| 1 | //
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| 2 |
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| 3 | const stringify = require('json-stringify-deterministic');
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| 4 | const NodeRSA = require('node-rsa');
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| 5 |
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| 6 | module.exports = (key , format = 'pkcs1-private-pem') => {
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| 7 | const privateKey = key instanceof NodeRSA ? key : new NodeRSA(key, format);
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| 8 | return (...args ) => privateKey.sign(stringify(args), 'base64', 'utf8');
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| 9 | };
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