xref: /illumos-gate/usr/src/lib/pkcs11/pkcs11_softtoken/common/softDualCrypt.c (revision 08855964b9970604433f7b19dcd71cf5af5e5f14)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <security/cryptoki.h>
28 #include "softGlobal.h"
29 #include "softSession.h"
30 #include "softObject.h"
31 #include "softOps.h"
32 
33 CK_RV
34 C_DigestEncryptUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
35     CK_ULONG ulPartLen, CK_BYTE_PTR pEncryptedPart,
36     CK_ULONG_PTR pulEncryptedPartLen)
37 {
38 
39 	CK_RV	rv;
40 
41 	/*
42 	 * All the front-end checkings will be done in the
43 	 * C_EncryptUpdate and C_DigestUpdate.
44 	 */
45 	rv = C_EncryptUpdate(hSession, pPart, ulPartLen,
46 	    pEncryptedPart, pulEncryptedPartLen);
47 
48 	if (rv != CKR_OK)
49 		return (rv);
50 
51 	/*
52 	 * If the application just wants to know the length of output
53 	 * buffer, then we do not digest the data.
54 	 */
55 	if (pEncryptedPart == NULL)
56 		return (CKR_OK);
57 
58 	return (C_DigestUpdate(hSession, pPart, ulPartLen));
59 }
60 
61 
62 CK_RV
63 C_DecryptDigestUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pEncryptedPart,
64     CK_ULONG ulEncryptedPartLen, CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
65 {
66 
67 	CK_RV	rv;
68 
69 	/*
70 	 * All the front-end checkings will be done in the
71 	 * C_DecryptUpdate and C_DigestUpdate.
72 	 */
73 	rv = C_DecryptUpdate(hSession, pEncryptedPart, ulEncryptedPartLen,
74 	    pPart, pulPartLen);
75 
76 	if (rv != CKR_OK)
77 		return (rv);
78 
79 	/*
80 	 * If the application just wants to know the length of output
81 	 * buffer, then we do not digest the data.
82 	 */
83 	if (pPart == NULL)
84 		return (CKR_OK);
85 
86 	return (C_DigestUpdate(hSession, pPart, *pulPartLen));
87 }
88 
89 
90 CK_RV
91 C_SignEncryptUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
92     CK_ULONG ulPartLen, CK_BYTE_PTR pEncryptedPart,
93     CK_ULONG_PTR pulEncryptedPartLen)
94 {
95 
96 	CK_RV	rv;
97 
98 	/*
99 	 * All the front-end checkings will be done in the
100 	 * C_EncryptUpdate and C_SignUpdate.
101 	 */
102 	rv = C_EncryptUpdate(hSession, pPart, ulPartLen,
103 	    pEncryptedPart, pulEncryptedPartLen);
104 
105 	if (rv != CKR_OK)
106 		return (rv);
107 
108 	/*
109 	 * If the application just wants to know the length of output
110 	 * buffer, then we do not sign the data.
111 	 */
112 	if (pEncryptedPart == NULL)
113 		return (CKR_OK);
114 
115 	return (C_SignUpdate(hSession, pPart, ulPartLen));
116 }
117 
118 
119 CK_RV
120 C_DecryptVerifyUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pEncryptedPart,
121     CK_ULONG ulEncryptedPartLen, CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
122 {
123 
124 	CK_RV	rv;
125 
126 	/*
127 	 * All the front-end checkings will be done in the
128 	 * C_DecryptUpdate and C_VerifyUpdate.
129 	 */
130 	rv = C_DecryptUpdate(hSession, pEncryptedPart, ulEncryptedPartLen,
131 	    pPart, pulPartLen);
132 
133 	if (rv != CKR_OK)
134 		return (rv);
135 
136 	/*
137 	 * If the application just wants to know the length of output
138 	 * buffer, then we do not verify the data.
139 	 */
140 	if (pPart == NULL)
141 		return (CKR_OK);
142 
143 	return (C_VerifyUpdate(hSession, pPart, *pulPartLen));
144 }
145