io.macronova.kafka.common.serialization

Class GenerateSignatureSerializer

java.lang.Object

io.macronova.kafka.common.serialization.GenerateSignatureSerializer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.kafka.common.serialization.Serializer<byte[]>

public class GenerateSignatureSerializer
extends java.lang.Object
implements org.apache.kafka.common.serialization.Serializer<byte[]>

Sign data with private key (typically RSA or DSA) loaded from keystore. Serializer prepends signature to data byte array.

Example configuration:

 algorithm = SHA256withRSA
 key.store.path = /tmp/keystore.jks
 key.store.password = changeit
 key.store.alias = key1
 key.store.alias.password = donotchange
 

Output byte array format:

 +------------------+
 | signature | data |
 +------------------+
 

Constructor Summary

Constructors

Constructor and Description
GenerateSignatureSerializer()

Method Summary

Modifier and Type	Method and Description
void	close()
void	configure(java.util.Map<java.lang.String,?> configs, boolean isKey)
byte[]	serialize(java.lang.String topic, byte[] data)

Methods inherited from class java.lang.Object

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

Constructor Detail

GenerateSignatureSerializer

public GenerateSignatureSerializer()

Method Detail

configure

public void configure(java.util.Map<java.lang.String,?> configs,
                      boolean isKey)

Specified by:

configure in interface org.apache.kafka.common.serialization.Serializer<byte[]>

serialize

public byte[] serialize(java.lang.String topic,
                        byte[] data)

Specified by:

serialize in interface org.apache.kafka.common.serialization.Serializer<byte[]>

close

public void close()

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface org.apache.kafka.common.serialization.Serializer<byte[]>