xref: /illumos-gate/usr/src/lib/pkcs11/pkcs11_softtoken/common/softSlotToken.c (revision e6ae04828f7b4574ab7458d343e5c64e42a25850)
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 /*
23  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2018, Joyent, Inc.
25  */
26 
27 #include <strings.h>
28 #include <cryptoutil.h>
29 #include <security/cryptoki.h>
30 #include <sys/crypto/common.h>
31 #include <arcfour.h>
32 #include "softGlobal.h"
33 #include "softSession.h"
34 #include <aes_impl.h>
35 #include <blowfish_impl.h>
36 #include <des_impl.h>
37 #include <ecc_impl.h>
38 #include "softDH.h"
39 #include "softObject.h"
40 #include "softKeystore.h"
41 #include "softKeystoreUtil.h"
42 
43 
44 static CK_MECHANISM_TYPE soft_mechanisms[] = {
45 	CKM_DES_CBC,
46 	CKM_DES_CBC_PAD,
47 	CKM_DES_ECB,
48 	CKM_DES_KEY_GEN,
49 	CKM_DES_MAC_GENERAL,
50 	CKM_DES_MAC,
51 	CKM_DES3_CBC,
52 	CKM_DES3_CBC_PAD,
53 	CKM_DES3_ECB,
54 	CKM_DES2_KEY_GEN,
55 	CKM_DES3_KEY_GEN,
56 	CKM_AES_CBC,
57 	CKM_AES_CBC_PAD,
58 	CKM_AES_CTR,
59 	CKM_AES_CMAC_GENERAL,
60 	CKM_AES_CMAC,
61 	CKM_AES_ECB,
62 	CKM_AES_KEY_GEN,
63 	CKM_BLOWFISH_CBC,
64 	CKM_BLOWFISH_KEY_GEN,
65 	CKM_SHA_1,
66 	CKM_SHA_1_HMAC,
67 	CKM_SHA_1_HMAC_GENERAL,
68 	CKM_SHA256,
69 	CKM_SHA256_HMAC,
70 	CKM_SHA256_HMAC_GENERAL,
71 	CKM_SHA384,
72 	CKM_SHA384_HMAC,
73 	CKM_SHA384_HMAC_GENERAL,
74 	CKM_SHA512,
75 	CKM_SHA512_HMAC,
76 	CKM_SHA512_HMAC_GENERAL,
77 	CKM_SSL3_SHA1_MAC,
78 	CKM_MD5,
79 	CKM_MD5_HMAC,
80 	CKM_MD5_HMAC_GENERAL,
81 	CKM_SSL3_MD5_MAC,
82 	CKM_RC4,
83 	CKM_RC4_KEY_GEN,
84 	CKM_DSA,
85 	CKM_DSA_SHA1,
86 	CKM_DSA_KEY_PAIR_GEN,
87 	CKM_RSA_PKCS,
88 	CKM_RSA_PKCS_KEY_PAIR_GEN,
89 	CKM_RSA_X_509,
90 	CKM_MD5_RSA_PKCS,
91 	CKM_SHA1_RSA_PKCS,
92 	CKM_SHA256_RSA_PKCS,
93 	CKM_SHA384_RSA_PKCS,
94 	CKM_SHA512_RSA_PKCS,
95 	CKM_DH_PKCS_KEY_PAIR_GEN,
96 	CKM_DH_PKCS_DERIVE,
97 	CKM_MD5_KEY_DERIVATION,
98 	CKM_SHA1_KEY_DERIVATION,
99 	CKM_SHA256_KEY_DERIVATION,
100 	CKM_SHA384_KEY_DERIVATION,
101 	CKM_SHA512_KEY_DERIVATION,
102 	CKM_PBE_SHA1_RC4_128,
103 	CKM_PKCS5_PBKD2,
104 	CKM_SSL3_PRE_MASTER_KEY_GEN,
105 	CKM_TLS_PRE_MASTER_KEY_GEN,
106 	CKM_SSL3_MASTER_KEY_DERIVE,
107 	CKM_TLS_MASTER_KEY_DERIVE,
108 	CKM_SSL3_MASTER_KEY_DERIVE_DH,
109 	CKM_TLS_MASTER_KEY_DERIVE_DH,
110 	CKM_SSL3_KEY_AND_MAC_DERIVE,
111 	CKM_TLS_KEY_AND_MAC_DERIVE,
112 	CKM_TLS_PRF,
113 	CKM_EC_KEY_PAIR_GEN,
114 	CKM_ECDSA,
115 	CKM_ECDSA_SHA1,
116 	CKM_ECDH1_DERIVE
117 };
118 
119 /*
120  * This is the table of CK_MECHANISM_INFO structs for the supported mechanisms.
