I added functionality to get the RSSI, BER, and Cell Neighbor for reporting connection issues to M2X
Dependencies: WncControllerK64F
mbedtls/source/x509write_csr.c@16:8a4105d407d3, 2016-11-14 (annotated)
- Committer:
- JMF
- Date:
- Mon Nov 14 21:15:42 2016 +0000
- Revision:
- 16:8a4105d407d3
- Parent:
- 12:0071cb144c7a
updated to ensure it builds with TLS by correcting config defaults.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
JMF | 12:0071cb144c7a | 1 | /* |
JMF | 12:0071cb144c7a | 2 | * X.509 Certificate Signing Request writing |
JMF | 12:0071cb144c7a | 3 | * |
JMF | 12:0071cb144c7a | 4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
JMF | 12:0071cb144c7a | 5 | * SPDX-License-Identifier: Apache-2.0 |
JMF | 12:0071cb144c7a | 6 | * |
JMF | 12:0071cb144c7a | 7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
JMF | 12:0071cb144c7a | 8 | * not use this file except in compliance with the License. |
JMF | 12:0071cb144c7a | 9 | * You may obtain a copy of the License at |
JMF | 12:0071cb144c7a | 10 | * |
JMF | 12:0071cb144c7a | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
JMF | 12:0071cb144c7a | 12 | * |
JMF | 12:0071cb144c7a | 13 | * Unless required by applicable law or agreed to in writing, software |
JMF | 12:0071cb144c7a | 14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
JMF | 12:0071cb144c7a | 15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
JMF | 12:0071cb144c7a | 16 | * See the License for the specific language governing permissions and |
JMF | 12:0071cb144c7a | 17 | * limitations under the License. |
JMF | 12:0071cb144c7a | 18 | * |
JMF | 12:0071cb144c7a | 19 | * This file is part of mbed TLS (https://tls.mbed.org) |
JMF | 12:0071cb144c7a | 20 | */ |
JMF | 12:0071cb144c7a | 21 | /* |
JMF | 12:0071cb144c7a | 22 | * References: |
JMF | 12:0071cb144c7a | 23 | * - CSRs: PKCS#10 v1.7 aka RFC 2986 |
JMF | 12:0071cb144c7a | 24 | * - attributes: PKCS#9 v2.0 aka RFC 2985 |
JMF | 12:0071cb144c7a | 25 | */ |
JMF | 12:0071cb144c7a | 26 | |
JMF | 12:0071cb144c7a | 27 | #if !defined(MBEDTLS_CONFIG_FILE) |
JMF | 12:0071cb144c7a | 28 | #include "mbedtls/config.h" |
JMF | 12:0071cb144c7a | 29 | #else |
JMF | 12:0071cb144c7a | 30 | #include MBEDTLS_CONFIG_FILE |
JMF | 12:0071cb144c7a | 31 | #endif |
JMF | 12:0071cb144c7a | 32 | |
JMF | 12:0071cb144c7a | 33 | #if defined(MBEDTLS_X509_CSR_WRITE_C) |
JMF | 12:0071cb144c7a | 34 | |
JMF | 12:0071cb144c7a | 35 | #include "mbedtls/x509_csr.h" |
JMF | 12:0071cb144c7a | 36 | #include "mbedtls/oid.h" |
JMF | 12:0071cb144c7a | 37 | #include "mbedtls/asn1write.h" |
JMF | 12:0071cb144c7a | 38 | |
JMF | 12:0071cb144c7a | 39 | #include <string.h> |
JMF | 12:0071cb144c7a | 40 | #include <stdlib.h> |
JMF | 12:0071cb144c7a | 41 | |
JMF | 12:0071cb144c7a | 42 | #if defined(MBEDTLS_PEM_WRITE_C) |
JMF | 12:0071cb144c7a | 43 | #include "mbedtls/pem.h" |
JMF | 12:0071cb144c7a | 44 | #endif |
JMF | 12:0071cb144c7a | 45 | |
JMF | 12:0071cb144c7a | 46 | /* Implementation that should never be optimized out by the compiler */ |
