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What Is Poisson Bracket
This section provides a quick introduction to Poisson Bracket, which is an operation of two functions on the phase space (q,p) of a system. 2024-12-14, ∼208🔥, 0💬

Observables in Phase Space
This section describes observables in phase space in terms of the Poisson brackets. 2024-12-14, ∼208🔥, 0💬

Poisson Bracket in Portrait Space Transformation
This section describes observables in phase space in terms of the Poisson brackets. 2024-12-14, ∼202🔥, 0💬

Poisson Bracket and Hamilton Equations
This section describes Hamilton Equations in terms of the Poisson brackets. 2024-12-14, ∼200🔥, 0💬

Certificate File Format Summary
This section provides a summary of 5 commonly used file formats of PKI certificates: DER, PEM, PKCS7 Binary, PKCS7 Text, and PKCS12. 2024-12-14, ∼177🔥, 0💬

GB2312 Tutorials - Herong's Tutorial Examples
This free book contains Herong's notes and tutorial examples on Chinese GB2312 character set. It provides a mapping table of all GB2312 characters, native codes, corresponding Unicode codes and UTF8 codes. The Java program source code that produces the mapping table is also included. Topics include ... 2024-12-01, ≈32🔥, 15💬

💬 2024-09-20 tser: help me a lot

💬 2022-04-17 the niga: thank

💬 2021-02-17 林黛玉: 红楼梦

💬 2020-07-29 张: 张

💬 2019-08-20 李家健: 李家健

(More comments ...)

PKI Certificate Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning PKI certificate related technologies. Topics include PKI architecture and CA (Certificate Authorities); PKI certificate types and DER/PEM file formats; Certificate tools: OpenSSL and 'keytool'; C... 2024-11-27, ∼415🔥, 0💬

"openssl.cnf" Example and Usages
This section describes OpenSSL CA database files, including the primary database file 'index.txt' and the serial number file 'serial'. 2024-11-27, ∼751🔥, 0💬

Certificate Data Fields and X.509 Standard
This section describes the structure and data fields of PKI certificates, which are specified in RFC 5280 based on the X.509 standard. 2024-11-27, ∼581🔥, 0💬

"openssl pkcs12 -export" - Certificate Chain and Key Bundle
This section provides a tutorial example on how to create a PKCS12 bundle to store an end certificate, its private/public key pair, and the signing certificate, using the 'openssl pkcs12 -export' command. 2024-11-27, ∼562🔥, 0💬

Add "keyUsage" into Root CA
This section provides a tutorial example on how to add 'keyUsage' and other X509v3 extensions to a self-signed root CA certificate. 2024-11-27, ∼512🔥, 0💬

OIDs Used in PKI Certificate
This section introduces OIDs (Object IDentifiers) used in PKI certificates to represent attribute names and predefined reference values. 2024-11-27, ∼371🔥, 0💬

openssl.cnf - OpenSSL Configuration File
This section describes the 'openssl genpkey -algorithm RSA' command, which generates a RSA private/public key pair. It replaces the old 'openssl genrsa' command 2024-11-27, ∼340🔥, 0💬

OpenSSL CA Database Files
This section describes OpenSSL CA database files, including the primary database file 'index.txt' and the serial number file 'serial'. 2024-11-27, ∼296🔥, 0💬

What Is BER (Basic Encoding Rules)
This section introduces the BER (Basic Encoding Rules) defined in the ASN.1 standard. It uses the TLV (Tag-Length-Value) format to encode a value of a given data type. 2024-11-27, ∼259🔥, 0💬

Most Popular Certificate Authorities
This section provides a list of most popular certificate authorities. 2024-11-27, ∼242🔥, 0💬

Export Key Pair using "keytool -importkeystore"
This section provides a tutorial example on how to export a private/public key pair from a KeyStore file using the 'keytool -importkeystore'. 2024-11-27, ∼241🔥, 0💬

"openssl genpkey" - Generate Private Key
This section describes the 'openssl genpkey' command, which generates a private/public key pair for a given algorithm. 2024-11-27, ∼239🔥, 0💬

"openssl pkcs12 -export" - Certificate and Key Bundle
This section provides a tutorial example on how to create a PKCS12 bundle to store a self-signed certificate and its private/public key pair using the 'openssl pkcs12 -export' command. 2024-11-27, ∼234🔥, 0💬

What Is ASN.1 (Abstract Syntax Notation One)
This section introduces ASN.1 (Abstract Syntax Notation One), which is a language that allows you to define your own constructed data types. 2024-11-27, ∼233🔥, 0💬

Full Version in PDF/EPUB
Information on how to obtain the full version of this book in PDF, EPUB, or other format. 2024-11-27, ∼226🔥, 0💬

ASN.1 Data Structure of PKCS7 File
This section provides a tutorial example to show the ASN.1 data structure of a PKCS12 file. 2024-11-27, ∼222🔥, 0💬

Java "keytool" Commands and KeyStore Files
This chapter provides tutorial notes and example codes on the Java 'keytool' command. Topics include introduction of KeyStore file and 'keytool' command; generating and managing keys and self-signed certificates; exporting and importing certificates; generating CSR (Certificate Signing Request); sig... 2024-11-27, ∼222🔥, 0💬

"keytool -export/import" - Export and Import Certificates
This section provides a tutorial example on how to use the 'keytool -export' command to export certificates out of a 'keystore' file. The 'keytool -import' command can be used to import certificates into a 'keystore' file. 2024-11-27, ∼221🔥, 0💬

<< < … 6 7 8 9 10 11 12 13 14 15 16 … > >>   ∑:9026  Sort:Rank

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO