1160 lines
38 KiB
C
1160 lines
38 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 The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "common.h"
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#if defined(MBEDTLS_OID_C)
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#include "mbedtls/oid.h"
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#include "mbedtls/rsa.h"
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#include "mbedtls/error.h"
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#include "mbedtls/pk.h"
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#include <stdio.h>
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#include <string.h>
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#include "mbedtls/platform.h"
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/*
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* Macro to automatically add the size of #define'd OIDs
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*/
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#define ADD_LEN(s) s, MBEDTLS_OID_SIZE(s)
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/*
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* Macro to generate mbedtls_oid_descriptor_t
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*/
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#if !defined(MBEDTLS_X509_REMOVE_INFO)
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#define OID_DESCRIPTOR(s, name, description) { ADD_LEN(s), name, description }
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#define NULL_OID_DESCRIPTOR { NULL, 0, NULL, NULL }
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#else
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#define OID_DESCRIPTOR(s, name, description) { ADD_LEN(s) }
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#define NULL_OID_DESCRIPTOR { NULL, 0 }
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#endif
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/*
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* Macro to generate an internal function for oid_XXX_from_asn1() (used by
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* the other functions)
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*/
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#define FN_OID_TYPED_FROM_ASN1(TYPE_T, NAME, LIST) \
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static const TYPE_T *oid_ ## NAME ## _from_asn1( \
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const mbedtls_asn1_buf *oid) \
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{ \
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const TYPE_T *p = (LIST); \
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const mbedtls_oid_descriptor_t *cur = \
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(const mbedtls_oid_descriptor_t *) p; \
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if (p == NULL || oid == NULL) return NULL; \
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while (cur->asn1 != NULL) { \
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if (cur->asn1_len == oid->len && \
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memcmp(cur->asn1, oid->p, oid->len) == 0) { \
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return p; \
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} \
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p++; \
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cur = (const mbedtls_oid_descriptor_t *) p; \
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} \
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return NULL; \
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}
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#if !defined(MBEDTLS_X509_REMOVE_INFO)
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/*
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* Macro to generate a function for retrieving a single attribute from the
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* descriptor of an mbedtls_oid_descriptor_t wrapper.
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*/
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#define FN_OID_GET_DESCRIPTOR_ATTR1(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1) \
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int FN_NAME(const mbedtls_asn1_buf *oid, ATTR1_TYPE * ATTR1) \
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{ \
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const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1(oid); \
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if (data == NULL) return MBEDTLS_ERR_OID_NOT_FOUND; \
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*ATTR1 = data->descriptor.ATTR1; \
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return 0; \
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}
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#endif /* MBEDTLS_X509_REMOVE_INFO */
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/*
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* Macro to generate a function for retrieving a single attribute from an
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* mbedtls_oid_descriptor_t wrapper.
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*/
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#define FN_OID_GET_ATTR1(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1) \
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int FN_NAME(const mbedtls_asn1_buf *oid, ATTR1_TYPE * ATTR1) \
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{ \
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const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1(oid); \
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if (data == NULL) return MBEDTLS_ERR_OID_NOT_FOUND; \
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*ATTR1 = data->ATTR1; \
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return 0; \
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}
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/*
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* Macro to generate a function for retrieving two attributes from an
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* mbedtls_oid_descriptor_t wrapper.
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*/
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#define FN_OID_GET_ATTR2(FN_NAME, TYPE_T, TYPE_NAME, ATTR1_TYPE, ATTR1, \
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ATTR2_TYPE, ATTR2) \
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int FN_NAME(const mbedtls_asn1_buf *oid, ATTR1_TYPE * ATTR1, \
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ATTR2_TYPE * ATTR2) \
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{ \
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const TYPE_T *data = oid_ ## TYPE_NAME ## _from_asn1(oid); \
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if (data == NULL) return MBEDTLS_ERR_OID_NOT_FOUND; \
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*(ATTR1) = data->ATTR1; \
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*(ATTR2) = data->ATTR2; \
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return 0; \
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}
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/*
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* Macro to generate a function for retrieving the OID based on a single
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* attribute from a mbedtls_oid_descriptor_t wrapper.
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*/
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#define FN_OID_GET_OID_BY_ATTR1(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1) \
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int FN_NAME(ATTR1_TYPE ATTR1, const char **oid, size_t *olen) \
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{ \
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const TYPE_T *cur = (LIST); \
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while (cur->descriptor.asn1 != NULL) { \
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if (cur->ATTR1 == (ATTR1)) { \
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*oid = cur->descriptor.asn1; \
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*olen = cur->descriptor.asn1_len; \
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return 0; \
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} \
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cur++; \
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} \
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return MBEDTLS_ERR_OID_NOT_FOUND; \
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}
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/*
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* Macro to generate a function for retrieving the OID based on two
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* attributes from a mbedtls_oid_descriptor_t wrapper.
