--- /dev/null
+/*
+ * 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 Netscape are
+ * Copyright (C) 1994-2000 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License Version 2 or later (the
+ * "GPL"), in which case the provisions of the GPL are applicable
+ * instead of those above. If you wish to allow use of your
+ * version of this file only under the terms of the GPL and not to
+ * allow others to use your version of this file under the MPL,
+ * indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by
+ * the GPL. If you do not delete the provisions above, a recipient
+ * may use your version of this file under either the MPL or the
+ * GPL.
+ */
+
+#include "secoid.h"
+#include "SecAsn1Item.h"
+#include <security_asn1/secasn1.h>
+#include <security_asn1/secerr.h>
+#include <security_asn1/secport.h>
+
+const SecAsn1Template SECOID_AlgorithmIDTemplate[] = {
+ { SEC_ASN1_SEQUENCE,
+ 0, NULL, sizeof(SECAlgorithmID) },
+ { SEC_ASN1_OBJECT_ID,
+ offsetof(SECAlgorithmID,algorithm), },
+ { SEC_ASN1_OPTIONAL | SEC_ASN1_ANY,
+ offsetof(SECAlgorithmID,parameters), },
+ { 0 }
+};
+
+SECOidTag
+SECOID_GetAlgorithmTag(const 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,
+ const SecAsn1Item *params)
+{
+ SECOidData *oiddata;
+ Boolean 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->Length == 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, const 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, Boolean freeit)
+{
+ SECITEM_FreeItem(&algid->parameters, PR_FALSE);
+ SECITEM_FreeItem(&algid->algorithm, PR_FALSE);
+ if(freeit == PR_TRUE)
+ PORT_Free(algid);
+}
+
+SECComparison
+SECOID_CompareAlgorithmID(const SECAlgorithmID *a, const SECAlgorithmID *b)
+{
+ SECComparison rv;
+
+ rv = SECITEM_CompareItem(&a->algorithm, &b->algorithm);
+ if (rv) return rv;
+ rv = SECITEM_CompareItem(&a->parameters, &b->parameters);
+ return rv;
+}
+
+/* This functions simply returns the address of the above-declared template. */
+SEC_ASN1_CHOOSER_IMPLEMENT(SECOID_AlgorithmIDTemplate)
+
projects / apple / security.git / blobdiff