tclTomMath.h 30 KB

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  1. /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  2. /* SPDX-License-Identifier: Unlicense */
  3. #ifndef BN_H_
  4. #define BN_H_
  5. #ifndef MODULE_SCOPE
  6. #define MODULE_SCOPE extern
  7. #endif
  8. #ifdef __cplusplus
  9. extern "C" {
  10. #endif
  11. /* MS Visual C++ doesn't have a 128bit type for words, so fall back to 32bit MPI's (where words are 64bit) */
  12. #if (defined(_WIN32) || defined(__LLP64__) || defined(__e2k__) || defined(__LCC__)) && !defined(MP_64BIT)
  13. # define MP_32BIT
  14. #endif
  15. /* detect 64-bit mode if possible */
  16. #if defined(NEVER)
  17. # if !(defined(MP_32BIT) || defined(MP_16BIT) || defined(MP_8BIT))
  18. # if defined(__GNUC__)
  19. /* we support 128bit integers only via: __attribute__((mode(TI))) */
  20. # define MP_64BIT
  21. # else
  22. /* otherwise we fall back to MP_32BIT even on 64bit platforms */
  23. # define MP_32BIT
  24. # endif
  25. # endif
  26. #endif
  27. #ifdef MP_DIGIT_BIT
  28. # error Defining MP_DIGIT_BIT is disallowed, use MP_8/16/31/32/64BIT
  29. #endif
  30. /* some default configurations.
  31. *
  32. * A "mp_digit" must be able to hold MP_DIGIT_BIT + 1 bits
  33. * A "mp_word" must be able to hold 2*MP_DIGIT_BIT + 1 bits
  34. *
  35. * At the very least a mp_digit must be able to hold 7 bits
  36. * [any size beyond that is ok provided it doesn't overflow the data type]
  37. */
  38. #ifdef MP_8BIT
  39. #ifndef MP_DIGIT_DECLARED
  40. typedef unsigned char mp_digit;
  41. #define MP_DIGIT_DECLARED
  42. #endif
  43. #ifndef MP_WORD_DECLARED
  44. typedef unsigned short private_mp_word;
  45. #define MP_WORD_DECLARED
  46. #endif
  47. # define MP_SIZEOF_MP_DIGIT 1
  48. # ifdef MP_DIGIT_BIT
  49. # error You must not define MP_DIGIT_BIT when using MP_8BIT
  50. # endif
  51. #elif defined(MP_16BIT)
  52. #ifndef MP_DIGIT_DECLARED
  53. typedef unsigned short mp_digit;
  54. #define MP_DIGIT_DECLARED
  55. #endif
  56. #ifndef MP_WORD_DECLARED
  57. typedef unsigned int private_mp_word;
  58. #define MP_WORD_DECLARED
  59. #endif
  60. # define MP_SIZEOF_MP_DIGIT 2
  61. # ifdef MP_DIGIT_BIT
  62. # error You must not define MP_DIGIT_BIT when using MP_16BIT
  63. # endif
  64. #elif defined(MP_64BIT)
  65. /* for GCC only on supported platforms */
  66. #ifndef MP_DIGIT_DECLARED
  67. typedef unsigned long long mp_digit;
  68. #define MP_DIGIT_DECLARED
  69. #endif
  70. typedef unsigned long private_mp_word __attribute__((mode(TI)));
  71. # define MP_DIGIT_BIT 60
  72. #else
  73. /* this is the default case, 28-bit digits */
  74. /* this is to make porting into LibTomCrypt easier :-) */
  75. #ifndef MP_DIGIT_DECLARED
  76. typedef unsigned int mp_digit;
  77. #define MP_DIGIT_DECLARED
  78. #endif
  79. #ifndef MP_WORD_DECLARED
  80. #ifdef _WIN32
  81. typedef unsigned __int64 private_mp_word;
  82. #else
  83. typedef unsigned long long private_mp_word;
  84. #endif
  85. #define MP_WORD_DECLARED
  86. #endif
  87. # ifdef MP_31BIT
  88. /*
  89. * This is an extension that uses 31-bit digits.
  90. * Please be aware that not all functions support this size, especially s_mp_mul_digs_fast
  91. * will be reduced to work on small numbers only:
  92. * Up to 8 limbs, 248 bits instead of up to 512 limbs, 15872 bits with MP_28BIT.
