xref: /illumos-gate/usr/src/lib/pkcs11/pkcs11_softtoken/common/softSlotToken.c (revision 4c28a617e3922d92a58e813a5b955eb526b9c386)
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  */
25 
26 #include <strings.h>
27 #include <cryptoutil.h>
28 #include <security/cryptoki.h>
29 #include <sys/crypto/common.h>
30 #include <arcfour.h>
31 #include "softGlobal.h"
32 #include "softSession.h"
33 #include <aes_impl.h>
34 #include <blowfish_impl.h>
35 #include <des_impl.h>
36 #include <ecc_impl.h>
37 #include "softDH.h"
38 #include "softObject.h"
39 #include "softKeystore.h"
40 #include "softKeystoreUtil.h"
41 
42 
43 static CK_MECHANISM_TYPE soft_mechanisms[] = {
44 	CKM_DES_CBC,
45 	CKM_DES_CBC_PAD,
46 	CKM_DES_ECB,
47 	CKM_DES_KEY_GEN,
48 	CKM_DES_MAC_GENERAL,
49 	CKM_DES_MAC,
50 	CKM_DES3_CBC,
51 	CKM_DES3_CBC_PAD,
52 	CKM_DES3_ECB,
53 	CKM_DES2_KEY_GEN,
54 	CKM_DES3_KEY_GEN,
55 	CKM_AES_CBC,
56 	CKM_AES_CBC_PAD,
57 	CKM_AES_CTR,
58 	CKM_AES_CMAC_GENERAL,
59 	CKM_AES_CMAC,
60 	CKM_AES_ECB,
61 	CKM_AES_KEY_GEN,
62 	CKM_BLOWFISH_CBC,
63 	CKM_BLOWFISH_KEY_GEN,
64 	CKM_SHA_1,
65 	CKM_SHA_1_HMAC,
66 	CKM_SHA_1_HMAC_GENERAL,
67 	CKM_SHA256,
68 	CKM_SHA256_HMAC,
69 	CKM_SHA256_HMAC_GENERAL,
70 	CKM_SHA384,
71 	CKM_SHA384_HMAC,
72 	CKM_SHA384_HMAC_GENERAL,
73 	CKM_SHA512,
74 	CKM_SHA512_HMAC,
75 	CKM_SHA512_HMAC_GENERAL,
76 	CKM_SSL3_SHA1_MAC,
77 	CKM_MD5,
78 	CKM_MD5_HMAC,
79 	CKM_MD5_HMAC_GENERAL,
80 	CKM_SSL3_MD5_MAC,
81 	CKM_RC4,
82 	CKM_RC4_KEY_GEN,
83 	CKM_DSA,
84 	CKM_DSA_SHA1,
85 	CKM_DSA_KEY_PAIR_GEN,
86 	CKM_RSA_PKCS,
87 	CKM_RSA_PKCS_KEY_PAIR_GEN,
88 	CKM_RSA_X_509,
89 	CKM_MD5_RSA_PKCS,
90 	CKM_SHA1_RSA_PKCS,
91 	CKM_SHA256_RSA_PKCS,
92 	CKM_SHA384_RSA_PKCS,
93 	CKM_SHA512_RSA_PKCS,
94 	CKM_DH_PKCS_KEY_PAIR_GEN,
95 	CKM_DH_PKCS_DERIVE,
96 	CKM_MD5_KEY_DERIVATION,
97 	CKM_SHA1_KEY_DERIVATION,
98 	CKM_SHA256_KEY_DERIVATION,
99 	CKM_SHA384_KEY_DERIVATION,
100 	CKM_SHA512_KEY_DERIVATION,
101 	CKM_PBE_SHA1_RC4_128,
102 	CKM_PKCS5_PBKD2,
103 	CKM_SSL3_PRE_MASTER_KEY_GEN,
104 	CKM_TLS_PRE_MASTER_KEY_GEN,
105 	CKM_SSL3_MASTER_KEY_DERIVE,
106 	CKM_TLS_MASTER_KEY_DERIVE,
107 	CKM_SSL3_MASTER_KEY_DERIVE_DH,
108 	CKM_TLS_MASTER_KEY_DERIVE_DH,
109 	CKM_SSL3_KEY_AND_MAC_DERIVE,
110 	CKM_TLS_KEY_AND_MAC_DERIVE,
111 	CKM_TLS_PRF,
112 	CKM_EC_KEY_PAIR_GEN,
113 	CKM_ECDSA,
114 	CKM_ECDSA_SHA1,
115 	CKM_ECDH1_DERIVE
116 };
117 
118 /*
119  * This is the table of CK_MECHANISM_INFO structs for the supported mechanisms.
