16 lines
600 B
Plaintext
16 lines
600 B
Plaintext
import { encrypt, decrypt } from './content_encryption.js';
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import { encode as b64u } from '../util/base64url.js';
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export async function wrap(alg, key, cek, iv) {
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const jweAlgorithm = alg.slice(0, 7);
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const wrapped = await encrypt(jweAlgorithm, cek, key, iv, new Uint8Array());
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return {
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encryptedKey: wrapped.ciphertext,
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iv: b64u(wrapped.iv),
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tag: b64u(wrapped.tag),
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};
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}
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export async function unwrap(alg, key, encryptedKey, iv, tag) {
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const jweAlgorithm = alg.slice(0, 7);
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return decrypt(jweAlgorithm, key, encryptedKey, iv, tag, new Uint8Array());
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}
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