  93. */
  94. # define MP_DIGIT_BIT 31
  95. # else
  96. /* default case is 28-bit digits, defines MP_28BIT as a handy macro to test */
  97. # define MP_DIGIT_BIT 28
  98. # define MP_28BIT
  99. # endif
  100. #endif
  101. /* otherwise the bits per digit is calculated automatically from the size of a mp_digit */
  102. #ifndef MP_DIGIT_BIT
  103. # define MP_DIGIT_BIT (((CHAR_BIT * MP_SIZEOF_MP_DIGIT) - 1)) /* bits per digit */
  104. #endif
  105. #define MP_MASK ((((mp_digit)1)<<((mp_digit)MP_DIGIT_BIT))-((mp_digit)1))
  106. #define MP_DIGIT_MAX MP_MASK
  107. /* Primality generation flags */
  108. #define MP_PRIME_BBS 0x0001 /* BBS style prime */
  109. #define MP_PRIME_SAFE 0x0002 /* Safe prime (p-1)/2 == prime */
  110. #define MP_PRIME_2MSB_ON 0x0008 /* force 2nd MSB to 1 */
  111. #define LTM_PRIME_BBS (MP_DEPRECATED_PRAGMA("LTM_PRIME_BBS has been deprecated, use MP_PRIME_BBS") MP_PRIME_BBS)
  112. #define LTM_PRIME_SAFE (MP_DEPRECATED_PRAGMA("LTM_PRIME_SAFE has been deprecated, use MP_PRIME_SAFE") MP_PRIME_SAFE)
  113. #define LTM_PRIME_2MSB_ON (MP_DEPRECATED_PRAGMA("LTM_PRIME_2MSB_ON has been deprecated, use MP_PRIME_2MSB_ON") MP_PRIME_2MSB_ON)
  114. #ifdef MP_USE_ENUMS
  115. typedef enum {
  116. MP_ZPOS = 0, /* positive */
  117. MP_NEG = 1 /* negative */
  118. } mp_sign;
  119. typedef enum {
  120. MP_LT = -1, /* less than */
  121. MP_EQ = 0, /* equal */
  122. MP_GT = 1 /* greater than */
  123. } mp_ord;
  124. typedef enum {
  125. MP_NO = 0,
  126. MP_YES = 1
  127. } mp_bool;
  128. typedef enum {
  129. MP_OKAY = 0, /* no error */
  130. MP_ERR = -1, /* unknown error */
  131. MP_MEM = -2, /* out of mem */
  132. MP_VAL = -3, /* invalid input */
  133. MP_ITER = -4, /* maximum iterations reached */
  134. MP_BUF = -5 /* buffer overflow, supplied buffer too small */
  135. } mp_err;
  136. typedef enum {
  137. MP_LSB_FIRST = -1,
  138. MP_MSB_FIRST = 1
  139. } mp_order;
  140. typedef enum {
  141. MP_LITTLE_ENDIAN = -1,
  142. MP_NATIVE_ENDIAN = 0,
  143. MP_BIG_ENDIAN = 1
  144. } mp_endian;
  145. #else
  146. typedef int mp_sign;
  147. #define MP_ZPOS 0 /* positive integer */
  148. #define MP_NEG 1 /* negative */
  149. typedef int mp_ord;
  150. #define MP_LT -1 /* less than */
  151. #define MP_EQ 0 /* equal to */
  152. #define MP_GT 1 /* greater than */
  153. typedef int mp_bool;
  154. #define MP_YES 1
  155. #define MP_NO 0
  156. typedef int mp_err;
  157. #define MP_OKAY 0 /* no error */
  158. #define MP_ERR -1 /* unknown error */
  159. #define MP_MEM -2 /* out of mem */
  160. #define MP_VAL -3 /* invalid input */
  161. #define MP_RANGE (MP_DEPRECATED_PRAGMA("MP_RANGE has been deprecated in favor of MP_VAL") MP_VAL)
  162. #define MP_ITER -4 /* maximum iterations reached */
  163. #define MP_BUF -5 /* buffer overflow, supplied buffer too small */
  164. typedef int mp_order;
  165. #define MP_LSB_FIRST -1
  166. #define MP_MSB_FIRST 1
  167. typedef int mp_endian;
  168. #define MP_LITTLE_ENDIAN -1
  169. #define MP_NATIVE_ENDIAN 0
  170. #define MP_BIG_ENDIAN 1
  171. #endif
  172. /* tunable cutoffs */
  173. #ifndef MP_FIXED_CUTOFFS
  174. extern int
  175. KARATSUBA_MUL_CUTOFF,
  176. KARATSUBA_SQR_CUTOFF,
  177. TOOM_MUL_CUTOFF,
  178. TOOM_SQR_CUTOFF;
  179. #endif
  180. /* define this to use lower memory usage routines (exptmods mostly) */
  181. /* #define MP_LOW_MEM */
  182. /* default precision */
  183. #ifndef MP_PREC
  184. # ifndef MP_LOW_MEM
  185. # define MP_PREC 32 /* default digits of precision */
  186. # elif defined(MP_8BIT)
  187. # define MP_PREC 16 /* default digits of precision */
  188. # else
  189. # define MP_PREC 8 /* default digits of precision */
  190. # endif
  191. #endif
  192. /* size of comba arrays, should be at least 2 * 2**(BITS_PER_WORD - BITS_PER_DIGIT*2) */
  193. #define PRIVATE_MP_WARRAY (int)(1 << (((CHAR_BIT * sizeof(private_mp_word)) - (2 * MP_DIGIT_BIT)) + 1))
  194. #if defined(__GNUC__) && __GNUC__ >= 4
  195. # define MP_NULL_TERMINATED __attribute__((sentinel))
  196. #else
  197. # define MP_NULL_TERMINATED
  198. #endif
  199. /*
  200. * MP_WUR - warn unused result
  201. * ---------------------------
  202. *
  203. * The result of functions annotated with MP_WUR must be
  204. * checked and cannot be ignored.
  205. *
  206. * Most functions in libtommath return an error code.
  207. * This error code must be checked in order to prevent crashes or invalid
  208. * results.
  209. *
  210. * If you still want to avoid the error checks for quick and dirty programs
  211. * without robustness guarantees, you can `#define MP_WUR` before including
  212. * tommath.h, disabling the warnings.