120  * The index for this table is the same as the one above for the same
121  * mechanism.
122  * The minimum and maximum sizes of the key for the mechanism can be measured
123  * in bits or in bytes (i.e. mechanism-dependent). This table specifies the
124  * supported range of key sizes in bytes; unless noted as in bits.
125  */
126 static CK_MECHANISM_INFO soft_mechanism_info[] = {
127 	{DES_MINBYTES, DES_MAXBYTES,
128 		CKF_ENCRYPT|CKF_DECRYPT|
129 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES_CBC */
130 	{DES_MINBYTES, DES_MAXBYTES,
131 		CKF_ENCRYPT|CKF_DECRYPT|
132 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES_CBC_PAD */
133 	{DES_MINBYTES, DES_MAXBYTES,
134 		CKF_ENCRYPT|CKF_DECRYPT|
135 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES_ECB */
136 	{DES_MINBYTES, DES_MAXBYTES,
137 		CKF_GENERATE},			/* CKM_DES_KEY_GEN */
138 	{DES_MINBYTES, DES_MAXBYTES,
139 		CKF_SIGN|CKF_VERIFY},		/* CKM_DES_MAC_GENERAL */
140 	{DES_MINBYTES, DES_MAXBYTES,
141 		CKF_SIGN|CKF_VERIFY},		/* CKM_DES_MAC */
142 	{DES3_MINBYTES, DES3_MAXBYTES,
143 		CKF_ENCRYPT|CKF_DECRYPT|
144 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES3_CBC */
145 	{DES3_MINBYTES, DES3_MAXBYTES,
146 		CKF_ENCRYPT|CKF_DECRYPT|
147 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES3_CBC_PAD */
148 	{DES3_MINBYTES, DES3_MAXBYTES,
149 		CKF_ENCRYPT|CKF_DECRYPT|
150 		CKF_WRAP|CKF_UNWRAP},		/* CKM_DES3_ECB */
151 	{DES2_MAXBYTES, DES2_MAXBYTES,
152 		CKF_GENERATE},			/* CKM_DES2_KEY_GEN */
153 	{DES3_MAXBYTES, DES3_MAXBYTES,		/* CKK_DES3 only */
154 		CKF_GENERATE},			/* CKM_DES3_KEY_GEN */
155 	{AES_MINBYTES, AES_MAXBYTES,
156 		CKF_ENCRYPT|CKF_DECRYPT|
157 		CKF_WRAP|CKF_UNWRAP},		/* CKM_AES_CBC */
158 	{AES_MINBYTES, AES_MAXBYTES,
159 		CKF_ENCRYPT|CKF_DECRYPT|
160 		CKF_WRAP|CKF_UNWRAP},		/* CKM_AES_CBC_PAD */
161 	{AES_MINBYTES, AES_MAXBYTES,
162 		CKF_ENCRYPT|CKF_DECRYPT|
163 		CKF_WRAP|CKF_UNWRAP},		/* CKM_AES_CTR */
164 	{AES_MINBYTES, AES_MAXBYTES,
165 		CKF_SIGN|CKF_VERIFY},		/* CKM_AES_CMAC_GENERAL */
166 	{AES_MINBYTES, AES_MAXBYTES,
167 		CKF_SIGN|CKF_VERIFY},		/* CKM_AES_CMAC */
