Updated the files.

my-app/node_modules/@sigstore/bundle/dist/build.d.ts

@@ -0,0 +1,18 @@
+/// <reference types="node" />
+import type { BundleWithDsseEnvelope, BundleWithMessageSignature } from './bundle';
+type VerificationMaterialOptions = {
+    certificate?: Buffer;
+    keyHint?: string;
+};
+type MessageSignatureBundleOptions = {
+    digest: Buffer;
+    signature: Buffer;
+} & VerificationMaterialOptions;
+type DSSEBundleOptions = {
+    artifact: Buffer;
+    artifactType: string;
+    signature: Buffer;
+} & VerificationMaterialOptions;
+export declare function toMessageSignatureBundle(options: MessageSignatureBundleOptions): BundleWithMessageSignature;
+export declare function toDSSEBundle(options: DSSEBundleOptions): BundleWithDsseEnvelope;
+export {};

my-app/node_modules/@sigstore/bundle/dist/build.js

@@ -0,0 +1,89 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.toDSSEBundle = exports.toMessageSignatureBundle = 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 protobuf_specs_1 = require("@sigstore/protobuf-specs");
+const bundle_1 = require("./bundle");
+// Message signature bundle - $case: 'messageSignature'
+function toMessageSignatureBundle(options) {
+    return {
+        mediaType: bundle_1.BUNDLE_V02_MEDIA_TYPE,
+        content: {
+            $case: 'messageSignature',
+            messageSignature: {
+                messageDigest: {
+                    algorithm: protobuf_specs_1.HashAlgorithm.SHA2_256,
+                    digest: options.digest,
+                },
+                signature: options.signature,
+            },
+        },
+        verificationMaterial: toVerificationMaterial(options),
+    };
+}
+exports.toMessageSignatureBundle = toMessageSignatureBundle;
+// DSSE envelope bundle - $case: 'dsseEnvelope'
+function toDSSEBundle(options) {
+    return {
+        mediaType: bundle_1.BUNDLE_V02_MEDIA_TYPE,
+        content: {
+            $case: 'dsseEnvelope',
+            dsseEnvelope: toEnvelope(options),
+        },
+        verificationMaterial: toVerificationMaterial(options),
+    };
+}
+exports.toDSSEBundle = toDSSEBundle;
+function toEnvelope(options) {
+    return {
+        payloadType: options.artifactType,
+        payload: options.artifact,
+        signatures: [toSignature(options)],
+    };
+}
+function toSignature(options) {
+    return {
+        keyid: options.keyHint || '',
+        sig: options.signature,
+    };
+}
+// Verification material
+function toVerificationMaterial(options) {
+    return {
+        content: toKeyContent(options),
+        tlogEntries: [],
+        timestampVerificationData: { rfc3161Timestamps: [] },
+    };
+}
+function toKeyContent(options) {
+    if (options.certificate) {
+        return {
+            $case: 'x509CertificateChain',
+            x509CertificateChain: {
+                certificates: [{ rawBytes: options.certificate }],
+            },
+        };
+    }
+    else {
+        return {
+            $case: 'publicKey',
+            publicKey: {
+                hint: options.keyHint || '',
+            },
+        };
+    }
+}

