Package com.stripe.net

Class Webhook.Util

java.lang.Object

com.stripe.net.Webhook.Util

Enclosing class:

Webhook

public static final class Webhook.Util
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
Util()

Method Summary

Modifier and Type	Method	Description
static java.lang.String	computeHmacSha256(java.lang.String key, java.lang.String message)	Computes the HMAC/SHA-256 code for a given key and message.
static long	getTimeNow()	Returns the current UTC timestamp in seconds.
static boolean	secureCompare(java.lang.String a, java.lang.String b)	Compares two strings for equality.

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

computeHmacSha256

public static java.lang.String computeHmacSha256(java.lang.String key,
                                                 java.lang.String message)
                                          throws java.security.NoSuchAlgorithmException,
                                                 java.security.InvalidKeyException

Computes the HMAC/SHA-256 code for a given key and message.

Parameters:

key - the key used to generate the code.

message - the message.

Returns:

the code as a string.

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

secureCompare

public static boolean secureCompare(java.lang.String a,
                                    java.lang.String b)

Compares two strings for equality. The time taken is independent of the number of characters that match.

Parameters:

a - one of the strings to compare.

b - the other string to compare.

Returns:

true if the strings are equal, false otherwise.

getTimeNow

public static long getTimeNow()

Returns the current UTC timestamp in seconds.

Returns:

the timestamp as a long.