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*/
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#define FN_OID_GET_OID_BY_ATTR2(FN_NAME, TYPE_T, LIST, ATTR1_TYPE, ATTR1, \
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ATTR2_TYPE, ATTR2) \
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int FN_NAME(ATTR1_TYPE ATTR1, ATTR2_TYPE ATTR2, const char **oid, \
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size_t *olen) \
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{ \
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const TYPE_T *cur = (LIST); \
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while (cur->descriptor.asn1 != NULL) { \
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if (cur->ATTR1 == (ATTR1) && cur->ATTR2 == (ATTR2)) { \
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*oid = cur->descriptor.asn1; \
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*olen = cur->descriptor.asn1_len; \
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return 0; \
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} \
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cur++; \
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} \
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return MBEDTLS_ERR_OID_NOT_FOUND; \
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}
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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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mbedtls_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_DESCRIPTOR(MBEDTLS_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_DESCRIPTOR(MBEDTLS_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_DESCRIPTOR(MBEDTLS_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_DESCRIPTOR(MBEDTLS_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_DESCRIPTOR(MBEDTLS_OID_AT_ORGANIZATION, "id-at-organizationName",
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"Organization"),
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"O",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_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_DESCRIPTOR(MBEDTLS_OID_PKCS9_EMAIL,
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"emailAddress",
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"E-mail address"),
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"emailAddress",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_SERIAL_NUMBER,
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"id-at-serialNumber",
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"Serial number"),
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"serialNumber",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_POSTAL_ADDRESS,
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"id-at-postalAddress",
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"Postal address"),
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"postalAddress",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_POSTAL_CODE, "id-at-postalCode", "Postal code"),
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"postalCode",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_SUR_NAME, "id-at-surName", "Surname"),
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"SN",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_GIVEN_NAME, "id-at-givenName", "Given name"),
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"GN",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_INITIALS, "id-at-initials", "Initials"),
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"initials",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_GENERATION_QUALIFIER,
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"id-at-generationQualifier",
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"Generation qualifier"),
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"generationQualifier",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_TITLE, "id-at-title", "Title"),
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"title",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_DN_QUALIFIER,
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"id-at-dnQualifier",
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"Distinguished Name qualifier"),
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"dnQualifier",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_PSEUDONYM, "id-at-pseudonym", "Pseudonym"),
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"pseudonym",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_UID, "id-uid", "User Id"),
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"uid",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_DOMAIN_COMPONENT,
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"id-domainComponent",
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"Domain component"),
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"DC",
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AT_UNIQUE_IDENTIFIER,
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"id-at-uniqueIdentifier",
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"Unique Identifier"),
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"uniqueIdentifier",
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},
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{
