A guide to public key encryption in multiple languages
Java C# Objective-C Python Ruby PHP Shell
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README.md

README.md

unsealed-secrets

A guide to public key encryption in multiple languages.

Remember to create your own keys when using the examples, see _shared/create_new_key_pair.sh for help or just run it.

While use public encryption will create seemingly random and different output each time you use it, you still need to protect against unauthorized reusage of a valid and authorized request. My suggestion is to add a timestamp to every request and validate that timestamp against the current time.

All examples will take an arbitrary string and convert into a json string with a payload and token key both with the base64 encoded bytes from the encryption.

PHP

php -f php/encode.php _shared/payload.json sealed.json
php -f php/decode.php sealed.json

Python

python python/encode.py _shared/payload.json sealed.json
python python/decode.py sealed.json

Ruby

ruby ruby/encode.rb _shared/payload.json sealed.json
ruby ruby/decode.rb sealed.json

Android

Run/See the ExampleTest unit tests.

iOS

Prepare the project by installing pods

pod install

Open the workspace and run/see the unit tests.

C# / Mono

mcs csharp/encode.cs && mono csharp/encode.exe _shared/payload.json sealed.json
mcs /reference:System.Web.Extensions.dll csharp/decode.cs && mono csharp/decode.exe sealed.json