revert between 56095 -> 55830 in arch
[AROS.git] / workbench / devs / diskimage / include / amigaos / openssl / bn.h
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1 /* crypto/bn/bn.h */
2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
59 #ifndef PROTO_AMISSL_H
60 #include <proto/amissl.h>
61 #endif /* PROTO_AMISSL_H */
63 #ifndef HEADER_BN_H
64 #define HEADER_BN_H
66 #include <openssl/e_os2.h>
67 #ifndef OPENSSL_NO_FP_API
68 #include <stdio.h> /* FILE */
69 #endif
71 #ifdef __cplusplus
72 extern "C" {
73 #endif
75 #ifdef OPENSSL_SYS_VMS
76 #undef BN_LLONG /* experimental, so far... */
77 #endif
79 #define BN_MUL_COMBA
80 #define BN_SQR_COMBA
81 #define BN_RECURSION
83 /* This next option uses the C libraries (2 word)/(1 word) function.
84 * If it is not defined, I use my C version (which is slower).
85 * The reason for this flag is that when the particular C compiler
86 * library routine is used, and the library is linked with a different
87 * compiler, the library is missing. This mostly happens when the
88 * library is built with gcc and then linked using normal cc. This would
89 * be a common occurrence because gcc normally produces code that is
90 * 2 times faster than system compilers for the big number stuff.
91 * For machines with only one compiler (or shared libraries), this should
92 * be on. Again this in only really a problem on machines
93 * using "long long's", are 32bit, and are not using my assembler code. */
94 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS) || \
95 defined(OPENSSL_SYS_WIN32) || defined(linux)
96 # ifndef BN_DIV2W
97 # define BN_DIV2W
98 # endif
99 #endif
101 /* assuming long is 64bit - this is the DEC Alpha
102 * unsigned long long is only 64 bits :-(, don't define
103 * BN_LLONG for the DEC Alpha */
104 #ifdef SIXTY_FOUR_BIT_LONG
105 #define BN_ULLONG unsigned long long
106 #define BN_ULONG unsigned long
107 #define BN_LONG long
108 #define BN_BITS 128
109 #define BN_BYTES 8
110 #define BN_BITS2 64
111 #define BN_BITS4 32
112 #define BN_MASK (0xffffffffffffffffffffffffffffffffLL)
113 #define BN_MASK2 (0xffffffffffffffffL)
114 #define BN_MASK2l (0xffffffffL)
115 #define BN_MASK2h (0xffffffff00000000L)
116 #define BN_MASK2h1 (0xffffffff80000000L)
117 #define BN_TBIT (0x8000000000000000L)
118 #define BN_DEC_CONV (10000000000000000000UL)
119 #define BN_DEC_FMT1 "%lu"
120 #define BN_DEC_FMT2 "%019lu"
121 #define BN_DEC_NUM 19
122 #endif
124 /* This is where the long long data type is 64 bits, but long is 32.
125 * For machines where there are 64bit registers, this is the mode to use.
126 * IRIX, on R4000 and above should use this mode, along with the relevant
127 * assembler code :-). Do NOT define BN_LLONG.
