com.uid2.shared.secret.SecureKeyGenerator Maven / Gradle / Ivy

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package com.uid2.shared.secret;

import com.uid2.shared.Utils;

import java.security.SecureRandom;

public class SecureKeyGenerator implements IKeyGenerator {
    @Override
    public byte[] generateRandomKey(int keyLen) {
        final SecureRandom random = new SecureRandom();
        final byte[] bytes = new byte[keyLen];
        random.nextBytes(bytes);
        return bytes;
    }

    @Override
    public String generateRandomKeyString(int keyLen) {
        return Utils.toBase64String(generateRandomKey(keyLen));
    }

    @Override
    public String generateFormattedKeyString(int keyLen) {
        String key = this.generateRandomKeyString(keyLen);
        if (key.length() < 6) {
            return key;
        }
        return new StringBuilder(key).insert(6, ".").toString();
    }
}