my-app/node_modules/@sigstore/bundle/dist/bundle.d.ts

@@ -0,0 +1,65 @@
+import type { Bundle as ProtoBundle, InclusionProof as ProtoInclusionProof, MessageSignature as ProtoMessageSignature, TransparencyLogEntry as ProtoTransparencyLogEntry, VerificationMaterial as ProtoVerificationMaterial } from '@sigstore/protobuf-specs';
+import type { WithRequired } from './utility';
+export declare const BUNDLE_V01_MEDIA_TYPE = "application/vnd.dev.sigstore.bundle+json;version=0.1";
+export declare const BUNDLE_V02_MEDIA_TYPE = "application/vnd.dev.sigstore.bundle+json;version=0.2";
+type DsseEnvelopeContent = Extract<ProtoBundle['content'], {
+    $case: 'dsseEnvelope';
+}>;
+type MessageSignatureContent = Extract<ProtoBundle['content'], {
+    $case: 'messageSignature';
+}>;
+export type MessageSignature = WithRequired<ProtoMessageSignature, 'messageDigest'>;
+export type VerificationMaterial = WithRequired<ProtoVerificationMaterial, 'content'>;
+export type TransparencyLogEntry = WithRequired<ProtoTransparencyLogEntry, 'logId' | 'kindVersion'>;
+export type InclusionProof = WithRequired<ProtoInclusionProof, 'checkpoint'>;
+export type TLogEntryWithInclusionPromise = WithRequired<TransparencyLogEntry, 'inclusionPromise'>;
+export type TLogEntryWithInclusionProof = TransparencyLogEntry & {
+    inclusionProof: InclusionProof;
+};
+export type Bundle = ProtoBundle & {
+    verificationMaterial: VerificationMaterial & {
+        tlogEntries: TransparencyLogEntry[];
+    };
+    content: (MessageSignatureContent & {
+        messageSignature: MessageSignature;
+    }) | DsseEnvelopeContent;
+};
+export type BundleV01 = Bundle & {
+    verificationMaterial: Bundle['verificationMaterial'] & {
+        tlogEntries: TLogEntryWithInclusionPromise[];
+    };
+};
+export type BundleLatest = Bundle & {
+    verificationMaterial: Bundle['verificationMaterial'] & {
+        tlogEntries: TLogEntryWithInclusionProof[];
+    };
+};
+export type BundleWithCertificateChain = Bundle & {
+    verificationMaterial: Bundle['verificationMaterial'] & {
+        content: Extract<VerificationMaterial['content'], {
+            $case: 'x509CertificateChain';
+        }>;
+    };
+};
+export type BundleWithPublicKey = Bundle & {
+    verificationMaterial: Bundle['verificationMaterial'] & {
+        content: Extract<VerificationMaterial['content'], {
+            $case: 'publicKey';
+        }>;
+    };
+};
+export type BundleWithMessageSignature = Bundle & {
+    content: Extract<Bundle['content'], {
+        $case: 'messageSignature';
+    }>;
+};
+export type BundleWithDsseEnvelope = Bundle & {
+    content: Extract<Bundle['content'], {
+        $case: 'dsseEnvelope';
+    }>;
+};
+export declare function isBundleWithCertificateChain(b: Bundle): b is BundleWithCertificateChain;
+export declare function isBundleWithPublicKey(b: Bundle): b is BundleWithPublicKey;
+export declare function isBundleWithMessageSignature(b: Bundle): b is BundleWithMessageSignature;
+export declare function isBundleWithDsseEnvelope(b: Bundle): b is BundleWithDsseEnvelope;
+export {};

my-app/node_modules/@sigstore/bundle/dist/bundle.js

@@ -0,0 +1,22 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isBundleWithDsseEnvelope = exports.isBundleWithMessageSignature = exports.isBundleWithPublicKey = exports.isBundleWithCertificateChain = exports.BUNDLE_V02_MEDIA_TYPE = exports.BUNDLE_V01_MEDIA_TYPE = void 0;
+exports.BUNDLE_V01_MEDIA_TYPE = 'application/vnd.dev.sigstore.bundle+json;version=0.1';
+exports.BUNDLE_V02_MEDIA_TYPE = 'application/vnd.dev.sigstore.bundle+json;version=0.2';
+// Type guards for bundle variants.
+function isBundleWithCertificateChain(b) {
+    return b.verificationMaterial.content.$case === 'x509CertificateChain';
+}
+exports.isBundleWithCertificateChain = isBundleWithCertificateChain;
+function isBundleWithPublicKey(b) {
+    return b.verificationMaterial.content.$case === 'publicKey';
+}
+exports.isBundleWithPublicKey = isBundleWithPublicKey;
+function isBundleWithMessageSignature(b) {
+    return b.content.$case === 'messageSignature';
+}
+exports.isBundleWithMessageSignature = isBundleWithMessageSignature;
+function isBundleWithDsseEnvelope(b) {
+    return b.content.$case === 'dsseEnvelope';
+}
+exports.isBundleWithDsseEnvelope = isBundleWithDsseEnvelope;