121  * The index for this table is the same as the one above for the same
122  * mechanism.
123  * The minimum and maximum sizes of the key for the mechanism can be measured
124  * in bits or in bytes (i.e. mechanism-dependent). This table specifies the
125  * supported range of key sizes in bytes; unless noted as in bits.
126  */
127 static CK_MECHANISM_INFO soft_mechanism_info[] = {
128 	{DES_MINBYTES, DES_MAXBYTES,
129 		CKF_ENCRYPT|CKF_DECRYPT|
130 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES_CBC */
131 	{DES_MINBYTES, DES_MAXBYTES,
132 		CKF_ENCRYPT|CKF_DECRYPT|
133 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES_CBC_PAD */
134 	{DES_MINBYTES, DES_MAXBYTES,
135 		CKF_ENCRYPT|CKF_DECRYPT|
136 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES_ECB */
137 	{DES_MINBYTES, DES_MAXBYTES,
138 		CKF_GENERATE},			/* CKM_DES_KEY_GEN */
139 	{DES_MINBYTES, DES_MAXBYTES,
140 		CKF_SIGN|CKF_VERIFY},		/* CKM_DES_MAC_GENERAL */
141 	{DES_MINBYTES, DES_MAXBYTES,
142 		CKF_SIGN|CKF_VERIFY},		/* CKM_DES_MAC */
143 	{DES3_MINBYTES, DES3_MAXBYTES,
144 		CKF_ENCRYPT|CKF_DECRYPT|
145 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES3_CBC */
146 	{DES3_MINBYTES, DES3_MAXBYTES,
147 		CKF_ENCRYPT|CKF_DECRYPT|
148 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES3_CBC_PAD */
149 	{DES3_MINBYTES, DES3_MAXBYTES,
150 		CKF_ENCRYPT|CKF_DECRYPT|
151 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES3_ECB */
152 	{DES2_MAXBYTES, DES2_MAXBYTES,
153 		CKF_GENERATE},			/* CKM_DES2_KEY_GEN */
154 	{DES3_MAXBYTES, DES3_MAXBYTES,		/* CKK_DES3 only */
155 		CKF_GENERATE},			/* CKM_DES3_KEY_GEN */
156 	{AES_MINBYTES, AES_MAXBYTES,
157 		CKF_ENCRYPT|CKF_DECRYPT|
158 		CKF_WRAP|CKF_UNWRAP},		/* CKM_AES_CBC */
159 	{AES_MINBYTES, AES_MAXBYTES,
160 		CKF_ENCRYPT|CKF_DECRYPT|
161 		CKF_WRAP|CKF_UNWRAP},		/* CKM_AES_CBC_PAD */
162 	{AES_MINBYTES, AES_MAXBYTES,
163 		CKF_ENCRYPT|CKF_DECRYPT|
164 		CKF_WRAP|CKF_UNWRAP},		/* CKM_AES_CTR */
165 	{AES_MINBYTES, AES_MAXBYTES,
166 		CKF_SIGN|CKF_VERIFY},		/* CKM_AES_CMAC_GENERAL */
167 	{AES_MINBYTES, AES_MAXBYTES,
168 		CKF_SIGN|CKF_VERIFY},		/* CKM_AES_CMAC */
169 	{AES_MINBYTES, AES_MAXBYTES,
170 		CKF_ENCRYPT|CKF_DECRYPT|
171 		CKF_WRAP|CKF_UNWRAP},		/* CKM_AES_ECB */
172 	{AES_MINBYTES, AES_MAXBYTES,
173 		CKF_GENERATE},			/* CKM_AES_KEY_GEN */
174 	{BLOWFISH_MINBYTES, BLOWFISH_MAXBYTES,
175 		CKF_ENCRYPT|CKF_DECRYPT|
176 		CKF_WRAP|CKF_UNWRAP},		/* CKM_BLOWFISH_ECB */
177 	{BLOWFISH_MINBYTES, BLOWFISH_MAXBYTES,
178 		CKF_GENERATE},			/* CKM_BLOWFISH_KEY_GEN */
179 	{0, 0, CKF_DIGEST},			/* CKM_SHA_1 */
180 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA_1_HMAC */
181 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA_1_HMAC_GENERAL */
182 	{0, 0, CKF_DIGEST},			/* CKM_SHA256 */
183 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA256_HMAC */
