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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #pragma ident "%Z%%M% %I% %E% SMI"
27
28 /*
29 * Message Digesting Functions
30 * (as defined in PKCS#11 spec section 11.10)
31 */
32
33 #include "metaGlobal.h"
34
35
36 /*
37 * meta_DigestInit
38 *
39 */
40 CK_RV
meta_DigestInit(CK_SESSION_HANDLE hSession,CK_MECHANISM_PTR pMechanism)41 meta_DigestInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism)
42 {
43 CK_RV rv;
44 meta_session_t *session;
45
46 if (pMechanism == NULL)
47 return (CKR_ARGUMENTS_BAD);
48
49 rv = meta_handle2session(hSession, &session);
50 if (rv != CKR_OK)
51 return (rv);
52
53 rv = meta_operation_init_defer(CKF_DIGEST, session, pMechanism, NULL);
54
55 REFRELEASE(session);
56
57 return (rv);
58 }
59
60
61 /*
62 * meta_Digest
63 *
64 */
65 CK_RV
meta_Digest(CK_SESSION_HANDLE hSession,CK_BYTE_PTR pData,CK_ULONG ulDataLen,CK_BYTE_PTR pDigest,CK_ULONG_PTR pulDigestLen)66 meta_Digest(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG ulDataLen,
67 CK_BYTE_PTR pDigest, CK_ULONG_PTR pulDigestLen)
68 {
69 CK_RV rv;
70 meta_session_t *session;
71
72
73 if (pData == NULL || pulDigestLen == NULL)
74 return (CKR_ARGUMENTS_BAD);
75
76 rv = meta_handle2session(hSession, &session);
77 if (rv != CKR_OK)
78 return (rv);
79
80 rv = meta_do_operation(CKF_DIGEST, MODE_SINGLE, session, NULL,
81 pData, ulDataLen, pDigest, pulDigestLen);
82
83 REFRELEASE(session);
84
85 return (rv);
86 }
87
88
89 /*
90 * meta_DigestUpdate
91 *
92 */
93 CK_RV
meta_DigestUpdate(CK_SESSION_HANDLE hSession,CK_BYTE_PTR pPart,CK_ULONG ulPartLen)94 meta_DigestUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
95 CK_ULONG ulPartLen)
96 {
97 CK_RV rv;
98 meta_session_t *session;
99
100
101 if (pPart == NULL)
102 return (CKR_ARGUMENTS_BAD);
103
104 rv = meta_handle2session(hSession, &session);
105 if (rv != CKR_OK)
106 return (rv);
107
108 rv = meta_do_operation(CKF_DIGEST, MODE_UPDATE, session, NULL,
109 pPart, ulPartLen, NULL, NULL);
110
111 REFRELEASE(session);
112
113 return (rv);
114 }
115
116
117 /*
118 * meta_DigestKey
119 *
120 * NOTE: This function can fail under certain circumstances!
121 * Unlike the other crypto functions, we didn't get the key object
122 * when the operation was initialized with C_DigestInit().
123 * Thus, the slot we're using for the digest operation may
124 * not be the slot containing the key -- if the key is extractible we can
125 * deal with it, but if it's not the operation will FAIL.
126 */
127 CK_RV
meta_DigestKey(CK_SESSION_HANDLE hSession,CK_OBJECT_HANDLE hKey)128 meta_DigestKey(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hKey)
129 {
130 CK_RV rv;
131 meta_session_t *session;
132 meta_object_t *key;
133
134 rv = meta_handle2session(hSession, &session);
135 if (rv != CKR_OK)
136 return (rv);
137
138 rv = meta_handle2object(hKey, &key);
139 if (rv != CKR_OK) {
140 REFRELEASE(session);
141 return (rv);
142 }
143
144 /* meta_do_operation() will clone the key, if needed. */
145 rv = meta_do_operation(CKF_DIGEST, MODE_UPDATE_WITHKEY, session, key,
146 NULL, 0, NULL, NULL);
147
148 OBJRELEASE(key);
149 REFRELEASE(session);
150
151 return (rv);
152 }
153
154
155 /*
156 * meta_DigestFinal
157 *
158 */
159 CK_RV
meta_DigestFinal(CK_SESSION_HANDLE hSession,CK_BYTE_PTR pDigest,CK_ULONG_PTR pulDigestLen)160 meta_DigestFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pDigest,
161 CK_ULONG_PTR pulDigestLen)
162 {
163 CK_RV rv;
164 meta_session_t *session;
165
166 if (pulDigestLen == NULL)
167 return (CKR_ARGUMENTS_BAD);
168
169 rv = meta_handle2session(hSession, &session);
170 if (rv != CKR_OK)
171 return (rv);
172
173 rv = meta_do_operation(CKF_DIGEST, MODE_FINAL, session, NULL,
174 NULL, 0, pDigest, pulDigestLen);
175
176 REFRELEASE(session);
177
178 return (rv);
179 }
180