Hi Prasanth Yes, the issuer is not the creator of the transaction and I want to externally verify the issuer's idenitity. Currently, I store the issuer's CA certificate in the ledger state database an

Hi Prasanth, Thank you very much for your reply. Indeed a transaction creator is already authenticated and attributes can be used to do acess control. Considier another use case. Using chaincode to is

Hi Yacov, yes, a peer would authenticate the proposal creator, who is a member of fabric network. But in chaincode container, there is no way to authenticate an identity who belongs to one client appl

Hi, I suggest to add msp support into chaincode to authenticate identitis in client applications. The getCreator api only get the creator and take it as authenticated already. A way to do: for an endo

Hello Gari, Thank you for your letter. In a real application, storage is always a heavy burden because every orderer, peer each has a complete blockchain. To relievee the storage requirement, a peer c

Hi, I want to make some modification to the fabric such that the peer only save blockheaders, not the transactions, not the meta data. A peer with the code is called a thin peer which needs less stora

-------- Forwarding messages -------- From: "meng" <qsmeng@...> Date: 2020-01-13 11:08:34 To: "Nikhil E Gupta" <negupta@...>,robert@...,nlzanutim@... Subject: Re:Re: re：[Hyperle

hello Robert, more specificly,I want to authenticate requestor id in chaincode. this provide more freedom for enduser. thank you. regards. qsmeng -------- 原始邮件 -------- 发件人： Robert Broeckelmann <rober

Hello Robert, Thank you for the reply. My initial idea is to add an API through which the ID of the requestor is passed to Fabric, and the id is authenticated by Fabric MSP. I will read the link you p

hi Nicholas, the identity be authentocated by fabric. if the kong runs outside the fabric, its result of ID authenticate is not accepted by fabric. I want to authenate the requestor in the fabric. tha

Hi experts, In the current fabric design, the client app is the use of Fabric. Running a client app is a heavy cost for a mobilephone user. We design a payment system, where a user can sign a payment

Hi, In 1 August, Wang discussed that only one org can upgrade a chaincode and change its endorsing policy. I also think this is a serious security problem. I also notice that more 1.4.x versions are b

Hi experts, In fabric 2.0 alpha, fabtoken is introduced. I have the following puzzles. 1. The issue transaction can be endorsed only by the prover peer. I want to know what is checked by commiter peer

Hi experts, In fabric 2.0 alpha, fabtoken is introduced. The issue transaction can be endorsed only by the prover peer. I want to know what is done by all peers in the transaction commitment stage to

Hi experts, In the paper "Hyperledger Fabric: A Distributed Operating System for Permissioned Blockchains", fabtoken is succinctly described. I want to know how much difference there will be between t

Hi, Before I submit my problem about obtaining orgs' root certificate in chaincode on Jira, I found two proposals, FAB12366 and FAB11602, both about enabling a chaincode to verifiy identities based on

hi, Before I submit my problem on Jira, I found two proposals, FAB12366 and FAB11602, both about enabling a chaincode to verifiy identities based on a channel's MSP, where the identities are not admin

"or just let chaincde retrieve from internet", How to do this?

Baohua, now I see what you mean. Even I can put some sdk in chaincoded, the sdk wont work because the chaincode only run in a container, only can commnicate with peers, but peers dont know how to deal

Thank you, Baohua. Yes, if chaincodes only use stub api, they can not get the msp from peer. But can chaincodes get msp through other ways? For example, through using go-sdk or through using functions