168 	{AES_MINBYTES, AES_MAXBYTES,
169 		CKF_ENCRYPT|CKF_DECRYPT|
170 		CKF_WRAP|CKF_UNWRAP},		/* CKM_AES_ECB */
171 	{AES_MINBYTES, AES_MAXBYTES,
172 		CKF_GENERATE},			/* CKM_AES_KEY_GEN */
173 	{BLOWFISH_MINBYTES, BLOWFISH_MAXBYTES,
174 		CKF_ENCRYPT|CKF_DECRYPT|
175 		CKF_WRAP|CKF_UNWRAP},		/* CKM_BLOWFISH_ECB */
176 	{BLOWFISH_MINBYTES, BLOWFISH_MAXBYTES,
177 		CKF_GENERATE},			/* CKM_BLOWFISH_KEY_GEN */
178 	{0, 0, CKF_DIGEST},			/* CKM_SHA_1 */
179 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA_1_HMAC */
180 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA_1_HMAC_GENERAL */
181 	{0, 0, CKF_DIGEST},			/* CKM_SHA256 */
182 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA256_HMAC */
183 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA256_HMAC_GENERAL */
184 	{0, 0, CKF_DIGEST},			/* CKM_SHA384 */
185 	{1, 128, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA384_HMAC */
186 	{1, 128, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA384_HMAC_GENERAL */
187 	{0, 0, CKF_DIGEST},			/* CKM_SHA512 */
188 	{1, 128, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA512_HMAC */
189 	{1, 128, CKF_SIGN|CKF_VERIFY},		/* CKM_SHA512_HMAC_GENERAL */
190 	{1, 512, CKF_SIGN|CKF_VERIFY},		/* CKM_SSL3_SHA1_MAC */
191 	{0, 0, CKF_DIGEST},			/* CKM_MD5 */
192 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_MD5_HMAC */
193 	{1, 64, CKF_SIGN|CKF_VERIFY},		/* CKM_MD5_HMAC_GENERAL */
194 	{1, 512, CKF_SIGN|CKF_VERIFY},		/* CKM_SSL3_MD5_MAC */
195 	{8, ARCFOUR_MAX_KEY_BITS, CKF_ENCRYPT|CKF_DECRYPT}, /* CKM_RC4; */
196 							    /* in bits  */
197 	{8, ARCFOUR_MAX_KEY_BITS, CKF_GENERATE }, /* CKM_RC4_KEY_GEN; in bits */
198 	{512, 1024, CKF_SIGN|CKF_VERIFY},	/* CKM_DSA; in bits */
199 	{512, 1024, CKF_SIGN|CKF_VERIFY},	/* CKM_DSA_SHA1; in bits */
200 	{512, 1024, CKF_GENERATE_KEY_PAIR},	/* CKM_DSA_KEY_PAIR_GEN; */
201 						/* in bits */
202 	{256, 4096, CKF_ENCRYPT|CKF_DECRYPT|
203 		CKF_SIGN|CKF_SIGN_RECOVER|
204 		CKF_WRAP|CKF_UNWRAP|
205 		CKF_VERIFY|CKF_VERIFY_RECOVER},	/* CKM_RSA_PKCS; in bits */
206 	{256, 4096, CKF_GENERATE_KEY_PAIR},	/* CKM_RSA_PKCS_KEY_PAIR_GEN; */