  213. */
  214. #ifndef MP_WUR
  215. # if defined(__GNUC__) && __GNUC__ >= 4
  216. # define MP_WUR __attribute__((warn_unused_result))
  217. # else
  218. # define MP_WUR
  219. # endif
  220. #endif
  221. #if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 405)
  222. # define MP_DEPRECATED(x) __attribute__((deprecated("replaced by " #x)))
  223. #elif defined(_MSC_VER) && _MSC_VER >= 1500
  224. # define MP_DEPRECATED(x) __declspec(deprecated("replaced by " #x))
  225. #else
  226. # define MP_DEPRECATED(x)
  227. #endif
  228. #ifndef MP_NO_DEPRECATED_PRAGMA
  229. #if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 301)
  230. # define PRIVATE_MP_DEPRECATED_PRAGMA(s) _Pragma(#s)
  231. # define MP_DEPRECATED_PRAGMA(s) PRIVATE_MP_DEPRECATED_PRAGMA(GCC warning s)
  232. #elif defined(_MSC_VER) && _MSC_VER >= 1500
  233. # define MP_DEPRECATED_PRAGMA(s) __pragma(message(s))
  234. #endif
  235. #endif
  236. #ifndef MP_DEPRECATED_PRAGMA
  237. # define MP_DEPRECATED_PRAGMA(s)
  238. #endif
  239. #define DIGIT_BIT MP_DIGIT_BIT
  240. #define USED(m) ((m)->used)
  241. #define DIGIT(m,k) ((m)->dp[(k)])
  242. #define SIGN(m) ((m)->sign)
  243. /* the infamous mp_int structure */
  244. #ifndef MP_INT_DECLARED
  245. #define MP_INT_DECLARED
  246. typedef struct mp_int mp_int;
  247. #endif
  248. struct mp_int {
  249. int used, alloc;
  250. mp_sign sign;
  251. mp_digit *dp;
  252. };
  253. /* callback for mp_prime_random, should fill dst with random bytes and return how many read [upto len] */
  254. typedef int private_mp_prime_callback(unsigned char *dst, int len, void *dat);
  255. typedef private_mp_prime_callback MP_DEPRECATED(mp_rand_source) ltm_prime_callback;
  256. /* error code to char* string */
  257. /*
  258. const char *mp_error_to_string(mp_err code) MP_WUR;
  259. */
  260. /* ---> init and deinit bignum functions <--- */
  261. /* init a bignum */
  262. /*
  263. mp_err mp_init(mp_int *a) MP_WUR;
  264. */
  265. /* free a bignum */
  266. /*
  267. void mp_clear(mp_int *a);
  268. */
  269. /* init a null terminated series of arguments */
  270. /*
  271. mp_err mp_init_multi(mp_int *mp, ...) MP_NULL_TERMINATED MP_WUR;
  272. */
  273. /* clear a null terminated series of arguments */
  274. /*
  275. void mp_clear_multi(mp_int *mp, ...) MP_NULL_TERMINATED;
  276. */
  277. /* exchange two ints */
  278. /*
  279. void mp_exch(mp_int *a, mp_int *b);
  280. */
  281. /* shrink ram required for a bignum */
  282. /*
  283. mp_err mp_shrink(mp_int *a) MP_WUR;
  284. */
  285. /* grow an int to a given size */
  286. /*
  287. mp_err mp_grow(mp_int *a, int size) MP_WUR;
  288. */
  289. /* init to a given number of digits */
  290. /*
  291. mp_err mp_init_size(mp_int *a, int size) MP_WUR;
  292. */
  293. /* ---> Basic Manipulations <--- */
  294. #define mp_iszero(a) (((a)->used == 0) ? MP_YES : MP_NO)
  295. #define mp_isodd(a) (((a)->used != 0 && (((a)->dp[0] & 1) == 1)) ? MP_YES : MP_NO)
  296. #define mp_iseven(a) (((a)->used == 0 || (((a)->dp[0] & 1) == 0)) ? MP_YES : MP_NO)
  297. #define mp_isneg(a) (((a)->sign != MP_ZPOS) ? MP_YES : MP_NO)
  298. /* set to zero */
  299. /*
  300. void mp_zero(mp_int *a);
  301. */
  302. /* get and set doubles */
  303. /*
  304. double mp_get_double(const mp_int *a) MP_WUR;
  305. */
  306. /*
  307. mp_err mp_set_double(mp_int *a, double b) MP_WUR;
  308. */
  309. /* get integer, set integer and init with integer (int32_t) */
  310. #ifndef MP_NO_STDINT
  311. /*
  312. int32_t mp_get_i32(const mp_int *a) MP_WUR;
  313. */
  314. /*
  315. void mp_set_i32(mp_int *a, int32_t b);
  316. */
  317. /*
  318. mp_err mp_init_i32(mp_int *a, int32_t b) MP_WUR;
  319. */
  320. /* get integer, set integer and init with integer, behaves like two complement for negative numbers (uint32_t) */
  321. #define mp_get_u32(a) ((uint32_t)mp_get_i32(a))
  322. /*
  323. void mp_set_u32(mp_int *a, uint32_t b);
  324. */
  325. /*
  326. mp_err mp_init_u32(mp_int *a, uint32_t b) MP_WUR;
  327. */
  328. /* get integer, set integer and init with integer (int64_t) */
  329. /*
  330. int64_t mp_get_i64(const mp_int *a) MP_WUR;
  331. */
  332. /*
  333. void mp_set_i64(mp_int *a, int64_t b);
  334. */
  335. /*
  336. mp_err mp_init_i64(mp_int *a, int64_t b) MP_WUR;
  337. */
  338. /* get integer, set integer and init with integer, behaves like two complement for negative numbers (uint64_t) */
  339. #define mp_get_u64(a) ((uint64_t)mp_get_i64(a))
  340. /*
  341. void mp_set_u64(mp_int *a, uint64_t b);
  342. */
  343. /*
  344. mp_err mp_init_u64(mp_int *a, uint64_t b) MP_WUR;
  345. */
  346. /* get magnitude */
  347. /*
  348. uint32_t mp_get_mag_u32(const mp_int *a) MP_WUR;
  349. */
  350. /*
  351. uint64_t mp_get_mag_u64(const mp_int *a) MP_WUR;
  352. */
  353. #endif
  354. /*
  355. unsigned long mp_get_mag_ul(const mp_int *a) MP_WUR;
  356. */
  357. /*
  358. Tcl_WideUInt mp_get_mag_ull(const mp_int *a) MP_WUR;
  359. */
  360. /* get integer, set integer (long) */
  361. /*
  362. long mp_get_l(const mp_int *a) MP_WUR;
  363. */