184 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA256_HMAC_GENERAL */
185 	{0, 0, CKF_DIGEST},			/* CKM_SHA384 */
186 	{1, 128, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA384_HMAC */
187 	{1, 128, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA384_HMAC_GENERAL */
188 	{0, 0, CKF_DIGEST},			/* CKM_SHA512 */
189 	{1, 128, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA512_HMAC */
190 	{1, 128, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA512_HMAC_GENERAL */
191 	{1, 512, CKF_SIGN|CKF_VERIFY},		/* CKM_SSL3_SHA1_MAC */
192 	{0, 0, CKF_DIGEST},			/* CKM_MD5 */
193 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_MD5_HMAC */
194 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_MD5_HMAC_GENERAL */
195 	{1, 512, CKF_SIGN|CKF_VERIFY},		/* CKM_SSL3_MD5_MAC */
196 	{8, ARCFOUR_MAX_KEY_BITS, CKF_ENCRYPT|CKF_DECRYPT}, /* CKM_RC4; */
197 							    /* in bits  */
198 	{8, ARCFOUR_MAX_KEY_BITS, CKF_GENERATE }, /* CKM_RC4_KEY_GEN; in bits */
199 	{512, 1024, CKF_SIGN|CKF_VERIFY},	/* CKM_DSA; in bits */
200 	{512, 1024, CKF_SIGN|CKF_VERIFY},	/* CKM_DSA_SHA1; in bits */
201 	{512, 1024, CKF_GENERATE_KEY_PAIR},	/* CKM_DSA_KEY_PAIR_GEN; */
202 						/* in bits */
203 	{256, 4096, CKF_ENCRYPT|CKF_DECRYPT|
204 		CKF_SIGN|CKF_SIGN_RECOVER|
205 		CKF_WRAP|CKF_UNWRAP|
206 		CKF_VERIFY|CKF_VERIFY_RECOVER},	/* CKM_RSA_PKCS; in bits */
207 	{256, 4096, CKF_GENERATE_KEY_PAIR},	/* CKM_RSA_PKCS_KEY_PAIR_GEN; */
208 						/* in bits */
209 	{256, 4096, CKF_ENCRYPT|CKF_DECRYPT|
210 		CKF_SIGN|CKF_SIGN_RECOVER|
211 		CKF_WRAP|CKF_UNWRAP|
212 		CKF_VERIFY|CKF_VERIFY_RECOVER},	/* CKM_RSA_X_509 in bits */
213 	{256, 4096, CKF_SIGN|CKF_VERIFY},	/* CKM_MD5_RSA_PKCS in bits */
214 	{256, 4096, CKF_SIGN|CKF_VERIFY},	/* CKM_SHA1_RSA_PKCS in bits */
215 	{256, 4096, CKF_SIGN|CKF_VERIFY}, /* CKM_SHA256_RSA_PKCS in bits */
216 	{256, 4096, CKF_SIGN|CKF_VERIFY}, /* CKM_SHA384_RSA_PKCS in bits */
217 	{256, 4096, CKF_SIGN|CKF_VERIFY}, /* CKM_SHA512_RSA_PKCS in bits */
218 	{DH_MIN_KEY_LEN, DH_MAX_KEY_LEN, CKF_GENERATE_KEY_PAIR},
219 						/* CKM_DH_PKCS_KEY_PAIR_GEN */
220 						/* in bits */
221 	{DH_MIN_KEY_LEN, DH_MAX_KEY_LEN, CKF_DERIVE},
222 						/* CKM_DH_PKCS_DERIVE; */
223 						/* in bits */
224 	{1, 16, CKF_DERIVE},			/* CKM_MD5_KEY_DERIVATION */
225 	{1, 20, CKF_DERIVE},			/* CKM_SHA1_KEY_DERIVATION */
226 	{1, 32, CKF_DERIVE},			/* CKM_SHA256_KEY_DERIVATION */
227 	{1, 48, CKF_DERIVE},			/* CKM_SHA384_KEY_DERIVATION */
228 	{1, 64, CKF_DERIVE},			/* CKM_SHA512_KEY_DERIVATION */
229 	{0, 0, CKF_GENERATE},			/* CKM_PBE_SHA1_RC4_128 */
230 	{0, 0, CKF_GENERATE},			/* CKM_PKCS5_PBKD2 */
231 	{48, 48, CKF_GENERATE},		/* CKM_SSL3_PRE_MASTER_KEY_GEN */
232 	{48, 48, CKF_GENERATE},		/* CKM_TLS_PRE_MASTER_KEY_GEN */
233 	{48, 48, CKF_DERIVE},		/* CKM_SSL3_MASTER_KEY_DERIVE */
234 	{48, 48, CKF_DERIVE},		/* CKM_TLS_MASTER_KEY_DERIVE */
235 	{48, 48, CKF_DERIVE},		/* CKM_SSL3_MASTER_KEY_DERIVE_DH */
236 	{48, 48, CKF_DERIVE},		/* CKM_TLS_MASTER_KEY_DERIVE_DH */
237 	{0, 0, CKF_DERIVE},		/* CKM_SSL3_KEY_AND_MAC_DERIVE */
238 	{0, 0, CKF_DERIVE},		/* CKM_TLS_KEY_AND_MAC_DERIVE */
239 	{0, 0, CKF_DERIVE},		/* CKM_TLS_PRF */
240 	{EC_MIN_KEY_LEN, EC_MAX_KEY_LEN, CKF_GENERATE_KEY_PAIR},
241 	{EC_MIN_KEY_LEN, EC_MAX_KEY_LEN, CKF_SIGN|CKF_VERIFY},
242 	{EC_MIN_KEY_LEN, EC_MAX_KEY_LEN, CKF_SIGN|CKF_VERIFY},
243 	{EC_MIN_KEY_LEN, EC_MAX_KEY_LEN, CKF_DERIVE}
244 };
245 
246 /*
247  * Slot ID for softtoken is always 1. tokenPresent is ignored.
248  * Also, only one slot is used.
249  */
250 /*ARGSUSED*/
251 CK_RV
252 C_GetSlotList(CK_BBOOL tokenPresent, CK_SLOT_ID_PTR pSlotList,
253     CK_ULONG_PTR pulCount)
254 {
255 
256 	CK_RV rv;
257 
258 	if (!softtoken_initialized)
259 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
260 
261 	if (pulCount == NULL) {
262 		return (CKR_ARGUMENTS_BAD);
263 	}
264 
265 	if (pSlotList == NULL) {
266 		/*
267 		 * Application only wants to know the number of slots.
268 		 */
269 		*pulCount = 1;
270 		return (CKR_OK);
271 	}
272 
273 	if ((*pulCount < 1) && (pSlotList != NULL)) {
274 		rv = CKR_BUFFER_TOO_SMALL;
275 	} else {
276 		pSlotList[0] = SOFTTOKEN_SLOTID;
277 		rv = CKR_OK;
278 	}
279 
280 	*pulCount = 1;
281 	return (rv);
282 }
283 
284 
285 CK_RV
286 C_GetSlotInfo(CK_SLOT_ID slotID, CK_SLOT_INFO_PTR pInfo)
287 {
288 
289 	if (!softtoken_initialized)
290 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
291 
292 	if (pInfo == NULL)
293 		return (CKR_ARGUMENTS_BAD);
294 
295 	/* Make sure the slot ID is valid */
296 	if (slotID != SOFTTOKEN_SLOTID)
297 		return (CKR_SLOT_ID_INVALID);
298 
299 	/* Provide information about the slot in the provided buffer */
300 	(void) strncpy((char *)pInfo->slotDescription, SOFT_SLOT_DESCRIPTION,
301 	    64);
302 	(void) strncpy((char *)pInfo->manufacturerID, SOFT_MANUFACTURER_ID, 32);
303 	pInfo->flags = CKF_TOKEN_PRESENT;
304 	pInfo->hardwareVersion.major = HARDWARE_VERSION_MAJOR;
305 	pInfo->hardwareVersion.minor = HARDWARE_VERSION_MINOR;
306 	pInfo->firmwareVersion.major = FIRMWARE_VERSION_MAJOR;
307 	pInfo->firmwareVersion.minor = FIRMWARE_VERSION_MINOR;
308 
309 	return (CKR_OK);
310 }
311 
312 CK_RV
313 C_GetTokenInfo(CK_SLOT_ID slotID, CK_TOKEN_INFO_PTR pInfo)
314 {
315 	boolean_t pin_initialized = B_FALSE;
316 	char	*ks_cryptpin = NULL;
317 
318 	if (!softtoken_initialized)
319 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
320 
321 	/* Make sure the slot ID is valid */
322 	if (slotID != SOFTTOKEN_SLOTID)
323 		return (CKR_SLOT_ID_INVALID);
324 
325 	if (pInfo == NULL)
326 		return (CKR_ARGUMENTS_BAD);
327 
328 	/*
329 	 * It is intentional that we don't forward the error code
330 	 * returned from soft_keystore_pin_initialized() to the caller
331 	 */
332 	pInfo->flags = SOFT_TOKEN_FLAGS;
