24 lines
724 B
JavaScript
24 lines
724 B
JavaScript
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import * as crypto from 'crypto';
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import { promisify } from 'util';
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import nodeDigest from './dsa_digest.js';
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import hmacDigest from './hmac_digest.js';
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import nodeKey from './node_key.js';
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import getSignKey from './get_sign_verify_key.js';
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let oneShotSign;
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if (crypto.sign.length > 3) {
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oneShotSign = promisify(crypto.sign);
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}
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else {
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oneShotSign = crypto.sign;
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}
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const sign = async (alg, key, data) => {
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const keyObject = getSignKey(alg, key, 'sign');
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if (alg.startsWith('HS')) {
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const hmac = crypto.createHmac(hmacDigest(alg), keyObject);
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hmac.update(data);
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return hmac.digest();
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}
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return oneShotSign(nodeDigest(alg), data, nodeKey(alg, keyObject));
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};
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export default sign;
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