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NULL_OID_DESCRIPTOR,
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NULL,
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}
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};
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FN_OID_TYPED_FROM_ASN1(oid_x520_attr_t, x520_attr, oid_x520_attr_type)
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FN_OID_GET_ATTR1(mbedtls_oid_get_attr_short_name,
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oid_x520_attr_t,
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x520_attr,
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const char *,
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short_name)
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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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mbedtls_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_DESCRIPTOR(MBEDTLS_OID_BASIC_CONSTRAINTS,
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"id-ce-basicConstraints",
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"Basic Constraints"),
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MBEDTLS_OID_X509_EXT_BASIC_CONSTRAINTS,
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_KEY_USAGE, "id-ce-keyUsage", "Key Usage"),
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MBEDTLS_OID_X509_EXT_KEY_USAGE,
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_EXTENDED_KEY_USAGE,
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"id-ce-extKeyUsage",
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"Extended Key Usage"),
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MBEDTLS_OID_X509_EXT_EXTENDED_KEY_USAGE,
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_SUBJECT_ALT_NAME,
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"id-ce-subjectAltName",
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"Subject Alt Name"),
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MBEDTLS_OID_X509_EXT_SUBJECT_ALT_NAME,
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_NS_CERT_TYPE,
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"id-netscape-certtype",
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"Netscape Certificate Type"),
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MBEDTLS_OID_X509_EXT_NS_CERT_TYPE,
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_CERTIFICATE_POLICIES,
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"id-ce-certificatePolicies",
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"Certificate Policies"),
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MBEDTLS_OID_X509_EXT_CERTIFICATE_POLICIES,
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_SUBJECT_KEY_IDENTIFIER,
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"id-ce-subjectKeyIdentifier",
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"Subject Key Identifier"),
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MBEDTLS_OID_X509_EXT_SUBJECT_KEY_IDENTIFIER,
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},
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{
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OID_DESCRIPTOR(MBEDTLS_OID_AUTHORITY_KEY_IDENTIFIER,
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"id-ce-authorityKeyIdentifier",
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"Authority Key Identifier"),
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MBEDTLS_OID_X509_EXT_AUTHORITY_KEY_IDENTIFIER,
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},
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{
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NULL_OID_DESCRIPTOR,
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0,
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},
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};
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FN_OID_TYPED_FROM_ASN1(oid_x509_ext_t, x509_ext, oid_x509_ext)
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FN_OID_GET_ATTR1(mbedtls_oid_get_x509_ext_type, oid_x509_ext_t, x509_ext, int, ext_type)
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#if !defined(MBEDTLS_X509_REMOVE_INFO)
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static const mbedtls_oid_descriptor_t oid_ext_key_usage[] =
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{
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OID_DESCRIPTOR(MBEDTLS_OID_SERVER_AUTH,
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"id-kp-serverAuth",
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"TLS Web Server Authentication"),
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OID_DESCRIPTOR(MBEDTLS_OID_CLIENT_AUTH,
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"id-kp-clientAuth",
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"TLS Web Client Authentication"),
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OID_DESCRIPTOR(MBEDTLS_OID_CODE_SIGNING, "id-kp-codeSigning", "Code Signing"),
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OID_DESCRIPTOR(MBEDTLS_OID_EMAIL_PROTECTION, "id-kp-emailProtection", "E-mail Protection"),
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OID_DESCRIPTOR(MBEDTLS_OID_TIME_STAMPING, "id-kp-timeStamping", "Time Stamping"),
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OID_DESCRIPTOR(MBEDTLS_OID_OCSP_SIGNING, "id-kp-OCSPSigning", "OCSP Signing"),
