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author Matt Johnston <matt@ucc.asn.au>
date Thu, 15 Oct 2020 19:55:15 +0800
parents 1051e4eea25a
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1562:768ebf737aa0 1739:13d834efc376
1 #include "tommath_private.h"
2 #ifdef BN_DEPRECATED_C
3 /* LibTomMath, multiple-precision integer library -- Tom St Denis */
4 /* SPDX-License-Identifier: Unlicense */
5
6 #ifdef BN_MP_GET_BIT_C
7 int mp_get_bit(const mp_int *a, int b)
8 {
9 if (b < 0) {
10 return MP_VAL;
11 }
12 return (s_mp_get_bit(a, (unsigned int)b) == MP_YES) ? MP_YES : MP_NO;
13 }
14 #endif
15 #ifdef BN_MP_JACOBI_C
16 mp_err mp_jacobi(const mp_int *a, const mp_int *n, int *c)
17 {
18 if (a->sign == MP_NEG) {
19 return MP_VAL;
20 }
21 if (mp_cmp_d(n, 0uL) != MP_GT) {
22 return MP_VAL;
23 }
24 return mp_kronecker(a, n, c);
25 }
26 #endif
27 #ifdef BN_MP_PRIME_RANDOM_EX_C
28 mp_err mp_prime_random_ex(mp_int *a, int t, int size, int flags, private_mp_prime_callback cb, void *dat)
29 {
30 return s_mp_prime_random_ex(a, t, size, flags, cb, dat);
31 }
32 #endif
33 #ifdef BN_MP_RAND_DIGIT_C
34 mp_err mp_rand_digit(mp_digit *r)
35 {
36 mp_err err = s_mp_rand_source(r, sizeof(mp_digit));
37 *r &= MP_MASK;
38 return err;
39 }
40 #endif
41 #ifdef BN_FAST_MP_INVMOD_C
42 mp_err fast_mp_invmod(const mp_int *a, const mp_int *b, mp_int *c)
43 {
44 return s_mp_invmod_fast(a, b, c);
45 }
46 #endif
47 #ifdef BN_FAST_MP_MONTGOMERY_REDUCE_C
48 mp_err fast_mp_montgomery_reduce(mp_int *x, const mp_int *n, mp_digit rho)
49 {
50 return s_mp_montgomery_reduce_fast(x, n, rho);
51 }
52 #endif
53 #ifdef BN_FAST_S_MP_MUL_DIGS_C
54 mp_err fast_s_mp_mul_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs)
55 {
56 return s_mp_mul_digs_fast(a, b, c, digs);
57 }
58 #endif
59 #ifdef BN_FAST_S_MP_MUL_HIGH_DIGS_C
60 mp_err fast_s_mp_mul_high_digs(const mp_int *a, const mp_int *b, mp_int *c, int digs)
61 {
62 return s_mp_mul_high_digs_fast(a, b, c, digs);
63 }
64 #endif
65 #ifdef BN_FAST_S_MP_SQR_C
66 mp_err fast_s_mp_sqr(const mp_int *a, mp_int *b)
67 {
68 return s_mp_sqr_fast(a, b);
69 }
70 #endif
71 #ifdef BN_MP_BALANCE_MUL_C
72 mp_err mp_balance_mul(const mp_int *a, const mp_int *b, mp_int *c)
73 {
74 return s_mp_balance_mul(a, b, c);
75 }
76 #endif
77 #ifdef BN_MP_EXPTMOD_FAST_C
78 mp_err mp_exptmod_fast(const mp_int *G, const mp_int *X, const mp_int *P, mp_int *Y, int redmode)
79 {
80 return s_mp_exptmod_fast(G, X, P, Y, redmode);
81 }
82 #endif
83 #ifdef BN_MP_INVMOD_SLOW_C
84 mp_err mp_invmod_slow(const mp_int *a, const mp_int *b, mp_int *c)
85 {
86 return s_mp_invmod_slow(a, b, c);
87 }
88 #endif
89 #ifdef BN_MP_KARATSUBA_MUL_C
90 mp_err mp_karatsuba_mul(const mp_int *a, const mp_int *b, mp_int *c)
91 {
92 return s_mp_karatsuba_mul(a, b, c);
93 }
94 #endif
95 #ifdef BN_MP_KARATSUBA_SQR_C
96 mp_err mp_karatsuba_sqr(const mp_int *a, mp_int *b)
