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package utils;

import java.util.HashMap;

/**
 *
 * @author TuoiCM
 */
public class SignatureAlgorithm {

    private static final HashMap<String, String> sigAlg = new HashMap<>();

    public static final String DEFAULT_SIG_ALGO = "SHA256withECDSA";

    static {
        sigAlg.put("sha1withecdsa", "SHA1withECDSA");
        sigAlg.put("sha224withecdsa", "SHA224withECDSA");
        sigAlg.put("sha256withecdsa", "SHA256withECDSA");
        sigAlg.put("sha384withecdsa", "SHA384withECDSA");
        sigAlg.put("sha512withecdsa", "SHA512withECDSA");
    }

    public static String getSignatureAlgorithm(String sigAlg) {
        return SignatureAlgorithm.sigAlg.get(sigAlg.toLowerCase());
    }

    public static String getHashAlgorithm(String sigAlg) {
        return SignatureAlgorithm.sigAlg.get(sigAlg.toLowerCase()).split("with")[0];
    }
}