129 #ifdef SIXTY_FOUR_BIT
130 #undef BN_LLONG
131 #undef BN_ULLONG
132 #define BN_ULONG unsigned long long
133 #define BN_LONG long long
134 #define BN_BITS 128
135 #define BN_BYTES 8
136 #define BN_BITS2 64
137 #define BN_BITS4 32
138 #define BN_MASK2 (0xffffffffffffffffLL)
139 #define BN_MASK2l (0xffffffffL)
140 #define BN_MASK2h (0xffffffff00000000LL)
141 #define BN_MASK2h1 (0xffffffff80000000LL)
142 #define BN_TBIT (0x8000000000000000LL)
143 #define BN_DEC_CONV (10000000000000000000ULL)
144 #define BN_DEC_FMT1 "%llu"
145 #define BN_DEC_FMT2 "%019llu"
146 #define BN_DEC_NUM 19
147 #endif
149 #ifdef THIRTY_TWO_BIT
150 #if defined(OPENSSL_SYS_WIN32) && !defined(__GNUC__)
151 #define BN_ULLONG unsigned _int64
152 #else
153 #define BN_ULLONG unsigned long long
154 #endif
155 #define BN_ULONG unsigned long
156 #define BN_LONG long
157 #define BN_BITS 64
158 #define BN_BYTES 4
159 #define BN_BITS2 32
160 #define BN_BITS4 16
161 #ifdef OPENSSL_SYS_WIN32
162 /* VC++ doesn't like the LL suffix */
163 #define BN_MASK (0xffffffffffffffffL)
164 #else
165 #define BN_MASK (0xffffffffffffffffLL)
166 #endif
167 #define BN_MASK2 (0xffffffffL)
168 #define BN_MASK2l (0xffff)
169 #define BN_MASK2h1 (0xffff8000L)
170 #define BN_MASK2h (0xffff0000L)
171 #define BN_TBIT (0x80000000L)
172 #define BN_DEC_CONV (1000000000L)
173 #define BN_DEC_FMT1 "%lu"
174 #define BN_DEC_FMT2 "%09lu"
175 #define BN_DEC_NUM 9
176 #endif
178 #ifdef SIXTEEN_BIT
179 #ifndef BN_DIV2W
180 #define BN_DIV2W
181 #endif
182 #define BN_ULLONG unsigned long
183 #define BN_ULONG unsigned short
184 #define BN_LONG short
185 #define BN_BITS 32
186 #define BN_BYTES 2
187 #define BN_BITS2 16
188 #define BN_BITS4 8
189 #define BN_MASK (0xffffffff)
190 #define BN_MASK2 (0xffff)
191 #define BN_MASK2l (0xff)
192 #define BN_MASK2h1 (0xff80)
193 #define BN_MASK2h (0xff00)
194 #define BN_TBIT (0x8000)
195 #define BN_DEC_CONV (100000)
196 #define BN_DEC_FMT1 "%u"
197 #define BN_DEC_FMT2 "%05u"
198 #define BN_DEC_NUM 5
199 #endif
201 #ifdef EIGHT_BIT
202 #ifndef BN_DIV2W
203 #define BN_DIV2W
204 #endif
205 #define BN_ULLONG unsigned short
206 #define BN_ULONG unsigned char
207 #define BN_LONG char
208 #define BN_BITS 16
209 #define BN_BYTES 1
210 #define BN_BITS2 8
211 #define BN_BITS4 4
212 #define BN_MASK (0xffff)
213 #define BN_MASK2 (0xff)
214 #define BN_MASK2l (0xf)
215 #define BN_MASK2h1 (0xf8)
216 #define BN_MASK2h (0xf0)
217 #define BN_TBIT (0x80)
218 #define BN_DEC_CONV (100)
219 #define BN_DEC_FMT1 "%u"
220 #define BN_DEC_FMT2 "%02u"
221 #define BN_DEC_NUM 2
222 #endif
224 #define BN_DEFAULT_BITS 1280
226 #ifdef BIGNUM
227 #undef BIGNUM
228 #endif
230 #define BN_FLG_MALLOCED 0x01
231 #define BN_FLG_STATIC_DATA 0x02
232 #define BN_FLG_FREE 0x8000 /* used for debuging */
233 #define BN_set_flags(b,n) ((b)->flags|=(n))
234 #define BN_get_flags(b,n) ((b)->flags&(n))
236 typedef struct bignum_st
238 BN_ULONG *d; /* Pointer to an array of 'BN_BITS2' bit chunks. */
239 int top; /* Index of last used d +1. */
240 /* The next are internal book keeping for bn_expand. */
241 int dmax; /* Size of the d array. */