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OID_DESCRIPTOR(MBEDTLS_OID_WISUN_FAN,
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"id-kp-wisun-fan-device",
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"Wi-SUN Alliance Field Area Network (FAN)"),
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NULL_OID_DESCRIPTOR,
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};
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FN_OID_TYPED_FROM_ASN1(mbedtls_oid_descriptor_t, ext_key_usage, oid_ext_key_usage)
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FN_OID_GET_ATTR1(mbedtls_oid_get_extended_key_usage,
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mbedtls_oid_descriptor_t,
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ext_key_usage,
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const char *,
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description)
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static const mbedtls_oid_descriptor_t oid_certificate_policies[] =
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{
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OID_DESCRIPTOR(MBEDTLS_OID_ANY_POLICY, "anyPolicy", "Any Policy"),
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NULL_OID_DESCRIPTOR,
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};
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FN_OID_TYPED_FROM_ASN1(mbedtls_oid_descriptor_t, certificate_policies, oid_certificate_policies)
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FN_OID_GET_ATTR1(mbedtls_oid_get_certificate_policies,
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mbedtls_oid_descriptor_t,
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certificate_policies,
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const char *,
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description)
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#endif /* MBEDTLS_X509_REMOVE_INFO */
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/*
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* For SignatureAlgorithmIdentifier
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*/
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typedef struct {
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mbedtls_oid_descriptor_t descriptor;
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mbedtls_md_type_t md_alg;
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mbedtls_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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#if defined(MBEDTLS_RSA_C)
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#if defined(MBEDTLS_MD_CAN_MD5)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_MD5, "md5WithRSAEncryption", "RSA with MD5"),
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MBEDTLS_MD_MD5, MBEDTLS_PK_RSA,
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},
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#endif /* MBEDTLS_MD_CAN_MD5 */
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#if defined(MBEDTLS_MD_CAN_SHA1)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA1, "sha-1WithRSAEncryption", "RSA with SHA1"),
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MBEDTLS_MD_SHA1, MBEDTLS_PK_RSA,
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},
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#endif /* MBEDTLS_MD_CAN_SHA1 */
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#if defined(MBEDTLS_MD_CAN_SHA224)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA224, "sha224WithRSAEncryption",
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"RSA with SHA-224"),
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MBEDTLS_MD_SHA224, MBEDTLS_PK_RSA,
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},
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#endif /* MBEDTLS_MD_CAN_SHA224 */
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#if defined(MBEDTLS_MD_CAN_SHA256)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA256, "sha256WithRSAEncryption",
|
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"RSA with SHA-256"),
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MBEDTLS_MD_SHA256, MBEDTLS_PK_RSA,
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},
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#endif /* MBEDTLS_MD_CAN_SHA256 */
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#if defined(MBEDTLS_MD_CAN_SHA384)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA384, "sha384WithRSAEncryption",
|
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"RSA with SHA-384"),
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MBEDTLS_MD_SHA384, MBEDTLS_PK_RSA,
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},
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#endif /* MBEDTLS_MD_CAN_SHA384 */
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#if defined(MBEDTLS_MD_CAN_SHA512)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_SHA512, "sha512WithRSAEncryption",
|
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"RSA with SHA-512"),
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MBEDTLS_MD_SHA512, MBEDTLS_PK_RSA,
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},
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#endif /* MBEDTLS_MD_CAN_SHA512 */
