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'use strict';
var crypto = require('crypto');
function sha1(bytes) {
// support modern Buffer API
if (typeof Buffer.from === 'function') {
if (Array.isArray(bytes)) bytes = Buffer.from(bytes);
else if (typeof bytes === 'string') bytes = Buffer.from(bytes, 'utf8');
}
// support pre-v4 Buffer API
else {
if (Array.isArray(bytes)) bytes = new Buffer(bytes);
else if (typeof bytes === 'string') bytes = new Buffer(bytes, 'utf8');
}
return crypto.createHash('sha1').update(bytes).digest();
}
module.exports = sha1;
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