mbedtls ported to mbed-classic
Fork of mbedtls by
source/x509.c@4:bef26f687287, 2016-04-07 (annotated)
- Committer:
- Brian Daniels
- Date:
- Thu Apr 07 11:11:18 2016 +0100
- Revision:
- 4:bef26f687287
- Parent:
- 1:24750b9ad5ef
Adding ported selftest test case
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Christopher Haster |
1:24750b9ad5ef | 1 | /* |
Christopher Haster |
1:24750b9ad5ef | 2 | * X.509 common functions for parsing and verification |
Christopher Haster |
1:24750b9ad5ef | 3 | * |
Christopher Haster |
1:24750b9ad5ef | 4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
Christopher Haster |
1:24750b9ad5ef | 5 | * SPDX-License-Identifier: Apache-2.0 |
Christopher Haster |
1:24750b9ad5ef | 6 | * |
Christopher Haster |
1:24750b9ad5ef | 7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
Christopher Haster |
1:24750b9ad5ef | 8 | * not use this file except in compliance with the License. |
Christopher Haster |
1:24750b9ad5ef | 9 | * You may obtain a copy of the License at |
Christopher Haster |
1:24750b9ad5ef | 10 | * |
Christopher Haster |
1:24750b9ad5ef | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
Christopher Haster |
1:24750b9ad5ef | 12 | * |
Christopher Haster |
1:24750b9ad5ef | 13 | * Unless required by applicable law or agreed to in writing, software |
Christopher Haster |
1:24750b9ad5ef | 14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
Christopher Haster |
1:24750b9ad5ef | 15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Christopher Haster |
1:24750b9ad5ef | 16 | * See the License for the specific language governing permissions and |
Christopher Haster |
1:24750b9ad5ef | 17 | * limitations under the License. |
Christopher Haster |
1:24750b9ad5ef | 18 | * |
Christopher Haster |
1:24750b9ad5ef | 19 | * This file is part of mbed TLS (https://tls.mbed.org) |
Christopher Haster |
1:24750b9ad5ef | 20 | */ |
Christopher Haster |
1:24750b9ad5ef | 21 | /* |
Christopher Haster |
1:24750b9ad5ef | 22 | * The ITU-T X.509 standard defines a certificate format for PKI. |
Christopher Haster |
1:24750b9ad5ef | 23 | * |
Christopher Haster |
1:24750b9ad5ef | 24 | * http://www.ietf.org/rfc/rfc5280.txt (Certificates and CRLs) |
Christopher Haster |
1:24750b9ad5ef | 25 | * http://www.ietf.org/rfc/rfc3279.txt (Alg IDs for CRLs) |
Christopher Haster |
1:24750b9ad5ef | 26 | * http://www.ietf.org/rfc/rfc2986.txt (CSRs, aka PKCS#10) |
Christopher Haster |
1:24750b9ad5ef | 27 | * |
Christopher Haster |
1:24750b9ad5ef | 28 | * http://www.itu.int/ITU-T/studygroups/com17/languages/X.680-0207.pdf |
Christopher Haster |
1:24750b9ad5ef | 29 | * http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf |
Christopher Haster |
1:24750b9ad5ef | 30 | */ |
Christopher Haster |
1:24750b9ad5ef | 31 | |
Christopher Haster |
1:24750b9ad5ef | 32 | #if !defined(MBEDTLS_CONFIG_FILE) |
Christopher Haster |
1:24750b9ad5ef | 33 | #include "mbedtls/config.h" |
Christopher Haster |
1:24750b9ad5ef | 34 | #else |
Christopher Haster |
1:24750b9ad5ef | 35 | #include MBEDTLS_CONFIG_FILE |
Christopher Haster |
1:24750b9ad5ef | 36 | #endif |
Christopher Haster |
1:24750b9ad5ef | 37 | |
Christopher Haster |
1:24750b9ad5ef | 38 | #if defined(MBEDTLS_X509_USE_C) |
Christopher Haster |
1:24750b9ad5ef | 39 | |
Christopher Haster |
1:24750b9ad5ef | 40 | #include "mbedtls/x509.h" |
Christopher Haster |
1:24750b9ad5ef | 41 | #include "mbedtls/asn1.h" |
Christopher Haster |
1:24750b9ad5ef | 42 | #include "mbedtls/oid.h" |
Christopher Haster |
1:24750b9ad5ef | 43 | |
Christopher Haster |
1:24750b9ad5ef | 44 | #include <stdio.h> |
Christopher Haster |
1:24750b9ad5ef | 45 | #include <string.h> |
Christopher Haster |
1:24750b9ad5ef | 46 | |
Christopher Haster |
1:24750b9ad5ef | 47 | #if defined(MBEDTLS_PEM_PARSE_C) |
Christopher Haster |
1:24750b9ad5ef | 48 | #include "mbedtls/pem.h" |
Christopher Haster |
1:24750b9ad5ef | 49 | #endif |
Christopher Haster |
1:24750b9ad5ef | 50 | |
Christopher Haster |
1:24750b9ad5ef | 51 | #if defined(MBEDTLS_PLATFORM_C) |
Christopher Haster |
1:24750b9ad5ef | 52 | #include "mbedtls/platform.h" |
Christopher Haster |
1:24750b9ad5ef | 53 | #else |
Christopher Haster |
1:24750b9ad5ef | 54 | #include <stdio.h> |
Christopher Haster |
1:24750b9ad5ef | 55 | #include <stdlib.h> |
Christopher Haster |
1:24750b9ad5ef | 56 | #define mbedtls_free free |
Christopher Haster |
1:24750b9ad5ef | 57 | #define mbedtls_calloc calloc |
Christopher Haster |
1:24750b9ad5ef | 58 | #define mbedtls_printf printf |
Christopher Haster |
1:24750b9ad5ef | 59 | #define mbedtls_snprintf snprintf |
Christopher Haster |
1:24750b9ad5ef | 60 | #endif |
Christopher Haster |
1:24750b9ad5ef | 61 | |
Christopher Haster |
1:24750b9ad5ef | 62 | #if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) |
Christopher Haster |
1:24750b9ad5ef | 63 | #include <windows.h> |
Christopher Haster |
1:24750b9ad5ef | 64 | #else |
Christopher Haster |
1:24750b9ad5ef | 65 | #include <time.h> |
Christopher Haster |
1:24750b9ad5ef | 66 | #endif |
Christopher Haster |
1:24750b9ad5ef | 67 | |
Christopher Haster |
1:24750b9ad5ef | 68 | #if defined(MBEDTLS_FS_IO) |
Christopher Haster |
1:24750b9ad5ef | 69 | #include <stdio.h> |
Christopher Haster |
1:24750b9ad5ef | 70 | #if !defined(_WIN32) |
Christopher Haster |
1:24750b9ad5ef | 71 | #include <sys/types.h> |
Christopher Haster |
1:24750b9ad5ef | 72 | #include <sys/stat.h> |
Christopher Haster |
1:24750b9ad5ef | 73 | #include <dirent.h> |
Christopher Haster |
1:24750b9ad5ef | 74 | #endif |
Christopher Haster |
1:24750b9ad5ef | 75 | #endif |
Christopher Haster |
1:24750b9ad5ef | 76 | |
Christopher Haster |
1:24750b9ad5ef | 77 | #define CHECK(code) if( ( ret = code ) != 0 ){ return( ret ); } |
Christopher Haster |
1:24750b9ad5ef | 78 | |
Christopher Haster |
1:24750b9ad5ef | 79 | /* |
Christopher Haster |
1:24750b9ad5ef | 80 | * CertificateSerialNumber ::= INTEGER |
Christopher Haster |
1:24750b9ad5ef | 81 | */ |
Christopher Haster |
1:24750b9ad5ef | 82 | int mbedtls_x509_get_serial( unsigned char **p, const unsigned char *end, |
Christopher Haster |
1:24750b9ad5ef | 83 | mbedtls_x509_buf *serial ) |
Christopher Haster |
1:24750b9ad5ef | 84 | { |
Christopher Haster |
1:24750b9ad5ef | 85 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 86 | |
Christopher Haster |
1:24750b9ad5ef | 87 | if( ( end - *p ) < 1 ) |
Christopher Haster |
1:24750b9ad5ef | 88 | return( MBEDTLS_ERR_X509_INVALID_SERIAL + |
Christopher Haster |
1:24750b9ad5ef | 89 | MBEDTLS_ERR_ASN1_OUT_OF_DATA ); |
Christopher Haster |
1:24750b9ad5ef | 90 | |
Christopher Haster |
1:24750b9ad5ef | 91 | if( **p != ( MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_PRIMITIVE | 2 ) && |
Christopher Haster |
1:24750b9ad5ef | 92 | **p != MBEDTLS_ASN1_INTEGER ) |
Christopher Haster |
1:24750b9ad5ef | 93 | return( MBEDTLS_ERR_X509_INVALID_SERIAL + |
Christopher Haster |
1:24750b9ad5ef | 94 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ); |
Christopher Haster |
1:24750b9ad5ef | 95 | |
Christopher Haster |
1:24750b9ad5ef | 96 | serial->tag = *(*p)++; |
Christopher Haster |
1:24750b9ad5ef | 97 | |
Christopher Haster |
1:24750b9ad5ef | 98 | if( ( ret = mbedtls_asn1_get_len( p, end, &serial->len ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 99 | return( MBEDTLS_ERR_X509_INVALID_SERIAL + ret ); |
Christopher Haster |
1:24750b9ad5ef | 100 | |
Christopher Haster |
1:24750b9ad5ef | 101 | serial->p = *p; |
Christopher Haster |
1:24750b9ad5ef | 102 | *p += serial->len; |
Christopher Haster |
1:24750b9ad5ef | 103 | |
Christopher Haster |
1:24750b9ad5ef | 104 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 105 | } |
Christopher Haster |
1:24750b9ad5ef | 106 | |
Christopher Haster |
1:24750b9ad5ef | 107 | /* Get an algorithm identifier without parameters (eg for signatures) |
Christopher Haster |
1:24750b9ad5ef | 108 | * |
Christopher Haster |
1:24750b9ad5ef | 109 | * AlgorithmIdentifier ::= SEQUENCE { |
Christopher Haster |
1:24750b9ad5ef | 110 | * algorithm OBJECT IDENTIFIER, |
Christopher Haster |
1:24750b9ad5ef | 111 | * parameters ANY DEFINED BY algorithm OPTIONAL } |
Christopher Haster |
1:24750b9ad5ef | 112 | */ |
Christopher Haster |
1:24750b9ad5ef | 113 | int mbedtls_x509_get_alg_null( unsigned char **p, const unsigned char *end, |
Christopher Haster |
1:24750b9ad5ef | 114 | mbedtls_x509_buf *alg ) |
Christopher Haster |
1:24750b9ad5ef | 115 | { |
Christopher Haster |
1:24750b9ad5ef | 116 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 117 | |
Christopher Haster |
1:24750b9ad5ef | 118 | if( ( ret = mbedtls_asn1_get_alg_null( p, end, alg ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 119 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 120 | |
Christopher Haster |
1:24750b9ad5ef | 121 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 122 | } |
