fix(cli): generate ecdh shared key only one time

privacy-scaling-explorations · Feb 29, 2024 · a75ccae · a75ccae
1 parent 27b80ce
commit a75ccae
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cli/ts/commands/publish.ts b/cli/ts/commands/publish.ts
@@ -204,6 +204,7 @@ export const publishBatch = async ({
   ]);
 
   const encryptionKeypair = new Keypair();
+  const sharedKey = Keypair.genEcdhSharedKey(encryptionKeypair.privKey, coordinatorPubKey);
 
   const payload: [IMessageContractParams, IG1ContractParams][] = messages.map(
     ({ salt, stateIndex, voteOptionIndex, newVoteWeight, nonce }) => {
@@ -223,7 +224,6 @@ export const publishBatch = async ({
       // sign the command with the user private key
       const signature = command.sign(userMaciPrivKey);
 
-      const sharedKey = Keypair.genEcdhSharedKey(encryptionKeypair.privKey, coordinatorPubKey);
       const message = command.encrypt(signature, sharedKey);
 
       return [message.asContractParam(), encryptionKeypair.pubKey.asContractParam()];