Sha256: c1012e0409c914f43381ade151ba269dff574101957b61c7ac9ac2d6416c4abb
Contents?: true
Size: 969 Bytes
Versions: 36
Compression:
Stored size: 969 Bytes
Contents
var Buffer = require('buffer').Buffer;
var intSize = 4;
var zeroBuffer = new Buffer(intSize); zeroBuffer.fill(0);
var chrsz = 8;
function toArray(buf, bigEndian) {
if ((buf.length % intSize) !== 0) {
var len = buf.length + (intSize - (buf.length % intSize));
buf = Buffer.concat([buf, zeroBuffer], len);
}
var arr = [];
var fn = bigEndian ? buf.readInt32BE : buf.readInt32LE;
for (var i = 0; i < buf.length; i += intSize) {
arr.push(fn.call(buf, i));
}
return arr;
}
function toBuffer(arr, size, bigEndian) {
var buf = new Buffer(size);
var fn = bigEndian ? buf.writeInt32BE : buf.writeInt32LE;
for (var i = 0; i < arr.length; i++) {
fn.call(buf, arr[i], i * 4, true);
}
return buf;
}
function hash(buf, fn, hashSize, bigEndian) {
if (!Buffer.isBuffer(buf)) buf = new Buffer(buf);
var arr = fn(toArray(buf, bigEndian), buf.length * chrsz);
return toBuffer(arr, hashSize, bigEndian);
}
module.exports = { hash: hash };
Version data entries
36 entries across 36 versions & 2 rubygems