Christopher Haster |
1:24750b9ad5ef | 123 | |
Christopher Haster |
1:24750b9ad5ef | 124 | /* |
Christopher Haster |
1:24750b9ad5ef | 125 | * Parse an algorithm identifier with (optional) paramaters |
Christopher Haster |
1:24750b9ad5ef | 126 | */ |
Christopher Haster |
1:24750b9ad5ef | 127 | int mbedtls_x509_get_alg( unsigned char **p, const unsigned char *end, |
Christopher Haster |
1:24750b9ad5ef | 128 | mbedtls_x509_buf *alg, mbedtls_x509_buf *params ) |
Christopher Haster |
1:24750b9ad5ef | 129 | { |
Christopher Haster |
1:24750b9ad5ef | 130 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 131 | |
Christopher Haster |
1:24750b9ad5ef | 132 | if( ( ret = mbedtls_asn1_get_alg( p, end, alg, params ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 133 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 134 | |
Christopher Haster |
1:24750b9ad5ef | 135 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 136 | } |
Christopher Haster |
1:24750b9ad5ef | 137 | |
Christopher Haster |
1:24750b9ad5ef | 138 | #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) |
Christopher Haster |
1:24750b9ad5ef | 139 | /* |
Christopher Haster |
1:24750b9ad5ef | 140 | * HashAlgorithm ::= AlgorithmIdentifier |
Christopher Haster |
1:24750b9ad5ef | 141 | * |
Christopher Haster |
1:24750b9ad5ef | 142 | * AlgorithmIdentifier ::= SEQUENCE { |
Christopher Haster |
1:24750b9ad5ef | 143 | * algorithm OBJECT IDENTIFIER, |
Christopher Haster |
1:24750b9ad5ef | 144 | * parameters ANY DEFINED BY algorithm OPTIONAL } |
Christopher Haster |
1:24750b9ad5ef | 145 | * |
Christopher Haster |
1:24750b9ad5ef | 146 | * For HashAlgorithm, parameters MUST be NULL or absent. |
Christopher Haster |
1:24750b9ad5ef | 147 | */ |
Christopher Haster |
1:24750b9ad5ef | 148 | static int x509_get_hash_alg( const mbedtls_x509_buf *alg, mbedtls_md_type_t *md_alg ) |
Christopher Haster |
1:24750b9ad5ef | 149 | { |
Christopher Haster |
1:24750b9ad5ef | 150 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 151 | unsigned char *p; |
Christopher Haster |
1:24750b9ad5ef | 152 | const unsigned char *end; |
Christopher Haster |
1:24750b9ad5ef | 153 | mbedtls_x509_buf md_oid; |
Christopher Haster |
1:24750b9ad5ef | 154 | size_t len; |
Christopher Haster |
1:24750b9ad5ef | 155 | |
Christopher Haster |
1:24750b9ad5ef | 156 | /* Make sure we got a SEQUENCE and setup bounds */ |
Christopher Haster |
1:24750b9ad5ef | 157 | if( alg->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) |
Christopher Haster |
1:24750b9ad5ef | 158 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 159 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ); |
Christopher Haster |
1:24750b9ad5ef | 160 | |
Christopher Haster |
1:24750b9ad5ef | 161 | p = (unsigned char *) alg->p; |
Christopher Haster |
1:24750b9ad5ef | 162 | end = p + alg->len; |
Christopher Haster |
1:24750b9ad5ef | 163 | |
Christopher Haster |
1:24750b9ad5ef | 164 | if( p >= end ) |
Christopher Haster |
1:24750b9ad5ef | 165 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 166 | MBEDTLS_ERR_ASN1_OUT_OF_DATA ); |
Christopher Haster |
1:24750b9ad5ef | 167 | |
Christopher Haster |
1:24750b9ad5ef | 168 | /* Parse md_oid */ |
Christopher Haster |
1:24750b9ad5ef | 169 | md_oid.tag = *p; |
Christopher Haster |
1:24750b9ad5ef | 170 | |
Christopher Haster |
1:24750b9ad5ef | 171 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &md_oid.len, MBEDTLS_ASN1_OID ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 172 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 173 | |
Christopher Haster |
1:24750b9ad5ef | 174 | md_oid.p = p; |
Christopher Haster |
1:24750b9ad5ef | 175 | p += md_oid.len; |
Christopher Haster |
1:24750b9ad5ef | 176 | |
Christopher Haster |
1:24750b9ad5ef | 177 | /* Get md_alg from md_oid */ |
Christopher Haster |
1:24750b9ad5ef | 178 | if( ( ret = mbedtls_oid_get_md_alg( &md_oid, md_alg ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 179 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 180 | |
Christopher Haster |
1:24750b9ad5ef | 181 | /* Make sure params is absent of NULL */ |
Christopher Haster |
1:24750b9ad5ef | 182 | if( p == end ) |
Christopher Haster |
1:24750b9ad5ef | 183 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 184 | |
Christopher Haster |
1:24750b9ad5ef | 185 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_NULL ) ) != 0 || len != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 186 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 187 | |
Christopher Haster |
1:24750b9ad5ef | 188 | if( p != end ) |
Christopher Haster |
1:24750b9ad5ef | 189 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 190 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ); |
Christopher Haster |
1:24750b9ad5ef | 191 | |
Christopher Haster |
1:24750b9ad5ef | 192 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 193 | } |
Christopher Haster |
1:24750b9ad5ef | 194 | |
Christopher Haster |
1:24750b9ad5ef | 195 | /* |
Christopher Haster |
1:24750b9ad5ef | 196 | * RSASSA-PSS-params ::= SEQUENCE { |
Christopher Haster |
1:24750b9ad5ef | 197 | * hashAlgorithm [0] HashAlgorithm DEFAULT sha1Identifier, |
Christopher Haster |
1:24750b9ad5ef | 198 | * maskGenAlgorithm [1] MaskGenAlgorithm DEFAULT mgf1SHA1Identifier, |
Christopher Haster |
1:24750b9ad5ef | 199 | * saltLength [2] INTEGER DEFAULT 20, |
Christopher Haster |
1:24750b9ad5ef | 200 | * trailerField [3] INTEGER DEFAULT 1 } |
Christopher Haster |
1:24750b9ad5ef | 201 | * -- Note that the tags in this Sequence are explicit. |
Christopher Haster |
1:24750b9ad5ef | 202 | * |
Christopher Haster |
1:24750b9ad5ef | 203 | * RFC 4055 (which defines use of RSASSA-PSS in PKIX) states that the value |
Christopher Haster |
1:24750b9ad5ef | 204 | * of trailerField MUST be 1, and PKCS#1 v2.2 doesn't even define any other |
Christopher Haster |
1:24750b9ad5ef | 205 | * option. Enfore this at parsing time. |
Christopher Haster |
1:24750b9ad5ef | 206 | */ |
Christopher Haster |
1:24750b9ad5ef | 207 | int mbedtls_x509_get_rsassa_pss_params( const mbedtls_x509_buf *params, |
Christopher Haster |
1:24750b9ad5ef | 208 | mbedtls_md_type_t *md_alg, mbedtls_md_type_t *mgf_md, |
Christopher Haster |
1:24750b9ad5ef | 209 | int *salt_len ) |
Christopher Haster |
1:24750b9ad5ef | 210 | { |
Christopher Haster |
1:24750b9ad5ef | 211 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 212 | unsigned char *p; |
Christopher Haster |
1:24750b9ad5ef | 213 | const unsigned char *end, *end2; |
Christopher Haster |
1:24750b9ad5ef | 214 | size_t len; |
Christopher Haster |
1:24750b9ad5ef | 215 | mbedtls_x509_buf alg_id, alg_params; |
Christopher Haster |
1:24750b9ad5ef | 216 | |
Christopher Haster |
1:24750b9ad5ef | 217 | /* First set everything to defaults */ |
Christopher Haster |
1:24750b9ad5ef | 218 | *md_alg = MBEDTLS_MD_SHA1; |
Christopher Haster |
1:24750b9ad5ef | 219 | *mgf_md = MBEDTLS_MD_SHA1; |
Christopher Haster |
1:24750b9ad5ef | 220 | *salt_len = 20; |
Christopher Haster |
1:24750b9ad5ef | 221 | |
Christopher Haster |
1:24750b9ad5ef | 222 | /* Make sure params is a SEQUENCE and setup bounds */ |
Christopher Haster |
1:24750b9ad5ef | 223 | if( params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) |
Christopher Haster |
1:24750b9ad5ef | 224 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 225 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ); |
Christopher Haster |
1:24750b9ad5ef | 226 | |
Christopher Haster |
1:24750b9ad5ef | 227 | p = (unsigned char *) params->p; |
Christopher Haster |
1:24750b9ad5ef | 228 | end = p + params->len; |
Christopher Haster |
1:24750b9ad5ef | 229 | |
Christopher Haster |
1:24750b9ad5ef | 230 | if( p == end ) |
Christopher Haster |
1:24750b9ad5ef | 231 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 232 | |
Christopher Haster |
1:24750b9ad5ef | 233 | /* |
Christopher Haster |
1:24750b9ad5ef | 234 | * HashAlgorithm |
Christopher Haster |
1:24750b9ad5ef | 235 | */ |
Christopher Haster |
1:24750b9ad5ef | 236 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, |
Christopher Haster |
1:24750b9ad5ef | 237 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 0 ) ) == 0 ) |
Christopher Haster |
1:24750b9ad5ef | 238 | { |
Christopher Haster |
1:24750b9ad5ef | 239 | end2 = p + len; |
Christopher Haster |
1:24750b9ad5ef | 240 | |
Christopher Haster |
1:24750b9ad5ef | 241 | /* HashAlgorithm ::= AlgorithmIdentifier (without parameters) */ |
Christopher Haster |
1:24750b9ad5ef | 242 | if( ( ret = mbedtls_x509_get_alg_null( &p, end2, &alg_id ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 243 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 244 | |
Christopher Haster |
1:24750b9ad5ef | 245 | if( ( ret = mbedtls_oid_get_md_alg( &alg_id, md_alg ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 246 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 247 | |
