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