  364. /*
  365. void mp_set_l(mp_int *a, long b);
  366. */
  367. /*
  368. mp_err mp_init_l(mp_int *a, long b) MP_WUR;
  369. */
  370. /* get integer, set integer (unsigned long) */
  371. #define mp_get_ul(a) ((unsigned long)mp_get_l(a))
  372. /*
  373. void mp_set_ul(mp_int *a, unsigned long b);
  374. */
  375. /*
  376. mp_err mp_init_ul(mp_int *a, unsigned long b) MP_WUR;
  377. */
  378. /* get integer, set integer (Tcl_WideInt) */
  379. /*
  380. Tcl_WideInt mp_get_ll(const mp_int *a) MP_WUR;
  381. */
  382. /*
  383. void mp_set_ll(mp_int *a, Tcl_WideInt b);
  384. */
  385. /*
  386. mp_err mp_init_ll(mp_int *a, Tcl_WideInt b) MP_WUR;
  387. */
  388. /* get integer, set integer (Tcl_WideUInt) */
  389. #define mp_get_ull(a) ((Tcl_WideUInt)mp_get_ll(a))
  390. /*
  391. void mp_set_ull(mp_int *a, Tcl_WideUInt b);
  392. */
  393. /*
  394. mp_err mp_init_ull(mp_int *a, Tcl_WideUInt b) MP_WUR;
  395. */
  396. /* set to single unsigned digit, up to MP_DIGIT_MAX */
  397. /*
  398. void mp_set(mp_int *a, mp_digit b);
  399. */
  400. /*
  401. mp_err mp_init_set(mp_int *a, mp_digit b) MP_WUR;
  402. */
  403. /* get integer, set integer and init with integer (deprecated) */
  404. /*
  405. MP_DEPRECATED(mp_get_mag_u32/mp_get_u32) unsigned long mp_get_int(const mp_int *a) MP_WUR;
  406. */
  407. /*
  408. MP_DEPRECATED(mp_get_mag_ul/mp_get_ul) unsigned long mp_get_long(const mp_int *a) MP_WUR;
  409. */
  410. /*
  411. MP_DEPRECATED(mp_get_mag_ull/mp_get_ull) Tcl_WideUInt mp_get_long_long(const mp_int *a) MP_WUR;
  412. */
  413. /*
  414. MP_DEPRECATED(mp_set_ul) mp_err mp_set_int(mp_int *a, unsigned long b);
  415. */
  416. /*
  417. MP_DEPRECATED(mp_set_ul) mp_err mp_set_long(mp_int *a, unsigned long b);
  418. */
  419. /*
  420. MP_DEPRECATED(mp_set_ull) mp_err mp_set_long_long(mp_int *a, Tcl_WideUInt b);
  421. */
  422. /*
  423. MP_DEPRECATED(mp_init_ul) mp_err mp_init_set_int(mp_int *a, unsigned long b) MP_WUR;
  424. */
  425. /* copy, b = a */
  426. /*
  427. mp_err mp_copy(const mp_int *a, mp_int *b) MP_WUR;
  428. */
  429. /* inits and copies, a = b */
  430. /*
  431. mp_err mp_init_copy(mp_int *a, const mp_int *b) MP_WUR;
  432. */
  433. /* trim unused digits */
  434. /*
  435. void mp_clamp(mp_int *a);
  436. */
  437. /* export binary data */
  438. /*
  439. MP_DEPRECATED(mp_pack) mp_err mp_export(void *rop, size_t *countp, int order, size_t size,
  440. int endian, size_t nails, const mp_int *op) MP_WUR;
  441. */
  442. /* import binary data */
  443. /*
  444. MP_DEPRECATED(mp_unpack) mp_err mp_import(mp_int *rop, size_t count, int order,
  445. size_t size, int endian, size_t nails,
  446. const void *op) MP_WUR;
  447. */
  448. /* unpack binary data */
  449. /*
  450. mp_err mp_unpack(mp_int *rop, size_t count, mp_order order, size_t size, mp_endian endian,
  451. size_t nails, const void *op) MP_WUR;
  452. */
  453. /* pack binary data */
  454. /*
  455. size_t mp_pack_count(const mp_int *a, size_t nails, size_t size) MP_WUR;
  456. */
  457. /*
  458. mp_err mp_pack(void *rop, size_t maxcount, size_t *written, mp_order order, size_t size,
  459. mp_endian endian, size_t nails, const mp_int *op) MP_WUR;
  460. */
  461. /* ---> digit manipulation <--- */
  462. /* right shift by "b" digits */
  463. /*
  464. void mp_rshd(mp_int *a, int b);
  465. */
  466. /* left shift by "b" digits */
  467. /*
  468. mp_err mp_lshd(mp_int *a, int b) MP_WUR;
  469. */
  470. /* c = a / 2**b, implemented as c = a >> b */
  471. /*
  472. mp_err mp_div_2d(const mp_int *a, int b, mp_int *c, mp_int *d) MP_WUR;
  473. */
  474. /* b = a/2 */
  475. /*
  476. mp_err mp_div_2(const mp_int *a, mp_int *b) MP_WUR;
  477. */
  478. /* a/3 => 3c + d == a */
  479. /*
  480. mp_err mp_div_3(const mp_int *a, mp_int *c, mp_digit *d) MP_WUR;
  481. */
  482. /* c = a * 2**b, implemented as c = a << b */
  483. /*
  484. mp_err mp_mul_2d(const mp_int *a, int b, mp_int *c) MP_WUR;
  485. */
  486. /* b = a*2 */
  487. /*
  488. mp_err mp_mul_2(const mp_int *a, mp_int *b) MP_WUR;
  489. */
  490. /* c = a mod 2**b */
  491. /*
  492. mp_err mp_mod_2d(const mp_int *a, int b, mp_int *c) MP_WUR;
  493. */
  494. /* computes a = 2**b */
  495. /*
  496. mp_err mp_2expt(mp_int *a, int b) MP_WUR;
  497. */
  498. /* Counts the number of lsbs which are zero before the first zero bit */
  499. /*
  500. int mp_cnt_lsb(const mp_int *a) MP_WUR;
  501. */
  502. /* I Love Earth! */
  503. /* makes a pseudo-random mp_int of a given size */
  504. /*
  505. mp_err mp_rand(mp_int *a, int digits) MP_WUR;
  506. */
  507. /* makes a pseudo-random small int of a given size */
  508. /*
  509. MP_DEPRECATED(mp_rand) mp_err mp_rand_digit(mp_digit *r) MP_WUR;
  510. */
  511. /* use custom random data source instead of source provided the platform */
  512. /*
  513. void mp_rand_source(mp_err(*source)(void *out, size_t size));
  514. */
  515. #ifdef MP_PRNG_ENABLE_LTM_RNG
  516. /* A last resort to provide random data on systems without any of the other
  517. * implemented ways to gather entropy.