JMF | 12:0071cb144c7a | 47 | static void mbedtls_zeroize( void *v, size_t n ) { |
JMF | 12:0071cb144c7a | 48 | volatile unsigned char *p = v; while( n-- ) *p++ = 0; |
JMF | 12:0071cb144c7a | 49 | } |
JMF | 12:0071cb144c7a | 50 | |
JMF | 12:0071cb144c7a | 51 | void mbedtls_x509write_csr_init( mbedtls_x509write_csr *ctx ) |
JMF | 12:0071cb144c7a | 52 | { |
JMF | 12:0071cb144c7a | 53 | memset( ctx, 0, sizeof(mbedtls_x509write_csr) ); |
JMF | 12:0071cb144c7a | 54 | } |
JMF | 12:0071cb144c7a | 55 | |
JMF | 12:0071cb144c7a | 56 | void mbedtls_x509write_csr_free( mbedtls_x509write_csr *ctx ) |
JMF | 12:0071cb144c7a | 57 | { |
JMF | 12:0071cb144c7a | 58 | mbedtls_asn1_free_named_data_list( &ctx->subject ); |
JMF | 12:0071cb144c7a | 59 | mbedtls_asn1_free_named_data_list( &ctx->extensions ); |
JMF | 12:0071cb144c7a | 60 | |
JMF | 12:0071cb144c7a | 61 | mbedtls_zeroize( ctx, sizeof(mbedtls_x509write_csr) ); |
JMF | 12:0071cb144c7a | 62 | } |
JMF | 12:0071cb144c7a | 63 | |
JMF | 12:0071cb144c7a | 64 | void mbedtls_x509write_csr_set_md_alg( mbedtls_x509write_csr *ctx, mbedtls_md_type_t md_alg ) |
JMF | 12:0071cb144c7a | 65 | { |
JMF | 12:0071cb144c7a | 66 | ctx->md_alg = md_alg; |
JMF | 12:0071cb144c7a | 67 | } |
JMF | 12:0071cb144c7a | 68 | |
JMF | 12:0071cb144c7a | 69 | void mbedtls_x509write_csr_set_key( mbedtls_x509write_csr *ctx, mbedtls_pk_context *key ) |
JMF | 12:0071cb144c7a | 70 | { |
JMF | 12:0071cb144c7a | 71 | ctx->key = key; |
JMF | 12:0071cb144c7a | 72 | } |
JMF | 12:0071cb144c7a | 73 | |
JMF | 12:0071cb144c7a | 74 | int mbedtls_x509write_csr_set_subject_name( mbedtls_x509write_csr *ctx, |
JMF | 12:0071cb144c7a | 75 | const char *subject_name ) |
JMF | 12:0071cb144c7a | 76 | { |
JMF | 12:0071cb144c7a | 77 | return mbedtls_x509_string_to_names( &ctx->subject, subject_name ); |
JMF | 12:0071cb144c7a | 78 | } |
JMF | 12:0071cb144c7a | 79 | |
JMF | 12:0071cb144c7a | 80 | int mbedtls_x509write_csr_set_extension( mbedtls_x509write_csr *ctx, |
JMF | 12:0071cb144c7a | 81 | const char *oid, size_t oid_len, |
JMF | 12:0071cb144c7a | 82 | const unsigned char *val, size_t val_len ) |
JMF | 12:0071cb144c7a | 83 | { |
JMF | 12:0071cb144c7a | 84 | return mbedtls_x509_set_extension( &ctx->extensions, oid, oid_len, |
JMF | 12:0071cb144c7a | 85 | 0, val, val_len ); |
JMF | 12:0071cb144c7a | 86 | } |
JMF | 12:0071cb144c7a | 87 | |
JMF | 12:0071cb144c7a | 88 | int mbedtls_x509write_csr_set_key_usage( mbedtls_x509write_csr *ctx, unsigned char key_usage ) |
JMF | 12:0071cb144c7a | 89 | { |
JMF | 12:0071cb144c7a | 90 | unsigned char buf[4]; |
JMF | 12:0071cb144c7a | 91 | unsigned char *c; |
JMF | 12:0071cb144c7a | 92 | int ret; |
JMF | 12:0071cb144c7a | 93 | |
JMF | 12:0071cb144c7a | 94 | c = buf + 4; |
JMF | 12:0071cb144c7a | 95 | |
JMF | 12:0071cb144c7a | 96 | if( ( ret = mbedtls_asn1_write_bitstring( &c, buf, &key_usage, 7 ) ) != 4 ) |
JMF | 12:0071cb144c7a | 97 | return( ret ); |
JMF | 12:0071cb144c7a | 98 | |
JMF | 12:0071cb144c7a | 99 | ret = mbedtls_x509write_csr_set_extension( ctx, MBEDTLS_OID_KEY_USAGE, |
