For PGP encryption and signature, usually we use PGP command line tools for test purpose and finally use C# application for production. Mine is a Net Core 2.0 console application using NuGet package PgpCore, https://github.com/mattosaurus/PgpCore. PgpCore is based on BouncyCastle.NetCore which supports the standard OpenPGP keys. Here w use the popular GnuPG (GPG) tools to generate OpenPGP key pair. Download and Install GPG for Windows Download from https://gpg4win.org/download.html . By default the installation will create two folders (here we use command line tools only): Gpg4Win UI (Kleopatra): C:\Program Files (x86)\Gpg4win Command line tools: C:\Program Files (x86)\GnuPG\bin Generate a GPG Key Pair For GnuPG 2.2.1 and above: C:\Program Files (x86)\GnuPG\bin> gpg --full-generate-key For old versions of GnuPG: C:\Program Files (x86)\GnuPG\bin> gpg --gen-key Common GPG Commands List public keys: gpg --lis...
Suppose There is only one form in the page The form will be submitted in a way that can fire the the onsubmit event like either of the following: <input type="submit" value="Submit" /> <button type="submit">Submit</button> You can not submit a form in a way that can bypass the onsubmit event like the following (because the direct invocation of submit() will not fire the onsubmit event): <button type='button' onclick='getElementById("myForm").submit();'>Submit</button> The flow Clicking on submit -> Model client validation by jquery.validate -> reCaptcha client validation by grecaptcha.execute() -> (reCaptcha puzzle challenges if any) -> submitted by reCaptcha data-callback -> Model server validation -> reCaptcha server validation -> done Only after the reCaptcha client side validation has been passed, the form has chance to reach the back end. However, the ReCapt...
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