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e9224c71 GT |
1 | /* crypto/bn/bn_depr.c */ |
2 | /* ==================================================================== | |
3 | * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in | |
14 | * the documentation and/or other materials provided with the | |
15 | * distribution. | |
16 | * | |
17 | * 3. All advertising materials mentioning features or use of this | |
18 | * software must display the following acknowledgment: | |
19 | * "This product includes software developed by the OpenSSL Project | |
20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
21 | * | |
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
23 | * endorse or promote products derived from this software without | |
24 | * prior written permission. For written permission, please contact | |
25 | * openssl-core@openssl.org. | |
26 | * | |
27 | * 5. Products derived from this software may not be called "OpenSSL" | |
28 | * nor may "OpenSSL" appear in their names without prior written | |
29 | * permission of the OpenSSL Project. | |
30 | * | |
31 | * 6. Redistributions of any form whatsoever must retain the following | |
32 | * acknowledgment: | |
33 | * "This product includes software developed by the OpenSSL Project | |
34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
35 | * | |
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
48 | * ==================================================================== | |
49 | * | |
50 | * This product includes cryptographic software written by Eric Young | |
51 | * (eay@cryptsoft.com). This product includes software written by Tim | |
52 | * Hudson (tjh@cryptsoft.com). | |
53 | * | |
54 | */ | |
55 | ||
56 | /* Support for deprecated functions goes here - static linkage will only slurp | |
57 | * this code if applications are using them directly. */ | |
58 | ||
59 | #include <stdio.h> | |
60 | #include <time.h> | |
61 | #include "cryptlib.h" | |
62 | #include "bn_lcl.h" | |
63 | #include <openssl/rand.h> | |
64 | ||
65 | BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe, | |
66 | const BIGNUM *add, const BIGNUM *rem, | |
67 | void (*callback)(int,int,void *), void *cb_arg) | |
68 | { | |
69 | BN_GENCB cb; | |
70 | BIGNUM *rnd=NULL; | |
71 | int found = 0; | |
72 | ||
e1898724 | 73 | BN_GENCB_set_old(&cb, callback, cb_arg); |
e9224c71 GT |
74 | |
75 | if (ret == NULL) | |
76 | { | |
77 | if ((rnd=BN_new()) == NULL) goto err; | |
78 | } | |
79 | else | |
80 | rnd=ret; | |
81 | if(!BN_generate_prime_ex(rnd, bits, safe, add, rem, &cb)) | |
82 | goto err; | |
83 | ||
84 | /* we have a prime :-) */ | |
85 | found = 1; | |
86 | err: | |
87 | if (!found && (ret == NULL) && (rnd != NULL)) BN_free(rnd); | |
88 | return(found ? rnd : NULL); | |
89 | } | |
90 | ||
91 | int BN_is_prime(const BIGNUM *a, int checks, void (*callback)(int,int,void *), | |
92 | BN_CTX *ctx_passed, void *cb_arg) | |
93 | { | |
94 | BN_GENCB cb; | |
e1898724 | 95 | BN_GENCB_set_old(&cb, callback, cb_arg); |
e9224c71 GT |
96 | return BN_is_prime_ex(a, checks, ctx_passed, &cb); |
97 | } | |
98 | ||
99 | int BN_is_prime_fasttest(const BIGNUM *a, int checks, | |
100 | void (*callback)(int,int,void *), | |
101 | BN_CTX *ctx_passed, void *cb_arg, | |
102 | int do_trial_division) | |
103 | { | |
104 | BN_GENCB cb; | |
e1898724 | 105 | BN_GENCB_set_old(&cb, callback, cb_arg); |
e9224c71 GT |
106 | return BN_is_prime_fasttest_ex(a, checks, ctx_passed, |
107 | do_trial_division, &cb); | |
108 | } |