18 lines
711 B
Plaintext
18 lines
711 B
Plaintext
import crypto, { isCryptoKey } from './webcrypto.js';
|
|
import { checkSigCryptoKey } from '../lib/crypto_key.js';
|
|
import invalidKeyInput from '../lib/invalid_key_input.js';
|
|
import { types } from './is_key_like.js';
|
|
export default function getCryptoKey(alg, key, usage) {
|
|
if (isCryptoKey(key)) {
|
|
checkSigCryptoKey(key, alg, usage);
|
|
return key;
|
|
}
|
|
if (key instanceof Uint8Array) {
|
|
if (!alg.startsWith('HS')) {
|
|
throw new TypeError(invalidKeyInput(key, ...types));
|
|
}
|
|
return crypto.subtle.importKey('raw', key, { hash: `SHA-${alg.slice(-3)}`, name: 'HMAC' }, false, [usage]);
|
|
}
|
|
throw new TypeError(invalidKeyInput(key, ...types, 'Uint8Array'));
|
|
}
|