_blinding_st BN_BLINDING; typedef struct bn_mont_ctx_st BN_MONT_CTX; typedef struct bn_recp_ctx_st BN_RECP_CTX; typedef struct bn_gencb_st BN_GENCB; -#endif +# endif -struct bignum_st - { - BN_ULONG *d; /* Pointer to an array of 'BN_BITS2' bit chunks. */ - int top; /* Index of last used d +1. */ - /* The next are internal book keeping for bn_expand. */ - int dmax; /* Size of the d array. */ - int neg; /* one if the number is negative */ - int flags; - }; +struct bignum_st { + BN_ULONG *d; /* Pointer to an array of 'BN_BITS2' bit + * chunks. */ + int top; /* Index of last used d +1. */ + /* The next are internal book keeping for bn_expand. */ + int dmax; /* Size of the d array. */ + int neg; /* one if the number is negative */ + int flags; +}; /* Used for montgomery multiplication */ -struct bn_mont_ctx_st - { - int ri; /* number of bits in R */ - BIGNUM RR; /* used to convert to montgomery form */ - BIGNUM N; /* The modulus */ - BIGNUM Ni; /* R*(1/R mod N) - N*Ni = 1 - * (Ni is only stored for bignum algorithm) */ -#if 0 - /* OpenSSL 0.9.9 preview: */ - BN_ULONG n0[2];/* least significant word(s) of Ni */ -#else - BN_ULONG n0; /* least significant word of Ni */ -#endif - int flags; - }; +struct bn_mont_ctx_st { + int ri; /* number of bits in R */ + BIGNUM RR; /* used to convert to montgomery form */ + BIGNUM N; /* The modulus */ + BIGNUM Ni; /* R*(1/R mod N) - N*Ni = 1 (Ni is only + * stored for bignum algorithm) */ +# if 0 + /* OpenSSL 0.9.9 preview: */ + BN_ULONG n0[2]; /* least significant word(s) of Ni */ +# else + BN_ULONG n0; /* least significant word of Ni */ +# endif + int flags; +}; -/* Used for reciprocal division/mod functions - * It cannot be shared between threads +/* + * Used for reciprocal division/mod functions It cannot be shared between + * threads */ -struct bn_recp_ctx_st - { - BIGNUM N; /* the divisor */ - BIGNUM Nr; /* the reciprocal */ - int num_bits; - int shift; - int flags; - }; +struct bn_recp_ctx_st { + BIGNUM N; /* the divisor */ + BIGNUM Nr; /* the reciprocal */ + int num_bits; + int shift; + int flags; +}; /* Used for slow "generation" functions. */ -struct bn_gencb_st - { - unsigned int ver; /* To handle binary (in)compatibility */ - void *arg; /* callback-specific data */ - union - { - /* if(ver==1) - handles old style callbacks */ - void (*cb_1)(int, int, void *); - /* if(ver==2) - new callback style */ - int (*cb_2)(int, int, BN_GENCB *); - } cb; - }; +struct bn_gencb_st { + unsigned int ver; /* To handle binary (in)compatibility */ + void *arg; /* callback-specific data */ + union { + /* if(ver==1) - handles old style callbacks */ + void (*cb_1) (int, int, void *); + /* if(ver==2) - new callback style */ + int (*cb_2) (int, int, BN_GENCB *); + } cb; +}; /* Wrapper function to make using BN_GENCB easier, */ int BN_GENCB_call(BN_GENCB *cb, int a, int b); /* Macro to populate a BN_GENCB structure with an "old"-style callback */ -#define BN_GENCB_set_old(gencb, callback, cb_arg) { \ - BN_GENCB *tmp_gencb = (gencb); \ - tmp_gencb->ver = 1; \ - tmp_gencb->arg = (cb_arg); \ - tmp_gencb->cb.cb_1 = (callback); } +# define BN_GENCB_set_old(gencb, callback, cb_arg) { \ + BN_GENCB *tmp_gencb = (gencb); \ + tmp_gencb->ver = 1; \ + tmp_gencb->arg = (cb_arg); \ + tmp_gencb->cb.cb_1 = (callback); } /* Macro to populate a BN_GENCB structure with a "new"-style callback */ -#define BN_GENCB_set(gencb, callback, cb_arg) { \ - BN_GENCB *tmp_gencb = (gencb); \ - tmp_gencb->ver = 2; \ - tmp_gencb->arg = (cb_arg); \ - tmp_gencb->cb.cb_2 = (callback); } - -#define BN_prime_checks 0 /* default: select number of iterations - based on the size of the number */ - -/* number of Miller-Rabin iterations for an error rate of less than 2^-80 - * for random 'b'-bit input, b >= 100 (taken from table 4.4 in the Handbook - * of Applied Cryptography [Menezes, van Oorschot, Vanstone; CRC Press 1996]; - * original paper: Damgaard, Landrock, Pomerance: Average case error estimates - * for the strong probable prime test. -- Math. Comp. 61 (1993) 177-194) */ -#define BN_prime_checks_for_size(b) ((b) >= 1300 ? 