Christopher Haster |
1:24750b9ad5ef | 248 | if( p != end2 ) |
Christopher Haster |
1:24750b9ad5ef | 249 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 250 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ); |
Christopher Haster |
1:24750b9ad5ef | 251 | } |
Christopher Haster |
1:24750b9ad5ef | 252 | else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) |
Christopher Haster |
1:24750b9ad5ef | 253 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 254 | |
Christopher Haster |
1:24750b9ad5ef | 255 | if( p == end ) |
Christopher Haster |
1:24750b9ad5ef | 256 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 257 | |
Christopher Haster |
1:24750b9ad5ef | 258 | /* |
Christopher Haster |
1:24750b9ad5ef | 259 | * MaskGenAlgorithm |
Christopher Haster |
1:24750b9ad5ef | 260 | */ |
Christopher Haster |
1:24750b9ad5ef | 261 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, |
Christopher Haster |
1:24750b9ad5ef | 262 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 1 ) ) == 0 ) |
Christopher Haster |
1:24750b9ad5ef | 263 | { |
Christopher Haster |
1:24750b9ad5ef | 264 | end2 = p + len; |
Christopher Haster |
1:24750b9ad5ef | 265 | |
Christopher Haster |
1:24750b9ad5ef | 266 | /* MaskGenAlgorithm ::= AlgorithmIdentifier (params = HashAlgorithm) */ |
Christopher Haster |
1:24750b9ad5ef | 267 | if( ( ret = mbedtls_x509_get_alg( &p, end2, &alg_id, &alg_params ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 268 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 269 | |
Christopher Haster |
1:24750b9ad5ef | 270 | /* Only MFG1 is recognised for now */ |
Christopher Haster |
1:24750b9ad5ef | 271 | if( MBEDTLS_OID_CMP( MBEDTLS_OID_MGF1, &alg_id ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 272 | return( MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE + |
Christopher Haster |
1:24750b9ad5ef | 273 | MBEDTLS_ERR_OID_NOT_FOUND ); |
Christopher Haster |
1:24750b9ad5ef | 274 | |
Christopher Haster |
1:24750b9ad5ef | 275 | /* Parse HashAlgorithm */ |
Christopher Haster |
1:24750b9ad5ef | 276 | if( ( ret = x509_get_hash_alg( &alg_params, mgf_md ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 277 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 278 | |
Christopher Haster |
1:24750b9ad5ef | 279 | if( p != end2 ) |
Christopher Haster |
1:24750b9ad5ef | 280 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 281 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ); |
Christopher Haster |
1:24750b9ad5ef | 282 | } |
Christopher Haster |
1:24750b9ad5ef | 283 | else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) |
Christopher Haster |
1:24750b9ad5ef | 284 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 285 | |
Christopher Haster |
1:24750b9ad5ef | 286 | if( p == end ) |
Christopher Haster |
1:24750b9ad5ef | 287 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 288 | |
Christopher Haster |
1:24750b9ad5ef | 289 | /* |
Christopher Haster |
1:24750b9ad5ef | 290 | * salt_len |
Christopher Haster |
1:24750b9ad5ef | 291 | */ |
Christopher Haster |
1:24750b9ad5ef | 292 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, |
Christopher Haster |
1:24750b9ad5ef | 293 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 2 ) ) == 0 ) |
Christopher Haster |
1:24750b9ad5ef | 294 | { |
Christopher Haster |
1:24750b9ad5ef | 295 | end2 = p + len; |
Christopher Haster |
1:24750b9ad5ef | 296 | |
Christopher Haster |
1:24750b9ad5ef | 297 | if( ( ret = mbedtls_asn1_get_int( &p, end2, salt_len ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 298 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 299 | |
Christopher Haster |
1:24750b9ad5ef | 300 | if( p != end2 ) |
Christopher Haster |
1:24750b9ad5ef | 301 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 302 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ); |
Christopher Haster |
1:24750b9ad5ef | 303 | } |
Christopher Haster |
1:24750b9ad5ef | 304 | else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) |
Christopher Haster |
1:24750b9ad5ef | 305 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 306 | |
Christopher Haster |
1:24750b9ad5ef | 307 | if( p == end ) |
Christopher Haster |
1:24750b9ad5ef | 308 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 309 | |
Christopher Haster |
1:24750b9ad5ef | 310 | /* |
Christopher Haster |
1:24750b9ad5ef | 311 | * trailer_field (if present, must be 1) |
Christopher Haster |
1:24750b9ad5ef | 312 | */ |
Christopher Haster |
1:24750b9ad5ef | 313 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, |
Christopher Haster |
1:24750b9ad5ef | 314 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 3 ) ) == 0 ) |
Christopher Haster |
1:24750b9ad5ef | 315 | { |
Christopher Haster |
1:24750b9ad5ef | 316 | int trailer_field; |
Christopher Haster |
1:24750b9ad5ef | 317 | |
Christopher Haster |
1:24750b9ad5ef | 318 | end2 = p + len; |
Christopher Haster |
1:24750b9ad5ef | 319 | |
Christopher Haster |
1:24750b9ad5ef | 320 | if( ( ret = mbedtls_asn1_get_int( &p, end2, &trailer_field ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 321 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 322 | |
Christopher Haster |
1:24750b9ad5ef | 323 | if( p != end2 ) |
Christopher Haster |
1:24750b9ad5ef | 324 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 325 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ); |
Christopher Haster |
1:24750b9ad5ef | 326 | |
Christopher Haster |
1:24750b9ad5ef | 327 | if( trailer_field != 1 ) |
Christopher Haster |
1:24750b9ad5ef | 328 | return( MBEDTLS_ERR_X509_INVALID_ALG ); |
Christopher Haster |
1:24750b9ad5ef | 329 | } |
Christopher Haster |
1:24750b9ad5ef | 330 | else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) |
Christopher Haster |
1:24750b9ad5ef | 331 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 332 | |
Christopher Haster |
1:24750b9ad5ef | 333 | if( p != end ) |
Christopher Haster |
1:24750b9ad5ef | 334 | return( MBEDTLS_ERR_X509_INVALID_ALG + |
Christopher Haster |
1:24750b9ad5ef | 335 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ); |
Christopher Haster |
1:24750b9ad5ef | 336 | |
Christopher Haster |
1:24750b9ad5ef | 337 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 338 | } |
Christopher Haster |
1:24750b9ad5ef | 339 | #endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */ |
Christopher Haster |
1:24750b9ad5ef | 340 | |
Christopher Haster |
1:24750b9ad5ef | 341 | /* |
Christopher Haster |
1:24750b9ad5ef | 342 | * AttributeTypeAndValue ::= SEQUENCE { |
Christopher Haster |
1:24750b9ad5ef | 343 | * type AttributeType, |
Christopher Haster |
1:24750b9ad5ef | 344 | * value AttributeValue } |
Christopher Haster |
1:24750b9ad5ef | 345 | * |
Christopher Haster |
1:24750b9ad5ef | 346 | * AttributeType ::= OBJECT IDENTIFIER |
Christopher Haster |
1:24750b9ad5ef | 347 | * |
Christopher Haster |
1:24750b9ad5ef | 348 | * AttributeValue ::= ANY DEFINED BY AttributeType |
Christopher Haster |
1:24750b9ad5ef | 349 | */ |
Christopher Haster |
1:24750b9ad5ef | 350 | static int x509_get_attr_type_value( unsigned char **p, |
Christopher Haster |
1:24750b9ad5ef | 351 | const unsigned char *end, |
Christopher Haster |
1:24750b9ad5ef | 352 | mbedtls_x509_name *cur ) |
Christopher Haster |
1:24750b9ad5ef | 353 | { |
Christopher Haster |
1:24750b9ad5ef | 354 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 355 | size_t len; |
Christopher Haster |
1:24750b9ad5ef | 356 | mbedtls_x509_buf *oid; |
Christopher Haster |
1:24750b9ad5ef | 357 | mbedtls_x509_buf *val; |
Christopher Haster |
1:24750b9ad5ef | 358 | |
Christopher Haster |
1:24750b9ad5ef | 359 | if( ( ret = mbedtls_asn1_get_tag( p, end, &len, |
Christopher Haster |
1:24750b9ad5ef | 360 | MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 361 | return( MBEDTLS_ERR_X509_INVALID_NAME + ret ); |
Christopher Haster |
1:24750b9ad5ef | 362 | |
Christopher Haster |
1:24750b9ad5ef | 363 | if( ( end - *p ) < 1 ) |
Christopher Haster |
1:24750b9ad5ef | 364 | return( MBEDTLS_ERR_X509_INVALID_NAME + |
Christopher Haster |
1:24750b9ad5ef | 365 | MBEDTLS_ERR_ASN1_OUT_OF_DATA ); |
Christopher Haster |
1:24750b9ad5ef | 366 | |
Christopher Haster |
1:24750b9ad5ef | 367 | oid = &cur->oid; |
Christopher Haster |
1:24750b9ad5ef | 368 | oid->tag = **p; |
Christopher Haster |
1:24750b9ad5ef | 369 | |
Christopher Haster |
1:24750b9ad5ef | 370 | if( ( ret = mbedtls_asn1_get_tag( p, end, &oid->len, MBEDTLS_ASN1_OID ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 371 | return( MBEDTLS_ERR_X509_INVALID_NAME + ret ); |
Christopher Haster |
1:24750b9ad5ef | 372 | |
Christopher Haster |
1:24750b9ad5ef | 373 | oid->p = *p; |
Christopher Haster |
1:24750b9ad5ef | 374 | *p += oid->len; |
Christopher Haster |
