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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright 2018, Joyent, Inc.
*/
/*
* Message Digesting Functions
* (as defined in PKCS#11 spec section 11.10)
*/
#include "metaGlobal.h"
/*
* meta_DigestInit
*
*/
CK_RV
meta_DigestInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism)
{
CK_RV rv;
meta_session_t *session;
if (pMechanism == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_operation_init_defer(CKF_DIGEST, session, pMechanism, NULL);
REFRELEASE(session);
return (rv);
}
/*
* meta_Digest
*
*/
CK_RV
meta_Digest(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG ulDataLen,
CK_BYTE_PTR pDigest, CK_ULONG_PTR pulDigestLen)
{
CK_RV rv;
meta_session_t *session;
if ((pData == NULL && ulDataLen != 0) || pulDigestLen == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_do_operation(CKF_DIGEST, MODE_SINGLE, session, NULL,
pData, ulDataLen, pDigest, pulDigestLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_DigestUpdate
*
*/
CK_RV
meta_DigestUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
CK_ULONG ulPartLen)
{
CK_RV rv;
meta_session_t *session;
if (pPart == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_do_operation(CKF_DIGEST, MODE_UPDATE, session, NULL,
pPart, ulPartLen, NULL, NULL);
REFRELEASE(session);
return (rv);
}
/*
* meta_DigestKey
*
* NOTE: This function can fail under certain circumstances!
* Unlike the other crypto functions, we didn't get the key object
* when the operation was initialized with C_DigestInit().
* Thus, the slot we're using for the digest operation may
* not be the slot containing the key -- if the key is extractible we can
* deal with it, but if it's not the operation will FAIL.
*/
CK_RV
meta_DigestKey(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hKey)
{
CK_RV rv;
meta_session_t *session;
meta_object_t *key;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_handle2object(hKey, &key);
if (rv != CKR_OK) {
REFRELEASE(session);
return (rv);
}
/* meta_do_operation() will clone the key, if needed. */
rv = meta_do_operation(CKF_DIGEST, MODE_UPDATE_WITHKEY, session, key,
NULL, 0, NULL, NULL);
OBJRELEASE(key);
REFRELEASE(session);
return (rv);
}
/*
* meta_DigestFinal
*
*/
CK_RV
meta_DigestFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pDigest,
CK_ULONG_PTR pulDigestLen)
{
CK_RV rv;
meta_session_t *session;
if (pulDigestLen == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_do_operation(CKF_DIGEST, MODE_FINAL, session, NULL,
NULL, 0, pDigest, pulDigestLen);
REFRELEASE(session);
return (rv);
}
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