my-app/node_modules/@sigstore/bundle/dist/error.d.ts

@@ -0,0 +1,4 @@
+export declare class ValidationError extends Error {
+    fields: string[];
+    constructor(message: string, fields: string[]);
+}

my-app/node_modules/@sigstore/bundle/dist/error.js

@@ -0,0 +1,25 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ValidationError = 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.
+*/
+class ValidationError extends Error {
+    constructor(message, fields) {
+        super(message);
+        this.fields = fields;
+    }
+}
+exports.ValidationError = ValidationError;

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

@@ -0,0 +1,8 @@
+export { toDSSEBundle, toMessageSignatureBundle } from './build';
+export { BUNDLE_V01_MEDIA_TYPE, BUNDLE_V02_MEDIA_TYPE, isBundleWithCertificateChain, isBundleWithDsseEnvelope, isBundleWithMessageSignature, isBundleWithPublicKey, } from './bundle';
+export { ValidationError } from './error';
+export { bundleFromJSON, bundleToJSON, envelopeFromJSON, envelopeToJSON, } from './serialized';
+export { assertBundle, assertBundleLatest, assertBundleV01, isBundleV01, } from './validate';
+export type { Envelope, PublicKeyIdentifier, RFC3161SignedTimestamp, Signature, TimestampVerificationData, X509Certificate, X509CertificateChain, } from '@sigstore/protobuf-specs';
+export type { Bundle, BundleLatest, BundleV01, BundleWithCertificateChain, BundleWithDsseEnvelope, BundleWithMessageSignature, BundleWithPublicKey, InclusionProof, MessageSignature, TLogEntryWithInclusionPromise, TLogEntryWithInclusionProof, TransparencyLogEntry, VerificationMaterial, } from './bundle';
+export type { SerializedBundle, SerializedEnvelope } from './serialized';

my-app/node_modules/@sigstore/bundle/dist/index.js

@@ -0,0 +1,40 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isBundleV01 = exports.assertBundleV01 = exports.assertBundleLatest = exports.assertBundle = exports.envelopeToJSON = exports.envelopeFromJSON = exports.bundleToJSON = exports.bundleFromJSON = exports.ValidationError = exports.isBundleWithPublicKey = exports.isBundleWithMessageSignature = exports.isBundleWithDsseEnvelope = exports.isBundleWithCertificateChain = exports.BUNDLE_V02_MEDIA_TYPE = exports.BUNDLE_V01_MEDIA_TYPE = exports.toMessageSignatureBundle = exports.toDSSEBundle = 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.
+*/
+var build_1 = require("./build");
+Object.defineProperty(exports, "toDSSEBundle", { enumerable: true, get: function () { return build_1.toDSSEBundle; } });
+Object.defineProperty(exports, "toMessageSignatureBundle", { enumerable: true, get: function () { return build_1.toMessageSignatureBundle; } });
+var bundle_1 = require("./bundle");
+Object.defineProperty(exports, "BUNDLE_V01_MEDIA_TYPE", { enumerable: true, get: function () { return bundle_1.BUNDLE_V01_MEDIA_TYPE; } });
+Object.defineProperty(exports, "BUNDLE_V02_MEDIA_TYPE", { enumerable: true, get: function () { return bundle_1.BUNDLE_V02_MEDIA_TYPE; } });
+Object.defineProperty(exports, "isBundleWithCertificateChain", { enumerable: true, get: function () { return bundle_1.isBundleWithCertificateChain; } });
+Object.defineProperty(exports, "isBundleWithDsseEnvelope", { enumerable: true, get: function () { return bundle_1.isBundleWithDsseEnvelope; } });
+Object.defineProperty(exports, "isBundleWithMessageSignature", { enumerable: true, get: function () { return bundle_1.isBundleWithMessageSignature; } });
+Object.defineProperty(exports, "isBundleWithPublicKey", { enumerable: true, get: function () { return bundle_1.isBundleWithPublicKey; } });
+var error_1 = require("./error");
+Object.defineProperty(exports, "ValidationError", { enumerable: true, get: function () { return error_1.ValidationError; } });
+var serialized_1 = require("./serialized");
+Object.defineProperty(exports, "bundleFromJSON", { enumerable: true, get: function () { return serialized_1.bundleFromJSON; } });
+Object.defineProperty(exports, "bundleToJSON", { enumerable: true, get: function () { return serialized_1.bundleToJSON; } });
+Object.defineProperty(exports, "envelopeFromJSON", { enumerable: true, get: function () { return serialized_1.envelopeFromJSON; } });
+Object.defineProperty(exports, "envelopeToJSON", { enumerable: true, get: function () { return serialized_1.envelopeToJSON; } });
+var validate_1 = require("./validate");
+Object.defineProperty(exports, "assertBundle", { enumerable: true, get: function () { return validate_1.assertBundle; } });
+Object.defineProperty(exports, "assertBundleLatest", { enumerable: true, get: function () { return validate_1.assertBundleLatest; } });
+Object.defineProperty(exports, "assertBundleV01", { enumerable: true, get: function () { return validate_1.assertBundleV01; } });
+Object.defineProperty(exports, "isBundleV01", { enumerable: true, get: function () { return validate_1.isBundleV01; } });

