Feat/ed25519-remove-hash (#225)

* Remove hashing from ed25519

* 1.11.1

Author: Kolezhniuk

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@0xpolygonid/js-sdk",
-  "version": "1.11.0",
+  "version": "1.11.1",
   "description": "SDK to work with Polygon ID",
   "main": "dist/node/cjs/index.js",
   "module": "dist/node/esm/index.js",

package.json

@@ -3,7 +3,6 @@ import { AbstractPrivateKeyStore, KmsKeyId, KmsKeyType } from '../store';
 import * as providerHelpers from '../provider-helpers';
 import { ed25519 } from '@noble/curves/ed25519';
 import { bytesToHex } from '../../utils';
-import { sha256 } from '@iden3/js-crypto';
 
 /**
  * Provider for Ed25519 keys
@@ -61,24 +60,24 @@ export class Ed25519Provider implements IKeyProvider {
    * signs prepared payload of size,
    * with a key id
    * @param {KmsKeyId} keyId  - key identifier
-   * @param {Uint8Array} data - data to sign (32 bytes)
+   * @param {Uint8Array} digest - data to sign (32 bytes)
    * @returns {Promise<Uint8Array>} signature
    */
-  async sign(keyId: KmsKeyId, data: Uint8Array): Promise<Uint8Array> {
+  async sign(keyId: KmsKeyId, digest: Uint8Array): Promise<Uint8Array> {
     const privateKeyHex = await this.privateKey(keyId);
-    return ed25519.sign(sha256(data), privateKeyHex);
+    return ed25519.sign(digest, privateKeyHex);
   }
 
   /**
    * Verifies a signature for the given message and key identifier.
-   * @param message - The message to verify the signature against.
+   * @param digest - The message to verify the signature against.
    * @param signatureHex - The signature to verify, as a hexadecimal string.
    * @param keyId - The key identifier to use for verification.
    * @returns A Promise that resolves to a boolean indicating whether the signature is valid.
    */
-  async verify(message: Uint8Array, signatureHex: string, keyId: KmsKeyId): Promise<boolean> {
+  async verify(digest: Uint8Array, signatureHex: string, keyId: KmsKeyId): Promise<boolean> {
     const publicKeyHex = await this.publicKey(keyId);
-    return ed25519.verify(signatureHex, sha256(message), publicKeyHex);
+    return ed25519.verify(signatureHex, digest, publicKeyHex);
   }
 
   /**