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 * Functions for Verifying Signatures and MACS
30 * (as defined in PKCS#11 spec section 11.13)
31 */
32
33#include "metaGlobal.h"
34
35
36/*
37 * meta_VerifyInit
38 *
39 */
40CK_RV
41meta_VerifyInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
42    CK_OBJECT_HANDLE hKey)
43{
44	CK_RV rv;
45	meta_session_t *session;
46	meta_object_t *key;
47
48	if (pMechanism == NULL)
49		return (CKR_ARGUMENTS_BAD);
50
51	rv = meta_handle2session(hSession, &session);
52	if (rv != CKR_OK)
53		return (rv);
54
55	rv = meta_handle2object(hKey, &key);
56	if (rv != CKR_OK) {
57		REFRELEASE(session);
58		return (rv);
59	}
60
61	rv = meta_operation_init(CKF_VERIFY, session, pMechanism, key);
62
63	OBJRELEASE(key);
64	REFRELEASE(session);
65
66	return (rv);
67}
68
69
70/*
71 * meta_Verify
72 *
73 */
74CK_RV
75meta_Verify(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG ulDataLen,
76    CK_BYTE_PTR pSignature, CK_ULONG ulSignatureLen)
77{
78	CK_RV rv;
79	meta_session_t *session;
80
81	rv = meta_handle2session(hSession, &session);
82	if (rv != CKR_OK)
83		return (rv);
84
85	/* Note: unlike other ops, both buffers are inputs, and required. */
86	if (pData == NULL || pSignature == NULL) {
87		meta_operation_cleanup(session, CKF_VERIFY, FALSE);
88		REFRELEASE(session);
89		return (CKR_ARGUMENTS_BAD);
90	}
91
92	rv = meta_do_operation(CKF_VERIFY, MODE_SINGLE, session, NULL,
93	    pData, ulDataLen, pSignature, &ulSignatureLen);
94
95	REFRELEASE(session);
96
97	return (rv);
98}
99
100
101/*
102 * meta_VerifyUpdate
103 *
104 */
105CK_RV
106meta_VerifyUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
107    CK_ULONG ulPartLen)
108{
109	CK_RV rv;
110	meta_session_t *session;
111
112	rv = meta_handle2session(hSession, &session);
113	if (rv != CKR_OK)
114		return (rv);
115
116	if (pPart == NULL) {
117		meta_operation_cleanup(session, CKF_VERIFY, FALSE);
118		REFRELEASE(session);
119		return (CKR_ARGUMENTS_BAD);
120	}
121
122	rv = meta_do_operation(CKF_VERIFY, MODE_UPDATE, session, NULL,
123	    pPart, ulPartLen, NULL, NULL);
124
125	REFRELEASE(session);
126
127	return (rv);
128}
129
130
131/*
132 * meta_VerifyFinal
133 *
134 */
135CK_RV
136meta_VerifyFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSignature,
137    CK_ULONG ulSignatureLen)
138{
139	CK_RV rv;
140	meta_session_t *session;
141
142	rv = meta_handle2session(hSession, &session);
143	if (rv != CKR_OK)
144		return (rv);
145
146	/*
147	 * Unlike other ops the buffer is an input. Allow NULL if there's
148	 * no more input.
149	 */
150	if (pSignature == NULL && ulSignatureLen != 0) {
151		meta_operation_cleanup(session, CKF_VERIFY, FALSE);
152		REFRELEASE(session);
153		return (CKR_ARGUMENTS_BAD);
154	}
155
156	rv = meta_do_operation(CKF_VERIFY, MODE_FINAL, session, NULL,
157	    pSignature, ulSignatureLen, NULL, NULL);
158
159	REFRELEASE(session);
160
161	return (rv);
162}
163
164
165/*
166 * meta_VerifyRecoverInit
167 *
168 */
169CK_RV
170meta_VerifyRecoverInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
171    CK_OBJECT_HANDLE hKey)
172{
173	CK_RV rv;
174	meta_session_t *session;
175	meta_object_t *key;
176
177	if (pMechanism == NULL)
178		return (CKR_ARGUMENTS_BAD);
179
180	rv = meta_handle2session(hSession, &session);
181	if (rv != CKR_OK)
182		return (rv);
183
184	rv = meta_handle2object(hKey, &key);
185	if (rv != CKR_OK) {
186		REFRELEASE(session);
187		return (rv);
188	}
189
190	rv = meta_operation_init(CKF_VERIFY_RECOVER, session, pMechanism, key);
191
192	OBJRELEASE(key);
193	REFRELEASE(session);
194
195	return (rv);
196}
197
198
199/*
200 * meta_VerifyRecover
201 *
202 */
203CK_RV
204meta_VerifyRecover(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSignature,
205    CK_ULONG ulSignatureLen, CK_BYTE_PTR pData, CK_ULONG_PTR pulDataLen)
206{
207	CK_RV rv;
208	meta_session_t *session;
209
210	rv = meta_handle2session(hSession, &session);
211	if (rv != CKR_OK)
212		return (rv);
213
214	if (pSignature == NULL || pulDataLen == NULL) {
215		meta_operation_cleanup(session, CKF_VERIFY_RECOVER, FALSE);
216		REFRELEASE(session);
217		return (CKR_ARGUMENTS_BAD);
218	}
219
220	rv = meta_do_operation(CKF_VERIFY_RECOVER, MODE_SINGLE, session, NULL,
221	    pSignature, ulSignatureLen, pData, pulDataLen);
222
223	REFRELEASE(session);
224
225	return (rv);
226}
227