2 : \ +# define BN_GENCB_set(gencb, callback, cb_arg) { \ + BN_GENCB *tmp_gencb = (gencb); \ + tmp_gencb->ver = 2; \ + tmp_gencb->arg = (cb_arg); \ + tmp_gencb->cb.cb_2 = (callback); } + +# define BN_prime_checks 0 /* default: select number of iterations based + * on the size of the number */ + +/* + * number of Miller-Rabin iterations for an error rate of less than 2^-80 for + * random 'b'-bit input, b >= 100 (taken from table 4.4 in the Handbook of + * Applied Cryptography [Menezes, van Oorschot, Vanstone; CRC Press 1996]; + * original paper: Damgaard, Landrock, Pomerance: Average case error + * estimates for the strong probable prime test. -- Math. Comp. 61 (1993) + * 177-194) + */ +# define BN_prime_checks_for_size(b) ((b) >= 1300 ? 2 : \ (b) >= 850 ? 3 : \ (b) >= 650 ? 4 : \ (b) >= 550 ? 5 : \ @@ -379,264 +385,276 @@ int BN_GENCB_call(BN_GENCB *cb, int a, int b); (b) >= 150 ? 18 : \ /* b >= 100 */ 27) -#define BN_num_bytes(a) ((BN_num_bits(a)+7)/8) +# define BN_num_bytes(a) ((BN_num_bits(a)+7)/8) /* Note that BN_abs_is_word didn't work reliably for w == 0 until 0.9.8 */ -#define BN_abs_is_word(a,w) ((((a)->top == 1) && ((a)->d[0] == (BN_ULONG)(w))) || \ - (((w) == 0) && ((a)->top == 0))) -#define BN_is_zero(a) ((a)->top == 0) -#define BN_is_one(a) (BN_abs_is_word((a),1) && !(a)->neg) -#define BN_is_word(a,w) (BN_abs_is_word((a),(w)) && (!(w) || !(a)->neg)) -#define BN_is_odd(a) (((a)->top > 0) && ((a)->d[0] & 1)) - -#define BN_one(a) (BN_set_word((a),1)) -#define BN_zero_ex(a) \ - do { \ - BIGNUM *_tmp_bn = (a); \ - _tmp_bn->top = 0; \ - _tmp_bn->neg = 0; \ - } while(0) -#ifdef OPENSSL_NO_DEPRECATED -#define BN_zero(a) BN_zero_ex(a) -#else -#define BN_zero(a) (BN_set_word((a),0)) -#endif +# define BN_abs_is_word(a,w) ((((a)->top == 1) && ((a)->d[0] == (BN_ULONG)(w))) || \ + (((w) == 0) && ((a)->top == 0))) +# define BN_is_zero(a) ((a)->top == 0) +# define BN_is_one(a) (BN_abs_is_word((a),1) && !(a)->neg) +# define BN_is_word(a,w) (BN_abs_is_word((a),(w)) && (!(w) || !(a)->neg)) +# define BN_is_odd(a) (((a)->top > 0) && ((a)->d[0] & 1)) + +# define BN_one(a) (BN_set_word((a),1)) +# define BN_zero_ex(a) \ + do { \ + BIGNUM *_tmp_bn = (a); \ + _tmp_bn->top = 0; \ + _tmp_bn->neg = 0; \ + } while(0) +# ifdef OPENSSL_NO_DEPRECATED +# define BN_zero(a) BN_zero_ex(a) +# else +# define BN_zero(a) (BN_set_word((a),0)) +# endif const BIGNUM *BN_value_one(void); -char * BN_options(void); +char *BN_options(void); BN_CTX *BN_CTX_new(void); -#ifndef OPENSSL_NO_DEPRECATED -void BN_CTX_init(BN_CTX *c); -#endif -void BN_CTX_free(BN_CTX *c); -void BN_CTX_start(BN_CTX *ctx); +# ifndef OPENSSL_NO_DEPRECATED +void BN_CTX_init(BN_CTX *c); +# endif +void BN_CTX_free(BN_CTX *c); +void BN_CTX_start(BN_CTX *ctx); BIGNUM *BN_CTX_get(BN_CTX *ctx); -void BN_CTX_end(BN_CTX *ctx); -int BN_rand(BIGNUM *rnd, int bits, int top,int bottom); -int BN_pseudo_rand(BIGNUM *rnd, int bits, int top,int bottom); -int BN_rand_range(BIGNUM *rnd, const BIGNUM *range); -int BN_pseudo_rand_range(BIGNUM *rnd, const BIGNUM *range); -int BN_num_bits(const BIGNUM *a); -int BN_num_bits_word(BN_ULONG); +void BN_CTX_end(BN_CTX *ctx); +int BN_rand(BIGNUM *rnd, int bits, int top, int bottom); +int BN_pseudo_rand(BIGNUM *rnd, int bits, int top, int bottom); +int BN_rand_range(BIGNUM *rnd, const BIGNUM *range); +int BN_pseudo_rand_range(BIGNUM *rnd, const BIGNUM *range); +int BN_num_bits(const BIGNUM *a); +int BN_num_bits_word(BN_ULONG); BIGNUM *BN_new(void); -void BN_init(BIGNUM *); -void BN_clear_free(BIGNUM *a); +void BN_init(BIGNUM *); +void BN_clear_free(BIGNUM *a); BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b); -void BN_swap(BIGNUM *a, BIGNUM *b); -BIGNUM *BN_bin2bn(const unsigned char *s,int len,BIGNUM *ret); -int BN_bn2bin(const BIGNUM *a, unsigned char *to); -BIGNUM *BN_mpi2bn(const unsigned char *s,int len,BIGNUM *ret); -int BN_bn2mpi(const BIGNUM *a, unsigned char *to); -int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); -int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); -int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); -int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); -int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); -int BN_sqr(BIGNUM *r, const BIGNUM *a,BN_CTX *ctx); +void BN_swap(BIGNUM *a, BIGNUM *b); +BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret); +int BN_bn2bin(const BIGNUM *a, unsigned char *to); +BIGNUM *BN_mpi2bn(const unsigned char *s, int len, BIGNUM *ret); +int BN_bn2mpi(const BIGNUM *a, unsigned char *to); +int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); +int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); +int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); +int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); +int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); +int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx); /** BN_set_negative sets sign of a BIGNUM * \param b pointer to the BIGNUM object - * \param n 0 if the BIGNUM b should be positive and a value != 0 otherwise + * \param n 0 if the BIGNUM b should be positive and a value != 0 otherwise */ -void BN_set_negative(BIGNUM *b, int n); +void BN_set_negative(BIGNUM *b, int n); /** BN_is_negative returns 1 if the BIGNUM is negative * \param a pointer to the BIGNUM object * \return 1 if a < 0 and 0 otherwise */ -#define BN_is_negative(a) ((a)->neg != 0) - -int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, - BN_CTX *ctx); -#define BN_mod(rem,m,d,ctx) BN_div(NULL,(rem),(m),(d),(ctx)) -int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx); -int BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx); -int BN_mod_add_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m); -int BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx); -int BN_mod_sub_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m); -int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, - const BIGNUM *m, BN_CTX *ctx); -int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); -int BN_mod_lshift1(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); -int BN_mod_lshift1_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *m); -int BN_mod_lshift(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m, BN_CTX *ctx); -int BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m); +# define BN_is_negative(a) ((a)->neg != 0) + +int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, + BN_CTX *ctx); +# define BN_mod(rem,m,d,ctx) BN_div(NULL,(rem),(m),(d),(ctx)) +int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx); +int BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, + BN_CTX *ctx); +int BN_mod_add_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, + const BIGNUM *m); +int BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, + BN_CTX *ctx); +int BN_mod_sub_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, + const BIGNUM *m); +int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, + BN_CTX *ctx); +int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); +int BN_mod_lshift1(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx); +int BN_mod_lshift1_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *m); +int