mirror of
https://github.com/yuzu-emu/mbedtls.git
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558 lines
14 KiB
C
558 lines
14 KiB
C
/**
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* \file oid.c
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*
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* \brief Object Identifier (OID) database
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*
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* Copyright (C) 2006-2013, Brainspark B.V.
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*
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* This file is part of PolarSSL (http://www.polarssl.org)
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* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "polarssl/config.h"
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#if defined(POLARSSL_OID_C)
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#include "polarssl/oid.h"
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#include "polarssl/md.h"
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#include "polarssl/rsa.h"
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#include <stdio.h>
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/*
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* For X520 attribute types
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*/
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typedef struct {
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oid_descriptor_t descriptor;
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const char *short_name;
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} oid_x520_attr_t;
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static const oid_x520_attr_t oid_x520_attr_type[] =
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{
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{
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{ OID_AT_CN, "id-at-commonName", "Common Name" },
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"CN",
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},
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{
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{ OID_AT_COUNTRY, "id-at-countryName", "Country" },
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"C",
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},
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{
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{ OID_AT_LOCALITY, "id-at-locality", "Locality" },
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"L",
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},
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{
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{ OID_AT_STATE, "id-at-state", "State" },
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"ST",
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},
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{
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{ OID_AT_ORGANIZATION,"id-at-organizationName", "Organization" },
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"O",
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},
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{
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{ OID_AT_ORG_UNIT, "id-at-organizationalUnitName", "Org Unit" },
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"OU",
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},
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{
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{ OID_PKCS9_EMAIL, "emailAddress", "E-mail address" },
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"emailAddress",
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},
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{
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{ NULL, NULL, NULL },
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NULL,
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}
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};
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#if defined(POLARSSL_X509_PARSE_C) || defined(POLARSSL_X509_WRITE_C)
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/*
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* For X509 extensions
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*/
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typedef struct {
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oid_descriptor_t descriptor;
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int ext_type;
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} oid_x509_ext_t;
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static const oid_x509_ext_t oid_x509_ext[] =
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{
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{
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{ OID_BASIC_CONSTRAINTS, "id-ce-basicConstraints", "Basic Constraints" },
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EXT_BASIC_CONSTRAINTS,
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},
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{
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{ OID_KEY_USAGE, "id-ce-keyUsage", "Key Usage" },
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EXT_KEY_USAGE,
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},
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{
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{ OID_EXTENDED_KEY_USAGE, "id-ce-keyUsage", "Extended Key Usage" },
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EXT_EXTENDED_KEY_USAGE,
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},
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{
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{ OID_SUBJECT_ALT_NAME, "id-ce-subjectAltName", "Subject Alt Name" },
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EXT_SUBJECT_ALT_NAME,
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},
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{
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{ OID_NS_CERT_TYPE, "id-netscape-certtype", "Netscape Certificate Type" },
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EXT_NS_CERT_TYPE,
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},
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{
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{ NULL, NULL, NULL },
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0,
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},
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};
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static const oid_descriptor_t oid_ext_key_usage[] =
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{
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{ OID_SERVER_AUTH, "id-kp-serverAuth", "TLS Web Server Authentication" },
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{ OID_CLIENT_AUTH, "id-kp-clientAuth", "TLS Web Client Authentication" },
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{ OID_CODE_SIGNING, "id-kp-codeSigning", "Code Signing" },
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{ OID_EMAIL_PROTECTION, "id-kp-emailProtection", "E-mail Protection" },
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{ OID_TIME_STAMPING, "id-kp-timeStamping", "Time Stamping" },
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{ OID_OCSP_SIGNING, "id-kp-OCSPSigning", "OCSP Signing" },
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{ NULL, NULL, NULL },
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};
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#endif /* POLARSSL_X509_PARSE_C || POLARSSL_X509_WRITE_C */
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/*
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* For SignatureAlgorithmIdentifier
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*/
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typedef struct {
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oid_descriptor_t descriptor;
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md_type_t md_alg;
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pk_type_t pk_alg;
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} oid_sig_alg_t;
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static const oid_sig_alg_t oid_sig_alg[] =
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{
