409 lines
9.8 KiB
C
409 lines
9.8 KiB
C
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/* $OpenBSD: rsa_asn1.c,v 1.15 2019/10/25 14:40:18 jsing Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <stdio.h>
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#include <openssl/asn1t.h>
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#include <openssl/bn.h>
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#include <openssl/rsa.h>
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#include <openssl/x509.h>
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#include "rsa_locl.h"
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/* Override the default free and new methods */
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static int
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rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
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{
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if (operation == ASN1_OP_NEW_PRE) {
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*pval = (ASN1_VALUE *)RSA_new();
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if (*pval)
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return 2;
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return 0;
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} else if (operation == ASN1_OP_FREE_PRE) {
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RSA_free((RSA *)*pval);
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*pval = NULL;
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return 2;
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}
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return 1;
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}
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static const ASN1_AUX RSAPrivateKey_aux = {
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.app_data = NULL,
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.flags = 0,
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.ref_offset = 0,
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.ref_lock = 0,
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.asn1_cb = rsa_cb,
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.enc_offset = 0,
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};
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static const ASN1_TEMPLATE RSAPrivateKey_seq_tt[] = {
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, version),
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.field_name = "version",
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.item = &LONG_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, n),
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.field_name = "n",
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.item = &BIGNUM_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, e),
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.field_name = "e",
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.item = &BIGNUM_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, d),
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.field_name = "d",
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.item = &BIGNUM_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, p),
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.field_name = "p",
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.item = &BIGNUM_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, q),
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.field_name = "q",
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.item = &BIGNUM_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, dmp1),
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.field_name = "dmp1",
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.item = &BIGNUM_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, dmq1),
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.field_name = "dmq1",
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.item = &BIGNUM_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, iqmp),
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.field_name = "iqmp",
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.item = &BIGNUM_it,
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},
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};
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const ASN1_ITEM RSAPrivateKey_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = RSAPrivateKey_seq_tt,
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.tcount = sizeof(RSAPrivateKey_seq_tt) / sizeof(ASN1_TEMPLATE),
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.funcs = &RSAPrivateKey_aux,
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.size = sizeof(RSA),
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.sname = "RSA",
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};
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static const ASN1_AUX RSAPublicKey_aux = {
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.app_data = NULL,
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.flags = 0,
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.ref_offset = 0,
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.ref_lock = 0,
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.asn1_cb = rsa_cb,
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.enc_offset = 0,
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};
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static const ASN1_TEMPLATE RSAPublicKey_seq_tt[] = {
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, n),
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.field_name = "n",
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.item = &BIGNUM_it,
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},
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{
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.flags = 0,
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.tag = 0,
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.offset = offsetof(RSA, e),
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.field_name = "e",
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.item = &BIGNUM_it,
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},
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};
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const ASN1_ITEM RSAPublicKey_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = RSAPublicKey_seq_tt,
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.tcount = sizeof(RSAPublicKey_seq_tt) / sizeof(ASN1_TEMPLATE),
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.funcs = &RSAPublicKey_aux,
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.size = sizeof(RSA),
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.sname = "RSA",
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};
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static int
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rsa_pss_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
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{
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/* Free up maskHash */
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if (operation == ASN1_OP_FREE_PRE) {
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RSA_PSS_PARAMS *pss = (RSA_PSS_PARAMS *)*pval;
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X509_ALGOR_free(pss->maskHash);
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}
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return 1;
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}
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static const ASN1_AUX RSA_PSS_PARAMS_aux = {
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.app_data = NULL,
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.flags = 0,
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.ref_offset = 0,
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.ref_lock = 0,
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.asn1_cb = rsa_pss_cb,
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.enc_offset = 0,
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};
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static const ASN1_TEMPLATE RSA_PSS_PARAMS_seq_tt[] = {
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{
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.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
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.tag = 0,
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.offset = offsetof(RSA_PSS_PARAMS, hashAlgorithm),
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.field_name = "hashAlgorithm",
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.item = &X509_ALGOR_it,
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},
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{
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.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
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.tag = 1,
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.offset = offsetof(RSA_PSS_PARAMS, maskGenAlgorithm),
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.field_name = "maskGenAlgorithm",
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.item = &X509_ALGOR_it,
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},
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{
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.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