BN_mod_lshift(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m, + BN_CTX *ctx); +int BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m); BN_ULONG BN_mod_word(const BIGNUM *a, BN_ULONG w); BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w); -int BN_mul_word(BIGNUM *a, BN_ULONG w); -int BN_add_word(BIGNUM *a, BN_ULONG w); -int BN_sub_word(BIGNUM *a, BN_ULONG w); -int BN_set_word(BIGNUM *a, BN_ULONG w); +int BN_mul_word(BIGNUM *a, BN_ULONG w); +int BN_add_word(BIGNUM *a, BN_ULONG w); +int BN_sub_word(BIGNUM *a, BN_ULONG w); +int BN_set_word(BIGNUM *a, BN_ULONG w); BN_ULONG BN_get_word(const BIGNUM *a); -int BN_cmp(const BIGNUM *a, const BIGNUM *b); -void BN_free(BIGNUM *a); -int BN_is_bit_set(const BIGNUM *a, int n); -int BN_lshift(BIGNUM *r, const BIGNUM *a, int n); -int BN_lshift1(BIGNUM *r, const BIGNUM *a); -int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,BN_CTX *ctx); - -int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m,BN_CTX *ctx); -int BN_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); +int BN_cmp(const BIGNUM *a, const BIGNUM *b); +void BN_free(BIGNUM *a); +int BN_is_bit_set(const BIGNUM *a, int n); +int BN_lshift(BIGNUM *r, const BIGNUM *a, int n); +int BN_lshift1(BIGNUM *r, const BIGNUM *a); +int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx); + +int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx); +int BN_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); int BN_mod_exp_mont_consttime(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont); -int BN_mod_exp_mont_word(BIGNUM *r, BN_ULONG a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -int BN_mod_exp2_mont(BIGNUM *r, const BIGNUM *a1, const BIGNUM *p1, - const BIGNUM *a2, const BIGNUM *p2,const BIGNUM *m, - BN_CTX *ctx,BN_MONT_CTX *m_ctx); -int BN_mod_exp_simple(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m,BN_CTX *ctx); - -int BN_mask_bits(BIGNUM *a,int n); -#ifndef OPENSSL_NO_FP_API -int BN_print_fp(FILE *fp, const BIGNUM *a); -#endif -#ifdef HEADER_BIO_H -int BN_print(BIO *fp, const BIGNUM *a); -#else -int BN_print(void *fp, const BIGNUM *a); -#endif -int BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx); -int BN_rshift(BIGNUM *r, const BIGNUM *a, int n); -int BN_rshift1(BIGNUM *r, const BIGNUM *a); -void BN_clear(BIGNUM *a); + const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *in_mont); +int BN_mod_exp_mont_word(BIGNUM *r, BN_ULONG a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); +int BN_mod_exp2_mont(BIGNUM *r, const BIGNUM *a1, const BIGNUM *p1, + const BIGNUM *a2, const BIGNUM *p2, const BIGNUM *m, + BN_CTX *ctx, BN_MONT_CTX *m_ctx); +int BN_mod_exp_simple(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx); + +int BN_mask_bits(BIGNUM *a, int n); +# ifndef OPENSSL_NO_FP_API +int BN_print_fp(FILE *fp, const BIGNUM *a); +# endif +# ifdef HEADER_BIO_H +int BN_print(BIO *fp, const BIGNUM *a); +# else +int BN_print(void *fp, const BIGNUM *a); +# endif +int BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx); +int BN_rshift(BIGNUM *r, const BIGNUM *a, int n); +int BN_rshift1(BIGNUM *r, const BIGNUM *a); +void BN_clear(BIGNUM *a); BIGNUM *BN_dup(const BIGNUM *a); -int BN_ucmp(const BIGNUM *a, const BIGNUM *b); -int BN_set_bit(BIGNUM *a, int n); -int BN_clear_bit(BIGNUM *a, int n); -char * BN_bn2hex(const BIGNUM *a); -char * BN_bn2dec(const BIGNUM *a); -int BN_hex2bn(BIGNUM **a, const char *str); -int BN_dec2bn(BIGNUM **a, const char *str); -int BN_gcd(BIGNUM *r,const BIGNUM *a,const BIGNUM *b,BN_CTX *ctx); -int BN_kronecker(const BIGNUM *a,const BIGNUM *b,BN_CTX *ctx); /* returns -2 for error */ +int BN_ucmp(const BIGNUM *a, const BIGNUM *b); +int BN_set_bit(BIGNUM *a, int n); +int BN_clear_bit(BIGNUM *a, int n); +char *BN_bn2hex(const BIGNUM *a); +char *BN_bn2dec(const BIGNUM *a); +int BN_hex2bn(BIGNUM **a, const char *str); +int BN_dec2bn(BIGNUM **a, const char *str); +int BN_gcd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); +int BN_kronecker(const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); /* returns + * -2 for + * error */ BIGNUM *BN_mod_inverse(BIGNUM *ret, - const BIGNUM *a, const BIGNUM *n,BN_CTX *ctx); + const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx); BIGNUM *BN_mod_sqrt(BIGNUM *ret, - const BIGNUM *a, const BIGNUM *n,BN_CTX *ctx); + const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx); -void BN_consttime_swap(BN_ULONG swap, BIGNUM *a, BIGNUM *b, int nwords); +void BN_consttime_swap(BN_ULONG swap, BIGNUM *a, BIGNUM *b, int nwords); /* Deprecated versions */ -#ifndef OPENSSL_NO_DEPRECATED -BIGNUM *BN_generate_prime(BIGNUM *ret,int bits,int safe, - const BIGNUM *add, const BIGNUM *rem, - void (*callback)(int,int,void *),void *cb_arg); -int BN_is_prime(const BIGNUM *p,int nchecks, - void (*callback)(int,int,void *), - BN_CTX *ctx,void *cb_arg); -int BN_is_prime_fasttest(const BIGNUM *p,int nchecks, - void (*callback)(int,int,void *),BN_CTX *ctx,void *cb_arg, - int do_trial_division); -#endif /* !defined(OPENSSL_NO_DEPRECATED) */ +# ifndef OPENSSL_NO_DEPRECATED +BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe, + const BIGNUM *add, const BIGNUM *rem, + void (*callback) (int, int, void *), void *cb_arg); +int BN_is_prime(const BIGNUM *p, int nchecks, + void (*callback) (int, int, void *), + BN_CTX *ctx, void *cb_arg); +int BN_is_prime_fasttest(const BIGNUM *p, int nchecks, + void (*callback) (int, int, void *), BN_CTX *ctx, + void *cb_arg, int do_trial_division); +# endif /* !defined(OPENSSL_NO_DEPRECATED) */ /* Newer versions */ -int BN_generate_prime_ex(BIGNUM *ret,int bits,int safe, const BIGNUM *add, - const BIGNUM *rem, BN_GENCB *cb); -int BN_is_prime_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx, BN_GENCB *cb); -int BN_is_prime_fasttest_ex(const BIGNUM *p,int nchecks, BN_CTX *ctx, - int do_trial_division, BN_GENCB *cb); +int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe, const BIGNUM *add, + const BIGNUM *rem, BN_GENCB *cb); +int BN_is_prime_ex(const BIGNUM *p, int nchecks, BN_CTX *ctx, BN_GENCB *cb); +int BN_is_prime_fasttest_ex(const BIGNUM *p, int nchecks, BN_CTX *ctx, + int do_trial_division, BN_GENCB *cb); int BN_X931_generate_Xpq(BIGNUM *Xp, BIGNUM *Xq, int nbits, BN_CTX *ctx); int BN_X931_derive_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2, - const BIGNUM *Xp, const BIGNUM *Xp1, const BIGNUM *Xp2, - const BIGNUM *e, BN_CTX *ctx, BN_GENCB *cb); -int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2, - BIGNUM *Xp1, BIGNUM *Xp2, - const BIGNUM *Xp, - const BIGNUM *e, BN_CTX *ctx, - BN_GENCB *cb); - -BN_MONT_CTX *BN_MONT_CTX_new(void ); + const BIGNUM *Xp, const BIGNUM *Xp1, + const BIGNUM *Xp2, const BIGNUM *e, BN_CTX *ctx, + BN_GENCB *cb); +int BN_X931_generate_prime_ex(BIGNUM *p, BIGNUM *p1, BIGNUM *p2, BIGNUM *Xp1, + BIGNUM *Xp2, const BIGNUM *Xp, const BIGNUM *e, + BN_CTX *ctx, BN_GENCB *cb); + +BN_MONT_CTX *BN_MONT_CTX_new(void); void BN_MONT_CTX_init(BN_MONT_CTX *ctx); -int BN_mod_mul_montgomery(BIGNUM *r,const BIGNUM *a,const BIGNUM *b, - BN_MONT_CTX *mont, BN_CTX *ctx); -#define BN_to_montgomery(r,a,mont,ctx) BN_mod_mul_montgomery(\ - (r),(a),&((mont)->RR),(mont),(ctx)) -int BN_from_montgomery(BIGNUM *r,const BIGNUM *a, - BN_MONT_CTX *mont, BN_CTX *ctx); +int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, + BN_MONT_CTX *mont, BN_CTX *ctx); +# define BN_to_montgomery(r,a,mont,ctx) BN_mod_mul_montgomery(\ + (r),(a),&((mont)->RR),(mont),(ctx)) +int BN_from_montgomery(BIGNUM *r, const BIGNUM *a, + |