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{
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{ OID_PKCS1_MD2, "md2WithRSAEncryption", "RSA with MD2" },
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POLARSSL_MD_MD2, POLARSSL_PK_RSA,
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},
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{
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{ OID_PKCS1_MD4, "md4WithRSAEncryption", "RSA with MD4" },
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POLARSSL_MD_MD4, POLARSSL_PK_RSA,
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},
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{
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{ OID_PKCS1_MD5, "md5WithRSAEncryption", "RSA with MD5" },
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POLARSSL_MD_MD5, POLARSSL_PK_RSA,
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},
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{
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{ OID_PKCS1_SHA1, "sha-1WithRSAEncryption", "RSA with SHA1" },
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POLARSSL_MD_SHA1, POLARSSL_PK_RSA,
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},
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{
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{ OID_PKCS1_SHA224, "sha224WithRSAEncryption", "RSA with SHA-224" },
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POLARSSL_MD_SHA224, POLARSSL_PK_RSA,
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},
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{
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{ OID_PKCS1_SHA256, "sha256WithRSAEncryption", "RSA with SHA-256" },
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POLARSSL_MD_SHA256, POLARSSL_PK_RSA,
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},
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{
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{ OID_PKCS1_SHA384, "sha384WithRSAEncryption", "RSA with SHA-384" },
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POLARSSL_MD_SHA384, POLARSSL_PK_RSA,
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},
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{
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{ OID_PKCS1_SHA512, "sha512WithRSAEncryption", "RSA with SHA-512" },
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POLARSSL_MD_SHA512, POLARSSL_PK_RSA,
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},
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{
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{ OID_RSA_SHA_OBS, "sha-1WithRSAEncryption", "RSA with SHA1" },
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POLARSSL_MD_SHA1, POLARSSL_PK_RSA,
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},
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{
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{ NULL, NULL, NULL },
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0, 0,
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},
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};
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/*
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* For PublicKeyInfo
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*/
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typedef struct {
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oid_descriptor_t descriptor;
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pk_type_t pk_alg;
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} oid_pk_alg_t;
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static const oid_pk_alg_t oid_pk_alg[] =
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{
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{
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{ OID_PKCS1_RSA, "rsaEncryption", "RSA" },
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POLARSSL_PK_RSA,
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},
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{
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{ NULL, NULL, NULL },
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0,
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},
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};
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/*
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* For digestAlgorithm
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*/
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typedef struct {
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oid_descriptor_t descriptor;
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md_type_t md_alg;
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} oid_md_alg_t;
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static const oid_md_alg_t oid_md_alg[] =
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{
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{
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{ OID_DIGEST_ALG_MD2, "id-md2", "MD2" },
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POLARSSL_MD_MD2,
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},
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{
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{ OID_DIGEST_ALG_MD4, "id-md4", "MD4" },
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POLARSSL_MD_MD4,
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},
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{
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{ OID_DIGEST_ALG_MD5, "id-md5", "MD5" },
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POLARSSL_MD_MD5,
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},
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{
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{ OID_DIGEST_ALG_SHA1, "id-sha1", "SHA-1" },
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POLARSSL_MD_SHA1,
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},
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{
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{ OID_DIGEST_ALG_SHA1, "id-sha1", "SHA-1" },
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POLARSSL_MD_SHA1,
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},
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{
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{ OID_DIGEST_ALG_SHA224, "id-sha224", "SHA-224" },
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POLARSSL_MD_SHA224,
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},
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{
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{ OID_DIGEST_ALG_SHA256, "id-sha256", "SHA-256" },
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POLARSSL_MD_SHA256,
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},
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{
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{ OID_DIGEST_ALG_SHA384, "id-sha384", "SHA-384" },
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POLARSSL_MD_SHA384,
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},
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{
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{ OID_DIGEST_ALG_SHA512, "id-sha512", "SHA-512" },
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POLARSSL_MD_SHA512,
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},
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{
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{ NULL, NULL, NULL },
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0,
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},
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};
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#if defined _MSC_VER && !defined snprintf
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#include <stdarg.h>
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#if !defined vsnprintf
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#define vsnprintf _vsnprintf
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#endif // vsnprintf
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/*
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* Windows _snprintf and _vsnprintf are not compatible to linux versions.
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* Result value is not size of buffer needed, but -1 if no fit is possible.
