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  1. SHA-2 - Wikipedia

    SHA-256 and SHA-512 are hash functions whose digests are eight 32-bit and 64-bit words, respectively. They use different shift amounts and additive constants, but their structures are otherwise virtually …

  2. SHA256 - Online Tools

    This SHA256 online tool helps you calculate hashes from strings. You can input UTF-8, UTF-16, Hex, Base64, or other encodings. It also supports HMAC.

  3. What is the SHA-256 Algorithm & How It Works - SSL Dragon

    May 13, 2025 · SHA-256, or Secure Hash Algorithm 256-bit, is a cryptographic hash function that converts input data into a fixed-length 256-bit string. It is widely used in blockchain, digital signatures, …

  4. What Is SHA-256 and How Does It Work? - Blockchain Council

    Jul 24, 2025 · SHA-256 is a cryptographic hash function that converts any input into a fixed 256-bit output. It is one of the most widely used algorithms in blockchain technology. Bitcoin and many other …

  5. SHA256 Hash Generator and Calculator Online Tool

    SHA256 hash function generator generates a SHA256 hash (SHA256 Encode) which can be used as secure 64 char password or used as Key to protect important data such as personal information, …

  6. SHA-256 and SHA-3 - GeeksforGeeks

    Jul 23, 2025 · SHA-256 is a member of the SHA-256 family. SHA-3 is a different hash function. Designed by the Keccak Team through an open competition organised by the NIST. No known …

  7. SHA-256 Algorithm: Characteristics, Steps, and Applications

    Jun 19, 2025 · The secure hash algorithm with a digest size of 256 bits, or the SHA 256 algorithm, is one of the most widely used hash algorithms. While there are other variants, SHA 256 has been at the …