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16 lines
651 B
JavaScript
16 lines
651 B
JavaScript
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var shim = require('./shim');
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var S = require('./settings');
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var sha256hash = require('./sha256');
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const importGen = async (key, salt, opt) => {
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//const combo = shim.Buffer.concat([shim.Buffer.from(key, 'utf8'), salt || shim.random(8)]).toString('utf8') // old
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opt = opt || {};
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const combo = key + (salt || shim.random(8)).toString('utf8'); // new
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const hash = shim.Buffer.from(await sha256hash(combo), 'binary')
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const jwkKey = S.keyToJwk(hash)
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return await shim.subtle.importKey('jwk', jwkKey, {name:'AES-GCM'}, false, ['encrypt', 'decrypt'])
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}
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module.exports = importGen;
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