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*
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* This fuction tries to 'fix' this by at least suggesting enlarging the
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* size by 20.
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*/
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static int compat_snprintf(char *str, size_t size, const char *format, ...)
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{
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va_list ap;
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int res = -1;
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va_start( ap, format );
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res = vsnprintf( str, size, format, ap );
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va_end( ap );
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// No quick fix possible
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if ( res < 0 )
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return( (int) size + 20 );
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return res;
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}
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#define snprintf compat_snprintf
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#endif
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#define POLARSSL_ERR_DEBUG_BUF_TOO_SMALL -2
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#define SAFE_SNPRINTF() \
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{ \
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if( ret == -1 ) \
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return( -1 ); \
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\
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if ( (unsigned int) ret > n ) { \
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p[n - 1] = '\0'; \
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return POLARSSL_ERR_DEBUG_BUF_TOO_SMALL;\
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} \
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\
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n -= (unsigned int) ret; \
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p += (unsigned int) ret; \
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}
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/* Return the x.y.z.... style numeric string for the given OID */
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int oid_get_numeric_string( char *buf, size_t size,
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const asn1_buf *oid )
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{
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int ret;
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size_t i, n;
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unsigned int value;
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char *p;
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p = buf;
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n = size;
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/* First byte contains first two dots */
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if( oid->len > 0 )
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{
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ret = snprintf( p, n, "%d.%d", oid->p[0] / 40, oid->p[0] % 40 );
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SAFE_SNPRINTF();
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}
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/* Prevent overflow in value. */
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if( oid->len > sizeof(value) )
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return( POLARSSL_ERR_DEBUG_BUF_TOO_SMALL );
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value = 0;
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for( i = 1; i < oid->len; i++ )
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{
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value <<= 7;
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value += oid->p[i] & 0x7F;
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if( !( oid->p[i] & 0x80 ) )
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{
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/* Last byte */
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ret = snprintf( p, n, ".%d", value );
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SAFE_SNPRINTF();
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value = 0;
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}
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}
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return( (int) ( size - n ) );
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}
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static const oid_descriptor_t *oid_descriptor_from_buf(
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const void *struct_set,
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size_t struct_size,
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const unsigned char *oid,
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size_t len )
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{
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const unsigned char *p = (unsigned char *) struct_set;
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const oid_descriptor_t *cur;
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if( struct_set == NULL || oid == NULL )
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return( NULL );
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cur = (const oid_descriptor_t *) p;
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while( cur->asn1 != NULL )
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{
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if( strlen( cur->asn1 ) == len &&
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memcmp( cur->asn1, oid, len ) == 0 )
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{
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return( cur );
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}
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p += struct_size;
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cur = (const oid_descriptor_t *) p;
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}
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return( NULL );
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}
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static const oid_descriptor_t *oid_descriptor_from_asn1(
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const void *struct_set,
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size_t struct_size,
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const asn1_buf *oid )
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{
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return oid_descriptor_from_buf( struct_set, struct_size,
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oid->p, oid->len );
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}
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#if defined(POLARSSL_X509_PARSE_C) || defined(POLARSSL_X509_WRITE_C)
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int oid_get_extended_key_usage( const asn1_buf *oid, const char **desc )
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{
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const oid_descriptor_t *data = oid_descriptor_from_asn1(
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oid_ext_key_usage,
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sizeof(oid_descriptor_t),
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oid );
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if( data == NULL )
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return( POLARSSL_ERR_OID_NOT_FOUND );
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*desc = data->description;
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return( 0 );
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}
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static const oid_x509_ext_t *oid_x509_ext_from_asn1( const asn1_buf *oid )
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{
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return (const oid_x509_ext_t *) oid_descriptor_from_asn1(
