com.amazonaws.mobileconnectors.cognitoidentityprovider.util

Class CognitoDeviceHelper.deviceSRP

java.lang.Object

com.amazonaws.mobileconnectors.cognitoidentityprovider.util.CognitoDeviceHelper.deviceSRP

Enclosing class:

CognitoDeviceHelper

public static class CognitoDeviceHelper.deviceSRP
extends Object

Static class for SRP related calculations for devices.

Constructor Summary

Constructors

Constructor and Description
deviceSRP(String deviceGroupKey, String deviceKey, String password) Helps to start the SRP validation of the device.

Method Summary

Modifier and Type	Method and Description
static void	begin() Start byte digest for SRP.
static byte[]	end() Complete digest.
BigInteger	getSalt()
BigInteger	getVerifier() Returns the generated verifier.
static void	update(BigInteger... bigInts) Adds a series of BigIntegers to the digest.
static void	update(BigInteger n) Adds a BigInteger to the digest.
static void	update(byte[] b) Adds a byte array to the digest.
static void	update(ByteBuffer b) Adds the contents of a byte-buffer to the digest.
static void	update(String... strings) Adds a series of strings to the digest.
static void	update(String s) Adds a string to the digest.

Methods inherited from class java.lang.Object

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

Constructor Detail

deviceSRP

public deviceSRP(String deviceGroupKey,
                 String deviceKey,
                 String password)

Helps to start the SRP validation of the device.

Parameters:

deviceGroupKey - REQUIRED: Group assigned to the device.

deviceKey - REQUIRED: Unique identifier assigned to the device.

password - REQUIRED: The device password.

Method Detail

getSalt

public BigInteger getSalt()

Returns:

Salt used for SRP.

getVerifier

public BigInteger getVerifier()

Returns the generated verifier.

Returns:

verifier.

begin

public static void begin()

Start byte digest for SRP.

end

public static byte[] end()

Complete digest.

Returns:

the digest as a byte array.

update

public static void update(String... strings)

Adds a series of strings to the digest.

Parameters:

strings - REQUIRED: Strings to add.

update

public static void update(String s)

Adds a string to the digest.

Parameters:

s - REQUIRED: String to add.

update

public static void update(BigInteger... bigInts)

Adds a series of BigIntegers to the digest.

Parameters:

bigInts - REQUIRED: Numbers to add.

update

public static void update(BigInteger n)

Adds a BigInteger to the digest.

Parameters:

n - REQUIRED: The number to add.

update

public static void update(ByteBuffer b)

Adds the contents of a byte-buffer to the digest.

Parameters:

b - REQUIRED: bytes to add.

update

public static void update(byte[] b)

Adds a byte array to the digest.

Parameters:

b - REQUIRED: bytes to add.