chiefbiiko / siphash24

SipHash24 implemented in WebAssembly

siphash24

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SipHash24 implemented in WebAssembly.

Tailored to Deno

All credit to the original authors Jean-Philippe Aumasson and Daniel J. Bernstein, as well as open-source contributors jedisct1 (Frank Denis), mafintosh and emilbayes for porting the reference implementation to JavaScript and WebAssembly.

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Import

import { siphash24 } from "https://denopkg.com/chiefbiiko/siphash24/mod.ts";

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Usage

import {
  BYTES,
  siphash24
} from "https://denopkg.com/chiefbiiko/siphash24/mod.ts";

import {
  encode,
  decode
} from "https://denopkg.com/chiefbiiko/std-encoding/mod.ts";

const msg: Uint8Array = encode("msg from a MIB"); // x-byte msg
const key: Uint8Array = encode("sixteen_byte_key"); // 16-byte key
const mac: Uint8Array = new Uint8Array(BYTES); // 8-byte mac

siphash24(msg, key, mac);

console.log(
  "msg: ",
  decode(msg),
  "\nkey: ",
  decode(key),
  "\nmac: ",
  decode(mac, "hex")
);

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API

siphash24(msg: Uint8Array, key: Uint8Array, out: Uint8Array): Uint8Array

Mac a variable-length message with a 16-byte key while providing a 8-byte output buffer.

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See also

Jean-Philippe Aumasson & Daniel J. Bernstein (2012-09-18). "SipHash: a fast short-input PRF".

SipHash (2-4) implemented in pure Javascript and WebAssembly

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License

MIT