1:24750b9ad5ef | 375 | |
Christopher Haster |
1:24750b9ad5ef | 376 | if( ( end - *p ) < 1 ) |
Christopher Haster |
1:24750b9ad5ef | 377 | return( MBEDTLS_ERR_X509_INVALID_NAME + |
Christopher Haster |
1:24750b9ad5ef | 378 | MBEDTLS_ERR_ASN1_OUT_OF_DATA ); |
Christopher Haster |
1:24750b9ad5ef | 379 | |
Christopher Haster |
1:24750b9ad5ef | 380 | if( **p != MBEDTLS_ASN1_BMP_STRING && **p != MBEDTLS_ASN1_UTF8_STRING && |
Christopher Haster |
1:24750b9ad5ef | 381 | **p != MBEDTLS_ASN1_T61_STRING && **p != MBEDTLS_ASN1_PRINTABLE_STRING && |
Christopher Haster |
1:24750b9ad5ef | 382 | **p != MBEDTLS_ASN1_IA5_STRING && **p != MBEDTLS_ASN1_UNIVERSAL_STRING && |
Christopher Haster |
1:24750b9ad5ef | 383 | **p != MBEDTLS_ASN1_BIT_STRING ) |
Christopher Haster |
1:24750b9ad5ef | 384 | return( MBEDTLS_ERR_X509_INVALID_NAME + |
Christopher Haster |
1:24750b9ad5ef | 385 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ); |
Christopher Haster |
1:24750b9ad5ef | 386 | |
Christopher Haster |
1:24750b9ad5ef | 387 | val = &cur->val; |
Christopher Haster |
1:24750b9ad5ef | 388 | val->tag = *(*p)++; |
Christopher Haster |
1:24750b9ad5ef | 389 | |
Christopher Haster |
1:24750b9ad5ef | 390 | if( ( ret = mbedtls_asn1_get_len( p, end, &val->len ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 391 | return( MBEDTLS_ERR_X509_INVALID_NAME + ret ); |
Christopher Haster |
1:24750b9ad5ef | 392 | |
Christopher Haster |
1:24750b9ad5ef | 393 | val->p = *p; |
Christopher Haster |
1:24750b9ad5ef | 394 | *p += val->len; |
Christopher Haster |
1:24750b9ad5ef | 395 | |
Christopher Haster |
1:24750b9ad5ef | 396 | cur->next = NULL; |
Christopher Haster |
1:24750b9ad5ef | 397 | |
Christopher Haster |
1:24750b9ad5ef | 398 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 399 | } |
Christopher Haster |
1:24750b9ad5ef | 400 | |
Christopher Haster |
1:24750b9ad5ef | 401 | /* |
Christopher Haster |
1:24750b9ad5ef | 402 | * Name ::= CHOICE { -- only one possibility for now -- |
Christopher Haster |
1:24750b9ad5ef | 403 | * rdnSequence RDNSequence } |
Christopher Haster |
1:24750b9ad5ef | 404 | * |
Christopher Haster |
1:24750b9ad5ef | 405 | * RDNSequence ::= SEQUENCE OF RelativeDistinguishedName |
Christopher Haster |
1:24750b9ad5ef | 406 | * |
Christopher Haster |
1:24750b9ad5ef | 407 | * RelativeDistinguishedName ::= |
Christopher Haster |
1:24750b9ad5ef | 408 | * SET OF AttributeTypeAndValue |
Christopher Haster |
1:24750b9ad5ef | 409 | * |
Christopher Haster |
1:24750b9ad5ef | 410 | * AttributeTypeAndValue ::= SEQUENCE { |
Christopher Haster |
1:24750b9ad5ef | 411 | * type AttributeType, |
Christopher Haster |
1:24750b9ad5ef | 412 | * value AttributeValue } |
Christopher Haster |
1:24750b9ad5ef | 413 | * |
Christopher Haster |
1:24750b9ad5ef | 414 | * AttributeType ::= OBJECT IDENTIFIER |
Christopher Haster |
1:24750b9ad5ef | 415 | * |
Christopher Haster |
1:24750b9ad5ef | 416 | * AttributeValue ::= ANY DEFINED BY AttributeType |
Christopher Haster |
1:24750b9ad5ef | 417 | * |
Christopher Haster |
1:24750b9ad5ef | 418 | * The data structure is optimized for the common case where each RDN has only |
Christopher Haster |
1:24750b9ad5ef | 419 | * one element, which is represented as a list of AttributeTypeAndValue. |
Christopher Haster |
1:24750b9ad5ef | 420 | * For the general case we still use a flat list, but we mark elements of the |
Christopher Haster |
1:24750b9ad5ef | 421 | * same set so that they are "merged" together in the functions that consume |
Christopher Haster |
1:24750b9ad5ef | 422 | * this list, eg mbedtls_x509_dn_gets(). |
Christopher Haster |
1:24750b9ad5ef | 423 | */ |
Christopher Haster |
1:24750b9ad5ef | 424 | int mbedtls_x509_get_name( unsigned char **p, const unsigned char *end, |
Christopher Haster |
1:24750b9ad5ef | 425 | mbedtls_x509_name *cur ) |
Christopher Haster |
1:24750b9ad5ef | 426 | { |
Christopher Haster |
1:24750b9ad5ef | 427 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 428 | size_t set_len; |
Christopher Haster |
1:24750b9ad5ef | 429 | const unsigned char *end_set; |
Christopher Haster |
1:24750b9ad5ef | 430 | |
Christopher Haster |
1:24750b9ad5ef | 431 | /* don't use recursion, we'd risk stack overflow if not optimized */ |
Christopher Haster |
1:24750b9ad5ef | 432 | while( 1 ) |
Christopher Haster |
1:24750b9ad5ef | 433 | { |
Christopher Haster |
1:24750b9ad5ef | 434 | /* |
Christopher Haster |
1:24750b9ad5ef | 435 | * parse SET |
Christopher Haster |
1:24750b9ad5ef | 436 | */ |
Christopher Haster |
1:24750b9ad5ef | 437 | if( ( ret = mbedtls_asn1_get_tag( p, end, &set_len, |
Christopher Haster |
1:24750b9ad5ef | 438 | MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SET ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 439 | return( MBEDTLS_ERR_X509_INVALID_NAME + ret ); |
Christopher Haster |
1:24750b9ad5ef | 440 | |
Christopher Haster |
1:24750b9ad5ef | 441 | end_set = *p + set_len; |
Christopher Haster |
1:24750b9ad5ef | 442 | |
Christopher Haster |
1:24750b9ad5ef | 443 | while( 1 ) |
Christopher Haster |
1:24750b9ad5ef | 444 | { |
Christopher Haster |
1:24750b9ad5ef | 445 | if( ( ret = x509_get_attr_type_value( p, end_set, cur ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 446 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 447 | |
Christopher Haster |
1:24750b9ad5ef | 448 | if( *p == end_set ) |
Christopher Haster |
1:24750b9ad5ef | 449 | break; |
Christopher Haster |
1:24750b9ad5ef | 450 | |
Christopher Haster |
1:24750b9ad5ef | 451 | /* Mark this item as being no the only one in a set */ |
Christopher Haster |
1:24750b9ad5ef | 452 | cur->next_merged = 1; |
Christopher Haster |
1:24750b9ad5ef | 453 | |
Christopher Haster |
1:24750b9ad5ef | 454 | cur->next = mbedtls_calloc( 1, sizeof( mbedtls_x509_name ) ); |
Christopher Haster |
1:24750b9ad5ef | 455 | |
Christopher Haster |
1:24750b9ad5ef | 456 | if( cur->next == NULL ) |
Christopher Haster |
1:24750b9ad5ef | 457 | return( MBEDTLS_ERR_X509_ALLOC_FAILED ); |
Christopher Haster |
1:24750b9ad5ef | 458 | |
Christopher Haster |
1:24750b9ad5ef | 459 | cur = cur->next; |
Christopher Haster |
1:24750b9ad5ef | 460 | } |
Christopher Haster |
1:24750b9ad5ef | 461 | |
Christopher Haster |
1:24750b9ad5ef | 462 | /* |
Christopher Haster |
1:24750b9ad5ef | 463 | * continue until end of SEQUENCE is reached |
Christopher Haster |
1:24750b9ad5ef | 464 | */ |
Christopher Haster |
1:24750b9ad5ef | 465 | if( *p == end ) |
Christopher Haster |
1:24750b9ad5ef | 466 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 467 | |
Christopher Haster |
1:24750b9ad5ef | 468 | cur->next = mbedtls_calloc( 1, sizeof( mbedtls_x509_name ) ); |
Christopher Haster |
1:24750b9ad5ef | 469 | |
Christopher Haster |
1:24750b9ad5ef | 470 | if( cur->next == NULL ) |
Christopher Haster |
1:24750b9ad5ef | 471 | return( MBEDTLS_ERR_X509_ALLOC_FAILED ); |
Christopher Haster |
1:24750b9ad5ef | 472 | |
Christopher Haster |
1:24750b9ad5ef | 473 | cur = cur->next; |
Christopher Haster |
1:24750b9ad5ef | 474 | } |
Christopher Haster |
1:24750b9ad5ef | 475 | } |
Christopher Haster |
1:24750b9ad5ef | 476 | |
Christopher Haster |
1:24750b9ad5ef | 477 | static int x509_parse_int(unsigned char **p, unsigned n, int *res){ |
Christopher Haster |
1:24750b9ad5ef | 478 | *res = 0; |
Christopher Haster |
1:24750b9ad5ef | 479 | for( ; n > 0; --n ){ |
Christopher Haster |
1:24750b9ad5ef | 480 | if( ( **p < '0') || ( **p > '9' ) ) return MBEDTLS_ERR_X509_INVALID_DATE; |
Christopher Haster |
1:24750b9ad5ef | 481 | *res *= 10; |
Christopher Haster |
1:24750b9ad5ef | 482 | *res += (*(*p)++ - '0'); |
Christopher Haster |
1:24750b9ad5ef | 483 | } |
Christopher Haster |
1:24750b9ad5ef | 484 | return 0; |
Christopher Haster |
1:24750b9ad5ef | 485 | } |
Christopher Haster |
1:24750b9ad5ef | 486 | |
Christopher Haster |
1:24750b9ad5ef | 487 | /* |
Christopher Haster |
1:24750b9ad5ef | 488 | * Time ::= CHOICE { |
Christopher Haster |
1:24750b9ad5ef | 489 | * utcTime UTCTime, |
Christopher Haster |
1:24750b9ad5ef | 490 | * generalTime GeneralizedTime } |
Christopher Haster |
1:24750b9ad5ef | 491 | */ |
Christopher Haster |
1:24750b9ad5ef | 492 | int mbedtls_x509_get_time( unsigned char **p, const unsigned char *end, |
Christopher Haster |
1:24750b9ad5ef | 493 | mbedtls_x509_time *time ) |
Christopher Haster |
1:24750b9ad5ef | 494 | { |
Christopher Haster |
1:24750b9ad5ef | 495 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 496 | size_t len; |
Christopher Haster |
1:24750b9ad5ef | 497 | unsigned char tag; |
Christopher Haster |
1:24750b9ad5ef | 498 | |
Christopher Haster |
1:24750b9ad5ef | 499 | if( ( end - *p ) < 1 ) |
Christopher Haster |
1:24750b9ad5ef | 500 | return( MBEDTLS_ERR_X509_INVALID_DATE + |
Christopher Haster |
1:24750b9ad5ef | 501 | MBEDTLS_ERR_ASN1_OUT_OF_DATA ); |
Christopher Haster |
