1e1051a39Sopenharmony_ci/* 2e1051a39Sopenharmony_ci * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved. 3e1051a39Sopenharmony_ci * 4e1051a39Sopenharmony_ci * Licensed under the Apache License 2.0 (the "License"). You may not use 5e1051a39Sopenharmony_ci * this file except in compliance with the License. You can obtain a copy 6e1051a39Sopenharmony_ci * in the file LICENSE in the source distribution or at 7e1051a39Sopenharmony_ci * https://www.openssl.org/source/license.html 8e1051a39Sopenharmony_ci */ 9e1051a39Sopenharmony_ci 10e1051a39Sopenharmony_ci/* 11e1051a39Sopenharmony_ci * DSA low level APIs are deprecated for public use, but still ok for 12e1051a39Sopenharmony_ci * internal use. 13e1051a39Sopenharmony_ci */ 14e1051a39Sopenharmony_ci#include "internal/deprecated.h" 15e1051a39Sopenharmony_ci 16e1051a39Sopenharmony_ci#include <stdio.h> 17e1051a39Sopenharmony_ci#include "internal/cryptlib.h" 18e1051a39Sopenharmony_ci#include "dsa_local.h" 19e1051a39Sopenharmony_ci#include <openssl/asn1.h> 20e1051a39Sopenharmony_ci#include <openssl/asn1t.h> 21e1051a39Sopenharmony_ci#include <openssl/rand.h> 22e1051a39Sopenharmony_ci#include "crypto/asn1_dsa.h" 23e1051a39Sopenharmony_ci 24e1051a39Sopenharmony_ci/* Override the default free and new methods */ 25e1051a39Sopenharmony_cistatic int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, 26e1051a39Sopenharmony_ci void *exarg) 27e1051a39Sopenharmony_ci{ 28e1051a39Sopenharmony_ci if (operation == ASN1_OP_NEW_PRE) { 29e1051a39Sopenharmony_ci *pval = (ASN1_VALUE *)DSA_new(); 30e1051a39Sopenharmony_ci if (*pval != NULL) 31e1051a39Sopenharmony_ci return 2; 32e1051a39Sopenharmony_ci return 0; 33e1051a39Sopenharmony_ci } else if (operation == ASN1_OP_FREE_PRE) { 34e1051a39Sopenharmony_ci DSA_free((DSA *)*pval); 35e1051a39Sopenharmony_ci *pval = NULL; 36e1051a39Sopenharmony_ci return 2; 37e1051a39Sopenharmony_ci } 38e1051a39Sopenharmony_ci return 1; 39e1051a39Sopenharmony_ci} 40e1051a39Sopenharmony_ci 41e1051a39Sopenharmony_ciASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = { 42e1051a39Sopenharmony_ci ASN1_EMBED(DSA, version, INT32), 43e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.p, BIGNUM), 44e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.q, BIGNUM), 45e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.g, BIGNUM), 46e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, pub_key, BIGNUM), 47e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, priv_key, CBIGNUM) 48e1051a39Sopenharmony_ci} static_ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey) 49e1051a39Sopenharmony_ci 50e1051a39Sopenharmony_ciIMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAPrivateKey, DSAPrivateKey) 51e1051a39Sopenharmony_ci 52e1051a39Sopenharmony_ciASN1_SEQUENCE_cb(DSAparams, dsa_cb) = { 53e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.p, BIGNUM), 54e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.q, BIGNUM), 55e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.g, BIGNUM), 56e1051a39Sopenharmony_ci} static_ASN1_SEQUENCE_END_cb(DSA, DSAparams) 57e1051a39Sopenharmony_ci 58e1051a39Sopenharmony_ciIMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAparams, DSAparams) 59e1051a39Sopenharmony_ci 60e1051a39Sopenharmony_ciASN1_SEQUENCE_cb(DSAPublicKey, dsa_cb) = { 61e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, pub_key, BIGNUM), 62e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.p, BIGNUM), 63e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.q, BIGNUM), 64e1051a39Sopenharmony_ci ASN1_SIMPLE(DSA, params.g, BIGNUM) 65e1051a39Sopenharmony_ci} static_ASN1_SEQUENCE_END_cb(DSA, DSAPublicKey) 66e1051a39Sopenharmony_ci 67e1051a39Sopenharmony_ciIMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(DSA, DSAPublicKey, DSAPublicKey) 68e1051a39Sopenharmony_ci 69e1051a39Sopenharmony_ciDSA *DSAparams_dup(const DSA *dsa) 70e1051a39Sopenharmony_ci{ 71e1051a39Sopenharmony_ci return ASN1_item_dup(ASN1_ITEM_rptr(DSAparams), dsa); 72e1051a39Sopenharmony_ci} 73