initial commit. phase 1 complete

2026-05-05 20:45:19 +02:00
parent d9c68313a0
commit 89e058ffac
20631 changed files with 3224610 additions and 43 deletions
@@ -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`);
+    }
+}