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simple-mbed-cloud-client/mbed-cloud-client/certificate-enrollment-client/source/include/ce_tlv.h@0:8f0bb79ddd48, 2021-05-04 (annotated)

Committer:
leothedragon
Date:
Tue May 04 08:55:12 2021 +0000
Revision:
0:8f0bb79ddd48
nmn

Who changed what in which revision?

UserRevisionLine numberNew contents of line
leothedragon 0:8f0bb79ddd48 1 // ----------------------------------------------------------------------------
leothedragon 0:8f0bb79ddd48 2 // Copyright 2018 ARM Ltd.
leothedragon 0:8f0bb79ddd48 3 //
leothedragon 0:8f0bb79ddd48 4 // Licensed under the Apache License, Version 2.0 (the "License");
leothedragon 0:8f0bb79ddd48 5 // you may not use this file except in compliance with the License.
leothedragon 0:8f0bb79ddd48 6 // You may obtain a copy of the License at
leothedragon 0:8f0bb79ddd48 7 //
leothedragon 0:8f0bb79ddd48 8 // http://www.apache.org/licenses/LICENSE-2.0
leothedragon 0:8f0bb79ddd48 9 //
leothedragon 0:8f0bb79ddd48 10 // Unless required by applicable law or agreed to in writing, software
leothedragon 0:8f0bb79ddd48 11 // distributed under the License is distributed on an "AS IS" BASIS,
leothedragon 0:8f0bb79ddd48 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
leothedragon 0:8f0bb79ddd48 13 // See the License for the specific language governing permissions and
leothedragon 0:8f0bb79ddd48 14 // limitations under the License.
leothedragon 0:8f0bb79ddd48 15 // ----------------------------------------------------------------------------
leothedragon 0:8f0bb79ddd48 16
leothedragon 0:8f0bb79ddd48 17 #ifndef __CE_TLV_H__
leothedragon 0:8f0bb79ddd48 18 #define __CE_TLV_H__
leothedragon 0:8f0bb79ddd48 19
leothedragon 0:8f0bb79ddd48 20 #ifdef __cplusplus
leothedragon 0:8f0bb79ddd48 21 extern "C" {
leothedragon 0:8f0bb79ddd48 22 #endif
leothedragon 0:8f0bb79ddd48 23 #include <stdint.h>
leothedragon 0:8f0bb79ddd48 24 #include <stdbool.h>
leothedragon 0:8f0bb79ddd48 25 #include <stddef.h>
leothedragon 0:8f0bb79ddd48 26
leothedragon 0:8f0bb79ddd48 27 typedef enum {
leothedragon 0:8f0bb79ddd48 28 CE_TLV_STATUS_SUCCESS,
leothedragon 0:8f0bb79ddd48 29 CE_TLV_STATUS_END,
leothedragon 0:8f0bb79ddd48 30 CE_TLV_STATUS_INVALID_ARG,
leothedragon 0:8f0bb79ddd48 31 CE_TLV_STATUS_TEXT_NOT_TERMINATED,
leothedragon 0:8f0bb79ddd48 32 CE_TLV_STATUS_MALFORMED_TLV,
leothedragon 0:8f0bb79ddd48 33 CE_TLV_STATUS_ERROR,
leothedragon 0:8f0bb79ddd48 34 CE_TLV_STATUS_ENCODER_INSUFFICIENT_BUFFER
leothedragon 0:8f0bb79ddd48 35 } ce_tlv_status_e;
leothedragon 0:8f0bb79ddd48 36
leothedragon 0:8f0bb79ddd48 37 typedef enum {
leothedragon 0:8f0bb79ddd48 38 CE_TLV_TYPE_CERT_NAME = 1
leothedragon 0:8f0bb79ddd48 39 } ce_tlv_type_e;
leothedragon 0:8f0bb79ddd48 40
leothedragon 0:8f0bb79ddd48 41 typedef struct ce_tlv_element_ {
leothedragon 0:8f0bb79ddd48 42 const uint8_t *_current; // 4 bytes
leothedragon 0:8f0bb79ddd48 43 const uint8_t *_end; // 4 bytes
leothedragon 0:8f0bb79ddd48 44 union {
leothedragon 0:8f0bb79ddd48 45 const uint8_t *bytes;
leothedragon 0:8f0bb79ddd48 46 const char *text;
leothedragon 0:8f0bb79ddd48 47 int integer;
leothedragon 0:8f0bb79ddd48 48 } val; // 4 bytes
leothedragon 0:8f0bb79ddd48 49 bool is_required;
leothedragon 0:8f0bb79ddd48 50 uint16_t type; // 2 bytes
leothedragon 0:8f0bb79ddd48 51 uint16_t len; // 2 bytes
leothedragon 0:8f0bb79ddd48 52 } ce_tlv_element_s;
leothedragon 0:8f0bb79ddd48 53
leothedragon 0:8f0bb79ddd48 54 ce_tlv_status_e ce_tlv_parser_init(const uint8_t *tlv_buf, size_t tlv_buf_len, ce_tlv_element_s *element_out);
leothedragon 0:8f0bb79ddd48 55 ce_tlv_status_e ce_tlv_parse_next(ce_tlv_element_s *element);
leothedragon 0:8f0bb79ddd48 56
leothedragon 0:8f0bb79ddd48 57 /* Checks if the given element is required or optional by testing
leothedragon 0:8f0bb79ddd48 58 * the "type" MSB bit. [0 == required] while [1 == optional]
leothedragon 0:8f0bb79ddd48 59 *
leothedragon 0:8f0bb79ddd48 60 * @param element[IN] The element to test
leothedragon 0:8f0bb79ddd48 61 *
leothedragon 0:8f0bb79ddd48 62 * @return "true" if element is required, "false" otherwise.
leothedragon 0:8f0bb79ddd48 63 */
leothedragon 0:8f0bb79ddd48 64 bool is_required(const ce_tlv_element_s *element);
leothedragon 0:8f0bb79ddd48 65
leothedragon 0:8f0bb79ddd48 66 #ifdef CERT_RENEWAL_TEST
leothedragon 0:8f0bb79ddd48 67 typedef struct ce_tlv_encoder_ {
leothedragon 0:8f0bb79ddd48 68 uint8_t *buf; // 4 bytes
leothedragon 0:8f0bb79ddd48 69 uint16_t encoded_length; // 2 bytes
leothedragon 0:8f0bb79ddd48 70 uint16_t _buf_size; // 2 bytes
leothedragon 0:8f0bb79ddd48 71 } ce_tlv_encoder_s;
leothedragon 0:8f0bb79ddd48 72
leothedragon 0:8f0bb79ddd48 73 void ce_tlv_encoder_init(uint8_t *buf, uint16_t buf_size, ce_tlv_encoder_s *encoder);
leothedragon 0:8f0bb79ddd48 74 ce_tlv_status_e tlv_add_str(ce_tlv_type_e type, uint16_t length, const char *value, bool is_tlv_required, ce_tlv_encoder_s *encoder);
leothedragon 0:8f0bb79ddd48 75
leothedragon 0:8f0bb79ddd48 76 #endif // CERT_RENEWAL_TEST
leothedragon 0:8f0bb79ddd48 77
leothedragon 0:8f0bb79ddd48 78 #ifdef __cplusplus
leothedragon 0:8f0bb79ddd48 79 }
leothedragon 0:8f0bb79ddd48 80 #endif
leothedragon 0:8f0bb79ddd48 81
leothedragon 0:8f0bb79ddd48 82 #endif // __CE_TLV_H__
leothedragon 0:8f0bb79ddd48 83