Diff: simple-mbed-cloud-client/mbed-cloud-client/certificate-enrollment-client/source/include/ce_tlv.h

Revision:

0:11cc2b7889af

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/simple-mbed-cloud-client/mbed-cloud-client/certificate-enrollment-client/source/include/ce_tlv.h	Tue Nov 19 09:49:38 2019 +0000
@@ -0,0 +1,83 @@
+// ----------------------------------------------------------------------------
+// Copyright 2018 ARM Ltd.
+//  
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//  
+//     http://www.apache.org/licenses/LICENSE-2.0
+//  
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ----------------------------------------------------------------------------
+
+#ifndef __CE_TLV_H__
+#define __CE_TLV_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+typedef enum  {
+    CE_TLV_STATUS_SUCCESS,
+    CE_TLV_STATUS_END,
+    CE_TLV_STATUS_INVALID_ARG,
+    CE_TLV_STATUS_TEXT_NOT_TERMINATED,
+    CE_TLV_STATUS_MALFORMED_TLV,
+    CE_TLV_STATUS_ERROR,
+    CE_TLV_STATUS_ENCODER_INSUFFICIENT_BUFFER
+} ce_tlv_status_e;
+
+typedef enum {
+    CE_TLV_TYPE_CERT_NAME = 1
+} ce_tlv_type_e;
+
+typedef struct ce_tlv_element_ {
+    const uint8_t *_current; // 4 bytes
+    const uint8_t *_end; // 4 bytes
+    union { 
+        const uint8_t *bytes;
+        const char *text;
+        int integer;
+    } val; // 4 bytes
+    bool is_required;
+    uint16_t type; // 2 bytes
+    uint16_t len; // 2 bytes
+} ce_tlv_element_s;
+
+ce_tlv_status_e ce_tlv_parser_init(const uint8_t *tlv_buf, size_t tlv_buf_len, ce_tlv_element_s *element_out);
+ce_tlv_status_e ce_tlv_parse_next(ce_tlv_element_s *element);
+
+/* Checks if the given element is required or optional by testing 
+* the "type" MSB bit. [0 == required] while [1 == optional]
+*
+* @param element[IN] The element to test
+*
+* @return "true" if element is required, "false" otherwise.
+*/
+bool is_required(const ce_tlv_element_s *element);
+
+#ifdef CERT_RENEWAL_TEST
+typedef struct ce_tlv_encoder_ {
+    uint8_t *buf; // 4 bytes
+    uint16_t encoded_length; // 2 bytes
+    uint16_t _buf_size; // 2 bytes
+} ce_tlv_encoder_s;
+
+void ce_tlv_encoder_init(uint8_t *buf, uint16_t buf_size, ce_tlv_encoder_s *encoder);
+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);
+
+#endif // CERT_RENEWAL_TEST
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __CE_TLV_H__
+