0d073fa89e
- Add GETTING_STARTED.md with quick start guide and development modes - Add INSTALL.sh automated installation script - Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md - Add QUICK_REFERENCE.md for common commands - Add SETUP_GUIDE.md with detailed setup instructions - Update README.md with improved project overview - Add did-wallet app dependencies and node_modules
50 lines
2.1 KiB
JavaScript
50 lines
2.1 KiB
JavaScript
import { getWebcryptoSubtle } from './utils.js';
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import { ensureBytes } from '../utils.js';
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// Overridable
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export const utils = {
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async encrypt(key, keyParams, cryptParams, plaintext) {
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const cr = getWebcryptoSubtle();
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const iKey = await cr.importKey('raw', key, keyParams, true, ['encrypt']);
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const ciphertext = await cr.encrypt(cryptParams, iKey, plaintext);
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return new Uint8Array(ciphertext);
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},
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async decrypt(key, keyParams, cryptParams, ciphertext) {
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const cr = getWebcryptoSubtle();
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const iKey = await cr.importKey('raw', key, keyParams, true, ['decrypt']);
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const plaintext = await cr.decrypt(cryptParams, iKey, ciphertext);
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return new Uint8Array(plaintext);
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},
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};
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function getCryptParams(algo, nonce, AAD) {
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if (algo === "AES-CBC" /* BlockMode.CBC */)
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return { name: "AES-CBC" /* BlockMode.CBC */, iv: nonce };
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if (algo === "AES-CTR" /* BlockMode.CTR */)
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return { name: "AES-CTR" /* BlockMode.CTR */, counter: nonce, length: 64 };
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if (algo === "AES-GCM" /* BlockMode.GCM */)
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return { name: "AES-GCM" /* BlockMode.GCM */, iv: nonce, additionalData: AAD };
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throw new Error('unknown aes block mode');
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}
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function generate(algo) {
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return (key, nonce, AAD) => {
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ensureBytes(key);
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ensureBytes(nonce);
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// const keyLength = key.length;
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const keyParams = { name: algo, length: key.length * 8 };
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const cryptParams = getCryptParams(algo, nonce, AAD);
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return {
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// keyLength,
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encrypt(plaintext) {
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ensureBytes(plaintext);
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return utils.encrypt(key, keyParams, cryptParams, plaintext);
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},
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decrypt(ciphertext) {
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ensureBytes(ciphertext);
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return utils.decrypt(key, keyParams, cryptParams, ciphertext);
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},
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};
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};
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}
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export const cbc = generate("AES-CBC" /* BlockMode.CBC */);
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export const ctr = generate("AES-CTR" /* BlockMode.CTR */);
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export const gcm = generate("AES-GCM" /* BlockMode.GCM */);
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//# sourceMappingURL=aes.js.map
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