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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "secoid.h"
#include "secder.h" /* XXX remove this when remove the DERTemplate */
#include "secasn1.h"
#include "secitem.h"
#include "secerr.h"
SECOidTag
SECOID_GetAlgorithmTag(SECAlgorithmID *id)
{
if (id == NULL || id->algorithm.data == NULL)
return SEC_OID_UNKNOWN;
return SECOID_FindOIDTag (&(id->algorithm));
}
SECStatus
SECOID_SetAlgorithmID(PRArenaPool *arena, SECAlgorithmID *id, SECOidTag which,
SECItem *params)
{
SECOidData *oiddata;
PRBool add_null_param;
oiddata = SECOID_FindOIDByTag(which);
if ( !oiddata ) {
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
return SECFailure;
}
if (SECITEM_CopyItem(arena, &id->algorithm, &oiddata->oid))
return SECFailure;
switch (which) {
case SEC_OID_MD2:
case SEC_OID_MD4:
case SEC_OID_MD5:
case SEC_OID_SHA1:
case SEC_OID_SHA256:
case SEC_OID_SHA384:
case SEC_OID_SHA512:
case SEC_OID_PKCS1_RSA_ENCRYPTION:
case SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION:
case SEC_OID_PKCS1_MD4_WITH_RSA_ENCRYPTION:
case SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION:
case SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION:
case SEC_OID_PKCS1_SHA256_WITH_RSA_ENCRYPTION:
case SEC_OID_PKCS1_SHA384_WITH_RSA_ENCRYPTION:
case SEC_OID_PKCS1_SHA512_WITH_RSA_ENCRYPTION:
add_null_param = PR_TRUE;
break;
default:
add_null_param = PR_FALSE;
break;
}
if (params) {
/*
* I am specifically *not* enforcing the following assertion
* (by following it up with an error and a return of failure)
* because I do not want to introduce any change in the current
* behavior. But I do want for us to notice if the following is
* ever true, because I do not think it should be so and probably
* signifies an error/bug somewhere.
*/
PORT_Assert(!add_null_param || (params->len == 2
&& params->data[0] == SEC_ASN1_NULL
&& params->data[1] == 0));
if (SECITEM_CopyItem(arena, &id->parameters, params)) {
return SECFailure;
}
} else {
/*
* Again, this is not considered an error. But if we assume
* that nobody tries to set the parameters field themselves
* (but always uses this routine to do that), then we should
* not hit the following assertion. Unless they forgot to zero
* the structure, which could also be a bad (and wrong) thing.
*/
PORT_Assert(id->parameters.data == NULL);
if (add_null_param) {
(void) SECITEM_AllocItem(arena, &id->parameters, 2);
if (id->parameters.data == NULL) {
return SECFailure;
}
id->parameters.data[0] = SEC_ASN1_NULL;
id->parameters.data[1] = 0;
}
}
return SECSuccess;
}
SECStatus
SECOID_CopyAlgorithmID(PRArenaPool *arena, SECAlgorithmID *to, SECAlgorithmID *from)
{
SECStatus rv;
rv = SECITEM_CopyItem(arena, &to->algorithm, &from->algorithm);
if (rv) return rv;
rv = SECITEM_CopyItem(arena, &to->parameters, &from->parameters);
return rv;
}
void SECOID_DestroyAlgorithmID(SECAlgorithmID *algid, PRBool freeit)
{
SECITEM_FreeItem(&algid->parameters, PR_FALSE);
SECITEM_FreeItem(&algid->algorithm, PR_FALSE);
if(freeit == PR_TRUE)
PORT_Free(algid);
}
SECComparison
SECOID_CompareAlgorithmID(SECAlgorithmID *a, SECAlgorithmID *b)
{
SECComparison rv;
rv = SECITEM_CompareItem(&a->algorithm, &b->algorithm);
if (rv) return rv;
rv = SECITEM_CompareItem(&a->parameters, &b->parameters);
return rv;
}
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