org.eurekaclinical.cas.authentication.handler.MD5PasswordEncoder Maven / Gradle / Ivy

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A library that implements Eureka's "local" account authentication.

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package org.eurekaclinical.cas.authentication.handler;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import org.jasig.cas.authentication.handler.PasswordEncoder;

/**
 * Encodes the given password using MD5 + Hex encoding to match the I2B2
 * password encoding mechanism.
 *
 * @author hrathod
 *
 */
public class MD5PasswordEncoder implements PasswordEncoder {

    @Override
    public String encode(String inPassword) {
        StringBuilder hexBuilder = new StringBuilder();
        try {
            MessageDigest digest = MessageDigest.getInstance("MD5");
            digest.update(inPassword.getBytes());
            for (byte b : digest.digest()) {
                hexBuilder.append(Integer.toHexString(b & 0x00FF));
            }
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e);
        }
        return hexBuilder.toString();
    }

}