| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at |
| 7 | * https://www.openssl.org/source/license.html |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * NB: This file contains deprecated functions (compatibility wrappers to the |
| 12 | * "new" versions). |
| 13 | */ |
| 14 | |
| 15 | #include <openssl/opensslconf.h> |
| 16 | #if OPENSSL_API_COMPAT >= 0x00908000L |
| 17 | NON_EMPTY_TRANSLATION_UNIT |
| 18 | |
| 19 | #else |
| 20 | |
| 21 | # include <stdio.h> |
| 22 | # include <time.h> |
| 23 | # include "internal/cryptlib.h" |
| 24 | # include <openssl/bn.h> |
| 25 | # include <openssl/rsa.h> |
| 26 | |
| 27 | RSA *RSA_generate_key(int bits, unsigned long e_value, |
| 28 | void (*callback) (int, int, void *), void *cb_arg) |
| 29 | { |
| 30 | int i; |
| 31 | BN_GENCB *cb = BN_GENCB_new(); |
| 32 | RSA *rsa = RSA_new(); |
| 33 | BIGNUM *e = BN_new(); |
| 34 | |
| 35 | if (cb == NULL || rsa == NULL || e == NULL) |
| 36 | goto err; |
| 37 | |
| 38 | /* |
| 39 | * The problem is when building with 8, 16, or 32 BN_ULONG, unsigned long |
| 40 | * can be larger |
| 41 | */ |
| 42 | for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) { |
| 43 | if (e_value & (1UL << i)) |
| 44 | if (BN_set_bit(e, i) == 0) |
| 45 | goto err; |
| 46 | } |
| 47 | |
| 48 | BN_GENCB_set_old(cb, callback, cb_arg); |
| 49 | |
| 50 | if (RSA_generate_key_ex(rsa, bits, e, cb)) { |
| 51 | BN_free(e); |
| 52 | BN_GENCB_free(cb); |
| 53 | return rsa; |
| 54 | } |
| 55 | err: |
| 56 | BN_free(e); |
| 57 | RSA_free(rsa); |
| 58 | BN_GENCB_free(cb); |
| 59 | return 0; |
| 60 | } |
| 61 | #endif |