VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/crypto/key-create-rsa-openssl.cpp@ 78018

Last change on this file since 78018 was 76553, checked in by vboxsync, 6 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 3.2 KB
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1/* $Id: key-create-rsa-openssl.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2/** @file
3 * IPRT - Crypto - RSA Key Creation using OpenSSL.
4 */
5
6/*
7 * Copyright (C) 2018-2019 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include "internal/iprt.h"
32#include <iprt/crypto/key.h>
33
34#ifdef IPRT_WITH_OPENSSL /* Whole file. */
35# include <iprt/err.h>
36# include <iprt/string.h>
37
38# include "internal/iprt-openssl.h"
39# include <openssl/rsa.h>
40# include <openssl/err.h>
41
42# include "key-internal.h"
43
44
45
46RTDECL(int) RTCrKeyCreateNewRsa(PRTCRKEY phKey, uint32_t cBits, uint32_t uPubExp, uint32_t fFlags)
47{
48 AssertPtrReturn(phKey, VERR_INVALID_POINTER);
49 AssertMsgReturn(cBits >= 128 && cBits <= _64K, ("cBits=%u\n", cBits), VERR_OUT_OF_RANGE);
50 AssertReturn(uPubExp > 0, VERR_OUT_OF_RANGE);
51 AssertReturn(!fFlags, VERR_INVALID_FLAGS);
52
53 rtCrOpenSslInit();
54
55 /*
56 * Do the key generation first.
57 */
58 int rc = VERR_NO_MEMORY;
59 RSA *pRsa = RSA_new();
60 if (pRsa)
61 {
62 BIGNUM *pPubExp = BN_new();
63 if (pPubExp)
64 {
65 if (BN_set_word(pPubExp, uPubExp) != 0)
66 {
67 if (RSA_generate_key_ex(pRsa, cBits, pPubExp, NULL))
68 {
69 /*
70 * Create a IPRT key for it by encoding it as a private key.
71 */
72 unsigned char *pbRsaPrivateKey = NULL;
73 int cbRsaPrivateKey = i2d_RSAPrivateKey(pRsa, &pbRsaPrivateKey);
74 if (cbRsaPrivateKey)
75 {
76 rc = rtCrKeyCreateRsaPrivate(phKey, pbRsaPrivateKey, cbRsaPrivateKey, NULL, NULL);
77 OPENSSL_free(pbRsaPrivateKey);
78 }
79 /* else: VERR_NO_MEMORY */
80 }
81 else
82 rc = VERR_CR_KEY_GEN_FAILED_RSA;
83 }
84 BN_free(pPubExp);
85 }
86 RSA_free(pRsa);
87 }
88 return rc;
89}
90
91#endif /* IPRT_WITH_OPENSSL */
92
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