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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/* $Id$ */
/** @file
* IPRT - Crypto - Cryptographic Keys, OpenSSL glue.
*/
/*
* Copyright (C) 2006-2022 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>
#include <iprt/err.h>
#include <iprt/string.h>
#include <iprt/crypto/digest.h>
#ifdef IPRT_WITH_OPENSSL
# include "internal/iprt-openssl.h"
# include "internal/magics.h"
# include "internal/openssl-pre.h"
# include <openssl/evp.h>
# include "internal/openssl-post.h"
# ifndef OPENSSL_VERSION_NUMBER
# error "Missing OPENSSL_VERSION_NUMBER!"
# endif
# include "key-internal.h"
/**
* Creates an OpenSSL key for the given IPRT one, returning the message digest
* algorithm if desired.
*
* @returns IRPT status code.
* @param hKey The key to convert to an OpenSSL key.
* @param fNeedPublic Set if we need the public side of the key.
* @param pszAlgoObjId Alogrithm stuff we currently need.
* @param ppEvpKey Where to return the pointer to the key structure.
* @param ppEvpMdType Where to optionally return the message digest type.
* @param pErrInfo Where to optionally return more error details.
*/
DECLHIDDEN(int) rtCrKeyToOpenSslKey(RTCRKEY hKey, bool fNeedPublic, void /*EVP_PKEY*/ **ppEvpKey, PRTERRINFO pErrInfo)
{
*ppEvpKey = NULL;
AssertReturn(hKey->u32Magic == RTCRKEYINT_MAGIC, VERR_INVALID_HANDLE);
AssertReturn(fNeedPublic == !(hKey->fFlags & RTCRKEYINT_F_PRIVATE), VERR_WRONG_TYPE);
rtCrOpenSslInit();
/*
* Translate the key type from IPRT to EVP speak.
*/
int idKeyType;
switch (hKey->enmType)
{
case RTCRKEYTYPE_RSA_PRIVATE:
case RTCRKEYTYPE_RSA_PUBLIC:
idKeyType = EVP_PKEY_RSA;
break;
default:
return RTErrInfoSetF(pErrInfo, VERR_NOT_SUPPORTED, "Unsupported key type: %d", hKey->enmType);
}
/*
* Allocate a new key structure and set its type.
*/
EVP_PKEY *pEvpNewKey = EVP_PKEY_new();
if (!pEvpNewKey)
return RTErrInfoSetF(pErrInfo, VERR_NO_MEMORY, "EVP_PKEY_new/%d failed", idKeyType);
/*
* Load the key into the structure.
*/
const unsigned char *puchPublicKey = hKey->pbEncoded;
EVP_PKEY *pRet;
if (fNeedPublic)
*ppEvpKey = pRet = d2i_PublicKey(idKeyType, &pEvpNewKey, &puchPublicKey, hKey->cbEncoded);
else
*ppEvpKey = pRet = d2i_PrivateKey(idKeyType, &pEvpNewKey, &puchPublicKey, hKey->cbEncoded);
if (pRet)
return VINF_SUCCESS;
/* Bail out: */
EVP_PKEY_free(pEvpNewKey);
return RTErrInfoSet(pErrInfo, VERR_CR_PKIX_OSSL_D2I_PUBLIC_KEY_FAILED,
fNeedPublic ? "d2i_PublicKey failed" : "d2i_PrivateKey failed");
}
/**
* Creates an OpenSSL key for the given IPRT one, returning the message digest
* algorithm if desired.
*
* @returns IRPT status code.
* @param hKey The key to convert to an OpenSSL key.
* @param fNeedPublic Set if we need the public side of the key.
* @param pszAlgoObjId Alogrithm stuff we currently need.
* @param ppEvpKey Where to return the pointer to the key structure.
* @param ppEvpMdType Where to optionally return the message digest type.
* @param pErrInfo Where to optionally return more error details.
*/
DECLHIDDEN(int) rtCrKeyToOpenSslKeyEx(RTCRKEY hKey, bool fNeedPublic, const char *pszAlgoObjId,
void /*EVP_PKEY*/ **ppEvpKey, const void /*EVP_MD*/ **ppEvpMdType, PRTERRINFO pErrInfo)
{
*ppEvpKey = NULL;
if (ppEvpMdType)
*ppEvpMdType = NULL;
AssertReturn(hKey->u32Magic == RTCRKEYINT_MAGIC, VERR_INVALID_HANDLE);
AssertReturn(fNeedPublic == !(hKey->fFlags & RTCRKEYINT_F_PRIVATE), VERR_WRONG_TYPE);
rtCrOpenSslInit();
/*
* Translate algorithm object ID into stuff that OpenSSL wants.
