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 * Encryption and Decryption Functions
30 * (as defined in PKCS#11 spec sections 11.8 and 11.9)
31 */
32
33#include "metaGlobal.h"
34
35
36/*
37 * meta_EncryptInit
38 *
39 */
40CK_RV
41meta_EncryptInit(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_defer(CKF_ENCRYPT, session, pMechanism, key);
62
63	OBJRELEASE(key);
64	REFRELEASE(session);
65
66	return (rv);
67}
68
69
70/*
71 * meta_Encrypt
72 *
73 */
74CK_RV
75meta_Encrypt(CK_SESSION_HANDLE hSession,
76    CK_BYTE_PTR pData, CK_ULONG ulDataLen,
77    CK_BYTE_PTR pEncryptedData, CK_ULONG_PTR pulEncryptedDataLen)
78{
79	CK_RV rv;
80	meta_session_t *session;
81
82	rv = meta_handle2session(hSession, &session);
83	if (rv != CKR_OK)
84		return (rv);
85
86	if (pData == NULL || pulEncryptedDataLen == NULL) {
87		meta_operation_cleanup(session, CKF_ENCRYPT, FALSE);
88		REFRELEASE(session);
89		return (CKR_ARGUMENTS_BAD);
90	}
91
92	rv = meta_do_operation(CKF_ENCRYPT, MODE_SINGLE, session, NULL,
93	    pData, ulDataLen, pEncryptedData, pulEncryptedDataLen);
94
95	REFRELEASE(session);
96
97	return (rv);
98}
99
100
101/*
102 * meta_EncryptUpdate
103 *
104 */
105CK_RV
106meta_EncryptUpdate(CK_SESSION_HANDLE hSession,
107    CK_BYTE_PTR pPart, CK_ULONG ulPartLen,
108    CK_BYTE_PTR pEncryptedPart, CK_ULONG_PTR pulEncryptedPartLen)
109{
110	CK_RV rv;
111	meta_session_t *session;
112
113	rv = meta_handle2session(hSession, &session);
114	if (rv != CKR_OK)
115		return (rv);
116
117	if (pPart == NULL || pulEncryptedPartLen == NULL) {
118		meta_operation_cleanup(session, CKF_ENCRYPT, FALSE);
119		REFRELEASE(session);
120		return (CKR_ARGUMENTS_BAD);
121	}
122
123	rv = meta_do_operation(CKF_ENCRYPT, MODE_UPDATE, session, NULL,
124	    pPart, ulPartLen, pEncryptedPart, pulEncryptedPartLen);
125
126	REFRELEASE(session);
127
128	return (rv);
129}
130
131
132/*
133 * meta_EncryptFinal
134 *
135 */
136CK_RV
137meta_EncryptFinal(CK_SESSION_HANDLE hSession,
138    CK_BYTE_PTR pLastEncryptedPart, CK_ULONG_PTR pulLastEncryptedPartLen)
139{
140	CK_RV rv;
141	meta_session_t *session;
142
143	rv = meta_handle2session(hSession, &session);
144	if (rv != CKR_OK)
145		return (rv);
146
147	if (pulLastEncryptedPartLen == NULL) {
148		meta_operation_cleanup(session, CKF_ENCRYPT, FALSE);
149		REFRELEASE(session);
150		return (CKR_ARGUMENTS_BAD);
151	}
152
153	rv = meta_do_operation(CKF_ENCRYPT, MODE_FINAL, session, NULL,
154	    NULL, 0, pLastEncryptedPart, pulLastEncryptedPartLen);
155
156	REFRELEASE(session);
157
158	return (rv);
159}
160
161
162/*
163 * meta_DecryptInit
164 *
165 */
166CK_RV
167meta_DecryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
168    CK_OBJECT_HANDLE hKey)
169{
170	CK_RV rv;
171	meta_session_t *session;
172	meta_object_t *key;
173
174	if (pMechanism == NULL)
175		return (CKR_ARGUMENTS_BAD);
176
177	rv = meta_handle2session(hSession, &session);
178	if (rv != CKR_OK)
179		return (rv);
180
181	rv = meta_handle2object(hKey, &key);
182	if (rv != CKR_OK) {
183		REFRELEASE(session);
184		return (rv);
185	}
186
187	rv = meta_operation_init_defer(CKF_DECRYPT, session, pMechanism, key);
188
189	OBJRELEASE(key);
190	REFRELEASE(session);
191
192	return (rv);
193}
194
195
196/*
197 * meta_Decrypt
198 *
199 */
200CK_RV
201meta_Decrypt(CK_SESSION_HANDLE hSession,
202    CK_BYTE_PTR pEncryptedData, CK_ULONG ulEncryptedDataLen,
203    CK_BYTE_PTR pData, CK_ULONG_PTR pulDataLen)
204{
205	CK_RV rv;
206	meta_session_t *session;
207
208	rv = meta_handle2session(hSession, &session);
209	if (rv != CKR_OK)
210		return (rv);
211
212	if (pEncryptedData == NULL || pulDataLen == NULL) {
213		meta_operation_cleanup(session, CKF_DECRYPT, FALSE);
214		REFRELEASE(session);
215		return (CKR_ARGUMENTS_BAD);
216	}
217
218	rv = meta_do_operation(CKF_DECRYPT, MODE_SINGLE, session, NULL,
219	    pEncryptedData, ulEncryptedDataLen, pData, pulDataLen);
220
221	REFRELEASE(session);
222
223	return (rv);
224}
225
226
227/*
228 * meta_DecryptUpdate
229 *
230 */
231CK_RV
232meta_DecryptUpdate(CK_SESSION_HANDLE hSession,
233    CK_BYTE_PTR pEncryptedPart, CK_ULONG ulEncryptedPartLen,
234    CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
235{
236	CK_RV rv;
237	meta_session_t *session;
238
239	rv = meta_handle2session(hSession, &session);
240	if (rv != CKR_OK)
241		return (rv);
242
243	if (pEncryptedPart == NULL || pulPartLen == NULL) {
244		meta_operation_cleanup(session, CKF_DECRYPT, FALSE);
245		REFRELEASE(session);
246		return (CKR_ARGUMENTS_BAD);
247	}
248
249	rv = meta_do_operation(CKF_DECRYPT, MODE_UPDATE, session, NULL,
250	    pEncryptedPart, ulEncryptedPartLen, pPart, pulPartLen);
251
252	REFRELEASE(session);
253
254	return (rv);
255}
256
257
258/*
259 * meta_DecryptFinal
260 *
261 */
262CK_RV
263meta_DecryptFinal(CK_SESSION_HANDLE hSession,
264    CK_BYTE_PTR pLastPart, CK_ULONG_PTR pulLastPartLen)
265{
266	CK_RV rv;
267	meta_session_t *session;
268
269	rv = meta_handle2session(hSession, &session);
270	if (rv != CKR_OK)
271		return (rv);
272
273	if (pulLastPartLen == NULL) {
274		meta_operation_cleanup(session, CKF_DECRYPT, FALSE);
275		REFRELEASE(session);
276		return (CKR_ARGUMENTS_BAD);
277	}
278
279	rv = meta_do_operation(CKF_DECRYPT, MODE_FINAL, session, NULL,
280	    NULL, 0, pLastPart, pulLastPartLen);
281
282	REFRELEASE(session);
283
284	return (rv);
285}
286