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What Is PKCS#12?
This section describes what is PKCS#12 - One of the PKCS (Public Key Cryptography Standards) used to store a private key and its self-signed certificate together as a single file. 2022-10-07, ∼331🔥, 0💬

RsaKeyEncryption.java for RSA Encryption Operation
This section provides a tutorial example on how to implement RSA encryption operation using the java.math.BigInteger class. The important part of the implementation is to determine the cleartext block size, ciphertext block size, and the padding of the last block. 2022-12-15, ∼330🔥, 1💬

What is CBC (Cipher Block Chaining) Operation Mode?
This section describes what is CBC (Cipher Block Chaining) Operation Mode - each plaintext block is XORed with the ciphertext of the previous block before encryption. 2022-10-08, ∼330🔥, 0💬

Finding Large Prime Numbers
This section describes different ways to generate large prime numbers to be used to generate public key and private key. Today most RSA tools are using probable prime numbers. 2022-10-05, ∼329🔥, 0💬

Secret Key Generation and Management
This chapter provides tutorial notes and example codes on secret keys. Topics include secret keys for Blowfish, DES, or HmacMD5 encryption algorithms; key generator class; test program to generate secret keys and save them in files. 2025-01-29, ∼328🔥, 1💬

Viewing Certificate Details
This section provides a tutorial example on how to view certificate details when visiting an 'https' Web site in Chrome. 2022-10-07, ∼328🔥, 0💬

DsaKeyChecker.java - Reading and Checking DSA Keys
This section provides a tutorial example on how to read DSA public key and private key back from the key files, assuming they are using PKCS#8 and X.509 encoding formats. 2022-10-05, ∼328🔥, 0💬

Converting Elliptic Curve Groups
This section describes steps on how to convert real number elliptic curve groups to cyclic subgroups of integer elliptic curve groups. 2022-10-01, ∼328🔥, 0💬

Example of DSA Key Parameters and Properties
This section provides 2 DsaKeyChecker.java output examples to show DSA key parameters and properties. 2022-10-06, ∼326🔥, 0💬

Finite Elliptic Curve Group, Eq(a,b), q = p^n
This section describes finite elliptic curve groups constructed with modular arithmetic reduction of prime power numbers, p^n. 2022-10-01, ∼322🔥, 0💬

Integer Points of First Region as Element Set
This section describes how to use all integer points from the first region on a reduced elliptic curve as the element set to try to construct an Abelian group. 2022-10-01, ∼321🔥, 0💬

Archived: Visiting "https" Web Site with IE 7
This section describes how IE (Internet Explorer) 7 shows a lock icon when you visit an 'https' Web site to provide you more security related information. 2022-10-15, ∼320🔥, 0💬

OpenSSL Generating and Signing CSR
This chapter provides tutorial notes and example codes on CSR (Certificate Signing Request) handling with OpenSSL. Topics include introduction of certificate signing process; generating CSR; signing CSR. 2022-10-05, ∼320🔥, 0💬

DES in Stream Cipher Modes
This chapter provides tutorial examples and notes about DES stream cipher modes. 1-bit, 1-byte and 8-byte stream ciphers, Topics include modifying DES CFB and OFB block ciphers to stream ciphers; using DES stream ciphers provided in the JDK JCE package. 2022-10-11, ∼318🔥, 0💬

Elliptic Curves in Integer Space
This section describes the fact that elliptic equations in 2-dimensional integer space can not be used to construct Abelian groups. 2022-10-01, ∼318🔥, 0💬

EC Curves Supported by Java
This section provides is a list of named curves that are supported or not supported by 'keytool' and Java default library. 2022-10-01, ∼318🔥, 0💬

Doubling or Squaring in Abelian Group
This section describes what is Doubling or Squaring in Abelian Groups. When performing the Abelian Group operation on two identical elements, this operation is called Squaring in multiplicative notation or Doubling in additive notation. 2022-10-01, ∼316🔥, 0💬

Reduced Elliptic Curve Group - E97(-1,1)
This section provides an example of a reduced Elliptic Curve group E97(-1,1). Some example points on the curve are also provided. 2022-10-01, ∼316🔥, 0💬

Exporting Certificate from Chrome to File
This section provides a tutorial example on how to export the certificate provided by an 'https' Web site from Chrome to a file. 2022-10-04, ∼315🔥, 0💬

Archived: Managing Certificates in Firefox 18
This section provides a tutorial example on how to access and manage certificates pre-installed Firefox 18. 2022-10-29, ∼314🔥, 0💬

Introducting DES Stream Cipher Modes
This section describes what are DES encryption stream cipher modes and how CFB and OFB block operation modes can be modified as stream modes. 2022-10-05, ∼313🔥, 0💬

X.509 Certificate Standard
This section describes the X.509 certificate standard - An international standard that defines what should be included in a digital certificate. 2022-10-07, ∼312🔥, 0💬

Illustration of DSA Algorithm with Different k and h
This section provides a tutorial example to illustrate how DSA digital signature algorithm works with same DSA key paramters but different k and h values. 2022-10-09, ∼311🔥, 0💬

Point Pattern of Reduced Elliptic Curves
This section describes elliptic the repeatable pattern of integer points on reduced elliptic curves. If we know the integer points of the curve in one region, we can move them parallelly to any other region. 2022-10-01, ∼311🔥, 0💬

<< < … 5 6 7 8 9 10 11 12 13 14 15 > >>   ∑:346  Sort:Date

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