207 						/* in bits */
208 	{256, 4096, CKF_ENCRYPT|CKF_DECRYPT|
209 		CKF_SIGN|CKF_SIGN_RECOVER|
210 		CKF_WRAP|CKF_UNWRAP|
211 		CKF_VERIFY|CKF_VERIFY_RECOVER},	/* CKM_RSA_X_509 in bits */
212 	{256, 4096, CKF_SIGN|CKF_VERIFY},	/* CKM_MD5_RSA_PKCS in bits */
213 	{256, 4096, CKF_SIGN|CKF_VERIFY},	/* CKM_SHA1_RSA_PKCS in bits */
214 	{256, 4096, CKF_SIGN|CKF_VERIFY}, /* CKM_SHA256_RSA_PKCS in bits */
215 	{256, 4096, CKF_SIGN|CKF_VERIFY}, /* CKM_SHA384_RSA_PKCS in bits */
216 	{256, 4096, CKF_SIGN|CKF_VERIFY}, /* CKM_SHA512_RSA_PKCS in bits */
217 	{DH_MIN_KEY_LEN, DH_MAX_KEY_LEN, CKF_GENERATE_KEY_PAIR},
218 						/* CKM_DH_PKCS_KEY_PAIR_GEN */
219 						/* in bits */
220 	{DH_MIN_KEY_LEN, DH_MAX_KEY_LEN, CKF_DERIVE},
221 						/* CKM_DH_PKCS_DERIVE; */
222 						/* in bits */
223 	{1, 16, CKF_DERIVE},			/* CKM_MD5_KEY_DERIVATION */
224 	{1, 20, CKF_DERIVE},			/* CKM_SHA1_KEY_DERIVATION */
225 	{1, 32, CKF_DERIVE},			/* CKM_SHA256_KEY_DERIVATION */
226 	{1, 48, CKF_DERIVE},			/* CKM_SHA384_KEY_DERIVATION */
227 	{1, 64, CKF_DERIVE},			/* CKM_SHA512_KEY_DERIVATION */
228 	{0, 0, CKF_GENERATE},			/* CKM_PBE_SHA1_RC4_128 */
229 	{0, 0, CKF_GENERATE},			/* CKM_PKCS5_PBKD2 */
230 	{48, 48, CKF_GENERATE},		/* CKM_SSL3_PRE_MASTER_KEY_GEN */
231 	{48, 48, CKF_GENERATE},		/* CKM_TLS_PRE_MASTER_KEY_GEN */
232 	{48, 48, CKF_DERIVE},		/* CKM_SSL3_MASTER_KEY_DERIVE */
233 	{48, 48, CKF_DERIVE},		/* CKM_TLS_MASTER_KEY_DERIVE */
234 	{48, 48, CKF_DERIVE},		/* CKM_SSL3_MASTER_KEY_DERIVE_DH */
235 	{48, 48, CKF_DERIVE},		/* CKM_TLS_MASTER_KEY_DERIVE_DH */
236 	{0, 0, CKF_DERIVE},		/* CKM_SSL3_KEY_AND_MAC_DERIVE */
237 	{0, 0, CKF_DERIVE},		/* CKM_TLS_KEY_AND_MAC_DERIVE */
238 	{0, 0, CKF_DERIVE},		/* CKM_TLS_PRF */
239 	{EC_MIN_KEY_LEN, EC_MAX_KEY_LEN, CKF_GENERATE_KEY_PAIR},
240 	{EC_MIN_KEY_LEN, EC_MAX_KEY_LEN, CKF_SIGN|CKF_VERIFY},
241 	{EC_MIN_KEY_LEN, EC_MAX_KEY_LEN, CKF_SIGN|CKF_VERIFY},
242 	{EC_MIN_KEY_LEN, EC_MAX_KEY_LEN, CKF_DERIVE}
243 };
244 
245 /*
246  * Slot ID for softtoken is always 1. tokenPresent is ignored.
247  * Also, only one slot is used.