1:24750b9ad5ef | 502 | |
Christopher Haster |
1:24750b9ad5ef | 503 | tag = **p; |
Christopher Haster |
1:24750b9ad5ef | 504 | |
Christopher Haster |
1:24750b9ad5ef | 505 | if( tag == MBEDTLS_ASN1_UTC_TIME ) |
Christopher Haster |
1:24750b9ad5ef | 506 | { |
Christopher Haster |
1:24750b9ad5ef | 507 | (*p)++; |
Christopher Haster |
1:24750b9ad5ef | 508 | ret = mbedtls_asn1_get_len( p, end, &len ); |
Christopher Haster |
1:24750b9ad5ef | 509 | |
Christopher Haster |
1:24750b9ad5ef | 510 | if( ret != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 511 | return( MBEDTLS_ERR_X509_INVALID_DATE + ret ); |
Christopher Haster |
1:24750b9ad5ef | 512 | |
Christopher Haster |
1:24750b9ad5ef | 513 | CHECK( x509_parse_int( p, 2, &time->year ) ); |
Christopher Haster |
1:24750b9ad5ef | 514 | CHECK( x509_parse_int( p, 2, &time->mon ) ); |
Christopher Haster |
1:24750b9ad5ef | 515 | CHECK( x509_parse_int( p, 2, &time->day ) ); |
Christopher Haster |
1:24750b9ad5ef | 516 | CHECK( x509_parse_int( p, 2, &time->hour ) ); |
Christopher Haster |
1:24750b9ad5ef | 517 | CHECK( x509_parse_int( p, 2, &time->min ) ); |
Christopher Haster |
1:24750b9ad5ef | 518 | if( len > 10 ) |
Christopher Haster |
1:24750b9ad5ef | 519 | CHECK( x509_parse_int( p, 2, &time->sec ) ); |
Christopher Haster |
1:24750b9ad5ef | 520 | if( len > 12 && *(*p)++ != 'Z' ) |
Christopher Haster |
1:24750b9ad5ef | 521 | return( MBEDTLS_ERR_X509_INVALID_DATE ); |
Christopher Haster |
1:24750b9ad5ef | 522 | |
Christopher Haster |
1:24750b9ad5ef | 523 | time->year += 100 * ( time->year < 50 ); |
Christopher Haster |
1:24750b9ad5ef | 524 | time->year += 1900; |
Christopher Haster |
1:24750b9ad5ef | 525 | |
Christopher Haster |
1:24750b9ad5ef | 526 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 527 | } |
Christopher Haster |
1:24750b9ad5ef | 528 | else if( tag == MBEDTLS_ASN1_GENERALIZED_TIME ) |
Christopher Haster |
1:24750b9ad5ef | 529 | { |
Christopher Haster |
1:24750b9ad5ef | 530 | (*p)++; |
Christopher Haster |
1:24750b9ad5ef | 531 | ret = mbedtls_asn1_get_len( p, end, &len ); |
Christopher Haster |
1:24750b9ad5ef | 532 | |
Christopher Haster |
1:24750b9ad5ef | 533 | if( ret != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 534 | return( MBEDTLS_ERR_X509_INVALID_DATE + ret ); |
Christopher Haster |
1:24750b9ad5ef | 535 | |
Christopher Haster |
1:24750b9ad5ef | 536 | CHECK( x509_parse_int( p, 4, &time->year ) ); |
Christopher Haster |
1:24750b9ad5ef | 537 | CHECK( x509_parse_int( p, 2, &time->mon ) ); |
Christopher Haster |
1:24750b9ad5ef | 538 | CHECK( x509_parse_int( p, 2, &time->day ) ); |
Christopher Haster |
1:24750b9ad5ef | 539 | CHECK( x509_parse_int( p, 2, &time->hour ) ); |
Christopher Haster |
1:24750b9ad5ef | 540 | CHECK( x509_parse_int( p, 2, &time->min ) ); |
Christopher Haster |
1:24750b9ad5ef | 541 | if( len > 12 ) |
Christopher Haster |
1:24750b9ad5ef | 542 | CHECK( x509_parse_int( p, 2, &time->sec ) ); |
Christopher Haster |
1:24750b9ad5ef | 543 | if( len > 14 && *(*p)++ != 'Z' ) |
Christopher Haster |
1:24750b9ad5ef | 544 | return( MBEDTLS_ERR_X509_INVALID_DATE ); |
Christopher Haster |
1:24750b9ad5ef | 545 | |
Christopher Haster |
1:24750b9ad5ef | 546 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 547 | } |
Christopher Haster |
1:24750b9ad5ef | 548 | else |
Christopher Haster |
1:24750b9ad5ef | 549 | return( MBEDTLS_ERR_X509_INVALID_DATE + |
Christopher Haster |
1:24750b9ad5ef | 550 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ); |
Christopher Haster |
1:24750b9ad5ef | 551 | } |
Christopher Haster |
1:24750b9ad5ef | 552 | |
Christopher Haster |
1:24750b9ad5ef | 553 | int mbedtls_x509_get_sig( unsigned char **p, const unsigned char *end, mbedtls_x509_buf *sig ) |
Christopher Haster |
1:24750b9ad5ef | 554 | { |
Christopher Haster |
1:24750b9ad5ef | 555 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 556 | size_t len; |
Christopher Haster |
1:24750b9ad5ef | 557 | |
Christopher Haster |
1:24750b9ad5ef | 558 | if( ( end - *p ) < 1 ) |
Christopher Haster |
1:24750b9ad5ef | 559 | return( MBEDTLS_ERR_X509_INVALID_SIGNATURE + |
Christopher Haster |
1:24750b9ad5ef | 560 | MBEDTLS_ERR_ASN1_OUT_OF_DATA ); |
Christopher Haster |
1:24750b9ad5ef | 561 | |
Christopher Haster |
1:24750b9ad5ef | 562 | sig->tag = **p; |
Christopher Haster |
1:24750b9ad5ef | 563 | |
Christopher Haster |
1:24750b9ad5ef | 564 | if( ( ret = mbedtls_asn1_get_bitstring_null( p, end, &len ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 565 | return( MBEDTLS_ERR_X509_INVALID_SIGNATURE + ret ); |
Christopher Haster |
1:24750b9ad5ef | 566 | |
Christopher Haster |
1:24750b9ad5ef | 567 | sig->len = len; |
Christopher Haster |
1:24750b9ad5ef | 568 | sig->p = *p; |
Christopher Haster |
1:24750b9ad5ef | 569 | |
Christopher Haster |
1:24750b9ad5ef | 570 | *p += len; |
Christopher Haster |
1:24750b9ad5ef | 571 | |
Christopher Haster |
1:24750b9ad5ef | 572 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 573 | } |
Christopher Haster |
1:24750b9ad5ef | 574 | |
Christopher Haster |
1:24750b9ad5ef | 575 | /* |
Christopher Haster |
1:24750b9ad5ef | 576 | * Get signature algorithm from alg OID and optional parameters |
Christopher Haster |
1:24750b9ad5ef | 577 | */ |
Christopher Haster |
1:24750b9ad5ef | 578 | int mbedtls_x509_get_sig_alg( const mbedtls_x509_buf *sig_oid, const mbedtls_x509_buf *sig_params, |
Christopher Haster |
1:24750b9ad5ef | 579 | mbedtls_md_type_t *md_alg, mbedtls_pk_type_t *pk_alg, |
Christopher Haster |
1:24750b9ad5ef | 580 | void **sig_opts ) |
Christopher Haster |
1:24750b9ad5ef | 581 | { |
Christopher Haster |
1:24750b9ad5ef | 582 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 583 | |
Christopher Haster |
1:24750b9ad5ef | 584 | if( *sig_opts != NULL ) |
Christopher Haster |
1:24750b9ad5ef | 585 | return( MBEDTLS_ERR_X509_BAD_INPUT_DATA ); |
Christopher Haster |
1:24750b9ad5ef | 586 | |
Christopher Haster |
1:24750b9ad5ef | 587 | if( ( ret = mbedtls_oid_get_sig_alg( sig_oid, md_alg, pk_alg ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 588 | return( MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG + ret ); |
Christopher Haster |
1:24750b9ad5ef | 589 | |
Christopher Haster |
1:24750b9ad5ef | 590 | #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) |
Christopher Haster |
1:24750b9ad5ef | 591 | if( *pk_alg == MBEDTLS_PK_RSASSA_PSS ) |
Christopher Haster |
1:24750b9ad5ef | 592 | { |
Christopher Haster |
1:24750b9ad5ef | 593 | mbedtls_pk_rsassa_pss_options *pss_opts; |
Christopher Haster |
1:24750b9ad5ef | 594 | |
Christopher Haster |
1:24750b9ad5ef | 595 | pss_opts = mbedtls_calloc( 1, sizeof( mbedtls_pk_rsassa_pss_options ) ); |
Christopher Haster |
1:24750b9ad5ef | 596 | if( pss_opts == NULL ) |
Christopher Haster |
1:24750b9ad5ef | 597 | return( MBEDTLS_ERR_X509_ALLOC_FAILED ); |
Christopher Haster |
1:24750b9ad5ef | 598 | |
Christopher Haster |
1:24750b9ad5ef | 599 | ret = mbedtls_x509_get_rsassa_pss_params( sig_params, |
Christopher Haster |
1:24750b9ad5ef | 600 | md_alg, |
Christopher Haster |
1:24750b9ad5ef | 601 | &pss_opts->mgf1_hash_id, |
Christopher Haster |
1:24750b9ad5ef | 602 | &pss_opts->expected_salt_len ); |
Christopher Haster |
1:24750b9ad5ef | 603 | if( ret != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 604 | { |
Christopher Haster |
1:24750b9ad5ef | 605 | mbedtls_free( pss_opts ); |
Christopher Haster |
1:24750b9ad5ef | 606 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 607 | } |
Christopher Haster |
1:24750b9ad5ef | 608 | |
Christopher Haster |
1:24750b9ad5ef | 609 | *sig_opts = (void *) pss_opts; |
Christopher Haster |
1:24750b9ad5ef | 610 | } |
Christopher Haster |
1:24750b9ad5ef | 611 | else |
Christopher Haster |
1:24750b9ad5ef | 612 | #endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */ |
Christopher Haster |
1:24750b9ad5ef | 613 | { |
Christopher Haster |
1:24750b9ad5ef | 614 | /* Make sure parameters are absent or NULL */ |
Christopher Haster |
1:24750b9ad5ef | 615 | if( ( sig_params->tag != MBEDTLS_ASN1_NULL && sig_params->tag != 0 ) || |
Christopher Haster |
1:24750b9ad5ef | 616 | sig_params->len != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 617 | return( MBEDTLS_ERR_X509_INVALID_ALG ); |
Christopher Haster |
1:24750b9ad5ef | 618 | } |
Christopher Haster |
1:24750b9ad5ef | 619 | |
Christopher Haster |
1:24750b9ad5ef | 620 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 621 | } |
Christopher Haster |
1:24750b9ad5ef | 622 | |
Christopher Haster |
1:24750b9ad5ef | 623 | /* |
Christopher Haster |
1:24750b9ad5ef | 624 | * X.509 Extensions (No parsing of extensions, pointer should |
Christopher Haster |
1:24750b9ad5ef | 625 | * be either manually updated or extensions should be parsed! |
Christopher Haster |
1:24750b9ad5ef | 626 | */ |
Christopher Haster |
