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README.md

sha.js

Node style SHA on pure JavaScript.

var shajs = require('sha.js')

console.log(shajs('sha256').update('42').digest('hex'))
// => 73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049
console.log(new shajs.sha256().update('42').digest('hex'))
// => 73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049

var sha256stream = shajs('sha256')
sha256stream.end('42')
console.log(sha256stream.read().toString('hex'))
// => 73475cb40a568e8da8a045ced110137e159f890ac4da883b6b17dc651b3a8049

supported hashes

sha.js currently implements:

SHA (SHA-0) -- legacy, do not use in new systems
SHA-1 -- legacy, do not use in new systems
SHA-224
SHA-256
SHA-384
SHA-512

Not an actual stream

Note, this doesn’t actually implement a stream, but wrapping this in a stream is trivial. It does update incrementally, so you can hash things larger than RAM, as it uses a constant amount of memory (except when using base64 or utf8 encoding, see code comments).

Acknowledgements

This work is derived from Paul Johnston’s A JavaScript implementation of the Secure Hash Algorithm.

README.md

sha.js

supported hashes

Not an actual stream

Acknowledgements

LICENSE MIT