sha256 – POFTUT

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What Is SHA-256 and How To Calculate In Python, PHP, JavaScript, Go, Java, PowerShell Programming Languages? 0

What Is SHA-256 and How To Calculate In Python, PHP, JavaScript, Go, Java, PowerShell Programming Languages?

Hash algorithms are the heart of the cryptography and security. SHA-256 is a Secure Hash Algorithm which will generate an output hash value in 256 bit. SHA-256 is designed by the National Security Agency  (NSA). SHA-256 is one of the cryptographic hash functions. SHA-256 is also named one-way function where the generated hash value cannot be reversed theoretically. This makes SHA-256 very useful for password validation, challenge hash authentication, anti-tamper,...

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What Is MD5 Hash Checksum? How To Create and Validate MD5?

MD5 is a checksum or hash calculation method for files. MD5 checksum consists of 128-bit value which is generally expressed as the hexadecimal format with which consist of 32 characters. MD5 Attributes MD5 is a cryptography algorithm which provides some attributes which make it useful for different cases like security, operation etc. Here is the list of MD5 attributes. MD5 checksums are 128-bit values MD5 checksums can be expressed in different...

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What is Checksum and Related Tools with Calculation Examples

checksum is an function used to to calculated some value for given data. As we see check is used to check given data with calculated sum. Data may be little or very big like 1 MB, 10 MB etc. but the checksum value will be the same size bu different for each different type of data. checksum is also called hash values. Checksum Algorithms There are a lot of algorithms used to...

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What Is OpenSSL Library?

OpenSSL is most popular open source cryptography library which provides a lot of tools, libraries, algorithms about cryptography. It is mostly known with Secure Socket Layers (SSL) and Transport Layer Security (TLS) protocols. Supported Encryption Algorithms Encryption is used to make given data unreadable by the intruders. It is mainly used for confidentiality. OpenSSL supports following algorithms. RSA DSA AES DES 3DES Supported Hash Algorithms Hashing is used to create...

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Python Hash Strings and Lists to MD5, SHA256, SHA512 with Hashlib Module

Security is important part of the today IT and gains more respect from IT world. Hashing is a security measure to protect and check our data. In this tutorial we will look how to use hash with tables and strings. What is Hash Hash is a function where provided data will be converted into another expressions format and can not be recovered back with normal functions. MD5 MD5 is very...

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How To Check Integrity Of Files In Linux?

In today IT world everything connected and a lot of data in being downloaded from internet or over networks. This may create some minor problems. The data downloaded may be corrupted or there may be some intruders in network and with man of the middle attack may change our files. There are different solutions for this but simplest and fastest solution is using hash algorithms to verify file integrity. There...

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