| 1 | const crypto = require('crypto');
|
| 2 | const from = require('from2');
|
| 3 |
|
| 4 | exports.fromBuffer = function fromBuffer (buffer) {
|
| 5 | // assert.ok(Buffer.isBuffer(buffer))
|
| 6 |
|
| 7 | return from(function (size, next) {
|
| 8 | if (buffer.length <= 0) {
|
| 9 | return this.push(null);
|
| 10 | }
|
| 11 |
|
| 12 | const chunk = buffer.slice(0, size);
|
| 13 | buffer = buffer.slice(size);
|
| 14 |
|
| 15 | next(null, chunk);
|
| 16 | });
|
| 17 | };
|
| 18 |
|
| 19 | exports.bufferToHash = function bufferToHash (buffer) {
|
| 20 | const hash = crypto.createHash('sha256');
|
| 21 | hash.update(buffer);
|
| 22 | return hash.digest('hex');
|
| 23 | };
|