Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
Safe & Security Articles
Page 51 of 88
What is SHA in Information Security?
SHA stands for secure hashing algorithm. SHA is a modified version of MD5 and used for hashing information and certificates. A hashing algorithm shortens the input information into a smaller form that cannot be learned by utilizing bitwise operations, modular additions, and compression functions.SHAs also help in revealing if an original message was transformed in any way. By imputing the original hash digest, a user can tell if even an individual letter has been shifted, as the hash digests will be effectively different.The important element of SHAs are that they are deterministic. This define that consider the hash function used ...
Read MoreWhat is the DES algorithm in Information Security?
DES stands for Data Encryption Standard. The Data Encryption Standards (DES) algorithm was invented by IBM in the early 1970s. It obtain the plaintext in 64-bit blocks and changes it into the ciphertext that need the 64-bit keys to encrypt the information. The algorithm need the similar key to encrypt and decrypt the information.DES is a symmetric key algorithm used to encrypt digital data. Its short key length of 56 bits renders DES too insecure to secure most current applications that is based on encryption.DES uses block cipher technology to change fixed-length bitstrings into same-sized, encrypted bitstrings. While the standard ...
Read MoreWhat are the types of Keys in Information Security?
There are various types of keys are as follows −Symmetric key −A symmetric key is one that can be used both to encrypt and decrypt information. This can define that to decrypt information, one should have the same key that was used to encrypt it.Symmetric encryption is generally more effective than asymmetric encryption and thus preferred when large amounts of information need to be exchanged. Asymmetric key − Asymmetric encryption is a type of encryption that required two separates yet mathematically related keys to encrypt and decrypt data. The public key encrypts information while its correlating private key decrypts it.Asymmetric key ...
Read MoreWhat is Key Management in Information Security?
Key management define as managing cryptographic keys within a cryptosystem. It can manage with generating, exchanging, saving, using and replacing keys as required at the user level.A key management system will also contains key servers, user process and protocols, including cryptographic protocol design. The security of the cryptosystem is based upon successful key management.Cryptographic keys play an essential role in protecting sensitive data, avoiding data breaches, and understanding with regulations. Unfortunately, a lost or stolen key can lead to costly losses of systems and information, which is each security-aware company should provide strong key management protocols.Encryption key management is a ...
Read MoreWhat is an Encryption key in Information Security?
An encryption key is a random string of bits produced explicitly for scrambling and unscrambling information. Encryption keys are designed with algorithms designed to provide that each key is unpredictable and unique.In cryptography, an encryption key is a string of characters used in consolidation with an algorithm to change plaintext (unencrypted information) into ciphertext (encrypted information) and vice versa for decryption algorithms.It can change data so that it occurs random and “locks” it so that only the corresponding key can decrypt it. Keys can also define transformations in other algorithms, including digital signature schemes and message authentication codes. An encryption ...
Read MoreWhat are the role of S-boxes in DES?
In DES, it is a symmetric-key block cipher introduced by the National Institute of Standards and Technology (NIST). DES was introduced as FIPS 46 in the Federal Register in January 1977.NIST can represent DES as the standard for use in unclassified software. DES has been the most broadly used symmetric-key block cipher because its publication. NIST later issued a new standard (FIPS 46-3) that confirm the use of triple DES (repeated DES cipher three times) for future software.The DES has a 64-bit block size and need a 56-bit key during implementation (8 parity bits are deprived off from the complete ...
Read MoreWhat are the benefits of data encryption in Information Security?
Encryption is the procedure of changing plain text into ciphertext, i.e., changing the text from readable format to non-readable format to protect the conversation among two parties or from the unauthorized person.A private key can be used to fastly encrypt the plain text. There are several techniques and algorithms have been produced to encrypt the encryption. For instance, substitution techniques, transposition techniques, MD5 algorithm, SHA algorithm, IDEA algorithm, etc.Data encryption is an approach of securing information confidentiality by converting it to encoded information, known as ciphertext. It can only be decoded with a unique decryption key, produced either at the ...
Read MoreWhat is the difference between Confusion and Diffusion in information security?
ConfusionConfusion defines making the relationship between the key and the cipher as difficult and as included as possible. In other words, the technique provides that the ciphertext provides no clue about the plaintext.In this regard, the relationship between the data of the cipher text and the value of the encryption has to remain as difficult as applicable. It is completed by spreading out the single plaintext digit over several Ciphertext digits, including when a single bit of the plaintext is changed.In confusion, it should influence the complete cipher text or change should appear on the complete cipher text and the ...
Read MoreWhat are the techniques of data Encryption?
There are some techniques of Data Encryption are as follows −DES − DES stands for Data Encryption Standard. The Data Encryption Standards (DES) algorithm was invented by IBM in the early 1970s. It accepts the plaintext in 64-bit blocks and transform it into the ciphertext that need the 64-bit keys to encrypt the information. The algorithm need the same key to encrypt and decrypt the information.DES is a symmetric key algorithm can encrypt digital data. Its short key length of 56 bits renders DES too insecure to secure most current applications that is based on encryption.Triple DES − Triple DES ...
Read MoreWhat is Password Salting in Information Security?
Password salting is a form of password encryption that includes appending a password to a given username and thus hashing the new string of characters. This is generally done through an MD5 hashing algorithm.Password-salting is generally found within Linux operating systems, and it is usually considered a more secure password encryption model than some models used within the several Microsoft distributions.When a username has been produced, the user generally creates a password to associate with this username. After the user has submitted the password to the salt-allowed system, the system add the password to the username. Therefore, the new string ...
Read More