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/* $OpenBSD: rsa_asn1.c,v 1.13 2016/12/30 15:47:07 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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/* 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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✓✓ |
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if (operation == ASN1_OP_NEW_PRE) { |
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*pval = (ASN1_VALUE *)RSA_new(); |
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✓✗ |
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if (*pval) |
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return 2; |
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return 0; |
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✗✓ |
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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 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 = NULL, |
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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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RSA * |
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d2i_RSAPrivateKey(RSA **a, const unsigned char **in, long len) |
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{ |
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return (RSA *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, |
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&RSAPrivateKey_it); |
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} |
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int |
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i2d_RSAPrivateKey(const RSA *a, unsigned char **out) |
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{ |
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSAPrivateKey_it); |
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} |
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RSA * |
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d2i_RSAPublicKey(RSA **a, const unsigned char **in, long len) |
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{ |
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return (RSA *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, |
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&RSAPublicKey_it); |
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} |
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int |
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i2d_RSAPublicKey(const RSA *a, unsigned char **out) |
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{ |
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return ASN1_item_i2d((ASN1_VALUE *)a, out, &RSAPublicKey_it); |
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} |
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RSA * |
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RSAPublicKey_dup(RSA *rsa) |
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{ |
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return ASN1_item_dup(&RSAPublicKey_it, rsa); |
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} |
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RSA * |
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RSAPrivateKey_dup(RSA *rsa) |
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{ |
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return ASN1_item_dup(&RSAPrivateKey_it, rsa); |
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} |