248  */
249 /*ARGSUSED*/
250 CK_RV
251 C_GetSlotList(CK_BBOOL tokenPresent, CK_SLOT_ID_PTR pSlotList,
252     CK_ULONG_PTR pulCount)
253 {
254 
255 	CK_RV rv;
256 
257 	if (!softtoken_initialized)
258 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
259 
260 	if (pulCount == NULL) {
261 		return (CKR_ARGUMENTS_BAD);
262 	}
263 
264 	if (pSlotList == NULL) {
265 		/*
266 		 * Application only wants to know the number of slots.
267 		 */
268 		*pulCount = 1;
269 		return (CKR_OK);
270 	}
271 
272 	if ((*pulCount < 1) && (pSlotList != NULL)) {
273 		rv = CKR_BUFFER_TOO_SMALL;
274 	} else {
275 		pSlotList[0] = SOFTTOKEN_SLOTID;
276 		rv = CKR_OK;
277 	}
278 
279 	*pulCount = 1;
280 	return (rv);
281 }
282 
283 
284 CK_RV
285 C_GetSlotInfo(CK_SLOT_ID slotID, CK_SLOT_INFO_PTR pInfo)
286 {
287 
288 	if (!softtoken_initialized)
289 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
290 
291 	if (pInfo == NULL)
292 		return (CKR_ARGUMENTS_BAD);
293 
294 	/* Make sure the slot ID is valid */
295 	if (slotID != SOFTTOKEN_SLOTID)
296 		return (CKR_SLOT_ID_INVALID);
297 
298 	/* Provide information about the slot in the provided buffer */
299 	(void) strncpy((char *)pInfo->slotDescription, SOFT_SLOT_DESCRIPTION,
300 	    64);
301 	(void) strncpy((char *)pInfo->manufacturerID, SOFT_MANUFACTURER_ID, 32);
302 	pInfo->flags = CKF_TOKEN_PRESENT;
303 	pInfo->hardwareVersion.major = HARDWARE_VERSION_MAJOR;
304 	pInfo->hardwareVersion.minor = HARDWARE_VERSION_MINOR;
305 	pInfo->firmwareVersion.major = FIRMWARE_VERSION_MAJOR;
306 	pInfo->firmwareVersion.minor = FIRMWARE_VERSION_MINOR;
307 
308 	return (CKR_OK);
309 }
310 
311 CK_RV
312 C_GetTokenInfo(CK_SLOT_ID slotID, CK_TOKEN_INFO_PTR pInfo)
313 {
314 	boolean_t pin_initialized = B_FALSE;
315 	char	*ks_cryptpin = NULL;
316 
317 	if (!softtoken_initialized)
318 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
319 
320 	/* Make sure the slot ID is valid */
321 	if (slotID != SOFTTOKEN_SLOTID)
322 		return (CKR_SLOT_ID_INVALID);
323 
324 	if (pInfo == NULL)
325 		return (CKR_ARGUMENTS_BAD);
326 
327 	/*
328 	 * It is intentional that we don't forward the error code
329 	 * returned from soft_keystore_pin_initialized() to the caller
330 	 */
331 	pInfo->flags = SOFT_TOKEN_FLAGS;
332 	if (soft_slot.keystore_load_status == KEYSTORE_UNAVAILABLE) {
333 		pInfo->flags |= CKF_WRITE_PROTECTED;
334 	} else {
335 		if ((soft_keystore_pin_initialized(&pin_initialized,
336 		    &ks_cryptpin, B_FALSE) == CKR_OK) && !pin_initialized)
