|
1
|
'use strict';
|
|
2
|
|
|
3
|
var crypto = require('crypto');
|
|
4
|
|
|
5
|
function sha1(bytes) {
|
|
6
|
if (typeof Buffer.from === 'function') {
|
|
7
|
// Modern Buffer API
|
|
8
|
if (Array.isArray(bytes)) {
|
|
9
|
bytes = Buffer.from(bytes);
|
|
10
|
} else if (typeof bytes === 'string') {
|
|
11
|
bytes = Buffer.from(bytes, 'utf8');
|
|
12
|
}
|
|
13
|
} else {
|
|
14
|
// Pre-v4 Buffer API
|
|
15
|
if (Array.isArray(bytes)) {
|
|
16
|
bytes = new Buffer(bytes);
|
|
17
|
} else if (typeof bytes === 'string') {
|
|
18
|
bytes = new Buffer(bytes, 'utf8');
|
|
19
|
}
|
|
20
|
}
|
|
21
|
|
|
22
|
return crypto.createHash('sha1').update(bytes).digest();
|
|
23
|
}
|
|
24
|
|
|
25
|
module.exports = sha1;
|