Sining Data change, replace eip712 to eip191.

.changeset/hot-carrots-travel.md

@@ -0,0 +1,10 @@
+---
+'@zcloak/did-resolver': minor
+'@zcloak/crypto': minor
+'@zcloak/verify': minor
+'@zcloak/ctype': minor
+'@zcloak/did': minor
+'@zcloak/vc': minor
+---
+
+Sining Data change, replace eip712 to eip191.

package.json

@@ -24,8 +24,8 @@
     "changeset": "zcloak-exec-changeset",
     "clean": "zcloak-dev-clean-build",
     "lint": "yarn lint:ts && yarn lint:dependencies",
-    "lint:ts": "zcloak-dev-run-lint",
     "lint:dependencies": "zcloak-dev-lint-dependencies --fix",
+    "lint:ts": "zcloak-dev-run-lint",
     "postinstall": "zcloak-dev-yarn-only",
     "test": "zcloak-dev-run-test --coverage --forceExit --runInBand --testPathIgnorePatterns e2e",
     "test:one": "zcloak-dev-run-test --runInBand",

packages/crypto/src/eip191/eip191.ts

@@ -0,0 +1,25 @@
+// Copyright 2021-2023 zcloak authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { HexString } from '../types';
+
+import { stringToU8a, u8aConcat, u8aToU8a } from '@polkadot/util';
+
+import { keccak256AsU8a } from '../keccak';
+
+/**
+ * @name eip191HashMessage
+ * @description
+ * keccak256 hash `message` with eip191 method, returns `Uint8Array`. See https://eips.ethereum.org/EIPS/eip-191
+ */
+export function eip191HashMessage(message: Uint8Array | HexString): Uint8Array {
+  const messageU8a = u8aToU8a(message);
+
+  return keccak256AsU8a(
+    u8aConcat(
+      stringToU8a('\x19Ethereum Signed Message:\n'),
+      stringToU8a(String(messageU8a.length)),
+      messageU8a
+    )
+  );
+}

packages/crypto/src/eip191/index.ts

@@ -0,0 +1,4 @@
+// Copyright 2021-2023 zcloak authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+export * from './eip191';

packages/crypto/src/index.ts

@@ -5,6 +5,7 @@ export * from './blake2';
 export * from './blake3';
 export * from './blake3-2to1';
 export * from './ed25519';
+export * from './eip191';
 export * from './eip712';
 export * from './ethereum';
 export * from './hdkey';

packages/ctype/src/publish.ts

@@ -4,15 +4,14 @@
 import type { HexString } from '@zcloak/crypto/types';
 import type { Did } from '@zcloak/did';
 import type { DidUrl } from '@zcloak/did-resolver/types';
-import type { BaseCType, CType } from './types';
+import type { BaseCType, CType, CTypeVersion } from './types';
 
-import { u8aToHex } from '@polkadot/util';
+import { numberToU8a, stringToU8a, u8aConcat, u8aToHex } from '@polkadot/util';
 
 import { base58Encode, jsonCanonicalize, keccak256AsU8a } from '@zcloak/crypto';
 import { parseDid } from '@zcloak/did-resolver/parseDid';
 
 import { DEFAULT_CTYPE_SCHEMA } from './defaults';
-import { getPublishCTypeTypedData } from './utils';
 
 export function getCTypeHash(
   base: BaseCType,
@@ -32,10 +31,17 @@ export function getCTypeHash(
   return u8aToHex(keccak256AsU8a(jsonCanonicalize(obj)));
 }
 
+export function signedCTypeMessage(hash: HexString, version: CTypeVersion): Uint8Array {
+  return u8aConcat(stringToU8a('VersionedCtypeCreation'), numberToU8a(Number(version), 16), hash);
+}
+
 export async function getPublish(base: BaseCType, publisher: Did): Promise<CType> {
   const hash = getCTypeHash(base, publisher.id);
 