  518. * It is compatible with `rng_get_bytes()` from libtomcrypt so you could
  519. * provide that one and then set `ltm_rng = rng_get_bytes;` */
  520. extern unsigned long (*ltm_rng)(unsigned char *out, unsigned long outlen, void (*callback)(void));
  521. extern void (*ltm_rng_callback)(void);
  522. #endif
  523. /* ---> binary operations <--- */
  524. /* Checks the bit at position b and returns MP_YES
  525. * if the bit is 1, MP_NO if it is 0 and MP_VAL
  526. * in case of error
  527. */
  528. /*
  529. MP_DEPRECATED(s_mp_get_bit) int mp_get_bit(const mp_int *a, int b) MP_WUR;
  530. */
  531. /* c = a XOR b (two complement) */
  532. /*
  533. MP_DEPRECATED(mp_xor) mp_err mp_tc_xor(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  534. */
  535. /*
  536. mp_err mp_xor(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  537. */
  538. /* c = a OR b (two complement) */
  539. /*
  540. MP_DEPRECATED(mp_or) mp_err mp_tc_or(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  541. */
  542. /*
  543. mp_err mp_or(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  544. */
  545. /* c = a AND b (two complement) */
  546. /*
  547. MP_DEPRECATED(mp_and) mp_err mp_tc_and(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  548. */
  549. /*
  550. mp_err mp_and(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  551. */
  552. /* b = ~a (bitwise not, two complement) */
  553. /*
  554. mp_err mp_complement(const mp_int *a, mp_int *b) MP_WUR;
  555. */
  556. /* right shift with sign extension */
  557. /*
  558. MP_DEPRECATED(mp_signed_rsh) mp_err mp_tc_div_2d(const mp_int *a, int b, mp_int *c) MP_WUR;
  559. */
  560. /*
  561. mp_err mp_signed_rsh(const mp_int *a, int b, mp_int *c) MP_WUR;
  562. */
  563. /* ---> Basic arithmetic <--- */
  564. /* b = -a */
  565. /*
  566. mp_err mp_neg(const mp_int *a, mp_int *b) MP_WUR;
  567. */
  568. /* b = |a| */
  569. /*
  570. mp_err mp_abs(const mp_int *a, mp_int *b) MP_WUR;
  571. */
  572. /* compare a to b */
  573. /*
  574. mp_ord mp_cmp(const mp_int *a, const mp_int *b) MP_WUR;
  575. */
  576. /* compare |a| to |b| */
  577. /*
  578. mp_ord mp_cmp_mag(const mp_int *a, const mp_int *b) MP_WUR;
  579. */
  580. /* c = a + b */
  581. /*
  582. mp_err mp_add(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  583. */
  584. /* c = a - b */
  585. /*
  586. mp_err mp_sub(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  587. */
  588. /* c = a * b */
  589. /*
  590. mp_err mp_mul(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  591. */
  592. /* b = a*a */
  593. /*
  594. mp_err mp_sqr(const mp_int *a, mp_int *b) MP_WUR;
  595. */
  596. /* a/b => cb + d == a */
  597. /*
  598. mp_err mp_div(const mp_int *a, const mp_int *b, mp_int *c, mp_int *d) MP_WUR;
  599. */
  600. /* c = a mod b, 0 <= c < b */
  601. /*
  602. mp_err mp_mod(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  603. */
  604. /* Increment "a" by one like "a++". Changes input! */
  605. /*
  606. mp_err mp_incr(mp_int *a) MP_WUR;
  607. */
  608. /* Decrement "a" by one like "a--". Changes input! */
  609. /*
  610. mp_err mp_decr(mp_int *a) MP_WUR;
  611. */
  612. /* ---> single digit functions <--- */
  613. /* compare against a single digit */
  614. /*
  615. mp_ord mp_cmp_d(const mp_int *a, mp_digit b) MP_WUR;
  616. */
  617. /* c = a + b */
  618. /*
  619. mp_err mp_add_d(const mp_int *a, mp_digit b, mp_int *c) MP_WUR;
  620. */
  621. /* c = a - b */
  622. /*
  623. mp_err mp_sub_d(const mp_int *a, mp_digit b, mp_int *c) MP_WUR;
  624. */
  625. /* c = a * b */
  626. /*
  627. mp_err mp_mul_d(const mp_int *a, mp_digit b, mp_int *c) MP_WUR;
  628. */
  629. /* a/b => cb + d == a */
  630. /*
  631. mp_err mp_div_d(const mp_int *a, mp_digit b, mp_int *c, mp_digit *d) MP_WUR;
  632. */
  633. /* c = a mod b, 0 <= c < b */
  634. /*
  635. mp_err mp_mod_d(const mp_int *a, mp_digit b, mp_digit *c) MP_WUR;
  636. */
  637. /* ---> number theory <--- */
  638. /* d = a + b (mod c) */
  639. /*
  640. mp_err mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) MP_WUR;
  641. */
  642. /* d = a - b (mod c) */
  643. /*
  644. mp_err mp_submod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) MP_WUR;
  645. */
  646. /* d = a * b (mod c) */
  647. /*
  648. mp_err mp_mulmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) MP_WUR;
  649. */
  650. /* c = a * a (mod b) */
  651. /*
  652. mp_err mp_sqrmod(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  653. */
  654. /* c = 1/a (mod b) */
  655. /*
  656. mp_err mp_invmod(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  657. */
  658. /* c = (a, b) */
  659. /*
  660. mp_err mp_gcd(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  661. */
  662. /* produces value such that U1*a + U2*b = U3 */
