package com.agiletec.plugins.jpuserreg.aps.system.services.userreg.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.apache.commons.codec.binary.Hex;
public class ShaEncoder {
public static String encodePassword(String password) throws NoSuchAlgorithmException {
if (password != null) {
MessageDigest digest = MessageDigest.getInstance("SHA");
digest.update(password.getBytes());
byte bytes[] = digest.digest();
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < bytes.length; i++) {
int b = bytes[i] & 0xff;
if (b < 16) {
buffer.append("0");
}
buffer.append(Integer.toHexString(b));
}
password = buffer.toString();
}
return password;
}
public static String encodePassword(String password, String salt) throws NoSuchAlgorithmException {
String saltedPass = mergePasswordAndSalt(password, salt, false);
MessageDigest messageDigest = MessageDigest.getInstance("SHA");
byte[] digest = messageDigest.digest(saltedPass.getBytes());
return new String(Hex.encodeHex(digest));
}
protected static String mergePasswordAndSalt(String password, Object salt, boolean strict) {
if (password == null) {
password = "";
}
if (strict && (salt != null)) {
if ((salt.toString().lastIndexOf("{") != -1) || (salt.toString().lastIndexOf("}") != -1)) {
throw new IllegalArgumentException("Cannot use { or } in salt.toString()");
}
}
if ((salt == null) || "".equals(salt)) {
return password;
} else {
return password + "{" + salt.toString() + "}";
}
}
}