-  const message = getPublishCTypeTypedData(hash);
+  const version: CTypeVersion = '0';
+
+  const message = signedCTypeMessage(hash, version);
+
   const {
     id,
     signature,
@@ -48,6 +54,7 @@ export async function getPublish(base: BaseCType, publisher: Did): Promise<CType
     ...base,
     publisher: id,
     signature: base58Encode(signature),
-    signatureType
+    signatureType,
+    version
   };
 }

packages/ctype/src/types.ts

@@ -4,7 +4,7 @@
 import type { HexString } from '@zcloak/crypto/types';
 import type { DidUrl, SignatureType } from '@zcloak/did-resolver/types';
 
-export type CTypeVersion = '1';
+export type CTypeVersion = '0';
 
 export type InstanceType =
   | 'object'
@@ -77,4 +77,6 @@ export interface CType extends BaseCType {
   signature: string;
   // since `@zcloak/ctype@1.0.0`
   signatureType?: SignatureType;
+  // since `@zcloak/ctype@1.1.0`
+  version?: CTypeVersion;
 }

packages/did-resolver/src/types.ts

@@ -5,6 +5,8 @@ export type DidMethod = 'zk';
 
 export type DidUrl = `did:${DidMethod}:${string}`;
 
+export type DidDocumentVersion = '0';
+
 export interface ParsedDid {
   did: DidUrl;
   didUrl: DidUrl;
@@ -22,7 +24,7 @@ export type VerificationMethodType =
 
 export type SignatureType =
   | 'EcdsaSecp256k1Signature2019'
-  | 'EcdsaSecp256k1SignatureEip712'
+  | 'EcdsaSecp256k1SignatureEip191'
   | 'Ed25519Signature2018';
 
 export interface VerificationMethod {
@@ -48,6 +50,8 @@ export interface DidDocumentProof {
 
 export interface DidDocument {
   '@context': ['https://www.w3.org/ns/did/v1'];
+  // since `@zcloak/did-resolver@1.1.0`
+  version?: DidDocumentVersion;
   id: DidUrl;
   controller: DidUrl[];
   verificationMethod?: VerificationMethod[];

packages/did/src/did/chain.ts

@@ -13,7 +13,7 @@ import { assert } from '@polkadot/util';
 
 import { base58Encode } from '@zcloak/crypto';
 
-import { getPublishDocumentTypedData } from '../utils';
+import { hashDidDocument, signedDidDocumentMessage } from '../hasher';
 import { DidKeyring } from './keyring';
 
 export abstract class DidChain extends DidKeyring {
@@ -22,6 +22,7 @@ export abstract class DidChain extends DidKeyring {
 
     const document: DidDocument = {
       '@context': ['https://www.w3.org/ns/did/v1'],
+      version: '0',
       id: this.id,
       controller: [...this.controller]
     };
@@ -80,11 +81,11 @@ export abstract class DidChain extends DidKeyring {
   public async getPublish(): Promise<DidDocumentWithProof> {
     const document = this.getDocument();
 
-    document.creationTime = Date.now();
-
     const proof: DidDocumentProof[] = document.proof ?? [];
 
-    const message = getPublishDocumentTypedData(document);
+    assert(document.version, 'Must have version field when publish');
+
+    const message = signedDidDocumentMessage(hashDidDocument(document), document.version);
 
     const {
       id,
@@ -96,6 +97,7 @@ export abstract class DidChain extends DidKeyring {
 
     return {
       ...document,
+      creationTime: Date.now(),
       proof
     };
   }

packages/did/src/did/index.spec.ts

@@ -6,16 +6,14 @@ import { alice, bob, DOCUMENTS, testResolver } from 'test-support';
 
 import {
   decodeMultibase,
-  eip712,
+  eip191HashMessage,
   ethereumEncode,
   initCrypto,
-  keccak256AsU8a,
   secp256k1Verify
 } from '@zcloak/crypto';
-import { TypedData } from '@zcloak/crypto/eip712/types';
 import { Keyring } from '@zcloak/keyring';
 