my-app/node_modules/@sigstore/bundle/dist/serialized.d.ts

@@ -0,0 +1,71 @@
+import { Envelope } from '@sigstore/protobuf-specs';
+import { Bundle } from './bundle';
+import type { OneOf } from './utility';
+export declare const bundleFromJSON: (obj: unknown) => Bundle;
+export declare const bundleToJSON: (bundle: Bundle) => SerializedBundle;
+export declare const envelopeFromJSON: (obj: unknown) => Envelope;
+export declare const envelopeToJSON: (envelope: Envelope) => SerializedEnvelope;
+type SerializedTLogEntry = {
+    logIndex: string;
+    logId: {
+        keyId: string;
+    };
+    kindVersion: {
+        kind: string;
+        version: string;
+    } | undefined;
+    integratedTime: string;
+    inclusionPromise: {
+        signedEntryTimestamp: string;
+    } | undefined;
+    inclusionProof: {
+        logIndex: string;
+        rootHash: string;
+        treeSize: string;
+        hashes: string[];
+        checkpoint: {
+            envelope: string;
+        };
+    } | undefined;
+    canonicalizedBody: string;
+};
+type SerializedTimestampVerificationData = {
+    rfc3161Timestamps: {
+        signedTimestamp: string;
+    }[];
+};
+type SerializedMessageSignature = {
+    messageDigest: {
+        algorithm: string;
+        digest: string;
+    } | undefined;
+    signature: string;
+};
+export type SerializedEnvelope = {
+    payload: string;
+    payloadType: string;
+    signatures: {
+        sig: string;
+        keyid: string;
+    }[];
+};
+export type SerializedBundle = {
+    mediaType: string;
+    verificationMaterial: (OneOf<{
+        x509CertificateChain: {
+            certificates: {
+                rawBytes: string;
+            }[];
+        };
+        publicKey: {
+            hint: string;
+        };
+    }> | undefined) & {
+        tlogEntries: SerializedTLogEntry[];
+        timestampVerificationData: SerializedTimestampVerificationData | undefined;
+    };
+} & OneOf<{
+    dsseEnvelope: SerializedEnvelope;
+    messageSignature: SerializedMessageSignature;
+}>;
+export {};