JMF | 12:0071cb144c7a | 100 | MBEDTLS_OID_SIZE( MBEDTLS_OID_KEY_USAGE ), |
JMF | 12:0071cb144c7a | 101 | buf, 4 ); |
JMF | 12:0071cb144c7a | 102 | if( ret != 0 ) |
JMF | 12:0071cb144c7a | 103 | return( ret ); |
JMF | 12:0071cb144c7a | 104 | |
JMF | 12:0071cb144c7a | 105 | return( 0 ); |
JMF | 12:0071cb144c7a | 106 | } |
JMF | 12:0071cb144c7a | 107 | |
JMF | 12:0071cb144c7a | 108 | int mbedtls_x509write_csr_set_ns_cert_type( mbedtls_x509write_csr *ctx, |
JMF | 12:0071cb144c7a | 109 | unsigned char ns_cert_type ) |
JMF | 12:0071cb144c7a | 110 | { |
JMF | 12:0071cb144c7a | 111 | unsigned char buf[4]; |
JMF | 12:0071cb144c7a | 112 | unsigned char *c; |
JMF | 12:0071cb144c7a | 113 | int ret; |
JMF | 12:0071cb144c7a | 114 | |
JMF | 12:0071cb144c7a | 115 | c = buf + 4; |
JMF | 12:0071cb144c7a | 116 | |
JMF | 12:0071cb144c7a | 117 | if( ( ret = mbedtls_asn1_write_bitstring( &c, buf, &ns_cert_type, 8 ) ) != 4 ) |
JMF | 12:0071cb144c7a | 118 | return( ret ); |
JMF | 12:0071cb144c7a | 119 | |
JMF | 12:0071cb144c7a | 120 | ret = mbedtls_x509write_csr_set_extension( ctx, MBEDTLS_OID_NS_CERT_TYPE, |
JMF | 12:0071cb144c7a | 121 | MBEDTLS_OID_SIZE( MBEDTLS_OID_NS_CERT_TYPE ), |
JMF | 12:0071cb144c7a | 122 | buf, 4 ); |
JMF | 12:0071cb144c7a | 123 | if( ret != 0 ) |
JMF | 12:0071cb144c7a | 124 | return( ret ); |
JMF | 12:0071cb144c7a | 125 | |
JMF | 12:0071cb144c7a | 126 | return( 0 ); |
JMF | 12:0071cb144c7a | 127 | } |
JMF | 12:0071cb144c7a | 128 | |
JMF | 12:0071cb144c7a | 129 | int mbedtls_x509write_csr_der( mbedtls_x509write_csr *ctx, unsigned char *buf, size_t size, |
JMF | 12:0071cb144c7a | 130 | int (*f_rng)(void *, unsigned char *, size_t), |
JMF | 12:0071cb144c7a | 131 | void *p_rng ) |
JMF | 12:0071cb144c7a | 132 | { |
JMF | 12:0071cb144c7a | 133 | int ret; |
JMF | 12:0071cb144c7a | 134 | const char *sig_oid; |
JMF | 12:0071cb144c7a | 135 | size_t sig_oid_len = 0; |
JMF | 12:0071cb144c7a | 136 | unsigned char *c, *c2; |
JMF | 12:0071cb144c7a | 137 | unsigned char hash[64]; |
JMF | 12:0071cb144c7a | 138 | unsigned char sig[MBEDTLS_MPI_MAX_SIZE]; |
JMF | 12:0071cb144c7a | 139 | unsigned char tmp_buf[2048]; |
JMF | 12:0071cb144c7a | 140 | size_t pub_len = 0, sig_and_oid_len = 0, sig_len; |
JMF | 12:0071cb144c7a | 141 | size_t len = 0; |
JMF | 12:0071cb144c7a | 142 | mbedtls_pk_type_t pk_alg; |
JMF | 12:0071cb144c7a | 143 | |
JMF | 12:0071cb144c7a | 144 | /* |
JMF | 12:0071cb144c7a | 145 | * Prepare data to be signed in tmp_buf |
JMF | 12:0071cb144c7a | 146 | */ |
JMF | 12:0071cb144c7a | 147 | c = tmp_buf + sizeof( tmp_buf ); |
JMF | 12:0071cb144c7a | 148 | |
JMF | 12:0071cb144c7a | 149 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_x509_write_extensions( &c, tmp_buf, ctx->extensions ) ); |
JMF | 12:0071cb144c7a | 150 | |
JMF | 12:0071cb144c7a | 151 | if( len ) |
JMF | 12:0071cb144c7a | 152 | { |
JMF | 12:0071cb144c7a | 153 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) ); |
JMF | 12:0071cb144c7a | 154 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED | |
JMF | 12:0071cb144c7a | 155 | MBEDTLS_ASN1_SEQUENCE ) ); |
JMF | 12:0071cb144c7a | 156 | |
JMF | 12:0071cb144c7a | 157 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) ); |
JMF | 12:0071cb144c7a | 158 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED | |
JMF | 12:0071cb144c7a | 159 | MBEDTLS_ASN1_SET ) ); |
JMF | 12:0071cb144c7a | 160 | |
JMF | 12:0071cb144c7a | 161 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_oid( &c, tmp_buf, MBEDTLS_OID_PKCS9_CSR_EXT_REQ, |
JMF | 12:0071cb144c7a | 162 | MBEDTLS_OID_SIZE( MBEDTLS_OID_PKCS9_CSR_EXT_REQ ) ) ); |
JMF | 12:0071cb144c7a | 163 | |
JMF | 12:0071cb144c7a | 164 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) ); |
JMF | 12:0071cb144c7a | 165 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED | |
JMF | 12:0071cb144c7a | 166 | MBEDTLS_ASN1_SEQUENCE ) ); |
JMF | 12:0071cb144c7a | 167 | } |
JMF | 12:0071cb144c7a | 168 | |
JMF | 12:0071cb144c7a | 169 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) ); |
JMF | 12:0071cb144c7a | 170 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED | |
JMF | 12:0071cb144c7a | 171 | MBEDTLS_ASN1_CONTEXT_SPECIFIC ) ); |
JMF | 12:0071cb144c7a | 172 | |
JMF | 12:0071cb144c7a | 173 | MBEDTLS_ASN1_CHK_ADD( pub_len, mbedtls_pk_write_pubkey_der( ctx->key, |
JMF | 12:0071cb144c7a | 174 | tmp_buf, c - tmp_buf ) ); |
JMF | 12:0071cb144c7a | 175 | c -= pub_len; |
JMF | 12:0071cb144c7a | 176 | len += pub_len; |
JMF | 12:0071cb144c7a | 177 | |
JMF | 12:0071cb144c7a | 178 | /* |
JMF | 12:0071cb144c7a | 179 | * Subject ::= Name |
JMF | 12:0071cb144c7a | 180 | */ |
JMF | 12:0071cb144c7a | 181 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_x509_write_names( &c, tmp_buf, ctx->subject ) ); |
JMF | 12:0071cb144c7a | 182 | |
JMF | 12:0071cb144c7a | 183 | /* |
JMF | 12:0071cb144c7a | 184 | * Version ::= INTEGER { v1(0), v2(1), v3(2) } |
JMF | 12:0071cb144c7a | 185 | */ |
JMF | 12:0071cb144c7a | 186 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_int( &c, tmp_buf, 0 ) ); |
JMF | 12:0071cb144c7a | 187 | |
JMF | 12:0071cb144c7a | 188 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c, tmp_buf, len ) ); |
JMF | 12:0071cb144c7a | 189 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c, tmp_buf, MBEDTLS_ASN1_CONSTRUCTED | |
JMF | 12:0071cb144c7a | 190 | MBEDTLS_ASN1_SEQUENCE ) ); |
JMF | 12:0071cb144c7a | 191 | |
JMF | 12:0071cb144c7a | 192 | /* |
JMF | 12:0071cb144c7a | 193 | * Prepare signature |
JMF | 12:0071cb144c7a | 194 | */ |
JMF | 12:0071cb144c7a | 195 | mbedtls_md( mbedtls_md_info_from_type( ctx->md_alg ), c, len, hash ); |
JMF | 12:0071cb144c7a | 196 | |
JMF | 12:0071cb144c7a | 197 | pk_alg = mbedtls_pk_get_type( ctx->key ); |
JMF | 12:0071cb144c7a | 198 | if( pk_alg == MBEDTLS_PK_ECKEY ) |
JMF | 12:0071cb144c7a | 199 | pk_alg = MBEDTLS_PK_ECDSA; |
JMF | 12:0071cb144c7a | 200 | |
JMF | 12:0071cb144c7a | 201 | if( ( ret = mbedtls_pk_sign( ctx->key, ctx->md_alg, hash, 0, sig, &sig_len, |
JMF | 12:0071cb144c7a | 202 | f_rng, p_rng ) ) != 0 || |