333 	if (soft_slot.keystore_load_status == KEYSTORE_UNAVAILABLE) {
334 		pInfo->flags |= CKF_WRITE_PROTECTED;
335 	} else {
336 		if ((soft_keystore_pin_initialized(&pin_initialized,
337 		    &ks_cryptpin, B_FALSE) == CKR_OK) && !pin_initialized)
338 			pInfo->flags |= CKF_USER_PIN_TO_BE_CHANGED;
339 	}
340 
341 	if (ks_cryptpin != NULL) {
342 		size_t cplen = strlen(ks_cryptpin) + 1;
343 
344 		freezero(ks_cryptpin, cplen);
345 	}
346 
347 	/* Provide information about a token in the provided buffer */
348 	(void) strncpy((char *)pInfo->label, SOFT_TOKEN_LABEL, 32);
349 	(void) strncpy((char *)pInfo->manufacturerID, SOFT_MANUFACTURER_ID, 32);
350 	(void) strncpy((char *)pInfo->model, TOKEN_MODEL, 16);
351 	(void) strncpy((char *)pInfo->serialNumber, SOFT_TOKEN_SERIAL, 16);
352 
353 	pInfo->ulMaxSessionCount = CK_EFFECTIVELY_INFINITE;
354 	pInfo->ulSessionCount = soft_session_cnt;
355 	pInfo->ulMaxRwSessionCount = CK_EFFECTIVELY_INFINITE;
356 	pInfo->ulRwSessionCount = soft_session_rw_cnt;
357 	pInfo->ulMaxPinLen = MAX_PIN_LEN;
358 	pInfo->ulMinPinLen = MIN_PIN_LEN;
359 	pInfo->ulTotalPublicMemory = CK_UNAVAILABLE_INFORMATION;
360 	pInfo->ulFreePublicMemory = CK_UNAVAILABLE_INFORMATION;
361 	pInfo->ulTotalPrivateMemory = CK_UNAVAILABLE_INFORMATION;
362 	pInfo->ulFreePrivateMemory = CK_UNAVAILABLE_INFORMATION;
363 	pInfo->hardwareVersion.major = HARDWARE_VERSION_MAJOR;
364 	pInfo->hardwareVersion.minor = HARDWARE_VERSION_MINOR;
365 	pInfo->firmwareVersion.major = FIRMWARE_VERSION_MAJOR;
366 	pInfo->firmwareVersion.minor = FIRMWARE_VERSION_MINOR;
367 	(void) memset(pInfo->utcTime, ' ', 16);
368 
369 	return (CKR_OK);
370 }
371 
372 /*ARGSUSED*/
373 CK_RV
374 C_WaitForSlotEvent(CK_FLAGS flags, CK_SLOT_ID_PTR pSlot, CK_VOID_PTR pReserved)
375 {
376 	if (!softtoken_initialized)
377 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
378 
379 	/*
380 	 * This is currently not implemented, however we could cause this
381 	 * to wait for the token files to appear if soft_token_present is
382 	 * false.
383 	 * However there is currently no polite and portable way to do that
384 	 * because we might not even be able to get to an fd to the
385 	 * parent directory, so instead we don't support any slot events.
386 	 */
387 	return (CKR_FUNCTION_NOT_SUPPORTED);
388 }
389 
390 
391 CK_RV
392 C_GetMechanismList(CK_SLOT_ID slotID, CK_MECHANISM_TYPE_PTR pMechanismList,
393     CK_ULONG_PTR pulCount)
394 {
395 
396 	ulong_t i;
397 	ulong_t mechnum;
398 
399 	if (!softtoken_initialized)
400 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
401 
402 	if (slotID != SOFTTOKEN_SLOTID)
403 		return (CKR_SLOT_ID_INVALID);
404 
405 	mechnum = sizeof (soft_mechanisms) / sizeof (CK_MECHANISM_TYPE);
406 
407 	if (pMechanismList == NULL) {
408 		/*
409 		 * Application only wants to know the number of
410 		 * supported mechanism types.
