init

node_modules/@sigstore/verify/dist/tlog/hashedrekord.js

@@ -0,0 +1,51 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.verifyHashedRekordTLogBody = verifyHashedRekordTLogBody;
+/*
+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 error_1 = require("../error");
+// Compare the given hashedrekord tlog entry to the given bundle
+function verifyHashedRekordTLogBody(tlogEntry, content) {
+    switch (tlogEntry.apiVersion) {
+        case '0.0.1':
+            return verifyHashedrekord001TLogBody(tlogEntry, content);
+        default:
+            throw new error_1.VerificationError({
+                code: 'TLOG_BODY_ERROR',
+                message: `unsupported hashedrekord version: ${tlogEntry.apiVersion}`,
+            });
+    }
+}
+// Compare the given hashedrekord v0.0.1 tlog entry to the given message
+// signature
+function verifyHashedrekord001TLogBody(tlogEntry, content) {
+    // Ensure that the bundles message signature matches the tlog entry
+    const tlogSig = tlogEntry.spec.signature.content || '';
+    if (!content.compareSignature(Buffer.from(tlogSig, 'base64'))) {
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: 'signature mismatch',
+        });
+    }
+    // Ensure that the bundle's message digest matches the tlog entry
+    const tlogDigest = tlogEntry.spec.data.hash?.value || '';
+    if (!content.compareDigest(Buffer.from(tlogDigest, 'hex'))) {
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: 'digest mismatch',
+        });
+    }
+}