Package com.cybersource.authsdk.http

Class SignatureGenerator

java.lang.Object

com.cybersource.authsdk.http.SignatureGenerator

public class SignatureGenerator
extends Object

Module to generate digital signature which is then passed to signature header parameter

The signature is created from the following values and then signed with Secret Key

host - Sandbox (apitest.cybersource.com) or Production (api.cybersource.com) hostname

date - HTTP-date with format as defined by RFC7231

request-target - Should be in format of httpMethod: path

                 Example : post /pts/v2/payments
 

Digest - Only needed for POST calls

v-c-merchant-id - Cybersource Merchant ID found on EBC portal

Constructor Summary

Constructors

Constructor	Description
SignatureGenerator(MerchantConfig merchantConfig)

Method Summary

Modifier and Type	Method	Description
String	getRequestTarget(String requestType)
String	signatureGeneration()

Methods inherited from class java.lang.Object

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

Constructor Details

SignatureGenerator

public SignatureGenerator(MerchantConfig merchantConfig)
                   throws InvalidKeyException,
NoSuchAlgorithmException,
ConfigException

Parameters:

merchantConfig - -contains all information of merchant.

Throws:

InvalidKeyException - - if key is not valid.

NoSuchAlgorithmException - - if algorithm is not available.

ConfigException

Method Details

signatureGeneration

public String signatureGeneration()
                           throws NoSuchAlgorithmException,
InvalidKeyException

Returns:

generated signature.

Throws:

NoSuchAlgorithmException - - if algorithm is not available.

InvalidKeyException - - if key is not valid.

getRequestTarget

public String getRequestTarget(String requestType)

Parameters:

requestType - - GET/PUT/POST/PATCH/DELETE

Returns:

request target as per request type.