97 {
98 return s_mp_karatsuba_sqr(a, b);
99 }
100 #endif
101 #ifdef BN_MP_TOOM_MUL_C
102 mp_err mp_toom_mul(const mp_int *a, const mp_int *b, mp_int *c)
103 {
104 return s_mp_toom_mul(a, b, c);
105 }
106 #endif
107 #ifdef BN_MP_TOOM_SQR_C
108 mp_err mp_toom_sqr(const mp_int *a, mp_int *b)
109 {
110 return s_mp_toom_sqr(a, b);
111 }
112 #endif
113 #ifdef S_MP_REVERSE_C
114 void bn_reverse(unsigned char *s, int len)
115 {
116 if (len > 0) {
117 s_mp_reverse(s, (size_t)len);
118 }
119 }
120 #endif
121 #ifdef BN_MP_TC_AND_C
122 mp_err mp_tc_and(const mp_int *a, const mp_int *b, mp_int *c)
123 {
124 return mp_and(a, b, c);
125 }
126 #endif
127 #ifdef BN_MP_TC_OR_C
128 mp_err mp_tc_or(const mp_int *a, const mp_int *b, mp_int *c)
129 {
130 return mp_or(a, b, c);
131 }
132 #endif
133 #ifdef BN_MP_TC_XOR_C
134 mp_err mp_tc_xor(const mp_int *a, const mp_int *b, mp_int *c)
135 {
136 return mp_xor(a, b, c);
137 }
138 #endif
139 #ifdef BN_MP_TC_DIV_2D_C
140 mp_err mp_tc_div_2d(const mp_int *a, int b, mp_int *c)
141 {
142 return mp_signed_rsh(a, b, c);
143 }
144 #endif
145 #ifdef BN_MP_INIT_SET_INT_C
146 mp_err mp_init_set_int(mp_int *a, unsigned long b)
147 {
148 return mp_init_u32(a, (uint32_t)b);
149 }
150 #endif
151 #ifdef BN_MP_SET_INT_C
152 mp_err mp_set_int(mp_int *a, unsigned long b)
153 {
154 mp_set_u32(a, (uint32_t)b);
155 return MP_OKAY;
156 }
157 #endif
158 #ifdef BN_MP_SET_LONG_C
159 mp_err mp_set_long(mp_int *a, unsigned long b)
160 {
161 mp_set_u64(a, b);
162 return MP_OKAY;
163 }
164 #endif
165 #ifdef BN_MP_SET_LONG_LONG_C
166 mp_err mp_set_long_long(mp_int *a, unsigned long long b)
167 {
168 mp_set_u64(a, b);
169 return MP_OKAY;
170 }
171 #endif
172 #ifdef BN_MP_GET_INT_C
173 unsigned long mp_get_int(const mp_int *a)
174 {
175 return (unsigned long)mp_get_mag_u32(a);
176 }
177 #endif
178 #ifdef BN_MP_GET_LONG_C
179 unsigned long mp_get_long(const mp_int *a)
180 {
181 return (unsigned long)mp_get_mag_ul(a);
182 }
183 #endif
184 #ifdef BN_MP_GET_LONG_LONG_C
185 unsigned long long mp_get_long_long(const mp_int *a)
186 {
187 return mp_get_mag_ull(a);
188 }
189 #endif
190 #ifdef BN_MP_PRIME_IS_DIVISIBLE_C
191 mp_err mp_prime_is_divisible(const mp_int *a, mp_bool *result)
192 {
193 return s_mp_prime_is_divisible(a, result);
194 }
195 #endif
196 #ifdef BN_MP_EXPT_D_EX_C
197 mp_err mp_expt_d_ex(const mp_int *a, mp_digit b, mp_int *c, int fast)
198 {
199 (void)fast;
200 if (b > MP_MIN(MP_DIGIT_MAX, UINT32_MAX)) {
201 return MP_VAL;
202 }
203 return mp_expt_u32(a, (uint32_t)b, c);
204 }
205 #endif
206 #ifdef BN_MP_EXPT_D_C
207 mp_err mp_expt_d(const mp_int *a, mp_digit b, mp_int *c)
208 {
209 if (b > MP_MIN(MP_DIGIT_MAX, UINT32_MAX)) {
210 return MP_VAL;
211 }
212 return mp_expt_u32(a, (uint32_t)b, c);
213 }
214 #endif
215 #ifdef BN_MP_N_ROOT_EX_C
216 mp_err mp_n_root_ex(const mp_int *a, mp_digit b, mp_int *c, int fast)
