metaCrypt.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Encryption and Decryption Functions
* (as defined in PKCS#11 spec sections 11.8 and 11.9)
*/
#include "metaGlobal.h"
/*
* meta_EncryptInit
*
*/
CK_RV
meta_EncryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
CK_OBJECT_HANDLE hKey)
{
CK_RV rv;
meta_session_t *session;
meta_object_t *key;
if (pMechanism == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_handle2object(hKey, &key);
if (rv != CKR_OK) {
REFRELEASE(session);
return (rv);
}
rv = meta_operation_init(OP_ENCRYPT, session, pMechanism, key);
OBJRELEASE(key);
REFRELEASE(session);
return (rv);
}
/*
* meta_Encrypt
*
*/
CK_RV
meta_Encrypt(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pData, CK_ULONG ulDataLen,
CK_BYTE_PTR pEncryptedData, CK_ULONG_PTR pulEncryptedDataLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pData == NULL || pulEncryptedDataLen == NULL) {
meta_operation_cleanup(session, OP_ENCRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(OP_ENCRYPT, MODE_SINGLE, session, NULL,
pData, ulDataLen, pEncryptedData, pulEncryptedDataLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_EncryptUpdate
*
*/
CK_RV
meta_EncryptUpdate(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pPart, CK_ULONG ulPartLen,
CK_BYTE_PTR pEncryptedPart, CK_ULONG_PTR pulEncryptedPartLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pPart == NULL || pulEncryptedPartLen == NULL) {
meta_operation_cleanup(session, OP_ENCRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(OP_ENCRYPT, MODE_UPDATE, session, NULL,
pPart, ulPartLen, pEncryptedPart, pulEncryptedPartLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_EncryptFinal
*
*/
CK_RV
meta_EncryptFinal(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pLastEncryptedPart, CK_ULONG_PTR pulLastEncryptedPartLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pulLastEncryptedPartLen == NULL) {
meta_operation_cleanup(session, OP_ENCRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(OP_ENCRYPT, MODE_FINAL, session, NULL,
NULL, 0, pLastEncryptedPart, pulLastEncryptedPartLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_DecryptInit
*
*/
CK_RV
meta_DecryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanism,
CK_OBJECT_HANDLE hKey)
{
CK_RV rv;
meta_session_t *session;
meta_object_t *key;
if (pMechanism == NULL)
return (CKR_ARGUMENTS_BAD);
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
rv = meta_handle2object(hKey, &key);
if (rv != CKR_OK) {
REFRELEASE(session);
return (rv);
}
rv = meta_operation_init(OP_DECRYPT, session, pMechanism, key);
OBJRELEASE(key);
REFRELEASE(session);
return (rv);
}
/*
* meta_Decrypt
*
*/
CK_RV
meta_Decrypt(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pEncryptedData, CK_ULONG ulEncryptedDataLen,
CK_BYTE_PTR pData, CK_ULONG_PTR pulDataLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pEncryptedData == NULL || pulDataLen == NULL) {
meta_operation_cleanup(session, OP_DECRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(OP_DECRYPT, MODE_SINGLE, session, NULL,
pEncryptedData, ulEncryptedDataLen, pData, pulDataLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_DecryptUpdate
*
*/
CK_RV
meta_DecryptUpdate(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pEncryptedPart, CK_ULONG ulEncryptedPartLen,
CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pEncryptedPart == NULL || pulPartLen == NULL) {
meta_operation_cleanup(session, OP_DECRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(OP_DECRYPT, MODE_UPDATE, session, NULL,
pEncryptedPart, ulEncryptedPartLen, pPart, pulPartLen);
REFRELEASE(session);
return (rv);
}
/*
* meta_DecryptFinal
*
*/
CK_RV
meta_DecryptFinal(CK_SESSION_HANDLE hSession,
CK_BYTE_PTR pLastPart, CK_ULONG_PTR pulLastPartLen)
{
CK_RV rv;
meta_session_t *session;
rv = meta_handle2session(hSession, &session);
if (rv != CKR_OK)
return (rv);
if (pulLastPartLen == NULL) {
meta_operation_cleanup(session, OP_DECRYPT, FALSE);
REFRELEASE(session);
return (CKR_ARGUMENTS_BAD);
}
rv = meta_do_operation(OP_DECRYPT, MODE_FINAL, session, NULL,
NULL, 0, pLastPart, pulLastPartLen);
REFRELEASE(session);
return (rv);
}