asn 1 structure

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ASN.1 coding study Note 1

...]} The content in square brackets and the number of elements in the container are optional. nested definitions can also be performed. Example: Userrecord: = SEQUENCE { Name SEQUENCE { First ia5string, Last ia5string }, DOB utctime } The structure in the C language is roughly translated as follows: Struct userrecord { Struct name { Char * first, Char * Last }; Time_t DOB; } It is roughly translated into the following records in the Object Pascal Lan

[Go] der Encoding and ASN.1

the protocol.Assuming a message, which complies with Foo protocol and which would be sent to the receiving party. This particular message (PDU) is:Myquestion fooquestion:: = { trackingnumber 5, question "Anybody There?"} To send the above message through the network one needs to encode it to a string of bits. ASN.1 defines various algorithms to accomplish that task, called Encoding r

ASN.1 Encode an Object Identifier (OID) with OpenSSL

OID (object Identifier) denotes an object.Examples:------------------------------------------------------------------OID Object------------------------------------------------------------------1.3.14.3.2.26 SHA-12.16.840.1.101.3.4.2.1 SHA-2561.2.840.113549.1.7.2 PKCS-7 Signeddata------------------------------------------------------------------In OpenSSL no functions is directly provided to compute the OID ASN.1

Wireshark ASN.1 BER parser DoS Vulnerability (CVE-2014-5165)

Wireshark ASN.1 BER parser DoS Vulnerability (CVE-2014-5165) Release date:Updated on: Affected Systems:Wireshark Description:--------------------------------------------------------------------------------Bugtraq id: 69000CVE (CAN) ID: CVE-2014-5165Wireshark is the most popular network protocol parser.In the ASN.1 BER

ASN.1/BER/DER encoding subset Getting Started Guide (completed)

This is from RSA's "ASN.1/BER/DER encoding subset Getting Started Guide". It was just a translation and I didn't expect many friends to send a letter hoping to provide all the translations, so I took the rest time to complete all the translations. If this article is helpful to some friends who are engaged in communication or PKI, It is my purpose ,:-)Download ASN

ASN.1 DER encoding method and example

Introduction to the ASN.1 series of OpenSSL 2---asn.1 encoding method--- Based on OpenSSL source code, ssleay statements, and other relevant materialsAuthor: dragonking (Eric Wang)Mail: wzhah@263.netCopyright Disclaimer: This article cannot be reproduced on any commercial publications or websites without the authorizat

2-1-single-chain table ordered Storage Structure-linear table-Chapter 2nd-Data Structure textbook source code-yan Weimin Wu Weimin edition, 2-1-Data Structure

2-1-single-chain table ordered Storage Structure-linear table-Chapter 2nd-Data Structure textbook source code-yan Weimin Wu Weimin edition, 2-1-Data Structure Textbook source code Chapter 2 linear table-sequence storage structure

C ++ data structure and algorithm _ 1 _ linear table, data structure and algorithm _ 1

C ++ data structure and algorithm _ 1 _ linear table, data structure and algorithm _ 1 Implementation and Analysis of sequence tables Abstract base class of a linear table: Template Body-Sequence Table Implementation The sequence table has the following features: Loc (I) = Loc (j) + (I-j) * sizeof (T) The class

Data Structure Learning 1 --- linked list, Data Structure Learning 1 ---

Data Structure Learning 1 --- linked list, Data Structure Learning 1 --- Lead node single-chain table Data structure definition ListNode.h#ifndef LISTNODE_H#define LISTNODE_HtemplateImplementation of all operations on the single-link table with the leading Node LinkList.

Data Structure Arrangement (1) linear structure and linear Data Structure

Data Structure Arrangement (1) linear structure and linear Data Structure I. Preface You have to fill in your own traps. When I learned the data structure (C ++ version) every day, I thought it was a character, I am still wondering how I typed this thing. I don't realize i

Summary of data structure and application (1)------Data structure

Structure of data) refers to the logical relationship between them. It is independent of the computer and can be used as a data model abstracted from specific problems. The logical structure of data usually has the following four kinds: set structure, linear structure, tree struct

Tigase database structure (1), tigase database structure

Tigase database structure (1), tigase database structure There are many tables in the Tigase database. The most important tables are three: tig_users, tig_nodes, and tig_pairs. 1. tig_users Tig_users stores user information, including uid (primary key, user ID), user_id (user name), usr_pw (User Password), and other fi

A tutorial on data structure of piglet--1. Data structure and algorithm introduction

A tutorial on data structure of piglet--1. Data structure and algorithm introductiontags (space delimited): Data structureLearning Roadmap and Learning Essentials in this sectionLearning Essentials: 1. Understanding the relevant concepts of data structure 2. U

Some data structure ideas (1) and data structure ideas

Some data structure ideas (1) and data structure ideas Find the maximum k value of a single-chain table At the beginning, I thought of a stupid method. First, I traverse a single-chain table, calculate the length of the single-chain table len, and then traverse the single-chain table from the beginning to the len-k node, this node is the last k node of a single-c

Data Structure Retrieval (1), Data Structure Retrieval

Data Structure Retrieval (1), Data Structure Retrieval The red/black tree is a self-balancing binary search tree and a data structure used in computer science, A typical purpose is to associate arrays (map/set in C ++ STL ). It was invented by Rudolf Bayer in 1972. It is called the "symmetric Binary Tree B" and Its Mod

Class and structure (1), structure (

Class and structure (1), structure ( Classes and structures are actually templates for creating objects (instances). Each object contains data and provides methods to process and access data. Class defines the data and functions that each object of a class can contain. class PhoneCus { public const string DaySend = "Mon"; public int CusId=; }

C # (Data Structure): 1. sequence table structure,

C # (Data Structure): 1. sequence table structure, Our programmers have three major advantages: laziness, laziness, and self-confidence. I am honored to take over all of these three points. But the relationship between Mu and Mu cannot shake my determination to learn. Because there is no end to technology. The dividing line --------------------------------------

[Algorithm and data structure] _ 9 _ linear structure _ queue _ continued _ 1

A section about queueSource codeYou may find thatCodeSome problems exist. That is, if the frontend points to the end of the queue after leaving the queue; An exception occurs. Therefore, to be able to use the queue, You need to modify the source code. /* * BookProgramTest linear data structure: queue */ # Include # Include // ************************************* 0 // Define data types Struct Queuenode { // If rear =-

Review data structure: Sorting (1) -- insert sorting and data structure sorting

Review data structure: Sorting (1) -- insert sorting and data structure sorting Starting from this article, I began to review the knowledge points of the data structure. The blog mainly focuses on the core idea of each knowledge point and code implementation. This article begins with the insertion sorting in the sor

Data structure Exercise 02-linear structure 1. Derivation of one-dimensional polynomial (25)

;index; if(p->index!=0) P->index=p->index-1; P=p->Next; } P=head->Next; while(p!=NULL) { if(P->next!=null p->index==0 p->next->index==0) {Q=p->Next; P->next=q->Next; DeleteQ; } if(P->next!=null p->next->coe==0) {Q=p->Next; P->next=q->Next; DeleteQ; } P=p->Next; } P=head->Next; while(p!=NULL) {cout" "index; if(p->next!=NULL) {cout" "; } P=p->Next; } return 0;} after 19 commits, it was finally successful. It'

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