Skip to content

Added snippet to generate KeyID for a given input #70

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Added snippet to generate KeyID for a given input #70

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 19 additions & 0 deletions src/test/java/io/token/banksample/GenerateKeyTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,11 +1,14 @@
package io.token.banksample;


import com.google.common.hash.Hashing;
import io.token.security.crypto.Crypto;
import io.token.security.crypto.CryptoRegistry;
import io.token.security.crypto.CryptoType;

import java.security.KeyPair;

import io.token.util.codec.ByteEncoding;
import org.junit.Test;

public class GenerateKeyTest {
Expand All @@ -20,5 +23,21 @@ public void generate() {
System.out.println("public-key: "
+ crypto.serialize(keyPair.getPublic())
+ " // Give to Token so that Token can verify bank auth payloads");

System.out.println("Key-ID for public key:" +keyIdFor(crypto.serialize(keyPair.getPublic())));
System.out.println("Key-ID for Optimus public key:" +keyIdFor("wsBhl2QxdB-Nate9cHtGp93D0U0Y1gMYuycWfozIpnY")); // Generating KeyID For a given input
}


static String keyIdFor(String serializedKey) {
byte[] encoded = ByteEncoding.parse(serializedKey);
byte[] hash = Hashing.sha256().newHasher()
.putBytes(encoded)
.hash()
.asBytes();
return ByteEncoding.serialize(hash).substring(0, 16);
}


}