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#if defined(MBEDTLS_MD_CAN_SHA1)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_RSA_SHA_OBS, "sha-1WithRSAEncryption", "RSA with SHA1"),
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MBEDTLS_MD_SHA1, MBEDTLS_PK_RSA,
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},
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#endif /* MBEDTLS_MD_CAN_SHA1 */
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#endif /* MBEDTLS_RSA_C */
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#if defined(MBEDTLS_PK_CAN_ECDSA_SOME)
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#if defined(MBEDTLS_MD_CAN_SHA1)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA1, "ecdsa-with-SHA1", "ECDSA with SHA1"),
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MBEDTLS_MD_SHA1, MBEDTLS_PK_ECDSA,
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},
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#endif /* MBEDTLS_MD_CAN_SHA1 */
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#if defined(MBEDTLS_MD_CAN_SHA224)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA224, "ecdsa-with-SHA224", "ECDSA with SHA224"),
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MBEDTLS_MD_SHA224, MBEDTLS_PK_ECDSA,
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},
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#endif
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#if defined(MBEDTLS_MD_CAN_SHA256)
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{
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OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA256, "ecdsa-with-SHA256", "ECDSA with SHA256"),
|
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MBEDTLS_MD_SHA256, MBEDTLS_PK_ECDSA,
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},
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#endif /* MBEDTLS_MD_CAN_SHA256 */
|
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#if defined(MBEDTLS_MD_CAN_SHA384)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA384, "ecdsa-with-SHA384", "ECDSA with SHA384"),
|
|
MBEDTLS_MD_SHA384, MBEDTLS_PK_ECDSA,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA384 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA512)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_ECDSA_SHA512, "ecdsa-with-SHA512", "ECDSA with SHA512"),
|
|
MBEDTLS_MD_SHA512, MBEDTLS_PK_ECDSA,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA512 */
|
|
#endif /* MBEDTLS_PK_CAN_ECDSA_SOME */
|
|
#if defined(MBEDTLS_RSA_C)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_RSASSA_PSS, "RSASSA-PSS", "RSASSA-PSS"),
|
|
MBEDTLS_MD_NONE, MBEDTLS_PK_RSASSA_PSS,
|
|
},
|
|
#endif /* MBEDTLS_RSA_C */
|
|
{
|
|
NULL_OID_DESCRIPTOR,
|
|
MBEDTLS_MD_NONE, MBEDTLS_PK_NONE,
|
|
},
|
|
};
|
|
|
|
FN_OID_TYPED_FROM_ASN1(oid_sig_alg_t, sig_alg, oid_sig_alg)
|
|
|
|
#if !defined(MBEDTLS_X509_REMOVE_INFO)
|
|
FN_OID_GET_DESCRIPTOR_ATTR1(mbedtls_oid_get_sig_alg_desc,
|
|
oid_sig_alg_t,
|
|
sig_alg,
|
|
const char *,
|
|
description)
|
|
#endif
|
|
|
|
FN_OID_GET_ATTR2(mbedtls_oid_get_sig_alg,
|
|
oid_sig_alg_t,
|
|
sig_alg,
|
|
mbedtls_md_type_t,
|
|
md_alg,
|
|
mbedtls_pk_type_t,
|
|
pk_alg)
|
|
FN_OID_GET_OID_BY_ATTR2(mbedtls_oid_get_oid_by_sig_alg,
|
|
oid_sig_alg_t,
|
|
oid_sig_alg,
|
|
mbedtls_pk_type_t,
|
|
pk_alg,
|
|
mbedtls_md_type_t,
|
|
md_alg)
|
|
|
|
/*
|
|
* For PublicKeyInfo (PKCS1, RFC 5480)
|
|
*/
|
|
typedef struct {
|
|
mbedtls_oid_descriptor_t descriptor;
|
|
mbedtls_pk_type_t pk_alg;
|
|
} oid_pk_alg_t;
|
|
|
|
static const oid_pk_alg_t oid_pk_alg[] =
|
|
{
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_PKCS1_RSA, "rsaEncryption", "RSA"),
|
|
MBEDTLS_PK_RSA,
|
|
},
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_ALG_UNRESTRICTED, "id-ecPublicKey", "Generic EC key"),
|
|
MBEDTLS_PK_ECKEY,
|
|
},
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_ALG_ECDH, "id-ecDH", "EC key for ECDH"),
|
|
MBEDTLS_PK_ECKEY_DH,
|
|
},
|
|
{
|
|
NULL_OID_DESCRIPTOR,
|
|
MBEDTLS_PK_NONE,
|
|
},
|
|
};
|
|
|
|
FN_OID_TYPED_FROM_ASN1(oid_pk_alg_t, pk_alg, oid_pk_alg)
|
|
FN_OID_GET_ATTR1(mbedtls_oid_get_pk_alg, oid_pk_alg_t, pk_alg, mbedtls_pk_type_t, pk_alg)
|
|
FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_pk_alg,
|
|
oid_pk_alg_t,
|
|
oid_pk_alg,
|
|
mbedtls_pk_type_t,
|
|
pk_alg)
|
|
|
|
#if defined(MBEDTLS_PK_HAVE_ECC_KEYS)
|
|
/*
|
|
* For elliptic curves that use namedCurve inside ECParams (RFC 5480)
|
|
*/
|
|
typedef struct {
|
|
mbedtls_oid_descriptor_t descriptor;
|
|
mbedtls_ecp_group_id grp_id;
|
|
} oid_ecp_grp_t;
|
|
|
|
static const oid_ecp_grp_t oid_ecp_grp[] =
|
|
{
|
|
#if defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP192R1, "secp192r1", "secp192r1"),
|
|
MBEDTLS_ECP_DP_SECP192R1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_SECP192R1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP224R1, "secp224r1", "secp224r1"),
|
|
MBEDTLS_ECP_DP_SECP224R1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_SECP224R1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP256R1, "secp256r1", "secp256r1"),
|
|
MBEDTLS_ECP_DP_SECP256R1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_SECP256R1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP384R1, "secp384r1", "secp384r1"),
|
|
MBEDTLS_ECP_DP_SECP384R1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_SECP384R1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP521R1, "secp521r1", "secp521r1"),