  663. /*
  664. mp_err mp_exteuclid(const mp_int *a, const mp_int *b, mp_int *U1, mp_int *U2, mp_int *U3) MP_WUR;
  665. */
  666. /* c = [a, b] or (a*b)/(a, b) */
  667. /*
  668. mp_err mp_lcm(const mp_int *a, const mp_int *b, mp_int *c) MP_WUR;
  669. */
  670. /* finds one of the b'th root of a, such that |c|**b <= |a|
  671. *
  672. * returns error if a < 0 and b is even
  673. */
  674. /*
  675. mp_err mp_root_u32(const mp_int *a, unsigned int b, mp_int *c) MP_WUR;
  676. */
  677. /*
  678. MP_DEPRECATED(mp_root_u32) mp_err mp_n_root(const mp_int *a, mp_digit b, mp_int *c) MP_WUR;
  679. */
  680. /*
  681. MP_DEPRECATED(mp_root_u32) mp_err mp_n_root_ex(const mp_int *a, mp_digit b, mp_int *c, int fast) MP_WUR;
  682. */
  683. /* special sqrt algo */
  684. /*
  685. mp_err mp_sqrt(const mp_int *arg, mp_int *ret) MP_WUR;
  686. */
  687. /* special sqrt (mod prime) */
  688. /*
  689. mp_err mp_sqrtmod_prime(const mp_int *n, const mp_int *prime, mp_int *ret) MP_WUR;
  690. */
  691. /* is number a square? */
  692. /*
  693. mp_err mp_is_square(const mp_int *arg, mp_bool *ret) MP_WUR;
  694. */
  695. /* computes the jacobi c = (a | n) (or Legendre if b is prime) */
  696. /*
  697. MP_DEPRECATED(mp_kronecker) mp_err mp_jacobi(const mp_int *a, const mp_int *n, int *c) MP_WUR;
  698. */
  699. /* computes the Kronecker symbol c = (a | p) (like jacobi() but with {a,p} in Z */
  700. /*
  701. mp_err mp_kronecker(const mp_int *a, const mp_int *p, int *c) MP_WUR;
  702. */
  703. /* used to setup the Barrett reduction for a given modulus b */
  704. /*
  705. mp_err mp_reduce_setup(mp_int *a, const mp_int *b) MP_WUR;
  706. */
  707. /* Barrett Reduction, computes a (mod b) with a precomputed value c
  708. *
  709. * Assumes that 0 < x <= m*m, note if 0 > x > -(m*m) then you can merely
  710. * compute the reduction as -1 * mp_reduce(mp_abs(x)) [pseudo code].
  711. */
  712. /*
  713. mp_err mp_reduce(mp_int *x, const mp_int *m, const mp_int *mu) MP_WUR;
  714. */
  715. /* setups the montgomery reduction */
  716. /*
  717. mp_err mp_montgomery_setup(const mp_int *n, mp_digit *rho) MP_WUR;
  718. */
  719. /* computes a = B**n mod b without division or multiplication useful for
  720. * normalizing numbers in a Montgomery system.
  721. */
  722. /*
  723. mp_err mp_montgomery_calc_normalization(mp_int *a, const mp_int *b) MP_WUR;
  724. */
  725. /* computes x/R == x (mod N) via Montgomery Reduction */
  726. /*
  727. mp_err mp_montgomery_reduce(mp_int *x, const mp_int *n, mp_digit rho) MP_WUR;
  728. */
  729. /* returns 1 if a is a valid DR modulus */
  730. /*
  731. mp_bool mp_dr_is_modulus(const mp_int *a) MP_WUR;
  732. */
  733. /* sets the value of "d" required for mp_dr_reduce */
  734. /*
  735. void mp_dr_setup(const mp_int *a, mp_digit *d);
  736. */
  737. /* reduces a modulo n using the Diminished Radix method */
  738. /*
  739. mp_err mp_dr_reduce(mp_int *x, const mp_int *n, mp_digit k) MP_WUR;
  740. */
  741. /* returns true if a can be reduced with mp_reduce_2k */
  742. /*
  743. mp_bool mp_reduce_is_2k(const mp_int *a) MP_WUR;
  744. */
  745. /* determines k value for 2k reduction */
  746. /*
  747. mp_err mp_reduce_2k_setup(const mp_int *a, mp_digit *d) MP_WUR;
  748. */
  749. /* reduces a modulo b where b is of the form 2**p - k [0 <= a] */
  750. /*
  751. mp_err mp_reduce_2k(mp_int *a, const mp_int *n, mp_digit d) MP_WUR;
  752. */
  753. /* returns true if a can be reduced with mp_reduce_2k_l */
  754. /*
  755. mp_bool mp_reduce_is_2k_l(const mp_int *a) MP_WUR;
  756. */
  757. /* determines k value for 2k reduction */
  758. /*
  759. mp_err mp_reduce_2k_setup_l(const mp_int *a, mp_int *d) MP_WUR;
  760. */
  761. /* reduces a modulo b where b is of the form 2**p - k [0 <= a] */
  762. /*
  763. mp_err mp_reduce_2k_l(mp_int *a, const mp_int *n, const mp_int *d) MP_WUR;
  764. */
  765. /* Y = G**X (mod P) */
  766. /*
  767. mp_err mp_exptmod(const mp_int *G, const mp_int *X, const mp_int *P, mp_int *Y) MP_WUR;
  768. */
  769. /* ---> Primes <--- */
  770. /* number of primes */
  771. #ifdef MP_8BIT
  772. # define PRIVATE_MP_PRIME_TAB_SIZE 31
  773. #else
  774. # define PRIVATE_MP_PRIME_TAB_SIZE 256
  775. #endif
  776. #define PRIME_SIZE (MP_DEPRECATED_PRAGMA("PRIME_SIZE has been made internal") PRIVATE_MP_PRIME_TAB_SIZE)
  777. /* table of first PRIME_SIZE primes */
  778. #if defined(BUILD_tcl) || !defined(_WIN32)
  779. MODULE_SCOPE const mp_digit ltm_prime_tab[PRIVATE_MP_PRIME_TAB_SIZE];
  780. #endif
  781. /* result=1 if a is divisible by one of the first PRIME_SIZE primes */
  782. /*
  783. MP_DEPRECATED(mp_prime_is_prime) mp_err mp_prime_is_divisible(const mp_int *a, mp_bool *result) MP_WUR;
  784. */
  785. /* performs one Fermat test of "a" using base "b".
