mirror of
https://github.com/danbulant/jose
synced 2026-05-25 04:51:47 +00:00
33 lines
1.6 KiB
JavaScript
33 lines
1.6 KiB
JavaScript
import subtleAlgorithm from './subtle_rsaes.js';
|
|
import bogusWebCrypto from './bogus.js';
|
|
import crypto, { isCryptoKey } from './webcrypto.js';
|
|
import checkKeyLength from './check_key_length.js';
|
|
import invalidKeyInput from './invalid_key_input.js';
|
|
export const encrypt = async (alg, key, cek) => {
|
|
if (!isCryptoKey(key)) {
|
|
throw new TypeError(invalidKeyInput(key, 'CryptoKey'));
|
|
}
|
|
checkKeyLength(alg, key);
|
|
if (key.usages.includes('encrypt')) {
|
|
return new Uint8Array(await crypto.subtle.encrypt(subtleAlgorithm(alg), key, cek));
|
|
}
|
|
if (key.usages.includes('wrapKey')) {
|
|
const cryptoKeyCek = await crypto.subtle.importKey('raw', cek, ...bogusWebCrypto);
|
|
return new Uint8Array(await crypto.subtle.wrapKey('raw', cryptoKeyCek, key, subtleAlgorithm(alg)));
|
|
}
|
|
throw new TypeError('RSA-OAEP key "usages" must include "encrypt" or "wrapKey" for this operation');
|
|
};
|
|
export const decrypt = async (alg, key, encryptedKey) => {
|
|
if (!isCryptoKey(key)) {
|
|
throw new TypeError(invalidKeyInput(key, 'CryptoKey'));
|
|
}
|
|
checkKeyLength(alg, key);
|
|
if (key.usages.includes('decrypt')) {
|
|
return new Uint8Array(await crypto.subtle.decrypt(subtleAlgorithm(alg), key, encryptedKey));
|
|
}
|
|
if (key.usages.includes('unwrapKey')) {
|
|
const cryptoKeyCek = await crypto.subtle.unwrapKey('raw', encryptedKey, key, subtleAlgorithm(alg), ...bogusWebCrypto);
|
|
return new Uint8Array(await crypto.subtle.exportKey('raw', cryptoKeyCek));
|
|
}
|
|
throw new TypeError('RSA-OAEP key "usages" must include "decrypt" or "unwrapKey" for this operation');
|
|
};
|