|
|
MBEDTLS_ECP_DP_SECP521R1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_SECP521R1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP192K1, "secp192k1", "secp192k1"),
|
|
MBEDTLS_ECP_DP_SECP192K1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_SECP192K1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP224K1, "secp224k1", "secp224k1"),
|
|
MBEDTLS_ECP_DP_SECP224K1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_SECP224K1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP256K1, "secp256k1", "secp256k1"),
|
|
MBEDTLS_ECP_DP_SECP256K1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_SECP256K1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_BP256R1, "brainpoolP256r1", "brainpool256r1"),
|
|
MBEDTLS_ECP_DP_BP256R1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_BP256R1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_BP384R1, "brainpoolP384r1", "brainpool384r1"),
|
|
MBEDTLS_ECP_DP_BP384R1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_BP384R1_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_BP512R1, "brainpoolP512r1", "brainpool512r1"),
|
|
MBEDTLS_ECP_DP_BP512R1,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_BP512R1_ENABLED */
|
|
{
|
|
NULL_OID_DESCRIPTOR,
|
|
MBEDTLS_ECP_DP_NONE,
|
|
},
|
|
};
|
|
|
|
FN_OID_TYPED_FROM_ASN1(oid_ecp_grp_t, grp_id, oid_ecp_grp)
|
|
FN_OID_GET_ATTR1(mbedtls_oid_get_ec_grp, oid_ecp_grp_t, grp_id, mbedtls_ecp_group_id, grp_id)
|
|
FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_ec_grp,
|
|
oid_ecp_grp_t,
|
|
oid_ecp_grp,
|
|
mbedtls_ecp_group_id,
|
|
grp_id)
|
|
|
|
/*
|
|
* For Elliptic Curve algorithms that are directly
|
|
* encoded in the AlgorithmIdentifier (RFC 8410)
|
|
*/
|
|
typedef struct {
|
|
mbedtls_oid_descriptor_t descriptor;
|
|
mbedtls_ecp_group_id grp_id;
|
|
} oid_ecp_grp_algid_t;
|
|
|
|
static const oid_ecp_grp_algid_t oid_ecp_grp_algid[] =
|
|
{
|
|
#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_X25519, "X25519", "X25519"),
|
|
MBEDTLS_ECP_DP_CURVE25519,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_CURVE25519_ENABLED */
|
|
#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_X448, "X448", "X448"),
|
|
MBEDTLS_ECP_DP_CURVE448,
|
|
},
|
|
#endif /* MBEDTLS_ECP_DP_CURVE448_ENABLED */
|
|
{
|
|
NULL_OID_DESCRIPTOR,
|
|
MBEDTLS_ECP_DP_NONE,
|
|
},
|
|
};
|
|
|
|
FN_OID_TYPED_FROM_ASN1(oid_ecp_grp_algid_t, grp_id_algid, oid_ecp_grp_algid)
|
|
FN_OID_GET_ATTR1(mbedtls_oid_get_ec_grp_algid,
|
|
oid_ecp_grp_algid_t,
|
|
grp_id_algid,
|
|
mbedtls_ecp_group_id,
|
|
grp_id)
|
|
FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_ec_grp_algid,
|
|
oid_ecp_grp_algid_t,
|
|
oid_ecp_grp_algid,
|
|
mbedtls_ecp_group_id,
|
|
grp_id)
|
|
#endif /* MBEDTLS_PK_HAVE_ECC_KEYS */
|
|
|
|
#if defined(MBEDTLS_CIPHER_C)
|
|
/*
|
|
* For PKCS#5 PBES2 encryption algorithm
|
|
*/
|
|
typedef struct {
|
|
mbedtls_oid_descriptor_t descriptor;
|
|
mbedtls_cipher_type_t cipher_alg;
|
|
} oid_cipher_alg_t;
|
|
|
|
static const oid_cipher_alg_t oid_cipher_alg[] =
|
|
{
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DES_CBC, "desCBC", "DES-CBC"),
|
|
MBEDTLS_CIPHER_DES_CBC,
|
|
},
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DES_EDE3_CBC, "des-ede3-cbc", "DES-EDE3-CBC"),
|
|
MBEDTLS_CIPHER_DES_EDE3_CBC,
|
|
},
|
|
{
|
|
NULL_OID_DESCRIPTOR,
|
|
MBEDTLS_CIPHER_NONE,
|
|
},
|
|
};
|
|
|
|
FN_OID_TYPED_FROM_ASN1(oid_cipher_alg_t, cipher_alg, oid_cipher_alg)
|
|
FN_OID_GET_ATTR1(mbedtls_oid_get_cipher_alg,
|
|
oid_cipher_alg_t,
|
|
cipher_alg,
|
|
mbedtls_cipher_type_t,
|
|
cipher_alg)
|
|
#endif /* MBEDTLS_CIPHER_C */
|
|
|
|
/*
|
|
* For digestAlgorithm
|
|
*/
|
|
typedef struct {
|
|
mbedtls_oid_descriptor_t descriptor;
|
|
mbedtls_md_type_t md_alg;
|
|
} oid_md_alg_t;
|
|
|
|
static const oid_md_alg_t oid_md_alg[] =
|
|
{
|
|
#if defined(MBEDTLS_MD_CAN_MD5)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_MD5, "id-md5", "MD5"),
|
|
MBEDTLS_MD_MD5,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA1)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA1, "id-sha1", "SHA-1"),
|
|
MBEDTLS_MD_SHA1,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA224)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA224, "id-sha224", "SHA-224"),
|
|
MBEDTLS_MD_SHA224,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA256)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA256, "id-sha256", "SHA-256"),
|
|
MBEDTLS_MD_SHA256,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA384)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA384, "id-sha384", "SHA-384"),
|
|
MBEDTLS_MD_SHA384,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA512)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA512, "id-sha512", "SHA-512"),
|
|
MBEDTLS_MD_SHA512,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_RIPEMD160)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_RIPEMD160, "id-ripemd160", "RIPEMD-160"),
|
|
MBEDTLS_MD_RIPEMD160,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA3_224)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_224, "id-sha3-224", "SHA-3-224"),
|
|
MBEDTLS_MD_SHA3_224,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA3_256)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_256, "id-sha3-256", "SHA-3-256"),
|
|