337 			pInfo->flags |= CKF_USER_PIN_TO_BE_CHANGED;
338 	}
339 
340 	if (ks_cryptpin)
341 		free(ks_cryptpin);
342 
343 	/* Provide information about a token in the provided buffer */
344 	(void) strncpy((char *)pInfo->label, SOFT_TOKEN_LABEL, 32);
345 	(void) strncpy((char *)pInfo->manufacturerID, SOFT_MANUFACTURER_ID, 32);
346 	(void) strncpy((char *)pInfo->model, TOKEN_MODEL, 16);
347 	(void) strncpy((char *)pInfo->serialNumber, SOFT_TOKEN_SERIAL, 16);
348 
349 	pInfo->ulMaxSessionCount = CK_EFFECTIVELY_INFINITE;
350 	pInfo->ulSessionCount = soft_session_cnt;
351 	pInfo->ulMaxRwSessionCount = CK_EFFECTIVELY_INFINITE;
352 	pInfo->ulRwSessionCount = soft_session_rw_cnt;
353 	pInfo->ulMaxPinLen = MAX_PIN_LEN;
354 	pInfo->ulMinPinLen = MIN_PIN_LEN;
355 	pInfo->ulTotalPublicMemory = CK_UNAVAILABLE_INFORMATION;
356 	pInfo->ulFreePublicMemory = CK_UNAVAILABLE_INFORMATION;
357 	pInfo->ulTotalPrivateMemory = CK_UNAVAILABLE_INFORMATION;
358 	pInfo->ulFreePrivateMemory = CK_UNAVAILABLE_INFORMATION;
359 	pInfo->hardwareVersion.major = HARDWARE_VERSION_MAJOR;
360 	pInfo->hardwareVersion.minor = HARDWARE_VERSION_MINOR;
361 	pInfo->firmwareVersion.major = FIRMWARE_VERSION_MAJOR;
362 	pInfo->firmwareVersion.minor = FIRMWARE_VERSION_MINOR;
363 	(void) memset(pInfo->utcTime, ' ', 16);
364 
365 	return (CKR_OK);
366 }
367 
368 /*ARGSUSED*/
369 CK_RV
370 C_WaitForSlotEvent(CK_FLAGS flags, CK_SLOT_ID_PTR pSlot, CK_VOID_PTR pReserved)
371 {
372 	if (!softtoken_initialized)
373 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
374 
375 	/*
376 	 * This is currently not implemented, however we could cause this
377 	 * to wait for the token files to appear if soft_token_present is
378 	 * false.
379 	 * However there is currently no polite and portable way to do that
380 	 * because we might not even be able to get to an fd to the
381 	 * parent directory, so instead we don't support any slot events.
382 	 */
383 	return (CKR_FUNCTION_NOT_SUPPORTED);
384 }
385 
386 
387 CK_RV
388 C_GetMechanismList(CK_SLOT_ID slotID, CK_MECHANISM_TYPE_PTR pMechanismList,
389     CK_ULONG_PTR pulCount)
390 {
391 
392 	ulong_t i;
393 	ulong_t mechnum;
394 
395 	if (!softtoken_initialized)
396 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
397 
398 	if (slotID != SOFTTOKEN_SLOTID)
399 		return (CKR_SLOT_ID_INVALID);
400 
401 	mechnum = sizeof (soft_mechanisms) / sizeof (CK_MECHANISM_TYPE);
402 
403 	if (pMechanismList == NULL) {
404 		/*
405 		 * Application only wants to know the number of
406 		 * supported mechanism types.