1:24750b9ad5ef | 627 | int mbedtls_x509_get_ext( unsigned char **p, const unsigned char *end, |
Christopher Haster |
1:24750b9ad5ef | 628 | mbedtls_x509_buf *ext, int tag ) |
Christopher Haster |
1:24750b9ad5ef | 629 | { |
Christopher Haster |
1:24750b9ad5ef | 630 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 631 | size_t len; |
Christopher Haster |
1:24750b9ad5ef | 632 | |
Christopher Haster |
1:24750b9ad5ef | 633 | if( *p == end ) |
Christopher Haster |
1:24750b9ad5ef | 634 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 635 | |
Christopher Haster |
1:24750b9ad5ef | 636 | ext->tag = **p; |
Christopher Haster |
1:24750b9ad5ef | 637 | |
Christopher Haster |
1:24750b9ad5ef | 638 | if( ( ret = mbedtls_asn1_get_tag( p, end, &ext->len, |
Christopher Haster |
1:24750b9ad5ef | 639 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | tag ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 640 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 641 | |
Christopher Haster |
1:24750b9ad5ef | 642 | ext->p = *p; |
Christopher Haster |
1:24750b9ad5ef | 643 | end = *p + ext->len; |
Christopher Haster |
1:24750b9ad5ef | 644 | |
Christopher Haster |
1:24750b9ad5ef | 645 | /* |
Christopher Haster |
1:24750b9ad5ef | 646 | * Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension |
Christopher Haster |
1:24750b9ad5ef | 647 | * |
Christopher Haster |
1:24750b9ad5ef | 648 | * Extension ::= SEQUENCE { |
Christopher Haster |
1:24750b9ad5ef | 649 | * extnID OBJECT IDENTIFIER, |
Christopher Haster |
1:24750b9ad5ef | 650 | * critical BOOLEAN DEFAULT FALSE, |
Christopher Haster |
1:24750b9ad5ef | 651 | * extnValue OCTET STRING } |
Christopher Haster |
1:24750b9ad5ef | 652 | */ |
Christopher Haster |
1:24750b9ad5ef | 653 | if( ( ret = mbedtls_asn1_get_tag( p, end, &len, |
Christopher Haster |
1:24750b9ad5ef | 654 | MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 655 | return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret ); |
Christopher Haster |
1:24750b9ad5ef | 656 | |
Christopher Haster |
1:24750b9ad5ef | 657 | if( end != *p + len ) |
Christopher Haster |
1:24750b9ad5ef | 658 | return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + |
Christopher Haster |
1:24750b9ad5ef | 659 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ); |
Christopher Haster |
1:24750b9ad5ef | 660 | |
Christopher Haster |
1:24750b9ad5ef | 661 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 662 | } |
Christopher Haster |
1:24750b9ad5ef | 663 | |
Christopher Haster |
1:24750b9ad5ef | 664 | /* |
Christopher Haster |
1:24750b9ad5ef | 665 | * Store the name in printable form into buf; no more |
Christopher Haster |
1:24750b9ad5ef | 666 | * than size characters will be written |
Christopher Haster |
1:24750b9ad5ef | 667 | */ |
Christopher Haster |
1:24750b9ad5ef | 668 | int mbedtls_x509_dn_gets( char *buf, size_t size, const mbedtls_x509_name *dn ) |
Christopher Haster |
1:24750b9ad5ef | 669 | { |
Christopher Haster |
1:24750b9ad5ef | 670 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 671 | size_t i, n; |
Christopher Haster |
1:24750b9ad5ef | 672 | unsigned char c, merge = 0; |
Christopher Haster |
1:24750b9ad5ef | 673 | const mbedtls_x509_name *name; |
Christopher Haster |
1:24750b9ad5ef | 674 | const char *short_name = NULL; |
Christopher Haster |
1:24750b9ad5ef | 675 | char s[MBEDTLS_X509_MAX_DN_NAME_SIZE], *p; |
Christopher Haster |
1:24750b9ad5ef | 676 | |
Christopher Haster |
1:24750b9ad5ef | 677 | memset( s, 0, sizeof( s ) ); |
Christopher Haster |
1:24750b9ad5ef | 678 | |
Christopher Haster |
1:24750b9ad5ef | 679 | name = dn; |
Christopher Haster |
1:24750b9ad5ef | 680 | p = buf; |
Christopher Haster |
1:24750b9ad5ef | 681 | n = size; |
Christopher Haster |
1:24750b9ad5ef | 682 | |
Christopher Haster |
1:24750b9ad5ef | 683 | while( name != NULL ) |
Christopher Haster |
1:24750b9ad5ef | 684 | { |
Christopher Haster |
1:24750b9ad5ef | 685 | if( !name->oid.p ) |
Christopher Haster |
1:24750b9ad5ef | 686 | { |
Christopher Haster |
1:24750b9ad5ef | 687 | name = name->next; |
Christopher Haster |
1:24750b9ad5ef | 688 | continue; |
Christopher Haster |
1:24750b9ad5ef | 689 | } |
Christopher Haster |
1:24750b9ad5ef | 690 | |
Christopher Haster |
1:24750b9ad5ef | 691 | if( name != dn ) |
Christopher Haster |
1:24750b9ad5ef | 692 | { |
Christopher Haster |
1:24750b9ad5ef | 693 | ret = mbedtls_snprintf( p, n, merge ? " + " : ", " ); |
Christopher Haster |
1:24750b9ad5ef | 694 | MBEDTLS_X509_SAFE_SNPRINTF; |
Christopher Haster |
1:24750b9ad5ef | 695 | } |
Christopher Haster |
1:24750b9ad5ef | 696 | |
Christopher Haster |
1:24750b9ad5ef | 697 | ret = mbedtls_oid_get_attr_short_name( &name->oid, &short_name ); |
Christopher Haster |
1:24750b9ad5ef | 698 | |
Christopher Haster |
1:24750b9ad5ef | 699 | if( ret == 0 ) |
Christopher Haster |
1:24750b9ad5ef | 700 | ret = mbedtls_snprintf( p, n, "%s=", short_name ); |
Christopher Haster |
1:24750b9ad5ef | 701 | else |
Christopher Haster |
1:24750b9ad5ef | 702 | ret = mbedtls_snprintf( p, n, "\?\?=" ); |
Christopher Haster |
1:24750b9ad5ef | 703 | MBEDTLS_X509_SAFE_SNPRINTF; |
Christopher Haster |
1:24750b9ad5ef | 704 | |
Christopher Haster |
1:24750b9ad5ef | 705 | for( i = 0; i < name->val.len; i++ ) |
Christopher Haster |
1:24750b9ad5ef | 706 | { |
Christopher Haster |
1:24750b9ad5ef | 707 | if( i >= sizeof( s ) - 1 ) |
Christopher Haster |
1:24750b9ad5ef | 708 | break; |
Christopher Haster |
1:24750b9ad5ef | 709 | |
Christopher Haster |
1:24750b9ad5ef | 710 | c = name->val.p[i]; |
Christopher Haster |
1:24750b9ad5ef | 711 | if( c < 32 || c == 127 || ( c > 128 && c < 160 ) ) |
Christopher Haster |
1:24750b9ad5ef | 712 | s[i] = '?'; |
Christopher Haster |
1:24750b9ad5ef | 713 | else s[i] = c; |
Christopher Haster |
1:24750b9ad5ef | 714 | } |
Christopher Haster |
1:24750b9ad5ef | 715 | s[i] = '\0'; |
Christopher Haster |
1:24750b9ad5ef | 716 | ret = mbedtls_snprintf( p, n, "%s", s ); |
Christopher Haster |
1:24750b9ad5ef | 717 | MBEDTLS_X509_SAFE_SNPRINTF; |
Christopher Haster |
1:24750b9ad5ef | 718 | |
Christopher Haster |
1:24750b9ad5ef | 719 | merge = name->next_merged; |
Christopher Haster |
1:24750b9ad5ef | 720 | name = name->next; |
Christopher Haster |
1:24750b9ad5ef | 721 | } |
Christopher Haster |
1:24750b9ad5ef | 722 | |
Christopher Haster |
1:24750b9ad5ef | 723 | return( (int) ( size - n ) ); |
Christopher Haster |
1:24750b9ad5ef | 724 | } |
Christopher Haster |
1:24750b9ad5ef | 725 | |
Christopher Haster |
1:24750b9ad5ef | 726 | /* |
Christopher Haster |
1:24750b9ad5ef | 727 | * Store the serial in printable form into buf; no more |
Christopher Haster |
1:24750b9ad5ef | 728 | * than size characters will be written |
Christopher Haster |
1:24750b9ad5ef | 729 | */ |
Christopher Haster |
1:24750b9ad5ef | 730 | int mbedtls_x509_serial_gets( char *buf, size_t size, const mbedtls_x509_buf *serial ) |
Christopher Haster |
1:24750b9ad5ef | 731 | { |
Christopher Haster |
1:24750b9ad5ef | 732 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 733 | size_t i, n, nr; |
Christopher Haster |
1:24750b9ad5ef | 734 | char *p; |
Christopher Haster |
1:24750b9ad5ef | 735 | |
Christopher Haster |
1:24750b9ad5ef | 736 | p = buf; |
Christopher Haster |
1:24750b9ad5ef | 737 | n = size; |
Christopher Haster |
1:24750b9ad5ef | 738 | |
Christopher Haster |
1:24750b9ad5ef | 739 | nr = ( serial->len <= 32 ) |
Christopher Haster |
1:24750b9ad5ef | 740 | ? serial->len : 28; |
Christopher Haster |
1:24750b9ad5ef | 741 | |
Christopher Haster |
1:24750b9ad5ef | 742 | for( i = 0; i < nr; i++ ) |
Christopher Haster |
1:24750b9ad5ef | 743 | { |
Christopher Haster |
1:24750b9ad5ef | 744 | if( i == 0 && nr > 1 && serial->p[i] == 0x0 ) |
Christopher Haster |
1:24750b9ad5ef | 745 | continue; |
Christopher Haster |
1:24750b9ad5ef | 746 | |
Christopher Haster |
1:24750b9ad5ef | 747 | ret = mbedtls_snprintf( p, n, "%02X%s", |
Christopher Haster |
1:24750b9ad5ef | 748 | serial->p[i], ( i < nr - 1 ) ? ":" : "" ); |
Christopher Haster |
1:24750b9ad5ef | 749 | MBEDTLS_X509_SAFE_SNPRINTF; |
Christopher Haster |
1:24750b9ad5ef | 750 | } |
Christopher Haster |
1:24750b9ad5ef | 751 | |
Christopher Haster |
1:24750b9ad5ef | 752 | if( nr != serial->len ) |
Christopher Haster |
1:24750b9ad5ef | 753 | { |
Christopher Haster |
1:24750b9ad5ef | 754 | ret = mbedtls_snprintf( p, n, "...." ); |
Christopher Haster |
1:24750b9ad5ef | 755 | MBEDTLS_X509_SAFE_SNPRINTF; |
Christopher Haster |
1:24750b9ad5ef | 756 | } |
Christopher Haster |
1:24750b9ad5ef | 757 | |
Christopher Haster |
1:24750b9ad5ef | 758 | return( (int) ( size - n ) ); |
Christopher Haster |
1:24750b9ad5ef | 759 | } |
Christopher Haster |
1:24750b9ad5ef | 760 | |
Christopher Haster |
1:24750b9ad5ef | 761 | /* |
Christopher Haster |
1:24750b9ad5ef | 762 | * Helper for writing signature algorithms |
