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Types of Cryptography

3DES
3DES

In cryptography, Triple DES (3DES), officially the Triple Data Encryption Algorithm (TDEA or Triple DEA), is a symmetric-key block cipher, which applies the DES cipher algorithm three times to each data block.

AES
AES

AES is available in many different encryption packages, and is the first (and only) publicly accessible cipher approved by the National Security Agency (NSA) for top secret information when used in an NSA approved cryptographic module (see Security of AES, below).

Blowfish
Blowfish

Blowfish is a symmetric-key block cipher, designed in 1993 by Bruce Schneier and included in a large number of cipher suites and encryption products. Blowfish provides a good encryption rate in software and no effective cryptanalysis of it has been found to date.

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DES Enciphering Algorithm
DES Enciphering Algorithm

what is des data encryption standard (des) The Data Encryption Standard (DES) specifies two FIPS approved cryptographic algorithms as required by FIPS 140-1. When …

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Feistel Cipher
Feistel Cipher

View Notes - What is a Feistel Cipher.docx from AFIN 102 at University of Lusaka. What is a Feistel Cipher? Feistel ciphers are a special class of iterated block ciphers (see Question 55) where

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Kerberos Architecture
Kerberos Architecture

Advanced Encryption Standard (AES) Encryption for Kerberos 5 . A new edition of the Kerberos V5 specification "The Kerberos Network Authentication Service (V5)" . This version obsoletes RFC 1510, clarifies aspects of the protocol and intended use in a more detailed and clearer explanation.

RSA
RSA

RSA is an Internet encryption and authentication system that uses an algorithm developed in 1977 by Ron Rivest, Adi Shamir, and Leonard Adleman. RSA is an Internet encryption and authentication system that uses an algorithm developed in 1977 by Ron Rivest, Adi Shamir, and Leonard Adleman.

Sample Entries in Unix/Linux Password Files
Sample Entries in Unix/Linux Password Files

Password: An x character indicates that encrypted password is stored in /etc/shadow file. Please note that you need to use the passwd command to computes the hash of a password typed at the CLI or to store/update the hash of the password in /etc/shadow file.

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Three Types of Cryptography
Three Types of Cryptography

In this type of cryptography, one key is used to encrypt, and a matching key is used to decrypt. These two keys together are called a key pair. One of these keys is called the secret key or private key, and should be kept secure.

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Triple DES
Triple DES

In cryptography, Triple DES (3DES), officially the Triple Data Encryption Algorithm (TDEA or Triple DEA), is a symmetric-key block cipher, which applies the DES cipher algorithm three times to each data block.

Twofish
Twofish

Twofish is an encryption algorithm based on an earlier algorithm, Blowfish, and was a finalist for a NIST standard algorithm to replace the DES algorithm. Twofish is an encryption algorithm based on an earlier algorithm, Blowfish, and was a finalist for a NIST standard algorithm to replace the DES algorithm.

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Types of Stream Ciphers
Types of Stream Ciphers

A stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher digit stream . In a stream cipher, each plaintext digit is encrypted one at a time with the corresponding digit of the keystream, to give a digit of the ciphertext stream.

VeriSign Class 3 Certificate
VeriSign Class 3 Certificate

VeriSign uses the concept of classes for different types of digital certificates [3]: Class 1 for individuals, intended for email. Class 2 for organizations, for which proof of identity is required. Class 3 for servers and software signing, for which independent verification and checking of identity and authority is done by the issuing certificate authority. Class 4 for online business transactions between companies.

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