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      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, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include <security/cryptoki.h>
     30 #include "pkcs11Global.h"
     31 #include "pkcs11Session.h"
     32 #include "pkcs11Slot.h"
     33 
     34 /*
     35  * C_SeedRandom will verify that the session handle is valid within
     36  * the framework, that random numbers are not disabled for the slot
     37  * associated with this session, and then redirect to the underlying
     38  * provider.
     39  */
     40 CK_RV
     41 C_SeedRandom(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSeed, CK_ULONG ulSeedLen)
     42 {
     43 	CK_RV rv;
     44 	pkcs11_session_t *sessp;
     45 	CK_SLOT_ID slotid;
     46 
     47 	/* Check for a fastpath */
     48 	if (purefastpath || policyfastpath) {
     49 		/* Check if random number functions are allowed */
     50 		if (policyfastpath &&
     51 		    slottable->st_slots[fast_slot]->sl_norandom) {
     52 			return (CKR_FUNCTION_FAILED);
     53 		}
     54 		return (fast_funcs->C_SeedRandom(hSession, pSeed, ulSeedLen));
     55 	}
     56 
     57 	if (!pkcs11_initialized) {
     58 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
     59 	}
     60 
     61 	/* Obtain the session pointer */
     62 	HANDLE2SESSION(hSession, sessp, rv);
     63 
     64 	if (rv != CKR_OK) {
     65 		return (rv);
     66 	}
     67 
     68 	slotid = sessp->se_slotid;
     69 
     70 	/* Check if random number functions are allowed */
     71 	if (slottable->st_slots[slotid]->sl_norandom)
     72 		return (CKR_FUNCTION_FAILED);
     73 
     74 	/* Pass data to the provider */
     75 	rv = FUNCLIST(slotid)->C_SeedRandom(sessp->se_handle, pSeed,
     76 	    ulSeedLen);
     77 
     78 	/* Present consistent interface to the application */
     79 	if (rv == CKR_FUNCTION_NOT_SUPPORTED) {
     80 		return (CKR_FUNCTION_FAILED);
     81 	}
     82 
     83 	return (rv);
     84 }
     85 
     86 /*
     87  * C_GenerateRandom will verify that the session handle is valid within
     88  * the framework, that random numbers are not disabled for the slot
     89  * associated with this session, and then redirect to the underlying
     90  * provider.
     91  */
     92 CK_RV
     93 C_GenerateRandom(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pRandomData,
     94     CK_ULONG ulRandomLen)
     95 {
     96 	CK_RV rv;
     97 	pkcs11_session_t *sessp;
     98 	CK_SLOT_ID slotid;
     99 
    100 	/* Check for a fastpath */
    101 	if (purefastpath || policyfastpath) {
    102 		/* Check if random number functions are allowed */
    103 		if (policyfastpath &&
    104 		    slottable->st_slots[fast_slot]->sl_norandom) {
    105 			return (CKR_FUNCTION_FAILED);
    106 		}
    107 		return (fast_funcs->C_GenerateRandom(hSession, pRandomData,
    108 			    ulRandomLen));
    109 	}
    110 
    111 	if (!pkcs11_initialized) {
    112 		return (CKR_CRYPTOKI_NOT_INITIALIZED);
    113 	}
    114 
    115 	/* Obtain the session pointer */
    116 	HANDLE2SESSION(hSession, sessp, rv);
    117 
    118 	if (rv != CKR_OK) {
    119 		return (rv);
    120 	}
    121 
    122 	slotid = sessp->se_slotid;
    123 
    124 	/* Check if random number functions are allowed */
    125 	if (slottable->st_slots[slotid]->sl_norandom)
    126 		return (CKR_FUNCTION_FAILED);
    127 
    128 	/* Pass data to the provider */
    129 	rv = FUNCLIST(sessp->se_slotid)->C_GenerateRandom(sessp->se_handle,
    130 	    pRandomData, ulRandomLen);
    131 
    132 	/* Present consistent interface to the application */
    133 	if (rv == CKR_FUNCTION_NOT_SUPPORTED) {
    134 		return (CKR_FUNCTION_FAILED);
    135 	}
    136 
    137 	return (rv);
    138 }
    139