libpkcs11/common/pkcs11DualCrypt.c

	pkcs11DualCrypt.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 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <security/cryptoki.h>
#include "pkcs11Global.h"
#include "pkcs11Session.h"
#include "pkcs11Slot.h"

/*
 * C_DigestEncryptUpdate is a pure wrapper to the underlying provider.
 * Policy enforcement was done earlier by the mandatory calls to
 * C_DigestInit and C_EncryptInit.
 *
 * The only argument checked is whether or not hSession is valid.
 */
CK_RV
C_DigestEncryptUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
    CK_ULONG ulPartLen, CK_BYTE_PTR pEncryptedPart,
    CK_ULONG_PTR pulEncryptedPartLen)
{
    CK_RV rv;
    pkcs11_session_t *sessp;

    /* Check for a fastpath */
    if (purefastpath || policyfastpath) {
        return (fast_funcs->C_DigestEncryptUpdate(hSession, pPart,
                ulPartLen, pEncryptedPart, pulEncryptedPartLen));
    }

    if (!pkcs11_initialized) {
        return (CKR_CRYPTOKI_NOT_INITIALIZED);
    }

    /* Obtain the session pointer */
    HANDLE2SESSION(hSession, sessp, rv);

    if (rv != CKR_OK) {
        return (rv);
    }

    /* Pass data to the provider */
    rv = FUNCLIST(sessp->se_slotid)->
        C_DigestEncryptUpdate(sessp->se_handle, pPart, ulPartLen,
        pEncryptedPart, pulEncryptedPartLen);

    /* Present consistent interface to the application */
    if (rv == CKR_FUNCTION_NOT_SUPPORTED) {
        return (CKR_FUNCTION_FAILED);
    }

    return (rv);

}

/*
 * C_DecryptDigestUpdate is a pure wrapper to the underlying provider.
 * Policy enforcement was done earlier by the mandatory calls to
 * C_DigestInit and C_DecryptInit.
 *
 * The only argument checked is whether or not hSession is valid.
 */
CK_RV
C_DecryptDigestUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pEncryptedPart,
    CK_ULONG ulEncryptedPartLen, CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
{
    CK_RV rv;
    pkcs11_session_t *sessp;

    /* Check for a fastpath */
    if (purefastpath || policyfastpath) {
        return (fast_funcs->C_DecryptDigestUpdate(hSession,
                pEncryptedPart, ulEncryptedPartLen, pPart,
                pulPartLen));
    }

    if (!pkcs11_initialized) {
        return (CKR_CRYPTOKI_NOT_INITIALIZED);
    }

    /* Obtain the session pointer */
    HANDLE2SESSION(hSession, sessp, rv);

    if (rv != CKR_OK) {
        return (rv);
    }

    /* Pass data to the provider */
    rv = FUNCLIST(sessp->se_slotid)->
        C_DecryptDigestUpdate(sessp->se_handle, pEncryptedPart,
        ulEncryptedPartLen, pPart, pulPartLen);

    /* Present consistent interface to the application */
    if (rv == CKR_FUNCTION_NOT_SUPPORTED) {
        return (CKR_FUNCTION_FAILED);
    }

    return (rv);
}

/*
 * C_SignEncryptUpdate is a pure wrapper to the underlying provider.
 * Policy enforcement was done earlier by the mandatory calls to
 * C_SignInit and C_EncryptInit.
 *
 * The only argument checked is whether or not hSession is valid.
 */
CK_RV
C_SignEncryptUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart,
    CK_ULONG ulPartLen, CK_BYTE_PTR pEncryptedPart,
    CK_ULONG_PTR pulEncryptedPartLen)
{
    CK_RV rv;
    pkcs11_session_t *sessp;

    /* Check for a fastpath */
    if (purefastpath || policyfastpath) {
        return (fast_funcs->C_SignEncryptUpdate(hSession, pPart,
                ulPartLen,  pEncryptedPart, pulEncryptedPartLen));
    }

    if (!pkcs11_initialized) {
        return (CKR_CRYPTOKI_NOT_INITIALIZED);
    }

    /* Obtain the session pointer */
    HANDLE2SESSION(hSession, sessp, rv);

    if (rv != CKR_OK) {
        return (rv);
    }

    /* Pass data to the provider */
    rv = FUNCLIST(sessp->se_slotid)->
        C_SignEncryptUpdate(sessp->se_handle, pPart, ulPartLen,
        pEncryptedPart, pulEncryptedPartLen);

    /* Present consistent interface to the application */
    if (rv == CKR_FUNCTION_NOT_SUPPORTED) {
        return (CKR_FUNCTION_FAILED);
    }

    return (rv);
}

/*
 * C_DecryptVerifyUpdate is a pure wrapper to the underlying provider.
 * Policy enforcement was done earlier by the mandatory calls to
 * C_SignInit and C_EncryptInit.
 *
 * The only argument checked is whether or not hSession is valid.
 */
CK_RV
C_DecryptVerifyUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pEncryptedPart,
    CK_ULONG ulEncryptedPartLen, CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
{
    CK_RV rv;
    pkcs11_session_t *sessp;

    /* Check for a fastpath */
    if (purefastpath || policyfastpath) {
        return (fast_funcs->C_DecryptVerifyUpdate(hSession,
                pEncryptedPart, ulEncryptedPartLen, pPart,
                pulPartLen));
    }

    if (!pkcs11_initialized) {
        return (CKR_CRYPTOKI_NOT_INITIALIZED);
    }

    /* Obtain the session pointer */
    HANDLE2SESSION(hSession, sessp, rv);

    if (rv != CKR_OK) {
        return (rv);
    }

    /* Pass data to the provider */
    rv = FUNCLIST(sessp->se_slotid)->
        C_DecryptVerifyUpdate(sessp->se_handle, pEncryptedPart,
        ulEncryptedPartLen, pPart, pulPartLen);

    /* Present consistent interface to the application */
    if (rv == CKR_FUNCTION_NOT_SUPPORTED) {
        return (CKR_FUNCTION_FAILED);
    }

    return (rv);
}