com.paytm.pg.merchant

Class PaytmChecksum

java.lang.Object

com.paytm.pg.merchant.PaytmChecksum

public class PaytmChecksum
extends Object

Constructor Summary

Constructors

Constructor and Description
PaytmChecksum()

Method Summary

Modifier and Type	Method and Description
static String	decrypt(String input, String key)
static String	encrypt(String input, String key)
static String	generateSignature(String params, String key)
static String	generateSignature(TreeMap<String,String> params, String key)
static boolean	verifySignature(String params, String key, String checksum)
static boolean	verifySignature(TreeMap<String,String> params, String key, String checksum)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PaytmChecksum

public PaytmChecksum()

Method Detail

encrypt

public static String encrypt(String input,
                             String key)
                      throws NoSuchPaddingException,
                             NoSuchAlgorithmException,
                             NoSuchProviderException,
                             InvalidAlgorithmParameterException,
                             InvalidKeyException,
                             BadPaddingException,
                             IllegalBlockSizeException

Throws:

NoSuchPaddingException

NoSuchAlgorithmException

NoSuchProviderException

InvalidAlgorithmParameterException

InvalidKeyException

BadPaddingException

IllegalBlockSizeException

decrypt

public static String decrypt(String input,
                             String key)
                      throws InvalidAlgorithmParameterException,
                             InvalidKeyException,
                             NoSuchPaddingException,
                             NoSuchAlgorithmException,
                             NoSuchProviderException,
                             IOException,
                             BadPaddingException,
                             IllegalBlockSizeException

Throws:

InvalidAlgorithmParameterException

InvalidKeyException

NoSuchPaddingException

NoSuchAlgorithmException

NoSuchProviderException

IOException

BadPaddingException

IllegalBlockSizeException

generateSignature

public static String generateSignature(TreeMap<String,String> params,
                                       String key)
                                throws Exception

Throws:

Exception

generateSignature

public static String generateSignature(String params,
                                       String key)
                                throws Exception

Throws:

Exception

verifySignature

public static boolean verifySignature(TreeMap<String,String> params,
                                      String key,
                                      String checksum)
                               throws Exception

Throws:

Exception

verifySignature

public static boolean verifySignature(String params,
                                      String key,
                                      String checksum)
                               throws Exception

Throws:

Exception