my-app/node_modules/@sigstore/bundle/dist/serialized.js

@@ -0,0 +1,45 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.envelopeToJSON = exports.envelopeFromJSON = exports.bundleToJSON = exports.bundleFromJSON = 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 protobuf_specs_1 = require("@sigstore/protobuf-specs");
+const bundle_1 = require("./bundle");
+const validate_1 = require("./validate");
+const bundleFromJSON = (obj) => {
+    const bundle = protobuf_specs_1.Bundle.fromJSON(obj);
+    (0, validate_1.assertBundle)(bundle);
+    if (bundle.mediaType === bundle_1.BUNDLE_V01_MEDIA_TYPE) {
+        (0, validate_1.assertBundleV01)(bundle);
+    }
+    else {
+        (0, validate_1.assertBundleLatest)(bundle);
+    }
+    return bundle;
+};
+exports.bundleFromJSON = bundleFromJSON;
+const bundleToJSON = (bundle) => {
+    return protobuf_specs_1.Bundle.toJSON(bundle);
+};
+exports.bundleToJSON = bundleToJSON;
+const envelopeFromJSON = (obj) => {
+    return protobuf_specs_1.Envelope.fromJSON(obj);
+};
+exports.envelopeFromJSON = envelopeFromJSON;
+const envelopeToJSON = (envelope) => {
+    return protobuf_specs_1.Envelope.toJSON(envelope);
+};
+exports.envelopeToJSON = envelopeToJSON;

my-app/node_modules/@sigstore/bundle/dist/utility.d.ts

@@ -0,0 +1,14 @@
+type ValueOf<Obj> = Obj[keyof Obj];
+type OneOnly<Obj, K extends keyof Obj> = {
+    [key in Exclude<keyof Obj, K>]: undefined;
+} & {
+    [key in K]: Obj[K];
+};
+type OneOfByKey<Obj> = {
+    [key in keyof Obj]: OneOnly<Obj, key>;
+};
+export type OneOf<T> = ValueOf<OneOfByKey<T>>;
+export type WithRequired<T, K extends keyof T> = T & {
+    [P in K]-?: NonNullable<T[P]>;
+};
+export {};

my-app/node_modules/@sigstore/bundle/dist/utility.js

@@ -0,0 +1,2 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });

my-app/node_modules/@sigstore/bundle/dist/validate.d.ts

@@ -0,0 +1,6 @@
+import type { Bundle as ProtoBundle } from '@sigstore/protobuf-specs';
+import type { Bundle, BundleLatest, BundleV01 } from './bundle';
+export declare function assertBundle(b: ProtoBundle): asserts b is Bundle;
+export declare function assertBundleV01(b: Bundle): asserts b is BundleV01;
+export declare function isBundleV01(b: Bundle): b is BundleV01;
+export declare function assertBundleLatest(b: ProtoBundle): asserts b is BundleLatest;

