update

package/node_modules/@sigstore/verify/dist/bundle/dsse.js

@@ -0,0 +1,43 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DSSESignatureContent = void 0;
+/*
+Copyright 2023 The Sigstore Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+const core_1 = require("@sigstore/core");
+class DSSESignatureContent {
+    constructor(env) {
+        this.env = env;
+    }
+    compareDigest(digest) {
+        return core_1.crypto.bufferEqual(digest, core_1.crypto.hash(this.env.payload));
+    }
+    compareSignature(signature) {
+        return core_1.crypto.bufferEqual(signature, this.signature);
+    }
+    verifySignature(key) {
+        return core_1.crypto.verify(this.preAuthEncoding, key, this.signature);
+    }
+    get signature() {
+        return this.env.signatures.length > 0
+            ? this.env.signatures[0].sig
+            : Buffer.from('');
+    }
+    // DSSE Pre-Authentication Encoding
+    get preAuthEncoding() {
+        return core_1.dsse.preAuthEncoding(this.env.payloadType, this.env.payload);
+    }
+}
+exports.DSSESignatureContent = DSSESignatureContent;