MBEDTLS_MD_SHA3_256,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA3_384)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_384, "id-sha3-384", "SHA-3-384"),
|
|
MBEDTLS_MD_SHA3_384,
|
|
},
|
|
#endif
|
|
#if defined(MBEDTLS_MD_CAN_SHA3_512)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_DIGEST_ALG_SHA3_512, "id-sha3-512", "SHA-3-512"),
|
|
MBEDTLS_MD_SHA3_512,
|
|
},
|
|
#endif
|
|
{
|
|
NULL_OID_DESCRIPTOR,
|
|
MBEDTLS_MD_NONE,
|
|
},
|
|
};
|
|
|
|
FN_OID_TYPED_FROM_ASN1(oid_md_alg_t, md_alg, oid_md_alg)
|
|
FN_OID_GET_ATTR1(mbedtls_oid_get_md_alg, oid_md_alg_t, md_alg, mbedtls_md_type_t, md_alg)
|
|
FN_OID_GET_OID_BY_ATTR1(mbedtls_oid_get_oid_by_md,
|
|
oid_md_alg_t,
|
|
oid_md_alg,
|
|
mbedtls_md_type_t,
|
|
md_alg)
|
|
|
|
/*
|
|
* For HMAC digestAlgorithm
|
|
*/
|
|
typedef struct {
|
|
mbedtls_oid_descriptor_t descriptor;
|
|
mbedtls_md_type_t md_hmac;
|
|
} oid_md_hmac_t;
|
|
|
|
static const oid_md_hmac_t oid_md_hmac[] =
|
|
{
|
|
#if defined(MBEDTLS_MD_CAN_SHA1)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA1, "hmacSHA1", "HMAC-SHA-1"),
|
|
MBEDTLS_MD_SHA1,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA1 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA224)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA224, "hmacSHA224", "HMAC-SHA-224"),
|
|
MBEDTLS_MD_SHA224,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA224 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA256)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA256, "hmacSHA256", "HMAC-SHA-256"),
|
|
MBEDTLS_MD_SHA256,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA256 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA384)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA384, "hmacSHA384", "HMAC-SHA-384"),
|
|
MBEDTLS_MD_SHA384,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA384 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA512)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA512, "hmacSHA512", "HMAC-SHA-512"),
|
|
MBEDTLS_MD_SHA512,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA512 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA3_224)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA3_224, "hmacSHA3-224", "HMAC-SHA3-224"),
|
|
MBEDTLS_MD_SHA3_224,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA3_224 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA3_256)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA3_256, "hmacSHA3-256", "HMAC-SHA3-256"),
|
|
MBEDTLS_MD_SHA3_256,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA3_256 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA3_384)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA3_384, "hmacSHA3-384", "HMAC-SHA3-384"),
|
|
MBEDTLS_MD_SHA3_384,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA3_384 */
|
|
#if defined(MBEDTLS_MD_CAN_SHA3_512)
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_HMAC_SHA3_512, "hmacSHA3-512", "HMAC-SHA3-512"),
|
|
MBEDTLS_MD_SHA3_512,
|
|
},
|
|
#endif /* MBEDTLS_MD_CAN_SHA3_512 */
|
|
{
|
|
NULL_OID_DESCRIPTOR,
|
|
MBEDTLS_MD_NONE,
|
|
},
|
|
};
|
|
|
|
FN_OID_TYPED_FROM_ASN1(oid_md_hmac_t, md_hmac, oid_md_hmac)
|
|
FN_OID_GET_ATTR1(mbedtls_oid_get_md_hmac, oid_md_hmac_t, md_hmac, mbedtls_md_type_t, md_hmac)
|
|
|
|
#if defined(MBEDTLS_PKCS12_C)
|
|
/*
|
|
* For PKCS#12 PBEs
|
|
*/
|
|
typedef struct {
|
|
mbedtls_oid_descriptor_t descriptor;
|
|
mbedtls_md_type_t md_alg;
|
|
mbedtls_cipher_type_t cipher_alg;
|
|
} oid_pkcs12_pbe_alg_t;
|
|
|
|
static const oid_pkcs12_pbe_alg_t oid_pkcs12_pbe_alg[] =
|
|
{
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_PKCS12_PBE_SHA1_DES3_EDE_CBC,
|
|
"pbeWithSHAAnd3-KeyTripleDES-CBC",
|
|
"PBE with SHA1 and 3-Key 3DES"),
|
|
MBEDTLS_MD_SHA1, MBEDTLS_CIPHER_DES_EDE3_CBC,
|
|
},
|
|
{
|
|
OID_DESCRIPTOR(MBEDTLS_OID_PKCS12_PBE_SHA1_DES2_EDE_CBC,
|
|
"pbeWithSHAAnd2-KeyTripleDES-CBC",
|
|
"PBE with SHA1 and 2-Key 3DES"),
|
|
MBEDTLS_MD_SHA1, MBEDTLS_CIPHER_DES_EDE_CBC,
|
|
},
|
|
{
|
|
NULL_OID_DESCRIPTOR,
|
|
MBEDTLS_MD_NONE, MBEDTLS_CIPHER_NONE,
|
|
},
|
|
};
|
|
|
|
FN_OID_TYPED_FROM_ASN1(oid_pkcs12_pbe_alg_t, pkcs12_pbe_alg, oid_pkcs12_pbe_alg)
|
|
FN_OID_GET_ATTR2(mbedtls_oid_get_pkcs12_pbe_alg,
|
|
oid_pkcs12_pbe_alg_t,
|
|
pkcs12_pbe_alg,
|
|
mbedtls_md_type_t,
|
|
md_alg,
|
|
mbedtls_cipher_type_t,
|
|
cipher_alg)
|
|
#endif /* MBEDTLS_PKCS12_C */
|
|
|
|
/* Return the x.y.z.... style numeric string for the given OID */
|
|
int mbedtls_oid_get_numeric_string(char *buf, size_t size,
|
|
const mbedtls_asn1_buf *oid)
|
|
{
|
|
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
|
|
char *p = buf;
|
|
size_t n = size;
|
|
unsigned int value = 0;
|
|
|
|
if (size > INT_MAX) {
|
|
/* Avoid overflow computing return value */
|
|
return MBEDTLS_ERR_ASN1_INVALID_LENGTH;
|
|
}
|
|
|
|
if (oid->len <= 0) {
|
|
/* OID must not be empty */
|
|
return MBEDTLS_ERR_ASN1_OUT_OF_DATA;
|
|
}
|
|
|
|
for (size_t i = 0; i < oid->len; i++) {
|
|
/* Prevent overflow in value. */
|
|
if (value > (UINT_MAX >> 7)) {
|
|
return MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
}
|
|
if ((value == 0) && ((oid->p[i]) == 0x80)) {
|
|
/* Overlong encoding is not allowed */
|
|
return MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
}
|
|
|
|
value <<= 7;
|
|
value |= oid->p[i] & 0x7F;
|
|
|
|
if (!(oid->p[i] & 0x80)) {
|
|
/* Last byte */
|
|
if (n == size) {
|
|
int component1;
|
|
unsigned int component2;
|
|
/* First subidentifier contains first two OID components */
