digital-signature

Implementing REST API digital signature

Implementing REST API digital signature Question: I’m currently trying to implement a minimal REST API with digital signature. I understand that the underlying concept is that the sender sign the payload with its private key using HMAC and that the receiver verify this signature with the public key. However I have some difficulties implementing a …

Total answers: 1

Verify Metamask signature (ethereum) using Python

Verify Metamask signature (ethereum) using Python Question: I would like to verify an ethereum (ETH) signature made in MetaMask using python. I’m developing a website using flask as backend. Javascript code send a POST requests to the back end containing the 3 following variables: {‘signature’: ‘0x0293cc0d4eb416ca95349b7e63dc9d1c9a7aab4865b5cd6d6f2c36fb1dce12d34a05039aedf0bc64931a439def451bcf313abbcc72e9172f7fd51ecca30b41dd1b’, ‘nonce’: ‘6875972781’, ‘adress’: ‘0x3a806c439805d6e0fdd88a4c98682f86a7111789’} My goal is to verify …

Total answers: 3

How do I create a PDF file containing a Signature Field, using python?

How do I create a PDF file containing a Signature Field, using python? Question: In order to be able to sign a PDF document using a token based DSC, I need a so-called signature field in my PDF. This is a rectangular field you can fill with a digital signature using e.g. Adobe Reader or …

Total answers: 4