407 		 */
408 		*pulCount = mechnum;
409 		return (CKR_OK);
410 	}
411 
412 	if (*pulCount < mechnum) {
413 		*pulCount = mechnum;
414 		return (CKR_BUFFER_TOO_SMALL);
415 	}
416 
417 	for (i = 0; i < mechnum; i++) {
418 		pMechanismList[i] = soft_mechanisms[i];
419 	}
420 
421 	*pulCount = mechnum;
422 
423 	return (CKR_OK);
424 }
425 
426 
427 CK_RV
428 C_GetMechanismInfo(CK_SLOT_ID slotID, CK_MECHANISM_TYPE type,
429     CK_MECHANISM_INFO_PTR pInfo)
430 {
431 
432 	ulong_t i;
433 	ulong_t mechnum;
434 
435 	if (!softtoken_initialized)
436 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
437 
438 	if (slotID != SOFTTOKEN_SLOTID)
439 		return (CKR_SLOT_ID_INVALID);
440 
441 	if (pInfo == NULL) {
442 		return (CKR_ARGUMENTS_BAD);
443 	}
444 
445 	mechnum = sizeof (soft_mechanisms) / sizeof (CK_MECHANISM_TYPE);
446 	for (i = 0; i < mechnum; i++) {
447 		if (soft_mechanisms[i] == type)
448 			break;
449 	}
450 
451 	if (i == mechnum)
452 		/* unsupported mechanism */
453 		return (CKR_MECHANISM_INVALID);
454 
455 	pInfo->ulMinKeySize = soft_mechanism_info[i].ulMinKeySize;
456 	pInfo->ulMaxKeySize = soft_mechanism_info[i].ulMaxKeySize;
457 	pInfo->flags = soft_mechanism_info[i].flags;
458 
459 	return (CKR_OK);
460 }
461 
462 
463 /*ARGSUSED*/
464 CK_RV
465 C_InitToken(CK_SLOT_ID slotID, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen,
466     CK_UTF8CHAR_PTR pLabel)
467 {
468 	if (!softtoken_initialized)
469 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
470 
471 	if (create_keystore() != 0)
472 		return (CKR_FUNCTION_FAILED);
473 
474 	return (CKR_OK);
475 }
476 
477 /*ARGSUSED*/
478 CK_RV
479 C_InitPIN(CK_SESSION_HANDLE hSession, CK_UTF8CHAR_PTR pPin, CK_ULONG ulPinLen)
480 {
481 	if (!softtoken_initialized)
482 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
483 
484 	return (CKR_FUNCTION_NOT_SUPPORTED);
485 }
486 
487 
488 CK_RV
489 C_SetPIN(CK_SESSION_HANDLE hSession, CK_UTF8CHAR_PTR pOldPin,
490     CK_ULONG ulOldPinLen, CK_UTF8CHAR_PTR pNewPin, CK_ULONG ulNewPinLen)
491 {
492 
493 	soft_session_t *session_p;
494 	CK_RV rv;
495 	boolean_t lock_held = B_FALSE;
496 
497 	if (!softtoken_initialized)
498 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
499 
500 	/*
501 	 * Obtain the session pointer. Also, increment the session
502 	 * reference count.
503 	 */
504 	rv = handle2session(hSession, &session_p);
505 	if (rv != CKR_OK)
506 		return (rv);
507 
508 	if (!soft_keystore_status(KEYSTORE_LOAD)) {
509 		SES_REFRELE(session_p, lock_held);
510 		return (CKR_DEVICE_REMOVED);
511 	}
512 
513 	if ((ulOldPinLen < MIN_PIN_LEN) || (ulOldPinLen > MAX_PIN_LEN) ||
514 	    (ulNewPinLen < MIN_PIN_LEN) ||(ulNewPinLen > MAX_PIN_LEN)) {
515 		SES_REFRELE(session_p, lock_held);
516 		return (CKR_PIN_LEN_RANGE);
517 	}
518 
519 	if ((pOldPin == NULL_PTR) || (pNewPin == NULL_PTR)) {
520 		/*
521 		 * We don't support CKF_PROTECTED_AUTHENTICATION_PATH
522 		 */
523 		SES_REFRELE(session_p, lock_held);
524 		return (CKR_ARGUMENTS_BAD);
525 	}
526 
527 	/* check the state of the session */
528 	if ((session_p->state != CKS_RW_PUBLIC_SESSION) &&
529 	    (session_p->state != CKS_RW_USER_FUNCTIONS)) {
530 		SES_REFRELE(session_p, lock_held);
531 		return (CKR_SESSION_READ_ONLY);
532 	}
533 
534 	rv = soft_setpin(pOldPin, ulOldPinLen, pNewPin, ulNewPinLen);
535 
536 	SES_REFRELE(session_p, lock_held);
537 	return (rv);
538 }
539