My input : 09876543212 Modulus : 5ad283c0c4922f5c12a4c4040f7ec5cd316c984f4e74edc99bf92eb19f40f430b5903a1a4b8d0e39512205769c3575679ed2abf4516bd9cb6f5e ...

I am trying to understand the SHA-2 algorithm. And it seems that its a bit vague on how people are encoding the message 'L' (see wikipedia's SHA256-2 ...

I am having trouble verifying an RS256 signature in PHP from a JWT. I have $to_verify = substr(Cookie::get('CF_Authorization'), 0, strrpos(Cookie::g ...

I'm writing a bytes array to a text file of a signed hash, that I first convert to a base64 string and convert to a bytes array again with the encodin ...

I have automated the use of Docusign from an Access Database using https calls from VBA Now I have to change from their legacy authentication to use O ...

I am trying to develop a Digital Signature tool using OpenSSL's libs but the created sign from my code is different than the one I get from the comman ...

I'm working on an implementation of EWP (Erasmus Without Papers), a set of API's for communication between universities world wide. Every call must be ...

I Receive XML request, contains MsgBody Tag, and Signature (the signing process done in .net), I have to Verify the msg body they sent, with the sign ...

I need help to implement EWP (https://developers.erasmuswithoutpaper.eu/). I have set up some API's and use an online validator tool by EWP to test th ...

Our system will be calling an API with Authentication server. This server is built in java and requires a lot of key encryption. One requirement is to ...

I have an application that needs to sign certain data and then confirm that the signature is valid. The algorithm to use is RSA SHA 256. I have a cert ...

I am migrating a project from .Net framework 4.8 to .Net Core 3.1. The problem is that this Basic256 algorithm is not compatible with Net Core Do ...

Using openssl I generated a private key (let's say httpCert.key) and a self signed certificate. Now, I have a string which I want to hash256, digitall ...

I tried search solution to my query, I couldn't able find match I am looking for, this is very basic, but to my better understanding I am posting belo ...

I'm trying to sign JWToken using RsaSsaPssSha256, with a self signed X509certificate2 that i read from the keystore. using .net 4.61; Tried to us ...

My objective is, To create sha256 for all the required files(which go into .swu) To Sign sw-description file with RSA algorithm. My .swu cons ...

I am using C# and C++ with OpenSSL to compute HMACSHA256 has with a key and both produce different results. What am I doing wrong? C# code: C++ co ...

I have to connect to a SFTP server. I used first this code : It worked well. I know phpseclib uses default sha1 and I would like to use sha256. So ...

So the problem I'm facing is that I'm making a request to a server, and the server is responding via webhooks -> this notification can take a while ...

I installed Crypto module and SHA256 but showing ModuleNotFoundError :- Traceback (most recent call last): File "Digitalsig.py", line 1, in from ...