Christopher Haster |
1:24750b9ad5ef | 763 | */ |
Christopher Haster |
1:24750b9ad5ef | 764 | int mbedtls_x509_sig_alg_gets( char *buf, size_t size, const mbedtls_x509_buf *sig_oid, |
Christopher Haster |
1:24750b9ad5ef | 765 | mbedtls_pk_type_t pk_alg, mbedtls_md_type_t md_alg, |
Christopher Haster |
1:24750b9ad5ef | 766 | const void *sig_opts ) |
Christopher Haster |
1:24750b9ad5ef | 767 | { |
Christopher Haster |
1:24750b9ad5ef | 768 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 769 | char *p = buf; |
Christopher Haster |
1:24750b9ad5ef | 770 | size_t n = size; |
Christopher Haster |
1:24750b9ad5ef | 771 | const char *desc = NULL; |
Christopher Haster |
1:24750b9ad5ef | 772 | |
Christopher Haster |
1:24750b9ad5ef | 773 | ret = mbedtls_oid_get_sig_alg_desc( sig_oid, &desc ); |
Christopher Haster |
1:24750b9ad5ef | 774 | if( ret != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 775 | ret = mbedtls_snprintf( p, n, "???" ); |
Christopher Haster |
1:24750b9ad5ef | 776 | else |
Christopher Haster |
1:24750b9ad5ef | 777 | ret = mbedtls_snprintf( p, n, "%s", desc ); |
Christopher Haster |
1:24750b9ad5ef | 778 | MBEDTLS_X509_SAFE_SNPRINTF; |
Christopher Haster |
1:24750b9ad5ef | 779 | |
Christopher Haster |
1:24750b9ad5ef | 780 | #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) |
Christopher Haster |
1:24750b9ad5ef | 781 | if( pk_alg == MBEDTLS_PK_RSASSA_PSS ) |
Christopher Haster |
1:24750b9ad5ef | 782 | { |
Christopher Haster |
1:24750b9ad5ef | 783 | const mbedtls_pk_rsassa_pss_options *pss_opts; |
Christopher Haster |
1:24750b9ad5ef | 784 | const mbedtls_md_info_t *md_info, *mgf_md_info; |
Christopher Haster |
1:24750b9ad5ef | 785 | |
Christopher Haster |
1:24750b9ad5ef | 786 | pss_opts = (const mbedtls_pk_rsassa_pss_options *) sig_opts; |
Christopher Haster |
1:24750b9ad5ef | 787 | |
Christopher Haster |
1:24750b9ad5ef | 788 | md_info = mbedtls_md_info_from_type( md_alg ); |
Christopher Haster |
1:24750b9ad5ef | 789 | mgf_md_info = mbedtls_md_info_from_type( pss_opts->mgf1_hash_id ); |
Christopher Haster |
1:24750b9ad5ef | 790 | |
Christopher Haster |
1:24750b9ad5ef | 791 | ret = mbedtls_snprintf( p, n, " (%s, MGF1-%s, 0x%02X)", |
Christopher Haster |
1:24750b9ad5ef | 792 | md_info ? mbedtls_md_get_name( md_info ) : "???", |
Christopher Haster |
1:24750b9ad5ef | 793 | mgf_md_info ? mbedtls_md_get_name( mgf_md_info ) : "???", |
Christopher Haster |
1:24750b9ad5ef | 794 | pss_opts->expected_salt_len ); |
Christopher Haster |
1:24750b9ad5ef | 795 | MBEDTLS_X509_SAFE_SNPRINTF; |
Christopher Haster |
1:24750b9ad5ef | 796 | } |
Christopher Haster |
1:24750b9ad5ef | 797 | #else |
Christopher Haster |
1:24750b9ad5ef | 798 | ((void) pk_alg); |
Christopher Haster |
1:24750b9ad5ef | 799 | ((void) md_alg); |
Christopher Haster |
1:24750b9ad5ef | 800 | ((void) sig_opts); |
Christopher Haster |
1:24750b9ad5ef | 801 | #endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */ |
Christopher Haster |
1:24750b9ad5ef | 802 | |
Christopher Haster |
1:24750b9ad5ef | 803 | return( (int)( size - n ) ); |
Christopher Haster |
1:24750b9ad5ef | 804 | } |
Christopher Haster |
1:24750b9ad5ef | 805 | |
Christopher Haster |
1:24750b9ad5ef | 806 | /* |
Christopher Haster |
1:24750b9ad5ef | 807 | * Helper for writing "RSA key size", "EC key size", etc |
Christopher Haster |
1:24750b9ad5ef | 808 | */ |
Christopher Haster |
1:24750b9ad5ef | 809 | int mbedtls_x509_key_size_helper( char *buf, size_t buf_size, const char *name ) |
Christopher Haster |
1:24750b9ad5ef | 810 | { |
Christopher Haster |
1:24750b9ad5ef | 811 | char *p = buf; |
Christopher Haster |
1:24750b9ad5ef | 812 | size_t n = buf_size; |
Christopher Haster |
1:24750b9ad5ef | 813 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 814 | |
Christopher Haster |
1:24750b9ad5ef | 815 | ret = mbedtls_snprintf( p, n, "%s key size", name ); |
Christopher Haster |
1:24750b9ad5ef | 816 | MBEDTLS_X509_SAFE_SNPRINTF; |
Christopher Haster |
1:24750b9ad5ef | 817 | |
Christopher Haster |
1:24750b9ad5ef | 818 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 819 | } |
Christopher Haster |
1:24750b9ad5ef | 820 | |
Christopher Haster |
1:24750b9ad5ef | 821 | #if defined(MBEDTLS_HAVE_TIME_DATE) |
Christopher Haster |
1:24750b9ad5ef | 822 | /* |
Christopher Haster |
1:24750b9ad5ef | 823 | * Set the time structure to the current time. |
Christopher Haster |
1:24750b9ad5ef | 824 | * Return 0 on success, non-zero on failure. |
Christopher Haster |
1:24750b9ad5ef | 825 | */ |
Christopher Haster |
1:24750b9ad5ef | 826 | #if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32) |
Christopher Haster |
1:24750b9ad5ef | 827 | static int x509_get_current_time( mbedtls_x509_time *now ) |
Christopher Haster |
1:24750b9ad5ef | 828 | { |
Christopher Haster |
1:24750b9ad5ef | 829 | SYSTEMTIME st; |
Christopher Haster |
1:24750b9ad5ef | 830 | |
Christopher Haster |
1:24750b9ad5ef | 831 | GetSystemTime( &st ); |
Christopher Haster |
1:24750b9ad5ef | 832 | |
Christopher Haster |
1:24750b9ad5ef | 833 | now->year = st.wYear; |
Christopher Haster |
1:24750b9ad5ef | 834 | now->mon = st.wMonth; |
Christopher Haster |
1:24750b9ad5ef | 835 | now->day = st.wDay; |
Christopher Haster |
1:24750b9ad5ef | 836 | now->hour = st.wHour; |
Christopher Haster |
1:24750b9ad5ef | 837 | now->min = st.wMinute; |
Christopher Haster |
1:24750b9ad5ef | 838 | now->sec = st.wSecond; |
Christopher Haster |
1:24750b9ad5ef | 839 | |
Christopher Haster |
1:24750b9ad5ef | 840 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 841 | } |
Christopher Haster |
1:24750b9ad5ef | 842 | #else |
Christopher Haster |
1:24750b9ad5ef | 843 | static int x509_get_current_time( mbedtls_x509_time *now ) |
Christopher Haster |
1:24750b9ad5ef | 844 | { |
Christopher Haster |
1:24750b9ad5ef | 845 | struct tm *lt; |
Christopher Haster |
1:24750b9ad5ef | 846 | time_t tt; |
Christopher Haster |
1:24750b9ad5ef | 847 | int ret = 0; |
Christopher Haster |
1:24750b9ad5ef | 848 | |
Christopher Haster |
1:24750b9ad5ef | 849 | #if defined(MBEDTLS_THREADING_C) |
Christopher Haster |
1:24750b9ad5ef | 850 | if( mbedtls_mutex_lock( &mbedtls_threading_gmtime_mutex ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 851 | return( MBEDTLS_ERR_THREADING_MUTEX_ERROR ); |
Christopher Haster |
1:24750b9ad5ef | 852 | #endif |
Christopher Haster |
1:24750b9ad5ef | 853 | |
Christopher Haster |
1:24750b9ad5ef | 854 | tt = time( NULL ); |
Christopher Haster |
1:24750b9ad5ef | 855 | lt = gmtime( &tt ); |
Christopher Haster |
1:24750b9ad5ef | 856 | |
Christopher Haster |
1:24750b9ad5ef | 857 | if( lt == NULL ) |
Christopher Haster |
1:24750b9ad5ef | 858 | ret = -1; |
Christopher Haster |
1:24750b9ad5ef | 859 | else |
Christopher Haster |
1:24750b9ad5ef | 860 | { |
Christopher Haster |
1:24750b9ad5ef | 861 | now->year = lt->tm_year + 1900; |
Christopher Haster |
1:24750b9ad5ef | 862 | now->mon = lt->tm_mon + 1; |
Christopher Haster |
1:24750b9ad5ef | 863 | now->day = lt->tm_mday; |
Christopher Haster |
1:24750b9ad5ef | 864 | now->hour = lt->tm_hour; |
Christopher Haster |
1:24750b9ad5ef | 865 | now->min = lt->tm_min; |
Christopher Haster |
1:24750b9ad5ef | 866 | now->sec = lt->tm_sec; |
Christopher Haster |
1:24750b9ad5ef | 867 | } |
Christopher Haster |
1:24750b9ad5ef | 868 | |
Christopher Haster |
1:24750b9ad5ef | 869 | #if defined(MBEDTLS_THREADING_C) |
Christopher Haster |
1:24750b9ad5ef | 870 | if( mbedtls_mutex_unlock( &mbedtls_threading_gmtime_mutex ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 871 | return( MBEDTLS_ERR_THREADING_MUTEX_ERROR ); |
Christopher Haster |
1:24750b9ad5ef | 872 | #endif |
Christopher Haster |
1:24750b9ad5ef | 873 | |
Christopher Haster |
1:24750b9ad5ef | 874 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 875 | } |
Christopher Haster |
1:24750b9ad5ef | 876 | #endif /* _WIN32 && !EFIX64 && !EFI32 */ |
Christopher Haster |
1:24750b9ad5ef | 877 | |
Christopher Haster |
1:24750b9ad5ef | 878 | /* |
Christopher Haster |
1:24750b9ad5ef | 879 | * Return 0 if before <= after, 1 otherwise |
Christopher Haster |
1:24750b9ad5ef | 880 | */ |
Christopher Haster |
1:24750b9ad5ef | 881 | static int x509_check_time( const mbedtls_x509_time *before, const mbedtls_x509_time *after ) |
Christopher Haster |
1:24750b9ad5ef | 882 | { |
Christopher Haster |
1:24750b9ad5ef | 883 | if( before->year > after->year ) |
Christopher Haster |
1:24750b9ad5ef | 884 | return( 1 ); |
Christopher Haster |
1:24750b9ad5ef | 885 | |
Christopher Haster |
1:24750b9ad5ef | 886 | if( before->year == after->year && |
Christopher Haster |
1:24750b9ad5ef | 887 | before->mon > after->mon ) |
Christopher Haster |
1:24750b9ad5ef | 888 | return( 1 ); |
Christopher Haster |
1:24750b9ad5ef | 889 | |
Christopher Haster |
1:24750b9ad5ef | 890 | if( before->year == after->year && |
