Updated the files.

my-app/node_modules/@sigstore/verify/dist/tlog/dsse.d.ts

@@ -0,0 +1,3 @@
+import type { ProposedDSSEEntry } from '@sigstore/rekor-types';
+import type { SignatureContent } from '../shared.types';
+export declare function verifyDSSETLogBody(tlogEntry: ProposedDSSEEntry, content: SignatureContent): void;

my-app/node_modules/@sigstore/verify/dist/tlog/dsse.js

@@ -0,0 +1,58 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.verifyDSSETLogBody = 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 error_1 = require("../error");
+// Compare the given intoto tlog entry to the given bundle
+function verifyDSSETLogBody(tlogEntry, content) {
+    switch (tlogEntry.apiVersion) {
+        case '0.0.1':
+            return verifyDSSE001TLogBody(tlogEntry, content);
+        default:
+            throw new error_1.VerificationError({
+                code: 'TLOG_BODY_ERROR',
+                message: `unsupported dsse version: ${tlogEntry.apiVersion}`,
+            });
+    }
+}
+exports.verifyDSSETLogBody = verifyDSSETLogBody;
+// Compare the given dsse v0.0.1 tlog entry to the given DSSE envelope.
+function verifyDSSE001TLogBody(tlogEntry, content) {
+    // Ensure the bundle's DSSE only contains a single signature
+    if (tlogEntry.spec.signatures?.length !== 1) {
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: 'signature count mismatch',
+        });
+    }
+    const tlogSig = tlogEntry.spec.signatures[0].signature;
+    // Ensure that the signature in the bundle's DSSE matches tlog entry
+    if (!content.compareSignature(Buffer.from(tlogSig, 'base64')))
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: 'tlog entry signature mismatch',
+        });
+    // Ensure the digest of the bundle's DSSE payload matches the digest in the
+    // tlog entry
+    const tlogHash = tlogEntry.spec.payloadHash?.value || '';
+    if (!content.compareDigest(Buffer.from(tlogHash, 'hex'))) {
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: 'DSSE payload hash mismatch',
+        });
+    }
+}

my-app/node_modules/@sigstore/verify/dist/tlog/hashedrekord.d.ts

@@ -0,0 +1,3 @@
+import type { ProposedHashedRekordEntry } from '@sigstore/rekor-types';
+import type { SignatureContent } from '../shared.types';
+export declare function verifyHashedRekordTLogBody(tlogEntry: ProposedHashedRekordEntry, content: SignatureContent): void;

my-app/node_modules/@sigstore/verify/dist/tlog/hashedrekord.js

@@ -0,0 +1,52 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.verifyHashedRekordTLogBody = 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 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}`,
+            });
+    }
+}
+exports.verifyHashedRekordTLogBody = verifyHashedRekordTLogBody;
+// 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',
+        });
+    }
+}

my-app/node_modules/@sigstore/verify/dist/tlog/index.d.ts

@@ -0,0 +1,3 @@
+import type { TransparencyLogEntry } from '@sigstore/bundle';
+import type { SignatureContent } from '../shared.types';
+export declare function verifyTLogBody(entry: TransparencyLogEntry, sigContent: SignatureContent): void;

my-app/node_modules/@sigstore/verify/dist/tlog/index.js

@@ -0,0 +1,48 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.verifyTLogBody = 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 error_1 = require("../error");
+const dsse_1 = require("./dsse");
+const hashedrekord_1 = require("./hashedrekord");
+const intoto_1 = require("./intoto");
+// Verifies that the given tlog entry matches the supplied signature content.
+function verifyTLogBody(entry, sigContent) {
+    const { kind, version } = entry.kindVersion;
+    const body = JSON.parse(entry.canonicalizedBody.toString('utf8'));
+    if (kind !== body.kind || version !== body.apiVersion) {
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: `kind/version mismatch - expected: ${kind}/${version}, received: ${body.kind}/${body.apiVersion}`,
+        });
+    }
+    switch (body.kind) {
+        case 'dsse':
+            return (0, dsse_1.verifyDSSETLogBody)(body, sigContent);
+        case 'intoto':
+            return (0, intoto_1.verifyIntotoTLogBody)(body, sigContent);
+        case 'hashedrekord':
+            return (0, hashedrekord_1.verifyHashedRekordTLogBody)(body, sigContent);
+        /* istanbul ignore next */
+        default:
+            throw new error_1.VerificationError({
+                code: 'TLOG_BODY_ERROR',
+                message: `unsupported kind: ${kind}`,
+            });
+    }
+}
+exports.verifyTLogBody = verifyTLogBody;

my-app/node_modules/@sigstore/verify/dist/tlog/intoto.d.ts

@@ -0,0 +1,3 @@
+import type { ProposedIntotoEntry } from '@sigstore/rekor-types';
+import type { SignatureContent } from '../shared.types';
+export declare function verifyIntotoTLogBody(tlogEntry: ProposedIntotoEntry, content: SignatureContent): void;

my-app/node_modules/@sigstore/verify/dist/tlog/intoto.js

@@ -0,0 +1,62 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.verifyIntotoTLogBody = 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 error_1 = require("../error");
+// Compare the given intoto tlog entry to the given bundle
+function verifyIntotoTLogBody(tlogEntry, content) {
+    switch (tlogEntry.apiVersion) {
+        case '0.0.2':
+            return verifyIntoto002TLogBody(tlogEntry, content);
+        default:
+            throw new error_1.VerificationError({
+                code: 'TLOG_BODY_ERROR',
+                message: `unsupported intoto version: ${tlogEntry.apiVersion}`,
+            });
+    }
+}
+exports.verifyIntotoTLogBody = verifyIntotoTLogBody;
+// Compare the given intoto v0.0.2 tlog entry to the given DSSE envelope.
+function verifyIntoto002TLogBody(tlogEntry, content) {
+    // Ensure the bundle's DSSE contains a single signature
+    if (tlogEntry.spec.content.envelope.signatures?.length !== 1) {
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: 'signature count mismatch',
+        });
+    }
+    // Signature is double-base64-encoded in the tlog entry
+    const tlogSig = base64Decode(tlogEntry.spec.content.envelope.signatures[0].sig);
+    // Ensure that the signature in the bundle's DSSE matches tlog entry
+    if (!content.compareSignature(Buffer.from(tlogSig, 'base64')))
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: 'tlog entry signature mismatch',
+        });
+    // Ensure the digest of the bundle's DSSE payload matches the digest in the
+    // tlog entry
+    const tlogHash = tlogEntry.spec.content.payloadHash?.value || '';
+    if (!content.compareDigest(Buffer.from(tlogHash, 'hex'))) {
+        throw new error_1.VerificationError({
+            code: 'TLOG_BODY_ERROR',
+            message: 'DSSE payload hash mismatch',
+        });
+    }
+}
+function base64Decode(str) {
+    return Buffer.from(str, 'base64').toString('utf-8');
+}