main repo

node_modules/jose/dist/browser/runtime/subtle_dsa.js

@@ -0,0 +1,26 @@
+import { JOSENotSupported } from '../util/errors.js';
+export default function subtleDsa(alg, algorithm) {
+    const hash = `SHA-${alg.slice(-3)}`;
+    switch (alg) {
+        case 'HS256':
+        case 'HS384':
+        case 'HS512':
+            return { hash, name: 'HMAC' };
+        case 'PS256':
+        case 'PS384':
+        case 'PS512':
+            return { hash, name: 'RSA-PSS', saltLength: alg.slice(-3) >> 3 };
+        case 'RS256':
+        case 'RS384':
+        case 'RS512':
+            return { hash, name: 'RSASSA-PKCS1-v1_5' };
+        case 'ES256':
+        case 'ES384':
+        case 'ES512':
+            return { hash, name: 'ECDSA', namedCurve: algorithm.namedCurve };
+        case 'EdDSA':
+            return { name: algorithm.name };
+        default:
+            throw new JOSENotSupported(`alg ${alg} is not supported either by JOSE or your javascript runtime`);
+    }
+}