25 lines
939 B
JavaScript
25 lines
939 B
JavaScript
import { checkEncCryptoKey } from './crypto_key.js';
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import { checkKeyLength } from './check_key_length.js';
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import { JOSENotSupported } from '../util/errors.js';
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const subtleAlgorithm = (alg) => {
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switch (alg) {
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case 'RSA-OAEP':
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case 'RSA-OAEP-256':
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case 'RSA-OAEP-384':
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case 'RSA-OAEP-512':
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return 'RSA-OAEP';
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default:
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throw new JOSENotSupported(`alg ${alg} is not supported either by JOSE or your javascript runtime`);
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}
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};
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export async function encrypt(alg, key, cek) {
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checkEncCryptoKey(key, alg, 'encrypt');
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checkKeyLength(alg, key);
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return new Uint8Array(await crypto.subtle.encrypt(subtleAlgorithm(alg), key, cek));
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}
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export async function decrypt(alg, key, encryptedKey) {
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checkEncCryptoKey(key, alg, 'decrypt');
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checkKeyLength(alg, key);
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return new Uint8Array(await crypto.subtle.decrypt(subtleAlgorithm(alg), key, encryptedKey));
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}
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