  786. * Sets result to 0 if composite or 1 if probable prime
  787. */
  788. /*
  789. mp_err mp_prime_fermat(const mp_int *a, const mp_int *b, mp_bool *result) MP_WUR;
  790. */
  791. /* performs one Miller-Rabin test of "a" using base "b".
  792. * Sets result to 0 if composite or 1 if probable prime
  793. */
  794. /*
  795. mp_err mp_prime_miller_rabin(const mp_int *a, const mp_int *b, mp_bool *result) MP_WUR;
  796. */
  797. /* This gives [for a given bit size] the number of trials required
  798. * such that Miller-Rabin gives a prob of failure lower than 2^-96
  799. */
  800. /*
  801. int mp_prime_rabin_miller_trials(int size) MP_WUR;
  802. */
  803. /* performs one strong Lucas-Selfridge test of "a".
  804. * Sets result to 0 if composite or 1 if probable prime
  805. */
  806. /*
  807. mp_err mp_prime_strong_lucas_selfridge(const mp_int *a, mp_bool *result) MP_WUR;
  808. */
  809. /* performs one Frobenius test of "a" as described by Paul Underwood.
  810. * Sets result to 0 if composite or 1 if probable prime
  811. */
  812. /*
  813. mp_err mp_prime_frobenius_underwood(const mp_int *N, mp_bool *result) MP_WUR;
  814. */
  815. /* performs t random rounds of Miller-Rabin on "a" additional to
  816. * bases 2 and 3. Also performs an initial sieve of trial
  817. * division. Determines if "a" is prime with probability
  818. * of error no more than (1/4)**t.
  819. * Both a strong Lucas-Selfridge to complete the BPSW test
  820. * and a separate Frobenius test are available at compile time.
  821. * With t<0 a deterministic test is run for primes up to
  822. * 318665857834031151167461. With t<13 (abs(t)-13) additional
  823. * tests with sequential small primes are run starting at 43.
  824. * Is Fips 186.4 compliant if called with t as computed by
  825. * mp_prime_rabin_miller_trials();
  826. *
  827. * Sets result to 1 if probably prime, 0 otherwise
  828. */
  829. /*
  830. mp_err mp_prime_is_prime(const mp_int *a, int t, mp_bool *result) MP_WUR;
  831. */
  832. /* finds the next prime after the number "a" using "t" trials
  833. * of Miller-Rabin.
  834. *
  835. * bbs_style = 1 means the prime must be congruent to 3 mod 4
  836. */
  837. /*
  838. mp_err mp_prime_next_prime(mp_int *a, int t, int bbs_style) MP_WUR;
  839. */
  840. /* makes a truly random prime of a given size (bytes),
  841. * call with bbs = 1 if you want it to be congruent to 3 mod 4
  842. *
  843. * You have to supply a callback which fills in a buffer with random bytes. "dat" is a parameter you can
  844. * have passed to the callback (e.g. a state or something). This function doesn't use "dat" itself
  845. * so it can be NULL
  846. *
  847. * The prime generated will be larger than 2^(8*size).
  848. */
  849. #define mp_prime_random(a, t, size, bbs, cb, dat) (MP_DEPRECATED_PRAGMA("mp_prime_random has been deprecated, use mp_prime_rand instead") mp_prime_random_ex(a, t, ((size) * 8) + 1, (bbs==1)?MP_PRIME_BBS:0, cb, dat))
  850. /* makes a truly random prime of a given size (bits),
  851. *
  852. * Flags are as follows:
  853. *
  854. * MP_PRIME_BBS - make prime congruent to 3 mod 4
  855. * MP_PRIME_SAFE - make sure (p-1)/2 is prime as well (implies MP_PRIME_BBS)
  856. * MP_PRIME_2MSB_ON - make the 2nd highest bit one
  857. *
  858. * You have to supply a callback which fills in a buffer with random bytes. "dat" is a parameter you can
  859. * have passed to the callback (e.g. a state or something). This function doesn't use "dat" itself
  860. * so it can be NULL
  861. *
  862. */
  863. /*
  864. MP_DEPRECATED(mp_prime_rand) mp_err mp_prime_random_ex(mp_int *a, int t, int size, int flags,
  865. private_mp_prime_callback cb, void *dat) MP_WUR;
  866. */
  867. /*
  868. mp_err mp_prime_rand(mp_int *a, int t, int size, int flags) MP_WUR;
  869. */
  870. /* Integer logarithm to integer base */
  871. /*
  872. mp_err mp_log_u32(const mp_int *a, unsigned int base, unsigned int *c) MP_WUR;
  873. */
  874. /* c = a**b */
  875. /*
  876. mp_err mp_expt_u32(const mp_int *a, unsigned int b, mp_int *c) MP_WUR;
  877. */
  878. /*
  879. MP_DEPRECATED(mp_expt_u32) mp_err mp_expt_d(const mp_int *a, mp_digit b, mp_int *c) MP_WUR;