*/
int iAlgoNid = OBJ_txt2nid(pszAlgoObjId);
if (iAlgoNid == NID_undef)
return RTErrInfoSetF(pErrInfo, VERR_CR_PKIX_OSSL_CIPHER_ALGO_NOT_KNOWN,
"Unknown public key algorithm [OpenSSL]: %s", pszAlgoObjId);
const char *pszAlgoSn = OBJ_nid2sn(iAlgoNid);
# if OPENSSL_VERSION_NUMBER >= 0x10001000 && !defined(LIBRESSL_VERSION_NUMBER)
int idAlgoPkey = 0;
int idAlgoMd = 0;
if (!OBJ_find_sigid_algs(iAlgoNid, &idAlgoMd, &idAlgoPkey))
return RTErrInfoSetF(pErrInfo, VERR_CR_PKIX_OSSL_CIPHER_ALGO_NOT_KNOWN_EVP,
"OBJ_find_sigid_algs failed on %u (%s, %s)", iAlgoNid, pszAlgoSn, pszAlgoObjId);
if (ppEvpMdType)
{
const EVP_MD *pEvpMdType = EVP_get_digestbynid(idAlgoMd);
if (!pEvpMdType)
return RTErrInfoSetF(pErrInfo, VERR_CR_PKIX_OSSL_CIPHER_ALGO_NOT_KNOWN_EVP,
"EVP_get_digestbynid failed on %d (%s, %s)", idAlgoMd, pszAlgoSn, pszAlgoObjId);
*ppEvpMdType = pEvpMdType;
}
# else
const EVP_MD *pEvpMdType = EVP_get_digestbyname(pszAlgoSn);
if (!pEvpMdType)
return RTErrInfoSetF(pErrInfo, VERR_CR_PKIX_OSSL_CIPHER_ALGO_NOT_KNOWN_EVP,
"EVP_get_digestbyname failed on %s (%s)", pszAlgoSn, pszAlgoObjId);
if (ppEvpMdType)
*ppEvpMdType = pEvpMdType;
# endif
/*
* Allocate a new key structure and set its type.
*/
EVP_PKEY *pEvpNewKey = EVP_PKEY_new();
if (!pEvpNewKey)
return RTErrInfoSetF(pErrInfo, VERR_NO_MEMORY, "EVP_PKEY_new(%d) failed", iAlgoNid);
int rc;
# if OPENSSL_VERSION_NUMBER >= 0x10001000 && !defined(LIBRESSL_VERSION_NUMBER)
if (EVP_PKEY_set_type(pEvpNewKey, idAlgoPkey))
{
int idKeyType = EVP_PKEY_base_id(pEvpNewKey);
# else
int idKeyType = pEvpNewKey->type = EVP_PKEY_type(pEvpMdType->required_pkey_type[0]);
# endif
if (idKeyType != NID_undef)
{
/*
* Load the key into the structure.
*/
const unsigned char *puchPublicKey = hKey->pbEncoded;
EVP_PKEY *pRet;
if (fNeedPublic)
*ppEvpKey = pRet = d2i_PublicKey(idKeyType, &pEvpNewKey, &puchPublicKey, hKey->cbEncoded);
else
*ppEvpKey = pRet = d2i_PrivateKey(idKeyType, &pEvpNewKey, &puchPublicKey, hKey->cbEncoded);
if (pRet)
return VINF_SUCCESS;
/* Bail out: */
rc = RTErrInfoSet(pErrInfo, VERR_CR_PKIX_OSSL_D2I_PUBLIC_KEY_FAILED,
fNeedPublic ? "d2i_PublicKey failed" : "d2i_PrivateKey failed");
}
else
# if OPENSSL_VERSION_NUMBER < 0x10001000 || defined(LIBRESSL_VERSION_NUMBER)
rc = RTErrInfoSetF(pErrInfo, VERR_CR_PKIX_OSSL_EVP_PKEY_TYPE_ERROR, "EVP_PKEY_type() failed");
# else
rc = RTErrInfoSetF(pErrInfo, VERR_CR_PKIX_OSSL_EVP_PKEY_TYPE_ERROR, "EVP_PKEY_base_id() failed");
}
else
rc = RTErrInfoSetF(pErrInfo, VERR_CR_PKIX_OSSL_EVP_PKEY_TYPE_ERROR,
"EVP_PKEY_set_type(%u) failed (sig algo %s)", idAlgoPkey, pszAlgoSn);
# endif
EVP_PKEY_free(pEvpNewKey);
return rc;
}
#endif /* IPRT_WITH_OPENSSL */
|