242 int neg; /* one if the number is negative */
243 int flags;
244 } BIGNUM;
246 /* Used for temp variables (declaration hidden in bn_lcl.h) */
247 typedef struct bignum_ctx BN_CTX;
249 typedef struct bn_blinding_st
251 int init;
252 BIGNUM *A;
253 BIGNUM *Ai;
254 BIGNUM *mod; /* just a reference */
255 unsigned long thread_id; /* added in OpenSSL 0.9.6j and 0.9.7b;
256 * used only by crypto/rsa/rsa_eay.c, rsa_lib.c */
257 } BN_BLINDING;
259 /* Used for montgomery multiplication */
260 typedef struct bn_mont_ctx_st
262 int ri; /* number of bits in R */
263 BIGNUM RR; /* used to convert to montgomery form */
264 BIGNUM N; /* The modulus */
265 BIGNUM Ni; /* R*(1/R mod N) - N*Ni = 1
266 * (Ni is only stored for bignum algorithm) */
267 BN_ULONG n0; /* least significant word of Ni */
268 int flags;
269 } BN_MONT_CTX;
271 /* Used for reciprocal division/mod functions
272 * It cannot be shared between threads
274 typedef struct bn_recp_ctx_st
276 BIGNUM N; /* the divisor */
277 BIGNUM Nr; /* the reciprocal */
278 int num_bits;
279 int shift;
280 int flags;
281 } BN_RECP_CTX;
283 #define BN_prime_checks 0 /* default: select number of iterations
284 based on the size of the number */
286 /* number of Miller-Rabin iterations for an error rate of less than 2^-80
287 * for random 'b'-bit input, b >= 100 (taken from table 4.4 in the Handbook
288 * of Applied Cryptography [Menezes, van Oorschot, Vanstone; CRC Press 1996];
289 * original paper: Damgaard, Landrock, Pomerance: Average case error estimates
290 * for the strong probable prime test. -- Math. Comp. 61 (1993) 177-194) */
291 #define BN_prime_checks_for_size(b) ((b) >= 1300 ? 2 : \
292 (b) >= 850 ? 3 : \
293 (b) >= 650 ? 4 : \
294 (b) >= 550 ? 5 : \
295 (b) >= 450 ? 6 : \
296 (b) >= 400 ? 7 : \
297 (b) >= 350 ? 8 : \
298 (b) >= 300 ? 9 : \
299 (b) >= 250 ? 12 : \
300 (b) >= 200 ? 15 : \
301 (b) >= 150 ? 18 : \
302 /* b >= 100 */ 27)
304 #define BN_num_bytes(a) ((BN_num_bits(a)+7)/8)
306 /* Note that BN_abs_is_word does not work reliably for w == 0 */
307 #define BN_abs_is_word(a,w) (((a)->top == 1) && ((a)->d[0] == (BN_ULONG)(w)))
308 #define BN_is_zero(a) (((a)->top == 0) || BN_abs_is_word(a,0))
309 #define BN_is_one(a) (BN_abs_is_word((a),1) && !(a)->neg)
310 #define BN_is_word(a,w) ((w) ? BN_abs_is_word((a),(w)) && !(a)->neg : \
311 BN_is_zero((a)))
312 #define BN_is_odd(a) (((a)->top > 0) && ((a)->d[0] & 1))
314 #define BN_one(a) (BN_set_word((a),1))
315 #define BN_zero(a) (BN_set_word((a),0))
317 /*#define BN_ascii2bn(a) BN_hex2bn(a) */
318 /*#define BN_bn2ascii(a) BN_bn2hex(a) */
320 const BIGNUM *BN_value_one(void);
321 char * BN_options(void);
322 BN_CTX *BN_CTX_new(void);
323 void BN_CTX_init(BN_CTX *c);
324 void BN_CTX_free(BN_CTX *c);
325 void BN_CTX_start(BN_CTX *ctx);
326 BIGNUM *BN_CTX_get(BN_CTX *ctx);
327 void BN_CTX_end(BN_CTX *ctx);
328 int BN_rand(BIGNUM *rnd, int bits, int top,int bottom);
329 int BN_pseudo_rand(BIGNUM *rnd, int bits, int top,int bottom);
330 int BN_rand_range(BIGNUM *rnd, BIGNUM *range);
331 int BN_pseudo_rand_range(BIGNUM *rnd, BIGNUM *range);
332 int BN_num_bits(const BIGNUM *a);
