sodium-javascript/crypto_onetimeauth.js
2020-05-04 21:11:30 +02:00

21 lines
487 B
JavaScript

const poly1305 = require('./poly1305')
const { crypto_verify_16 } = require('./crypto_verify')
module.exports = {
crypto_onetimeauth,
crypto_onetimeauth_verify
}
function crypto_onetimeauth(out, outpos, m, mpos, n, k) {
var s = new poly1305(k);
s.update(m, mpos, n);
s.finish(out, outpos);
return 0;
}
function crypto_onetimeauth_verify(h, hpos, m, mpos, n, k) {
var x = new Uint8Array(16);
crypto_onetimeauth(x,0,m,mpos,n,k);
return crypto_verify_16(h,hpos,x,0);
}