1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* $Id: key-create-rsa-openssl.cpp $ */
/** @file
* IPRT - Crypto - RSA Key Creation using OpenSSL.
*/
/*
* Copyright (C) 2018-2020 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "internal/iprt.h"
#include <iprt/crypto/key.h>
#ifdef IPRT_WITH_OPENSSL /* Whole file. */
# include <iprt/err.h>
# include <iprt/string.h>
# include "internal/iprt-openssl.h"
# include <openssl/rsa.h>
# include <openssl/err.h>
# include "key-internal.h"
RTDECL(int) RTCrKeyCreateNewRsa(PRTCRKEY phKey, uint32_t cBits, uint32_t uPubExp, uint32_t fFlags)
{
AssertPtrReturn(phKey, VERR_INVALID_POINTER);
AssertMsgReturn(cBits >= 128 && cBits <= _64K, ("cBits=%u\n", cBits), VERR_OUT_OF_RANGE);
AssertReturn(uPubExp > 0, VERR_OUT_OF_RANGE);
AssertReturn(!fFlags, VERR_INVALID_FLAGS);
rtCrOpenSslInit();
/*
* Do the key generation first.
*/
int rc = VERR_NO_MEMORY;
RSA *pRsa = RSA_new();
if (pRsa)
{
BIGNUM *pPubExp = BN_new();
if (pPubExp)
{
if (BN_set_word(pPubExp, uPubExp) != 0)
{
if (RSA_generate_key_ex(pRsa, cBits, pPubExp, NULL))
{
/*
* Create a IPRT key for it by encoding it as a private key.
*/
unsigned char *pbRsaPrivateKey = NULL;
int cbRsaPrivateKey = i2d_RSAPrivateKey(pRsa, &pbRsaPrivateKey);
if (cbRsaPrivateKey)
{
rc = rtCrKeyCreateRsaPrivate(phKey, pbRsaPrivateKey, cbRsaPrivateKey, NULL, NULL);
OPENSSL_free(pbRsaPrivateKey);
}
/* else: VERR_NO_MEMORY */
}
else
rc = VERR_CR_KEY_GEN_FAILED_RSA;
}
BN_free(pPubExp);
}
RSA_free(pRsa);
}
return rc;
}
#endif /* IPRT_WITH_OPENSSL */
|