333 int BN_num_bits_word(BN_ULONG);
334 BIGNUM *BN_new(void);
335 void BN_init(BIGNUM *);
336 void BN_clear_free(BIGNUM *a);
337 BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b);
338 void BN_swap(BIGNUM *a, BIGNUM *b);
339 BIGNUM *BN_bin2bn(const unsigned char *s,int len,BIGNUM *ret);
340 int BN_bn2bin(const BIGNUM *a, unsigned char *to);
341 BIGNUM *BN_mpi2bn(const unsigned char *s,int len,BIGNUM *ret);
342 int BN_bn2mpi(const BIGNUM *a, unsigned char *to);
343 int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
344 int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
345 int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
346 int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b);
347 int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx);
348 int BN_sqr(BIGNUM *r, const BIGNUM *a,BN_CTX *ctx);
350 int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d,
351 BN_CTX *ctx);
352 #define BN_mod(rem,m,d,ctx) BN_div(NULL,(rem),(m),(d),(ctx))
353 int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx);
354 int BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx);
355 int BN_mod_add_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m);
356 int BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx);
357 int BN_mod_sub_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m);
358 int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
359 const BIGNUM *m, BN_CTX *ctx);
360 int BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx);
361 int BN_mod_lshift1(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx);
362 int BN_mod_lshift1_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *m);
363 int BN_mod_lshift(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m, BN_CTX *ctx);
364 int BN_mod_lshift_quick(BIGNUM *r, const BIGNUM *a, int n, const BIGNUM *m);
366 BN_ULONG BN_mod_word(const BIGNUM *a, BN_ULONG w);
367 BN_ULONG BN_div_word(BIGNUM *a, BN_ULONG w);
368 int BN_mul_word(BIGNUM *a, BN_ULONG w);
369 int BN_add_word(BIGNUM *a, BN_ULONG w);
370 int BN_sub_word(BIGNUM *a, BN_ULONG w);
371 int BN_set_word(BIGNUM *a, BN_ULONG w);
372 BN_ULONG BN_get_word(const BIGNUM *a);
374 int BN_cmp(const BIGNUM *a, const BIGNUM *b);
375 void BN_free(BIGNUM *a);
376 int BN_is_bit_set(const BIGNUM *a, int n);
377 int BN_lshift(BIGNUM *r, const BIGNUM *a, int n);
378 int BN_lshift1(BIGNUM *r, const BIGNUM *a);
379 int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,BN_CTX *ctx);
381 int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
382 const BIGNUM *m,BN_CTX *ctx);
383 int BN_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
384 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
385 int BN_mod_exp_mont_word(BIGNUM *r, BN_ULONG a, const BIGNUM *p,
386 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
387 int BN_mod_exp2_mont(BIGNUM *r, const BIGNUM *a1, const BIGNUM *p1,
388 const BIGNUM *a2, const BIGNUM *p2,const BIGNUM *m,
389 BN_CTX *ctx,BN_MONT_CTX *m_ctx);
390 int BN_mod_exp_simple(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
391 const BIGNUM *m,BN_CTX *ctx);