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oid_x509_ext,
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sizeof(oid_x509_ext_t),
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oid );
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}
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int oid_get_x509_ext_type( const asn1_buf *oid, int *ext_type )
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{
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const oid_x509_ext_t *data = oid_x509_ext_from_asn1( oid );
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if( data == NULL )
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return( POLARSSL_ERR_OID_NOT_FOUND );
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*ext_type = data->ext_type;
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return( 0 );
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}
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#endif /* POLARSSL_X509_PARSE_C || POLARSSL_X509_WRITE_C */
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static const oid_x520_attr_t *oid_x520_attr_from_asn1( const asn1_buf *oid )
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{
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return (const oid_x520_attr_t *) oid_descriptor_from_asn1(
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oid_x520_attr_type,
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sizeof(oid_x520_attr_t),
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oid );
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}
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static const oid_pk_alg_t *oid_pk_alg_from_asn1( const asn1_buf *oid )
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{
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return (const oid_pk_alg_t *) oid_descriptor_from_asn1(
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oid_pk_alg,
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sizeof(oid_pk_alg_t),
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oid );
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}
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static const oid_sig_alg_t *oid_sig_alg_from_asn1( const asn1_buf *oid )
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{
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return (const oid_sig_alg_t *) oid_descriptor_from_asn1(
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oid_sig_alg,
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sizeof(oid_sig_alg_t),
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oid );
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}
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static const oid_md_alg_t *oid_md_alg_from_asn1( const asn1_buf *oid )
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{
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return (const oid_md_alg_t *) oid_descriptor_from_asn1(
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oid_md_alg,
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sizeof(oid_md_alg_t),
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oid );
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}
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int oid_get_attr_short_name( const asn1_buf *oid, const char **short_name )
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{
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const oid_x520_attr_t *data = oid_x520_attr_from_asn1( oid );
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if( data == NULL )
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return( POLARSSL_ERR_OID_NOT_FOUND );
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*short_name = data->short_name;
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return( 0 );
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}
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int oid_get_pk_alg( const asn1_buf *oid, pk_type_t *pk_alg )
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{
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const oid_pk_alg_t *data = oid_pk_alg_from_asn1( oid );
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if( data == NULL )
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return( POLARSSL_ERR_OID_NOT_FOUND );
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*pk_alg = data->pk_alg;
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return( 0 );
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}
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int oid_get_sig_alg_desc( const asn1_buf *oid, const char **desc )
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{
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const oid_sig_alg_t *data = oid_sig_alg_from_asn1( oid );
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if( data == NULL )
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return( POLARSSL_ERR_OID_NOT_FOUND );
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*desc = data->descriptor.description;
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return( 0 );
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}
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int oid_get_sig_alg( const asn1_buf *oid,
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md_type_t *md_alg, pk_type_t *pk_alg )
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{
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const oid_sig_alg_t *data = oid_sig_alg_from_asn1( oid );
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if( data == NULL )
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return( POLARSSL_ERR_OID_NOT_FOUND );
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*md_alg = data->md_alg;
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*pk_alg = data->pk_alg;
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return( 0 );
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}
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int oid_get_oid_by_sig_alg( pk_type_t pk_alg, md_type_t md_alg,
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const char **oid_str )
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{
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const oid_sig_alg_t *cur = oid_sig_alg;
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while( cur->descriptor.asn1 != NULL )
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{
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if( cur->pk_alg == pk_alg &&
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cur->md_alg == md_alg )
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{
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*oid_str = cur->descriptor.asn1;
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return( 0 );
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}
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cur++;
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}
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return( POLARSSL_ERR_OID_NOT_FOUND );
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}
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int oid_get_md_alg( const asn1_buf *oid,
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md_type_t *md_alg )
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{
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const oid_md_alg_t *data = oid_md_alg_from_asn1( oid );
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|
|
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if( data == NULL )
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return( POLARSSL_ERR_OID_NOT_FOUND );
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|
|
|
*md_alg = data->md_alg;
|
|
|
|
return( 0 );
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|
}
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|
|
|
int oid_get_oid_by_md( md_type_t md_alg,
|
|
const char **oid_str )
|
|
{
|
|
const oid_md_alg_t *cur = oid_md_alg;
|
|
|
|
while( cur->descriptor.asn1 != NULL )
|
|
{
|
|
if( cur->md_alg == md_alg )
|
|
{
|
|
*oid_str = cur->descriptor.asn1;
|
|
return( 0 );
|
|
}
|
|
|
|
cur++;
|
|
}
|
|
|
|
return( POLARSSL_ERR_OID_NOT_FOUND );
|
|
}
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|
|
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#endif /* POLARSSL_OID_C */
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