-import { getPublishDocumentTypedData } from '../utils';
+import { hashDidDocument, signedDidDocumentMessage } from '../hasher';
 import { createEcdsaFromMnemonic } from './helpers';
 
 describe('Did', (): void => {
@@ -85,87 +83,33 @@ describe('Did', (): void => {
 
       expect(
         secp256k1Verify(
-          keccak256AsU8a(message),
+          eip191HashMessage(message),
           signature1.signature,
           bob.get(bob.getKeyUrl('authentication')).publicKey
         )
       ).toBe(true);
       expect(
         secp256k1Verify(
-          keccak256AsU8a(message),
+          eip191HashMessage(message),
           signature2.signature,
           bob.get(bob.getKeyUrl('assertionMethod')).publicKey
         )
       ).toBe(true);
       expect(
         secp256k1Verify(
-          keccak256AsU8a(message),
+          eip191HashMessage(message),
           signature3.signature,
           bob.get(bob.getKeyUrl('capabilityDelegation')).publicKey
         )
       ).toBe(true);
       expect(
         secp256k1Verify(
-          keccak256AsU8a(message),
+          eip191HashMessage(message),
           signature4.signature,
           bob.get(bob.getKeyUrl('capabilityInvocation')).publicKey
         )
       ).toBe(true);
     });
-
-    it('sign a TypedData', async (): Promise<void> => {
-      const typedData: TypedData = {
-        types: {
-          EIP712Domain: [
-            { name: 'name', type: 'string' },
-            { name: 'version', type: 'string' }
-          ],
-          Test: [{ name: 'test', type: 'bytes' }]
-        },
-        primaryType: 'Test',
-        domain: {
-          name: 'Test',
-          version: '0'
-        },
-        message: {
-          test: '0x1234'
-        }
-      };
-
-      const signature1 = await alice.signWithKey(typedData, 'authentication');
-      const signature2 = await alice.signWithKey(typedData, 'assertionMethod');
-      const signature3 = await alice.signWithKey(typedData, 'capabilityDelegation');
-      const signature4 = await alice.signWithKey(typedData, 'capabilityInvocation');
-
-      expect(
-        secp256k1Verify(
-          eip712.getMessage(typedData, true),
-          signature1.signature,
-          alice.get(alice.getKeyUrl('authentication')).publicKey
-        )
-      ).toBe(true);
-      expect(
-        secp256k1Verify(
-          eip712.getMessage(typedData, true),
-          signature2.signature,
-          alice.get(alice.getKeyUrl('assertionMethod')).publicKey
-        )
-      ).toBe(true);
-      expect(
-        secp256k1Verify(
-          eip712.getMessage(typedData, true),
-          signature3.signature,
-          alice.get(alice.getKeyUrl('capabilityDelegation')).publicKey
-        )
-      ).toBe(true);
-      expect(
-        secp256k1Verify(
-          eip712.getMessage(typedData, true),
-          signature4.signature,
-          alice.get(alice.getKeyUrl('capabilityInvocation')).publicKey
-        )
-      ).toBe(true);
-    });
   });
 
   describe('encrypt and decrypt', (): void => {
@@ -193,11 +137,13 @@ describe('Did', (): void => {
     it('getPublish verify', async (): Promise<void> => {
       const document = await alice.getPublish();
 
-      expect(document.proof[0].signatureType).toBe('EcdsaSecp256k1SignatureEip712');
+      expect(document.proof[0].signatureType).toBe('EcdsaSecp256k1SignatureEip191');
 
       expect(
         secp256k1Verify(
-          eip712.getMessage(getPublishDocumentTypedData(document), true),
+          eip191HashMessage(
+            signedDidDocumentMessage(hashDidDocument(document), document.version || '0')
+          ),
           decodeMultibase(document.proof[0].signature),
           alice.get(alice.getKeyUrl('capabilityInvocation')).publicKey
         )

packages/did/src/did/index.ts

@@ -22,7 +22,7 @@ export class Did extends DidChain {
 
     const document = this.getDocument();
 
-    return u8aEq(hashDidDocument(onChainDocument, false), hashDidDocument(document, false));
+    return u8aEq(hashDidDocument(onChainDocument), hashDidDocument(document));
   }
 
   public addService(service: Service): void {