openssl/crypto/dsa/dsa_asn1.c
Pauli f41ac0eeab Deprecate the low level DSA functions.
Use of the low level DSA functions has been informally discouraged for a
long time. We now formally deprecate them.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10977)
2020-02-12 08:52:41 +10:00

73 lines
2.2 KiB
C

/*
* Copyright 1999-2016 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 "internal/cryptlib.h"
#include "dsa_local.h"
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#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,
void *exarg)
{
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_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_fname(DSA, DSAPrivateKey, DSAPrivateKey)
ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = {
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)
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAparams, DSAparams)
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)
IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAPublicKey, DSAPublicKey)
DSA *DSAparams_dup(const DSA *dsa)
{
return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa);
}