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.tag = 2,
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.offset = offsetof(RSA_PSS_PARAMS, saltLength),
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.field_name = "saltLength",
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.item = &ASN1_INTEGER_it,
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},
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{
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.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
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.tag = 3,
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.offset = offsetof(RSA_PSS_PARAMS, trailerField),
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.field_name = "trailerField",
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.item = &ASN1_INTEGER_it,
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},
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};
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const ASN1_ITEM RSA_PSS_PARAMS_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = RSA_PSS_PARAMS_seq_tt,
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.tcount = sizeof(RSA_PSS_PARAMS_seq_tt) / sizeof(ASN1_TEMPLATE),
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.funcs = &RSA_PSS_PARAMS_aux,
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.size = sizeof(RSA_PSS_PARAMS),
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.sname = "RSA_PSS_PARAMS",
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};
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RSA_PSS_PARAMS *
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d2i_RSA_PSS_PARAMS(RSA_PSS_PARAMS **a, const unsigned char **in, long len)
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{
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return (RSA_PSS_PARAMS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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&RSA_PSS_PARAMS_it);
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}
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int
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i2d_RSA_PSS_PARAMS(RSA_PSS_PARAMS *a, unsigned char **out)
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{
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSA_PSS_PARAMS_it);
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}
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RSA_PSS_PARAMS *
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RSA_PSS_PARAMS_new(void)
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{
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return (RSA_PSS_PARAMS *)ASN1_item_new(&RSA_PSS_PARAMS_it);
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}
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void
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RSA_PSS_PARAMS_free(RSA_PSS_PARAMS *a)
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{
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ASN1_item_free((ASN1_VALUE *)a, &RSA_PSS_PARAMS_it);
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}
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static int
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rsa_oaep_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, void *exarg)
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{
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/* Free up maskHash */
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if (operation == ASN1_OP_FREE_PRE) {
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RSA_OAEP_PARAMS *oaep = (RSA_OAEP_PARAMS *)*pval;
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X509_ALGOR_free(oaep->maskHash);
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}
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return 1;
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}
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static const ASN1_AUX RSA_OAEP_PARAMS_aux = {
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.app_data = NULL,
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.flags = 0,
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.ref_offset = 0,
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.ref_lock = 0,
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.asn1_cb = rsa_oaep_cb,
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.enc_offset = 0,
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};
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static const ASN1_TEMPLATE RSA_OAEP_PARAMS_seq_tt[] = {
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{
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.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
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.tag = 0,
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.offset = offsetof(RSA_OAEP_PARAMS, hashFunc),
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.field_name = "hashFunc",
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.item = &X509_ALGOR_it,
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},
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{
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.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
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.tag = 1,
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.offset = offsetof(RSA_OAEP_PARAMS, maskGenFunc),
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.field_name = "maskGenFunc",
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.item = &X509_ALGOR_it,
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},
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{
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.flags = ASN1_TFLG_EXPLICIT | ASN1_TFLG_OPTIONAL,
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.tag = 2,
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.offset = offsetof(RSA_OAEP_PARAMS, pSourceFunc),
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.field_name = "pSourceFunc",
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.item = &X509_ALGOR_it,
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},
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};
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const ASN1_ITEM RSA_OAEP_PARAMS_it = {
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.itype = ASN1_ITYPE_SEQUENCE,
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.utype = V_ASN1_SEQUENCE,
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.templates = RSA_OAEP_PARAMS_seq_tt,
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.tcount = sizeof(RSA_OAEP_PARAMS_seq_tt) / sizeof(ASN1_TEMPLATE),
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.funcs = &RSA_OAEP_PARAMS_aux,
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.size = sizeof(RSA_OAEP_PARAMS),
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.sname = "RSA_OAEP_PARAMS",
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};
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RSA_OAEP_PARAMS *
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d2i_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS **a, const unsigned char **in, long len)
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{
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return (RSA_OAEP_PARAMS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
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&RSA_OAEP_PARAMS_it);
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}
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int
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i2d_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS *a, unsigned char **out)
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{
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSA_OAEP_PARAMS_it);
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}
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RSA_OAEP_PARAMS *
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RSA_OAEP_PARAMS_new(void)
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{
|
||
|
|
return (RSA_OAEP_PARAMS *)ASN1_item_new(&RSA_OAEP_PARAMS_it);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
RSA_OAEP_PARAMS_free(RSA_OAEP_PARAMS *a)
|
||
|
|
{
|
||
|
|
ASN1_item_free((ASN1_VALUE *)a, &RSA_OAEP_PARAMS_it);
|
||
|
|
}
|
||
|
|
|
||
|
|
RSA *
|
||
|
|
d2i_RSAPrivateKey(RSA **a, const unsigned char **in, long len)
|
||
|
|
{
|
||
|
|
return (RSA *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
|
||
|
|
&RSAPrivateKey_it);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
i2d_RSAPrivateKey(const RSA *a, unsigned char **out)
|
||
|
|
{
|
||
|
|
return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSAPrivateKey_it);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
RSA *
|
||
|
|
d2i_RSAPublicKey(RSA **a, const unsigned char **in, long len)
|
||
|
|
{
|
||
|
|
return (RSA *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
|
||
|
|
&RSAPublicKey_it);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
i2d_RSAPublicKey(const RSA *a, unsigned char **out)
|
||
|
|
{
|
||
|
|
return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSAPublicKey_it);
|
||
|
|
}
|
||
|
|
|
||
|
|
RSA *
|
||
|
|
RSAPublicKey_dup(RSA *rsa)
|
||
|
|
{
|
||
|
|
return ASN1_item_dup(&RSAPublicKey_it, rsa);
|
||
|
|
}
|
||
|
|
|
||
|
|
RSA *
|
||
|
|
RSAPrivateKey_dup(RSA *rsa)
|
||
|
|
{
|
||
|
|
return ASN1_item_dup(&RSAPrivateKey_it, rsa);
|
||
|
|
}
|