393 int BN_mask_bits(BIGNUM *a,int n);
394 #ifndef OPENSSL_NO_FP_API
395 int BN_print_fp(FILE *fp, const BIGNUM *a);
396 #endif
397 #ifdef HEADER_BIO_H
398 int BN_print(BIO *fp, const BIGNUM *a);
399 #else
400 int BN_print(void *fp, const BIGNUM *a);
401 #endif
402 int BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx);
403 int BN_rshift(BIGNUM *r, const BIGNUM *a, int n);
404 int BN_rshift1(BIGNUM *r, const BIGNUM *a);
405 void BN_clear(BIGNUM *a);
406 BIGNUM *BN_dup(const BIGNUM *a);
407 int BN_ucmp(const BIGNUM *a, const BIGNUM *b);
408 int BN_set_bit(BIGNUM *a, int n);
409 int BN_clear_bit(BIGNUM *a, int n);
410 char * BN_bn2hex(const BIGNUM *a);
411 char * BN_bn2dec(const BIGNUM *a);
412 int BN_hex2bn(BIGNUM **a, const char *str);
413 int BN_dec2bn(BIGNUM **a, const char *str);
414 int BN_gcd(BIGNUM *r,const BIGNUM *a,const BIGNUM *b,BN_CTX *ctx);
415 int BN_kronecker(const BIGNUM *a,const BIGNUM *b,BN_CTX *ctx); /* returns -2 for error */
416 BIGNUM *BN_mod_inverse(BIGNUM *ret,
417 const BIGNUM *a, const BIGNUM *n,BN_CTX *ctx);
418 BIGNUM *BN_mod_sqrt(BIGNUM *ret,
419 const BIGNUM *a, const BIGNUM *n,BN_CTX *ctx);
420 BIGNUM *BN_generate_prime(BIGNUM *ret,int bits,int safe,
421 const BIGNUM *add, const BIGNUM *rem,
422 void (*callback)(int,int,void *),void *cb_arg);
423 int BN_is_prime(const BIGNUM *p,int nchecks,
424 void (*callback)(int,int,void *),
425 BN_CTX *ctx,void *cb_arg);
426 int BN_is_prime_fasttest(const BIGNUM *p,int nchecks,
427 void (*callback)(int,int,void *),BN_CTX *ctx,void *cb_arg,
428 int do_trial_division);
430 BN_MONT_CTX *BN_MONT_CTX_new(void );
431 void BN_MONT_CTX_init(BN_MONT_CTX *ctx);
432 int BN_mod_mul_montgomery(BIGNUM *r,const BIGNUM *a,const BIGNUM *b,
433 BN_MONT_CTX *mont, BN_CTX *ctx);
434 #define BN_to_montgomery(r,a,mont,ctx) BN_mod_mul_montgomery(\
435 (r),(a),&((mont)->RR),(mont),(ctx))
436 int BN_from_montgomery(BIGNUM *r,const BIGNUM *a,
437 BN_MONT_CTX *mont, BN_CTX *ctx);
438 void BN_MONT_CTX_free(BN_MONT_CTX *mont);
439 int BN_MONT_CTX_set(BN_MONT_CTX *mont,const BIGNUM *mod,BN_CTX *ctx);
440 BN_MONT_CTX *BN_MONT_CTX_copy(BN_MONT_CTX *to,BN_MONT_CTX *from);
442 BN_BLINDING *BN_BLINDING_new(BIGNUM *A,BIGNUM *Ai,BIGNUM *mod);
443 void BN_BLINDING_free(BN_BLINDING *b);
444 int BN_BLINDING_update(BN_BLINDING *b,BN_CTX *ctx);
445 int BN_BLINDING_convert(BIGNUM *n, BN_BLINDING *r, BN_CTX *ctx);
446 int BN_BLINDING_invert(BIGNUM *n, BN_BLINDING *b, BN_CTX *ctx);
448 void BN_set_params(int mul,int high,int low,int mont);
449 int BN_get_params(int which); /* 0, mul, 1 high, 2 low, 3 mont */
451 void BN_RECP_CTX_init(BN_RECP_CTX *recp);
452 BN_RECP_CTX *BN_RECP_CTX_new(void);
453 void BN_RECP_CTX_free(BN_RECP_CTX *recp);
454 int BN_RECP_CTX_set(BN_RECP_CTX *recp,const BIGNUM *rdiv,BN_CTX *ctx);
455 int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,
456 BN_RECP_CTX *recp,BN_CTX *ctx);
457 int BN_mod_exp_recp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
458 const BIGNUM *m, BN_CTX *ctx);
459 int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
460 BN_RECP_CTX *recp, BN_CTX *ctx);
462 /* library internal functions */