  880. */
  881. /*
  882. MP_DEPRECATED(mp_expt_u32) mp_err mp_expt_d_ex(const mp_int *a, mp_digit b, mp_int *c, int fast) MP_WUR;
  883. */
  884. /* ---> radix conversion <--- */
  885. /*
  886. int mp_count_bits(const mp_int *a) MP_WUR;
  887. */
  888. /*
  889. MP_DEPRECATED(mp_ubin_size) int mp_unsigned_bin_size(const mp_int *a) MP_WUR;
  890. */
  891. /*
  892. MP_DEPRECATED(mp_from_ubin) mp_err mp_read_unsigned_bin(mp_int *a, const unsigned char *b, int c) MP_WUR;
  893. */
  894. /*
  895. MP_DEPRECATED(mp_to_ubin) mp_err mp_to_unsigned_bin(const mp_int *a, unsigned char *b) MP_WUR;
  896. */
  897. /*
  898. MP_DEPRECATED(mp_to_ubin) mp_err mp_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen) MP_WUR;
  899. */
  900. /*
  901. MP_DEPRECATED(mp_sbin_size) int mp_signed_bin_size(const mp_int *a) MP_WUR;
  902. */
  903. /*
  904. MP_DEPRECATED(mp_from_sbin) mp_err mp_read_signed_bin(mp_int *a, const unsigned char *b, int c) MP_WUR;
  905. */
  906. /*
  907. MP_DEPRECATED(mp_to_sbin) mp_err mp_to_signed_bin(const mp_int *a, unsigned char *b) MP_WUR;
  908. */
  909. /*
  910. MP_DEPRECATED(mp_to_sbin) mp_err mp_to_signed_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen) MP_WUR;
  911. */
  912. /*
  913. size_t mp_ubin_size(const mp_int *a) MP_WUR;
  914. */
  915. /*
  916. mp_err mp_from_ubin(mp_int *a, const unsigned char *buf, size_t size) MP_WUR;
  917. */
  918. /*
  919. mp_err mp_to_ubin(const mp_int *a, unsigned char *buf, size_t maxlen, size_t *written) MP_WUR;
  920. */
  921. /*
  922. size_t mp_sbin_size(const mp_int *a) MP_WUR;
  923. */
  924. /*
  925. mp_err mp_from_sbin(mp_int *a, const unsigned char *buf, size_t size) MP_WUR;
  926. */
  927. /*
  928. mp_err mp_to_sbin(const mp_int *a, unsigned char *buf, size_t maxlen, size_t *written) MP_WUR;
  929. */
  930. /*
  931. mp_err mp_read_radix(mp_int *a, const char *str, int radix) MP_WUR;
  932. */
  933. /*
  934. MP_DEPRECATED(mp_to_radix) mp_err mp_toradix(const mp_int *a, char *str, int radix) MP_WUR;
  935. */
  936. /*
  937. MP_DEPRECATED(mp_to_radix) mp_err mp_toradix_n(const mp_int *a, char *str, int radix, int maxlen) MP_WUR;
  938. */
  939. /*
  940. mp_err mp_to_radix(const mp_int *a, char *str, size_t maxlen, size_t *written, int radix) MP_WUR;
  941. */
  942. /*
  943. mp_err mp_radix_size(const mp_int *a, int radix, int *size) MP_WUR;
  944. */
  945. #ifndef MP_NO_FILE
  946. /*
  947. mp_err mp_fread(mp_int *a, int radix, FILE *stream) MP_WUR;
  948. */
  949. /*
  950. mp_err mp_fwrite(const mp_int *a, int radix, FILE *stream) MP_WUR;
  951. */
  952. #endif
  953. #define mp_read_raw(mp, str, len) (MP_DEPRECATED_PRAGMA("replaced by mp_read_signed_bin") mp_read_signed_bin((mp), (str), (len)))
  954. #define mp_raw_size(mp) (MP_DEPRECATED_PRAGMA("replaced by mp_signed_bin_size") mp_signed_bin_size(mp))
  955. #define mp_toraw(mp, str) (MP_DEPRECATED_PRAGMA("replaced by mp_to_signed_bin") mp_to_signed_bin((mp), (str)))
  956. #define mp_read_mag(mp, str, len) (MP_DEPRECATED_PRAGMA("replaced by mp_read_unsigned_bin") mp_read_unsigned_bin((mp), (str), (len))
  957. #define mp_mag_size(mp) (MP_DEPRECATED_PRAGMA("replaced by mp_unsigned_bin_size") mp_unsigned_bin_size(mp))
  958. #define mp_tomag(mp, str) (MP_DEPRECATED_PRAGMA("replaced by mp_to_unsigned_bin") mp_to_unsigned_bin((mp), (str)))
  959. #define mp_tobinary(M, S) (MP_DEPRECATED_PRAGMA("replaced by mp_to_binary") mp_toradix((M), (S), 2))
  960. #define mp_tooctal(M, S) (MP_DEPRECATED_PRAGMA("replaced by mp_to_octal") mp_toradix((M), (S), 8))
  961. #define mp_todecimal(M, S) (MP_DEPRECATED_PRAGMA("replaced by mp_to_decimal") mp_toradix((M), (S), 10))
  962. #define mp_tohex(M, S) (MP_DEPRECATED_PRAGMA("replaced by mp_to_hex") mp_toradix((M), (S), 16))
  963. #define mp_to_binary(M, S, N) mp_to_radix((M), (S), (N), NULL, 2)
  964. #define mp_to_octal(M, S, N) mp_to_radix((M), (S), (N), NULL, 8)
  965. #define mp_to_decimal(M, S, N) mp_to_radix((M), (S), (N), NULL, 10)
  966. #define mp_to_hex(M, S, N) mp_to_radix((M), (S), (N), NULL, 16)
  967. #ifdef __cplusplus
  968. }
  969. #endif
  970. #include "tclTomMathDecls.h"
  971. #endif