Hash function - KaveriBridge/crypto GitHub Wiki

About

    • A cryptographic hash is a kind of ‘signature’ for a text or a data file.
  • SHA-256 generates an almost-unique 256-bit (32-byte) signature for a text.

Function

  • Input:

    • Any size
    • Content can be anything - email, book

  • Output:

    • Fixed size
    • Also called a digest
    • Serves as signature for the input

SHA-256 Example

  • Input: "I am Batman"
  • Hash: 6015cf7142ba060f5026be9cc442c12ed7f0d5aeccbaa0678deebc51c6a1b282

See also