How to Verify any information in the name of ICA.
1. Take the information and put in a text file. Name it "info.ica". If it is any other type of file, rename it to "info.ica".
2. Download/Save the Signature as "unverified.b64.sig".
3. Signature and Information are supposed to be downloaded from same source.
Download the public key from www.indiancyberarmy.org (the only official website). Make sure it is named "ica.pub".
PREREQUISITE: You Need "openssl". Easy to install if its not there in your system.
1. First decode the Base-64 Signature.
openssl enc -base64 -d -in unverified.b64.sig -out unverified.decoded
2. Verify the Information.
openssl dgst -sha256 -verify ica.pub -signature unverified.decoded info.ica
If it is verified Output will be like "Verified OK". Otherwise it will say something like "Verification Failure".
Click Me to download the public key ("ica.pub").
Note:- These steps were made in such a way so even a layman can understand. Feel free to verify your way!