my-app/node_modules/@sigstore/bundle/dist/validate.js

@@ -0,0 +1,160 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.assertBundleLatest = exports.isBundleV01 = exports.assertBundleV01 = exports.assertBundle = 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 bundle_1 = require("./bundle");
+const error_1 = require("./error");
+// Performs basic validation of a Sigstore bundle to ensure that all required
+// fields are populated. This is not a complete validation of the bundle, but
+// rather a check that the bundle is in a valid state to be processed by the
+// rest of the code.
+function assertBundle(b) {
+    const invalidValues = [];
+    // Media type validation
+    if (b.mediaType === undefined ||
+        !b.mediaType.startsWith('application/vnd.dev.sigstore.bundle+json;version=')) {
+        invalidValues.push('mediaType');
+    }
+    // Content-related validation
+    if (b.content === undefined) {
+        invalidValues.push('content');
+    }
+    else {
+        switch (b.content.$case) {
+            case 'messageSignature':
+                if (b.content.messageSignature.messageDigest === undefined) {
+                    invalidValues.push('content.messageSignature.messageDigest');
+                }
+                else {
+                    if (b.content.messageSignature.messageDigest.digest.length === 0) {
+                        invalidValues.push('content.messageSignature.messageDigest.digest');
+                    }
+                }
+                if (b.content.messageSignature.signature.length === 0) {
+                    invalidValues.push('content.messageSignature.signature');
+                }
+                break;
+            case 'dsseEnvelope':
+                if (b.content.dsseEnvelope.payload.length === 0) {
+                    invalidValues.push('content.dsseEnvelope.payload');
+                }
+                if (b.content.dsseEnvelope.signatures.length !== 1) {
+                    invalidValues.push('content.dsseEnvelope.signatures');
+                }
+                else {
+                    if (b.content.dsseEnvelope.signatures[0].sig.length === 0) {
+                        invalidValues.push('content.dsseEnvelope.signatures[0].sig');
+                    }
+                }
+                break;
+        }
+    }
+    // Verification material-related validation
+    if (b.verificationMaterial === undefined) {
+        invalidValues.push('verificationMaterial');
+    }
+    else {
+        if (b.verificationMaterial.content === undefined) {
+            invalidValues.push('verificationMaterial.content');
+        }
+        else {
+            switch (b.verificationMaterial.content.$case) {
+                case 'x509CertificateChain':
+                    if (b.verificationMaterial.content.x509CertificateChain.certificates
+                        .length === 0) {
+                        invalidValues.push('verificationMaterial.content.x509CertificateChain.certificates');
+                    }
+                    b.verificationMaterial.content.x509CertificateChain.certificates.forEach((cert, i) => {
+                        if (cert.rawBytes.length === 0) {
+                            invalidValues.push(`verificationMaterial.content.x509CertificateChain.certificates[${i}].rawBytes`);
+                        }
+                    });
+                    break;
+            }
+        }
+        if (b.verificationMaterial.tlogEntries === undefined) {
+            invalidValues.push('verificationMaterial.tlogEntries');
+        }
+        else {
+            if (b.verificationMaterial.tlogEntries.length > 0) {
+                b.verificationMaterial.tlogEntries.forEach((entry, i) => {
+                    if (entry.logId === undefined) {
+                        invalidValues.push(`verificationMaterial.tlogEntries[${i}].logId`);
+                    }
+                    if (entry.kindVersion === undefined) {
+                        invalidValues.push(`verificationMaterial.tlogEntries[${i}].kindVersion`);
+                    }
+                });
+            }
+        }
+    }
+    if (invalidValues.length > 0) {
+        throw new error_1.ValidationError('invalid bundle', invalidValues);
+    }
+}
+exports.assertBundle = assertBundle;
+// Asserts that the given bundle conforms to the v0.1 bundle format.
+function assertBundleV01(b) {
+    const invalidValues = [];
+    if (b.mediaType && b.mediaType !== bundle_1.BUNDLE_V01_MEDIA_TYPE) {
+        invalidValues.push('mediaType');
+    }
+    if (b.verificationMaterial &&
+        b.verificationMaterial.tlogEntries?.length > 0) {
+        b.verificationMaterial.tlogEntries.forEach((entry, i) => {
+            if (entry.inclusionPromise === undefined) {
+                invalidValues.push(`verificationMaterial.tlogEntries[${i}].inclusionPromise`);
+            }
+        });
+    }
+    if (invalidValues.length > 0) {
+        throw new error_1.ValidationError('invalid v0.1 bundle', invalidValues);
+    }
+}
+exports.assertBundleV01 = assertBundleV01;
+// Type guard to determine if Bundle is a v0.1 bundle.
+function isBundleV01(b) {
+    try {
+        assertBundleV01(b);
+        return true;
+    }
+    catch (e) {
+        return false;
+    }
+}
+exports.isBundleV01 = isBundleV01;
+// Asserts that the given bundle conforms to the newest (0.2) bundle format.
+function assertBundleLatest(b) {
+    const invalidValues = [];
+    if (b.verificationMaterial &&
+        b.verificationMaterial.tlogEntries?.length > 0) {
+        b.verificationMaterial.tlogEntries.forEach((entry, i) => {
+            if (entry.inclusionProof === undefined) {
+                invalidValues.push(`verificationMaterial.tlogEntries[${i}].inclusionProof`);
+            }
+            else {
+                if (entry.inclusionProof.checkpoint === undefined) {
+                    invalidValues.push(`verificationMaterial.tlogEntries[${i}].inclusionProof.checkpoint`);
+                }
+            }
+        });
+    }
+    if (invalidValues.length > 0) {
+        throw new error_1.ValidationError('invalid v0.2 bundle', invalidValues);
+    }
+}
+exports.assertBundleLatest = assertBundleLatest;