217 {
218 (void)fast;
219 if (b > MP_MIN(MP_DIGIT_MAX, UINT32_MAX)) {
220 return MP_VAL;
221 }
222 return mp_root_u32(a, (uint32_t)b, c);
223 }
224 #endif
225 #ifdef BN_MP_N_ROOT_C
226 mp_err mp_n_root(const mp_int *a, mp_digit b, mp_int *c)
227 {
228 if (b > MP_MIN(MP_DIGIT_MAX, UINT32_MAX)) {
229 return MP_VAL;
230 }
231 return mp_root_u32(a, (uint32_t)b, c);
232 }
233 #endif
234 #ifdef BN_MP_UNSIGNED_BIN_SIZE_C
235 int mp_unsigned_bin_size(const mp_int *a)
236 {
237 return (int)mp_ubin_size(a);
238 }
239 #endif
240 #ifdef BN_MP_READ_UNSIGNED_BIN_C
241 mp_err mp_read_unsigned_bin(mp_int *a, const unsigned char *b, int c)
242 {
243 return mp_from_ubin(a, b, (size_t) c);
244 }
245 #endif
246 #ifdef BN_MP_TO_UNSIGNED_BIN_C
247 mp_err mp_to_unsigned_bin(const mp_int *a, unsigned char *b)
248 {
249 return mp_to_ubin(a, b, SIZE_MAX, NULL);
250 }
251 #endif
252 #ifdef BN_MP_TO_UNSIGNED_BIN_N_C
253 mp_err mp_to_unsigned_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen)
254 {
255 size_t n = mp_ubin_size(a);
256 if (*outlen < (unsigned long)n) {
257 return MP_VAL;
258 }
259 *outlen = (unsigned long)n;
260 return mp_to_ubin(a, b, n, NULL);
261 }
262 #endif
263 #ifdef BN_MP_SIGNED_BIN_SIZE_C
264 int mp_signed_bin_size(const mp_int *a)
265 {
266 return (int)mp_sbin_size(a);
267 }
268 #endif
269 #ifdef BN_MP_READ_SIGNED_BIN_C
270 mp_err mp_read_signed_bin(mp_int *a, const unsigned char *b, int c)
271 {
272 return mp_from_sbin(a, b, (size_t) c);
273 }
274 #endif
275 #ifdef BN_MP_TO_SIGNED_BIN_C
276 mp_err mp_to_signed_bin(const mp_int *a, unsigned char *b)
277 {
278 return mp_to_sbin(a, b, SIZE_MAX, NULL);
279 }
280 #endif
281 #ifdef BN_MP_TO_SIGNED_BIN_N_C
282 mp_err mp_to_signed_bin_n(const mp_int *a, unsigned char *b, unsigned long *outlen)
283 {
284 size_t n = mp_sbin_size(a);
285 if (*outlen < (unsigned long)n) {
286 return MP_VAL;
287 }
288 *outlen = (unsigned long)n;
289 return mp_to_sbin(a, b, n, NULL);
290 }
291 #endif
292 #ifdef BN_MP_TORADIX_N_C
293 mp_err mp_toradix_n(const mp_int *a, char *str, int radix, int maxlen)
294 {
295 if (maxlen < 0) {
296 return MP_VAL;
297 }
298 return mp_to_radix(a, str, (size_t)maxlen, NULL, radix);
299 }
300 #endif
301 #ifdef BN_MP_TORADIX_C
302 mp_err mp_toradix(const mp_int *a, char *str, int radix)
303 {
304 return mp_to_radix(a, str, SIZE_MAX, NULL, radix);
305 }
306 #endif
307 #ifdef BN_MP_IMPORT_C
308 mp_err mp_import(mp_int *rop, size_t count, int order, size_t size, int endian, size_t nails,
309 const void *op)
310 {
311 return mp_unpack(rop, count, order, size, endian, nails, op);
312 }
313 #endif
314 #ifdef BN_MP_EXPORT_C
315 mp_err mp_export(void *rop, size_t *countp, int order, size_t size,
316 int endian, size_t nails, const mp_int *op)
317 {
318 return mp_pack(rop, SIZE_MAX, countp, order, size, endian, nails, op);
319 }
320 #endif
321 #endif