JMF | 12:0071cb144c7a | 203 | ( ret = mbedtls_oid_get_oid_by_sig_alg( pk_alg, ctx->md_alg, |
JMF | 12:0071cb144c7a | 204 | &sig_oid, &sig_oid_len ) ) != 0 ) |
JMF | 12:0071cb144c7a | 205 | { |
JMF | 12:0071cb144c7a | 206 | return( ret ); |
JMF | 12:0071cb144c7a | 207 | } |
JMF | 12:0071cb144c7a | 208 | |
JMF | 12:0071cb144c7a | 209 | /* |
JMF | 12:0071cb144c7a | 210 | * Write data to output buffer |
JMF | 12:0071cb144c7a | 211 | */ |
JMF | 12:0071cb144c7a | 212 | c2 = buf + size; |
JMF | 12:0071cb144c7a | 213 | MBEDTLS_ASN1_CHK_ADD( sig_and_oid_len, mbedtls_x509_write_sig( &c2, buf, |
JMF | 12:0071cb144c7a | 214 | sig_oid, sig_oid_len, sig, sig_len ) ); |
JMF | 12:0071cb144c7a | 215 | |
JMF | 12:0071cb144c7a | 216 | c2 -= len; |
JMF | 12:0071cb144c7a | 217 | memcpy( c2, c, len ); |
JMF | 12:0071cb144c7a | 218 | |
JMF | 12:0071cb144c7a | 219 | len += sig_and_oid_len; |
JMF | 12:0071cb144c7a | 220 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( &c2, buf, len ) ); |
JMF | 12:0071cb144c7a | 221 | MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( &c2, buf, MBEDTLS_ASN1_CONSTRUCTED | |
JMF | 12:0071cb144c7a | 222 | MBEDTLS_ASN1_SEQUENCE ) ); |
JMF | 12:0071cb144c7a | 223 | |
JMF | 12:0071cb144c7a | 224 | return( (int) len ); |
JMF | 12:0071cb144c7a | 225 | } |
JMF | 12:0071cb144c7a | 226 | |
JMF | 12:0071cb144c7a | 227 | #define PEM_BEGIN_CSR "-----BEGIN CERTIFICATE REQUEST-----\n" |
JMF | 12:0071cb144c7a | 228 | #define PEM_END_CSR "-----END CERTIFICATE REQUEST-----\n" |
JMF | 12:0071cb144c7a | 229 | |
JMF | 12:0071cb144c7a | 230 | #if defined(MBEDTLS_PEM_WRITE_C) |
JMF | 12:0071cb144c7a | 231 | int mbedtls_x509write_csr_pem( mbedtls_x509write_csr *ctx, unsigned char *buf, size_t size, |
JMF | 12:0071cb144c7a | 232 | int (*f_rng)(void *, unsigned char *, size_t), |
JMF | 12:0071cb144c7a | 233 | void *p_rng ) |
JMF | 12:0071cb144c7a | 234 | { |
JMF | 12:0071cb144c7a | 235 | int ret; |
JMF | 12:0071cb144c7a | 236 | unsigned char output_buf[4096]; |
JMF | 12:0071cb144c7a | 237 | size_t olen = 0; |
JMF | 12:0071cb144c7a | 238 | |
JMF | 12:0071cb144c7a | 239 | if( ( ret = mbedtls_x509write_csr_der( ctx, output_buf, sizeof(output_buf), |
JMF | 12:0071cb144c7a | 240 | f_rng, p_rng ) ) < 0 ) |
JMF | 12:0071cb144c7a | 241 | { |
JMF | 12:0071cb144c7a | 242 | return( ret ); |
JMF | 12:0071cb144c7a | 243 | } |
JMF | 12:0071cb144c7a | 244 | |
JMF | 12:0071cb144c7a | 245 | if( ( ret = mbedtls_pem_write_buffer( PEM_BEGIN_CSR, PEM_END_CSR, |
JMF | 12:0071cb144c7a | 246 | output_buf + sizeof(output_buf) - ret, |
JMF | 12:0071cb144c7a | 247 | ret, buf, size, &olen ) ) != 0 ) |
JMF | 12:0071cb144c7a | 248 | { |
JMF | 12:0071cb144c7a | 249 | return( ret ); |
JMF | 12:0071cb144c7a | 250 | } |
JMF | 12:0071cb144c7a | 251 | |
JMF | 12:0071cb144c7a | 252 | return( 0 ); |
JMF | 12:0071cb144c7a | 253 | } |
JMF | 12:0071cb144c7a | 254 | #endif /* MBEDTLS_PEM_WRITE_C */ |
JMF | 12:0071cb144c7a | 255 | |
JMF | 12:0071cb144c7a | 256 | #endif /* MBEDTLS_X509_CSR_WRITE_C */ |