main repo

node_modules/jose/dist/node/cjs/lib/cek.js

@@ -0,0 +1,24 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.bitLength = void 0;
+const errors_js_1 = require("../util/errors.js");
+const random_js_1 = require("../runtime/random.js");
+function bitLength(alg) {
+    switch (alg) {
+        case 'A128GCM':
+            return 128;
+        case 'A192GCM':
+            return 192;
+        case 'A256GCM':
+        case 'A128CBC-HS256':
+            return 256;
+        case 'A192CBC-HS384':
+            return 384;
+        case 'A256CBC-HS512':
+            return 512;
+        default:
+            throw new errors_js_1.JOSENotSupported(`Unsupported JWE Algorithm: ${alg}`);
+    }
+}
+exports.bitLength = bitLength;
+exports.default = (alg) => (0, random_js_1.default)(new Uint8Array(bitLength(alg) >> 3));