mirror of https://github.com/keeweb/keeweb.git
40 lines
1.5 KiB
JavaScript
40 lines
1.5 KiB
JavaScript
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const Logger = require('./logger');
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const publicKey = require('raw-loader!../../resources/public-key.pem');
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const kdbxweb = require('kdbxweb');
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const SignatureVerifier = {
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logger: new Logger('signature-verifier'),
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verify(data, signature) {
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return new Promise((resolve, reject) => {
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try {
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let pk = publicKey.match(/-+BEGIN PUBLIC KEY-+([\s\S]+?)-+END PUBLIC KEY-+/)[1];
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pk = pk.replace(/\s+/g, '');
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pk = kdbxweb.ByteUtils.base64ToBytes(pk);
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crypto.subtle.importKey('spki', pk,
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{name: 'RSASSA-PKCS1-v1_5', hash: {name: 'SHA-256'}},
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false, ['verify']
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).then(cryptoKey => {
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crypto.subtle.verify({name: 'RSASSA-PKCS1-v1_5'}, cryptoKey,
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kdbxweb.ByteUtils.arrayToBuffer(signature),
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kdbxweb.ByteUtils.arrayToBuffer(data)
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).then(isValid => {
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resolve(isValid);
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}).catch(e => {
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this.logger.error('Verify error', e);
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reject();
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});
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}).catch(e => {
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this.logger.error('ImportKey error', e);
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reject();
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});
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} catch (e) {
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this.logger.error('Signature verification error', e);
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reject();
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}
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});
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}
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};
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module.exports = SignatureVerifier;
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