com.baidubce.services.iothisk.device.crypto

Class HashCrypto

java.lang.Object

com.baidubce.services.iothisk.device.crypto.HashCrypto

public class HashCrypto
extends Object

Provides hash crypto operations

Constructor Summary

Constructors

Constructor and Description
HashCrypto()

Method Summary

Modifier and Type	Method and Description
static byte[]	hmacSha256(byte[] data, byte[] keyBytes) HMAC_SHA56 hash function
static byte[]	pbkdf2WithHmacSha256(byte[] password, byte[] salt, int iteration) PBKDF2(Password-Based Key Derivation Function) with hmac sha256 key derivation function.

Methods inherited from class java.lang.Object

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

Constructor Detail

HashCrypto

public HashCrypto()

Method Detail

hmacSha256

public static byte[] hmacSha256(byte[] data,
                                byte[] keyBytes)
                         throws Exception

HMAC_SHA56 hash function

Parameters:

data - specified message data in byte array

keyBytes - specified key in byte array

Returns:

hash data in byte array

Throws:

Exception - NoSuchAlgorithmException, InvalidKeyException, IllegalStateException, IllegalArgumentException

pbkdf2WithHmacSha256

public static byte[] pbkdf2WithHmacSha256(byte[] password,
                                          byte[] salt,
                                          int iteration)

PBKDF2(Password-Based Key Derivation Function) with hmac sha256 key derivation function.

Parameters:

password - specified password in byte array

salt - specified salt in byte array

iteration - iteration counter

Returns:

derived key in byte array