Fix migration guide mappings for i2o/o2i_ECPublicKey
[openssl.git] / crypto / dsa / dsa_asn1.c
index fba2f730234222fdc9c26bbf90b4fba2e74704d5..300ce6806df58bcd7b5e3f2ec2f30c9732e03f1b 100644 (file)
-/* dsa_asn1.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2000.
- */
-/* ====================================================================
- * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved.
  *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
+/*
+ * DSA low level APIs are deprecated for public use, but still ok for
+ * internal use.
+ */
+#include "internal/deprecated.h"
+
 #include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/dsa.h>
+#include "internal/cryptlib.h"
+#include "dsa_local.h"
 #include <openssl/asn1.h>
 #include <openssl/asn1t.h>
-
-/* Override the default new methods */
-static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
-{
-       if(operation == ASN1_OP_NEW_PRE) {
-               DSA_SIG *sig;
-               sig = OPENSSL_malloc(sizeof(DSA_SIG));
-               sig->r = NULL;
-               sig->s = NULL;
-               *pval = (ASN1_VALUE *)sig;
-               if(sig) return 2;
-               DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE);
-               return 0;
-       }
-       return 1;
-}
-
-ASN1_SEQUENCE_cb(DSA_SIG, sig_cb) = {
-       ASN1_SIMPLE(DSA_SIG, r, CBIGNUM),
-       ASN1_SIMPLE(DSA_SIG, s, CBIGNUM)
-} ASN1_SEQUENCE_END_cb(DSA_SIG, DSA_SIG);
-
-IMPLEMENT_ASN1_FUNCTIONS_const(DSA_SIG)
+#include <openssl/rand.h>
+#include "crypto/asn1_dsa.h"
 
 /* Override the default free and new methods */
-static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
+static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
+                  void *exarg)
 {
-       if(operation == ASN1_OP_NEW_PRE) {
-               *pval = (ASN1_VALUE *)DSA_new();
-               if(*pval) return 2;
-               return 0;
-       } else if(operation == ASN1_OP_FREE_PRE) {
-               DSA_free((DSA *)*pval);
-               *pval = NULL;
-               return 2;
-       }
-       return 1;
+    if (operation == ASN1_OP_NEW_PRE) {
+        *pval = (ASN1_VALUE *)DSA_new();
+        if (*pval != NULL)
+            return 2;
+        return 0;
+    } else if (operation == ASN1_OP_FREE_PRE) {
+        DSA_free((DSA *)*pval);
+        *pval = NULL;
+        return 2;
+    }
+    return 1;
 }
 
 ASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = {
-       ASN1_SIMPLE(DSA, version, LONG),
-       ASN1_SIMPLE(DSA, p, BIGNUM),
-       ASN1_SIMPLE(DSA, q, BIGNUM),
-       ASN1_SIMPLE(DSA, g, BIGNUM),
-       ASN1_SIMPLE(DSA, pub_key, BIGNUM),
-       ASN1_SIMPLE(DSA, priv_key, BIGNUM)
-} ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey);
+        ASN1_EMBED(DSA, version, INT32),
+        ASN1_SIMPLE(DSA, params.p, BIGNUM),
+        ASN1_SIMPLE(DSA, params.q, BIGNUM),
+        ASN1_SIMPLE(DSA, params.g, BIGNUM),
+        ASN1_SIMPLE(DSA, pub_key, BIGNUM),
+        ASN1_SIMPLE(DSA, priv_key, CBIGNUM)
+} static_ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey)
 
-IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPrivateKey, DSAPrivateKey)
+IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAPrivateKey, DSAPrivateKey)
 
 ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = {
-       ASN1_SIMPLE(DSA, p, BIGNUM),
-       ASN1_SIMPLE(DSA, q, BIGNUM),
-       ASN1_SIMPLE(DSA, g, BIGNUM),
-} ASN1_SEQUENCE_END_cb(DSA, DSAparams);
-
-IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAparams, DSAparams)
+        ASN1_SIMPLE(DSA, params.p, BIGNUM),
+        ASN1_SIMPLE(DSA, params.q, BIGNUM),
+        ASN1_SIMPLE(DSA, params.g, BIGNUM),
+} static_ASN1_SEQUENCE_END_cb(DSA, DSAparams)
 
-/* DSA public key is a bit trickier... its effectively a CHOICE type
- * decided by a field called write_params which can either write out
- * just the public key as an INTEGER or the parameters and public key
- * in a SEQUENCE
- */
+IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAparams, DSAparams)
 
-ASN1_SEQUENCE(dsa_pub_internal) = {
-       ASN1_SIMPLE(DSA, pub_key, BIGNUM),
-       ASN1_SIMPLE(DSA, p, BIGNUM),
-       ASN1_SIMPLE(DSA, q, BIGNUM),
-       ASN1_SIMPLE(DSA, g, BIGNUM)
-} ASN1_SEQUENCE_END_name(DSA, dsa_pub_internal);
+ASN1_SEQUENCE_cb(DSAPublicKey, dsa_cb) = {
+        ASN1_SIMPLE(DSA, pub_key, BIGNUM),
+        ASN1_SIMPLE(DSA, params.p, BIGNUM),
+        ASN1_SIMPLE(DSA, params.q, BIGNUM),
+        ASN1_SIMPLE(DSA, params.g, BIGNUM)
+} static_ASN1_SEQUENCE_END_cb(DSA, DSAPublicKey)
 
-ASN1_CHOICE_cb(DSAPublicKey, dsa_cb) = {
-       ASN1_SIMPLE(DSA, pub_key, BIGNUM),
-       ASN1_EX_COMBINE(0, 0, dsa_pub_internal)
-} ASN1_CHOICE_END_cb(DSA, DSAPublicKey, write_params);
+IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAPublicKey, DSAPublicKey)
 
-IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPublicKey, DSAPublicKey)
+DSA *DSAparams_dup(const DSA *dsa)
+{
+    return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa);
+}