464 #define bn_expand(a,bits) ((((((bits+BN_BITS2-1))/BN_BITS2)) <= (a)->dmax)?\
465 (a):bn_expand2((a),(bits)/BN_BITS2+1))
466 #define bn_wexpand(a,words) (((words) <= (a)->dmax)?(a):bn_expand2((a),(words)))
467 BIGNUM *bn_expand2(BIGNUM *a, int words);
468 BIGNUM *bn_dup_expand(const BIGNUM *a, int words);
470 #define bn_fix_top(a) \
472 BN_ULONG *ftl; \
473 if ((a)->top > 0) \
475 for (ftl= &((a)->d[(a)->top-1]); (a)->top > 0; (a)->top--) \
476 if (*(ftl--)) break; \
480 BN_ULONG bn_mul_add_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w);
481 BN_ULONG bn_mul_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w);
482 void bn_sqr_words(BN_ULONG *rp, const BN_ULONG *ap, int num);
483 BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d);
484 BN_ULONG bn_add_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,int num);
485 BN_ULONG bn_sub_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,int num);
487 #ifdef BN_DEBUG
488 void bn_dump1(FILE *o, const char *a, const BN_ULONG *b,int n);
489 # define bn_print(a) {fprintf(stderr, #a "="); BN_print_fp(stderr,a); \
490 fprintf(stderr,"\n");}
491 # define bn_dump(a,n) bn_dump1(stderr,#a,a,n);
492 #else
493 # define bn_print(a)
494 # define bn_dump(a,b)
495 #endif
497 int BN_bntest_rand(BIGNUM *rnd, int bits, int top,int bottom);
499 /* BEGIN ERROR CODES */
500 /* The following lines are auto generated by the script mkerr.pl. Any changes
501 * made after this point may be overwritten when the script is next run.
503 void ERR_load_BN_strings(void);
505 /* Error codes for the BN functions. */
507 /* Function codes. */
508 #define BN_F_BN_BLINDING_CONVERT 100
509 #define BN_F_BN_BLINDING_INVERT 101
510 #define BN_F_BN_BLINDING_NEW 102
511 #define BN_F_BN_BLINDING_UPDATE 103
512 #define BN_F_BN_BN2DEC 104
513 #define BN_F_BN_BN2HEX 105
514 #define BN_F_BN_CTX_GET 116
515 #define BN_F_BN_CTX_NEW 106
516 #define BN_F_BN_DIV 107
517 #define BN_F_BN_EXPAND2 108
518 #define BN_F_BN_EXPAND_INTERNAL 120
519 #define BN_F_BN_MOD_EXP2_MONT 118
520 #define BN_F_BN_MOD_EXP_MONT 109
521 #define BN_F_BN_MOD_EXP_MONT_WORD 117
522 #define BN_F_BN_MOD_INVERSE 110
523 #define BN_F_BN_MOD_LSHIFT_QUICK 119
524 #define BN_F_BN_MOD_MUL_RECIPROCAL 111
525 #define BN_F_BN_MOD_SQRT 121
526 #define BN_F_BN_MPI2BN 112
527 #define BN_F_BN_NEW 113
528 #define BN_F_BN_RAND 114
529 #define BN_F_BN_RAND_RANGE 122
530 #define BN_F_BN_USUB 115
532 /* Reason codes. */
533 #define BN_R_ARG2_LT_ARG3 100
534 #define BN_R_BAD_RECIPROCAL 101
535 #define BN_R_BIGNUM_TOO_LONG 114
536 #define BN_R_CALLED_WITH_EVEN_MODULUS 102
537 #define BN_R_DIV_BY_ZERO 103
538 #define BN_R_ENCODING_ERROR 104
539 #define BN_R_EXPAND_ON_STATIC_BIGNUM_DATA 105
540 #define BN_R_INPUT_NOT_REDUCED 110
541 #define BN_R_INVALID_LENGTH 106
542 #define BN_R_INVALID_RANGE 115
543 #define BN_R_NOT_A_SQUARE 111
544 #define BN_R_NOT_INITIALIZED 107
545 #define BN_R_NO_INVERSE 108
546 #define BN_R_P_IS_NOT_PRIME 112
547 #define BN_R_TOO_MANY_ITERATIONS 113
548 #define BN_R_TOO_MANY_TEMPORARY_VARIABLES 109
550 #ifdef __cplusplus
552 #endif
553 #endif