|
|
if (value >= 80) {
|
|
component1 = '2';
|
|
component2 = value - 80;
|
|
} else if (value >= 40) {
|
|
component1 = '1';
|
|
component2 = value - 40;
|
|
} else {
|
|
component1 = '0';
|
|
component2 = value;
|
|
}
|
|
ret = mbedtls_snprintf(p, n, "%c.%u", component1, component2);
|
|
} else {
|
|
ret = mbedtls_snprintf(p, n, ".%u", value);
|
|
}
|
|
if (ret < 2 || (size_t) ret >= n) {
|
|
return MBEDTLS_ERR_OID_BUF_TOO_SMALL;
|
|
}
|
|
n -= (size_t) ret;
|
|
p += ret;
|
|
value = 0;
|
|
}
|
|
}
|
|
|
|
if (value != 0) {
|
|
/* Unterminated subidentifier */
|
|
return MBEDTLS_ERR_ASN1_OUT_OF_DATA;
|
|
}
|
|
|
|
return (int) (size - n);
|
|
}
|
|
|
|
static int oid_parse_number(unsigned int *num, const char **p, const char *bound)
|
|
{
|
|
int ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
|
|
*num = 0;
|
|
|
|
while (*p < bound && **p >= '0' && **p <= '9') {
|
|
ret = 0;
|
|
if (*num > (UINT_MAX / 10)) {
|
|
return MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
}
|
|
*num *= 10;
|
|
*num += **p - '0';
|
|
(*p)++;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static size_t oid_subidentifier_num_bytes(unsigned int value)
|
|
{
|
|
size_t num_bytes = 0;
|
|
|
|
do {
|
|
value >>= 7;
|
|
num_bytes++;
|
|
} while (value != 0);
|
|
|
|
return num_bytes;
|
|
}
|
|
|
|
static int oid_subidentifier_encode_into(unsigned char **p,
|
|
unsigned char *bound,
|
|
unsigned int value)
|
|
{
|
|
size_t num_bytes = oid_subidentifier_num_bytes(value);
|
|
|
|
if ((size_t) (bound - *p) < num_bytes) {
|
|
return MBEDTLS_ERR_OID_BUF_TOO_SMALL;
|
|
}
|
|
(*p)[num_bytes - 1] = (unsigned char) (value & 0x7f);
|
|
value >>= 7;
|
|
|
|
for (size_t i = 2; i <= num_bytes; i++) {
|
|
(*p)[num_bytes - i] = 0x80 | (unsigned char) (value & 0x7f);
|
|
value >>= 7;
|
|
}
|
|
*p += num_bytes;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Return the OID for the given x.y.z.... style numeric string */
|
|
int mbedtls_oid_from_numeric_string(mbedtls_asn1_buf *oid,
|
|
const char *oid_str, size_t size)
|
|
{
|
|
int ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
const char *str_ptr = oid_str;
|
|
const char *str_bound = oid_str + size;
|
|
unsigned int val = 0;
|
|
unsigned int component1, component2;
|
|
size_t encoded_len;
|
|
unsigned char *resized_mem;
|
|
|
|
/* Count the number of dots to get a worst-case allocation size. */
|
|
size_t num_dots = 0;
|
|
for (size_t i = 0; i < size; i++) {
|
|
if (oid_str[i] == '.') {
|
|
num_dots++;
|
|
}
|
|
}
|
|
/* Allocate maximum possible required memory:
|
|
* There are (num_dots + 1) integer components, but the first 2 share the
|
|
* same subidentifier, so we only need num_dots subidentifiers maximum. */
|
|
if (num_dots == 0 || (num_dots > MBEDTLS_OID_MAX_COMPONENTS - 1)) {
|
|
return MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
}
|
|
/* Each byte can store 7 bits, calculate number of bytes for a
|
|
* subidentifier:
|
|
*
|
|
* bytes = ceil(subidentifer_size * 8 / 7)
|
|
*/
|
|
size_t bytes_per_subidentifier = (((sizeof(unsigned int) * 8) - 1) / 7)
|
|
+ 1;
|
|
size_t max_possible_bytes = num_dots * bytes_per_subidentifier;
|
|
oid->p = mbedtls_calloc(max_possible_bytes, 1);
|
|
if (oid->p == NULL) {
|
|
return MBEDTLS_ERR_ASN1_ALLOC_FAILED;
|
|
}
|
|
unsigned char *out_ptr = oid->p;
|
|
unsigned char *out_bound = oid->p + max_possible_bytes;
|
|
|
|
ret = oid_parse_number(&component1, &str_ptr, str_bound);
|
|
if (ret != 0) {
|
|
goto error;
|
|
}
|
|
if (component1 > 2) {
|
|
/* First component can't be > 2 */
|
|
ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
goto error;
|
|
}
|
|
if (str_ptr >= str_bound || *str_ptr != '.') {
|
|
ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
goto error;
|
|
}
|
|
str_ptr++;
|
|
|
|
ret = oid_parse_number(&component2, &str_ptr, str_bound);
|
|
if (ret != 0) {
|
|
goto error;
|
|
}
|
|
if ((component1 < 2) && (component2 > 39)) {
|
|
/* Root nodes 0 and 1 may have up to 40 children, numbered 0-39 */
|
|
ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
goto error;
|
|
}
|
|
if (str_ptr < str_bound) {
|
|
if (*str_ptr == '.') {
|
|
str_ptr++;
|
|
} else {
|
|
ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
if (component2 > (UINT_MAX - (component1 * 40))) {
|
|
ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
goto error;
|
|
}
|
|
ret = oid_subidentifier_encode_into(&out_ptr, out_bound,
|
|
(component1 * 40) + component2);
|
|
if (ret != 0) {
|
|
goto error;
|
|
}
|
|
|
|
while (str_ptr < str_bound) {
|
|
ret = oid_parse_number(&val, &str_ptr, str_bound);
|
|
if (ret != 0) {
|
|
goto error;
|
|
}
|
|
if (str_ptr < str_bound) {
|
|
if (*str_ptr == '.') {
|
|
str_ptr++;
|
|
} else {
|
|
ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
ret = oid_subidentifier_encode_into(&out_ptr, out_bound, val);
|
|
if (ret != 0) {
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
encoded_len = out_ptr - oid->p;
|
|
resized_mem = mbedtls_calloc(encoded_len, 1);
|
|
if (resized_mem == NULL) {
|
|
ret = MBEDTLS_ERR_ASN1_ALLOC_FAILED;
|
|
goto error;
|
|
}
|
|
memcpy(resized_mem, oid->p, encoded_len);
|
|
mbedtls_free(oid->p);
|
|
oid->p = resized_mem;
|
|
oid->len = encoded_len;
|
|
|
|
oid->tag = MBEDTLS_ASN1_OID;
|
|
|
|
return 0;
|
|
|
|
error:
|
|
mbedtls_free(oid->p);
|
|
oid->p = NULL;
|
|
oid->len = 0;
|
|
return ret;
|
|
}
|
|
|
|
#endif /* MBEDTLS_OID_C */
|