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  1. Secure Hash Algorithms - Wikipedia

    SHA-2: A family of two similar hash functions, with different block sizes, known as SHA-256 and SHA-512. They differ in the word size; SHA-256 uses 32-bit words where SHA-512 uses 64-bit …

  2. How Does a Secure Hash Algorithm work in Cryptography?

    Jul 23, 2025 · Hashing is used for data integrity verification and to detect any unauthorized modification or tampering and can ensure the digital document's authenticity. Secure Hash …

  3. What is SHA? What is SHA used for? - Encryption Consulting

    Apr 5, 2024 · A secure hashing algorithm, or SHA, changes data by creating a hash digest unique to each plaintext message. The two main types of SHAs are SHA-1 and SHA-2.

  4. What is SHA? A Complete Guide to Hash Algorithms

    May 13, 2025 · SHA stands for Secure Hash Algorithm, a cryptographic function developed to protect sensitive data. It takes an input message, such as a text, file, password, or any data …

  5. NIST Retires SHA-1 Cryptographic Algorithm | NIST

    Dec 15, 2022 · The SHA-1 algorithm, one of the first widely used methods of protecting electronic information, has reached the end of its useful life, according to security experts at the National …

  6. Secure Hash Algorithms | Brilliant Math & Science Wiki

    Secure Hash Algorithms, also known as SHA, are a family of cryptographic functions designed to keep data secured. It works by transforming the data using a hash function: an algorithm that …

  7. Cryptography - SHA Algorithm - Online Tutorials Library

    Data and certificates are hashed using SHA, a modified version of MD5. A hashing algorithm compresses the input data into a smaller, incomprehensible form using bitwise operations, …

  8. SHA1 vs SHA2 and SHA256: Main Differences | NinjaOne

    Jun 14, 2025 · SHA1, or Secure Hash Algorithm 1, is a cryptographic hash function created by the United States National Security Agency (NSA) and introduced in 1995. It generates a 160-bit …

  9. SHA-1 - Wikipedia

    SHA-1 and SHA-2 are the hash algorithms required by law for use in certain U.S. government applications, including use within other cryptographic algorithms and protocols, for the …

  10. Difference Between SHA1 and SHA2 - GeeksforGeeks

    Jul 15, 2025 · SHA is an important aspect of cryptographic algorithms as it guarantees integrity when it comes to information. SHA1 and SHA2 are the most commonly used hashing …