Christopher Haster |
1:24750b9ad5ef | 891 | before->mon == after->mon && |
Christopher Haster |
1:24750b9ad5ef | 892 | before->day > after->day ) |
Christopher Haster |
1:24750b9ad5ef | 893 | return( 1 ); |
Christopher Haster |
1:24750b9ad5ef | 894 | |
Christopher Haster |
1:24750b9ad5ef | 895 | if( before->year == after->year && |
Christopher Haster |
1:24750b9ad5ef | 896 | before->mon == after->mon && |
Christopher Haster |
1:24750b9ad5ef | 897 | before->day == after->day && |
Christopher Haster |
1:24750b9ad5ef | 898 | before->hour > after->hour ) |
Christopher Haster |
1:24750b9ad5ef | 899 | return( 1 ); |
Christopher Haster |
1:24750b9ad5ef | 900 | |
Christopher Haster |
1:24750b9ad5ef | 901 | if( before->year == after->year && |
Christopher Haster |
1:24750b9ad5ef | 902 | before->mon == after->mon && |
Christopher Haster |
1:24750b9ad5ef | 903 | before->day == after->day && |
Christopher Haster |
1:24750b9ad5ef | 904 | before->hour == after->hour && |
Christopher Haster |
1:24750b9ad5ef | 905 | before->min > after->min ) |
Christopher Haster |
1:24750b9ad5ef | 906 | return( 1 ); |
Christopher Haster |
1:24750b9ad5ef | 907 | |
Christopher Haster |
1:24750b9ad5ef | 908 | if( before->year == after->year && |
Christopher Haster |
1:24750b9ad5ef | 909 | before->mon == after->mon && |
Christopher Haster |
1:24750b9ad5ef | 910 | before->day == after->day && |
Christopher Haster |
1:24750b9ad5ef | 911 | before->hour == after->hour && |
Christopher Haster |
1:24750b9ad5ef | 912 | before->min == after->min && |
Christopher Haster |
1:24750b9ad5ef | 913 | before->sec > after->sec ) |
Christopher Haster |
1:24750b9ad5ef | 914 | return( 1 ); |
Christopher Haster |
1:24750b9ad5ef | 915 | |
Christopher Haster |
1:24750b9ad5ef | 916 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 917 | } |
Christopher Haster |
1:24750b9ad5ef | 918 | |
Christopher Haster |
1:24750b9ad5ef | 919 | int mbedtls_x509_time_is_past( const mbedtls_x509_time *to ) |
Christopher Haster |
1:24750b9ad5ef | 920 | { |
Christopher Haster |
1:24750b9ad5ef | 921 | mbedtls_x509_time now; |
Christopher Haster |
1:24750b9ad5ef | 922 | |
Christopher Haster |
1:24750b9ad5ef | 923 | if( x509_get_current_time( &now ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 924 | return( 1 ); |
Christopher Haster |
1:24750b9ad5ef | 925 | |
Christopher Haster |
1:24750b9ad5ef | 926 | return( x509_check_time( &now, to ) ); |
Christopher Haster |
1:24750b9ad5ef | 927 | } |
Christopher Haster |
1:24750b9ad5ef | 928 | |
Christopher Haster |
1:24750b9ad5ef | 929 | int mbedtls_x509_time_is_future( const mbedtls_x509_time *from ) |
Christopher Haster |
1:24750b9ad5ef | 930 | { |
Christopher Haster |
1:24750b9ad5ef | 931 | mbedtls_x509_time now; |
Christopher Haster |
1:24750b9ad5ef | 932 | |
Christopher Haster |
1:24750b9ad5ef | 933 | if( x509_get_current_time( &now ) != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 934 | return( 1 ); |
Christopher Haster |
1:24750b9ad5ef | 935 | |
Christopher Haster |
1:24750b9ad5ef | 936 | return( x509_check_time( from, &now ) ); |
Christopher Haster |
1:24750b9ad5ef | 937 | } |
Christopher Haster |
1:24750b9ad5ef | 938 | |
Christopher Haster |
1:24750b9ad5ef | 939 | #else /* MBEDTLS_HAVE_TIME_DATE */ |
Christopher Haster |
1:24750b9ad5ef | 940 | |
Christopher Haster |
1:24750b9ad5ef | 941 | int mbedtls_x509_time_is_past( const mbedtls_x509_time *to ) |
Christopher Haster |
1:24750b9ad5ef | 942 | { |
Christopher Haster |
1:24750b9ad5ef | 943 | ((void) to); |
Christopher Haster |
1:24750b9ad5ef | 944 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 945 | } |
Christopher Haster |
1:24750b9ad5ef | 946 | |
Christopher Haster |
1:24750b9ad5ef | 947 | int mbedtls_x509_time_is_future( const mbedtls_x509_time *from ) |
Christopher Haster |
1:24750b9ad5ef | 948 | { |
Christopher Haster |
1:24750b9ad5ef | 949 | ((void) from); |
Christopher Haster |
1:24750b9ad5ef | 950 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 951 | } |
Christopher Haster |
1:24750b9ad5ef | 952 | #endif /* MBEDTLS_HAVE_TIME_DATE */ |
Christopher Haster |
1:24750b9ad5ef | 953 | |
Christopher Haster |
1:24750b9ad5ef | 954 | #if defined(MBEDTLS_SELF_TEST) |
Christopher Haster |
1:24750b9ad5ef | 955 | |
Christopher Haster |
1:24750b9ad5ef | 956 | #include "mbedtls/x509_crt.h" |
Christopher Haster |
1:24750b9ad5ef | 957 | #include "mbedtls/certs.h" |
Christopher Haster |
1:24750b9ad5ef | 958 | |
Christopher Haster |
1:24750b9ad5ef | 959 | /* |
Christopher Haster |
1:24750b9ad5ef | 960 | * Checkup routine |
Christopher Haster |
1:24750b9ad5ef | 961 | */ |
Christopher Haster |
1:24750b9ad5ef | 962 | int mbedtls_x509_self_test( int verbose ) |
Christopher Haster |
1:24750b9ad5ef | 963 | { |
Christopher Haster |
1:24750b9ad5ef | 964 | #if defined(MBEDTLS_CERTS_C) && defined(MBEDTLS_SHA1_C) |
Christopher Haster |
1:24750b9ad5ef | 965 | int ret; |
Christopher Haster |
1:24750b9ad5ef | 966 | uint32_t flags; |
Christopher Haster |
1:24750b9ad5ef | 967 | mbedtls_x509_crt cacert; |
Christopher Haster |
1:24750b9ad5ef | 968 | mbedtls_x509_crt clicert; |
Christopher Haster |
1:24750b9ad5ef | 969 | |
Christopher Haster |
1:24750b9ad5ef | 970 | if( verbose != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 971 | mbedtls_printf( " X.509 certificate load: " ); |
Christopher Haster |
1:24750b9ad5ef | 972 | |
Christopher Haster |
1:24750b9ad5ef | 973 | mbedtls_x509_crt_init( &clicert ); |
Christopher Haster |
1:24750b9ad5ef | 974 | |
Christopher Haster |
1:24750b9ad5ef | 975 | ret = mbedtls_x509_crt_parse( &clicert, (const unsigned char *) mbedtls_test_cli_crt, |
Christopher Haster |
1:24750b9ad5ef | 976 | mbedtls_test_cli_crt_len ); |
Christopher Haster |
1:24750b9ad5ef | 977 | if( ret != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 978 | { |
Christopher Haster |
1:24750b9ad5ef | 979 | if( verbose != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 980 | mbedtls_printf( "failed\n" ); |
Christopher Haster |
1:24750b9ad5ef | 981 | |
Christopher Haster |
1:24750b9ad5ef | 982 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 983 | } |
Christopher Haster |
1:24750b9ad5ef | 984 | |
Christopher Haster |
1:24750b9ad5ef | 985 | mbedtls_x509_crt_init( &cacert ); |
Christopher Haster |
1:24750b9ad5ef | 986 | |
Christopher Haster |
1:24750b9ad5ef | 987 | ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_ca_crt, |
Christopher Haster |
1:24750b9ad5ef | 988 | mbedtls_test_ca_crt_len ); |
Christopher Haster |
1:24750b9ad5ef | 989 | if( ret != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 990 | { |
Christopher Haster |
1:24750b9ad5ef | 991 | if( verbose != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 992 | mbedtls_printf( "failed\n" ); |
Christopher Haster |
1:24750b9ad5ef | 993 | |
Christopher Haster |
1:24750b9ad5ef | 994 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 995 | } |
Christopher Haster |
1:24750b9ad5ef | 996 | |
Christopher Haster |
1:24750b9ad5ef | 997 | if( verbose != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 998 | mbedtls_printf( "passed\n X.509 signature verify: "); |
Christopher Haster |
1:24750b9ad5ef | 999 | |
Christopher Haster |
1:24750b9ad5ef | 1000 | ret = mbedtls_x509_crt_verify( &clicert, &cacert, NULL, NULL, &flags, NULL, NULL ); |
Christopher Haster |
1:24750b9ad5ef | 1001 | if( ret != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 1002 | { |
Christopher Haster |
1:24750b9ad5ef | 1003 | if( verbose != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 1004 | mbedtls_printf( "failed\n" ); |
Christopher Haster |
1:24750b9ad5ef | 1005 | |
Christopher Haster |
1:24750b9ad5ef | 1006 | return( ret ); |
Christopher Haster |
1:24750b9ad5ef | 1007 | } |
Christopher Haster |
1:24750b9ad5ef | 1008 | |
Christopher Haster |
1:24750b9ad5ef | 1009 | if( verbose != 0 ) |
Christopher Haster |
1:24750b9ad5ef | 1010 | mbedtls_printf( "passed\n\n"); |
Christopher Haster |
1:24750b9ad5ef | 1011 | |
Christopher Haster |
1:24750b9ad5ef | 1012 | mbedtls_x509_crt_free( &cacert ); |
Christopher Haster |
1:24750b9ad5ef | 1013 | mbedtls_x509_crt_free( &clicert ); |
Christopher Haster |
1:24750b9ad5ef | 1014 | |
Christopher Haster |
1:24750b9ad5ef | 1015 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 1016 | #else |
Christopher Haster |
1:24750b9ad5ef | 1017 | ((void) verbose); |
Christopher Haster |
1:24750b9ad5ef | 1018 | return( 0 ); |
Christopher Haster |
1:24750b9ad5ef | 1019 | #endif /* MBEDTLS_CERTS_C && MBEDTLS_SHA1_C */ |
Christopher Haster |
1:24750b9ad5ef | 1020 | } |
Christopher Haster |
1:24750b9ad5ef | 1021 | |
Christopher Haster |
1:24750b9ad5ef | 1022 | #endif /* MBEDTLS_SELF_TEST */ |
Christopher Haster |
1:24750b9ad5ef | 1023 | |
Christopher Haster |
1:24750b9ad5ef | 1024 | #endif /* MBEDTLS_X509_USE_C */ |