411 		 */
412 		*pulCount = mechnum;
413 		return (CKR_OK);
414 	}
415 
416 	if (*pulCount < mechnum) {
417 		*pulCount = mechnum;
418 		return (CKR_BUFFER_TOO_SMALL);
419 	}
420 
421 	for (i = 0; i < mechnum; i++) {
422 		pMechanismList[i] = soft_mechanisms[i];
423 	}
424 
425 	*pulCount = mechnum;
426 
427 	return (CKR_OK);
428 }
429 
430 
431 CK_RV
432 C_GetMechanismInfo(CK_SLOT_ID slotID, CK_MECHANISM_TYPE type,
433     CK_MECHANISM_INFO_PTR pInfo)
434 {
435 
436 	ulong_t i;
437 	ulong_t mechnum;
438 
439 	if (!softtoken_initialized)
440 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
441 
442 	if (slotID != SOFTTOKEN_SLOTID)
443 		return (CKR_SLOT_ID_INVALID);
444 
445 	if (pInfo == NULL) {
446 		return (CKR_ARGUMENTS_BAD);
447 	}
448 
449 	mechnum = sizeof (soft_mechanisms) / sizeof (CK_MECHANISM_TYPE);
450 	for (i = 0; i < mechnum; i++) {
451 		if (soft_mechanisms[i] == type)
452 			break;
453 	}
454 
455 	if (i == mechnum)
456 		/* unsupported mechanism */
457 		return (CKR_MECHANISM_INVALID);
458 
459 	pInfo->ulMinKeySize = soft_mechanism_info[i].ulMinKeySize;
460 	pInfo->ulMaxKeySize = soft_mechanism_info[i].ulMaxKeySize;
461 	pInfo->flags = soft_mechanism_info[i].flags;
462 
463 	return (CKR_OK);
464 }
465 
466 
467 /*ARGSUSED*/
468 CK_RV
469 C_InitToken(CK_SLOT_ID slotID, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen,
470     CK_UTF8CHAR_PTR pLabel)
471 {
472 	if (!softtoken_initialized)
473 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
474 
475 	if (create_keystore() != 0)
476 		return (CKR_FUNCTION_FAILED);
477 
478 	return (CKR_OK);
479 }
480 
481 /*ARGSUSED*/
482 CK_RV
483 C_InitPIN(CK_SESSION_HANDLE hSession, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen)
484 {
485 	if (!softtoken_initialized)
486 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
487 
488 	return (CKR_FUNCTION_NOT_SUPPORTED);
489 }
490 
491 
492 CK_RV
493 C_SetPIN(CK_SESSION_HANDLE hSession, CK_UTF8CHAR_PTR pOldPin,
494     CK_ULONG ulOldPinLen, CK_UTF8CHAR_PTR pNewPin, CK_ULONG ulNewPinLen)
495 {
496 
497 	soft_session_t *session_p;
498 	CK_RV rv;
499 	boolean_t lock_held = B_FALSE;
500 
501 	if (!softtoken_initialized)
502 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
503 
504 	/*
505 	 * Obtain the session pointer. Also, increment the session
506 	 * reference count.
507 	 */
508 	rv = handle2session(hSession, &session_p);
509 	if (rv != CKR_OK)
510 		return (rv);
511 
512 	if (!soft_keystore_status(KEYSTORE_LOAD)) {
513 		SES_REFRELE(session_p, lock_held);
514 		return (CKR_DEVICE_REMOVED);
515 	}
516 
517 	if ((ulOldPinLen < MIN_PIN_LEN) || (ulOldPinLen > MAX_PIN_LEN) ||
518 	    (ulNewPinLen < MIN_PIN_LEN) ||(ulNewPinLen > MAX_PIN_LEN)) {
519 		SES_REFRELE(session_p, lock_held);
520 		return (CKR_PIN_LEN_RANGE);
521 	}
522 
523 	if ((pOldPin == NULL_PTR) || (pNewPin == NULL_PTR)) {
524 		/*
525 		 * We don't support CKF_PROTECTED_AUTHENTICATION_PATH
526 		 */
527 		SES_REFRELE(session_p, lock_held);
528 		return (CKR_ARGUMENTS_BAD);
529 	}
530 
531 	/* check the state of the session */
532 	if ((session_p->state != CKS_RW_PUBLIC_SESSION) &&
533 	    (session_p->state != CKS_RW_USER_FUNCTIONS)) {
534 		SES_REFRELE(session_p, lock_held);
535 		return (CKR_SESSION_READ_ONLY);
536 	}
537 
538 	rv = soft_setpin(pOldPin, ulOldPinLen, pNewPin, ulNewPinLen);
539 
540 	SES_REFRELE(session_p, lock_held);
541 	return (rv);
542 }
543