Package com.syntifi.crypto.key

Class Secp256k1PublicKey

java.lang.Object

com.syntifi.crypto.key.AbstractPublicKey

com.syntifi.crypto.key.Secp256k1PublicKey

public class Secp256k1PublicKey
extends AbstractPublicKey

secp256k1 implementation of AbstractPublicKey

Since:

0.1.0

Constructor Summary

Constructors

Constructor	Description
Secp256k1PublicKey()
Secp256k1PublicKey(byte[] bytes)

Method Summary

Modifier and Type	Method	Description
protected boolean	canEqual(java.lang.Object other)
boolean	equals(java.lang.Object o)
static byte[]	getShortKey(byte[] key)	Gets a short key
int	hashCode()
void	loadPublicKey(byte[] publicKey)	Loads a public key from a byte array
void	readPublicKey(java.io.Reader reader)	Reads the public key from a file
java.lang.Boolean	verify(byte[] message, byte[] signature)	Iterates possible signature combinations and possible recovery id's Casper does not use signature.v so we have to iterate v We don't know v so we have to iterate the possible recover id's Converts to short public key for comparison
void	writePublicKey(java.io.Writer writer)	Writes the public key to a file

Methods inherited from class com.syntifi.crypto.key.AbstractPublicKey

getKey, readPublicKey, setKey, toString, writePublicKey

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Secp256k1PublicKey

public Secp256k1PublicKey(byte[] bytes)

Secp256k1PublicKey

public Secp256k1PublicKey()

Method Detail

loadPublicKey

public void loadPublicKey(byte[] publicKey)
                   throws java.io.IOException

Description copied from class: AbstractPublicKey

Loads a public key from a byte array

Specified by:

loadPublicKey in class AbstractPublicKey

Parameters:

publicKey - the public key bytes

Throws:

java.io.IOException

readPublicKey

public void readPublicKey(java.io.Reader reader)
                   throws java.io.IOException

Description copied from class: AbstractPublicKey

Reads the public key from a file

Specified by:

readPublicKey in class AbstractPublicKey

Parameters:

reader - the source filename

Throws:

java.io.IOException - thrown if an error occurs reading the file

writePublicKey

public void writePublicKey(java.io.Writer writer)
                    throws java.io.IOException

Description copied from class: AbstractPublicKey

Writes the public key to a file

Specified by:

writePublicKey in class AbstractPublicKey

Parameters:

writer - the target to write the public key

Throws:

java.io.IOException - thrown if an error occurs writing the file

verify

public java.lang.Boolean verify(byte[] message,
                                byte[] signature)

Iterates possible signature combinations and possible recovery id's Casper does not use signature.v so we have to iterate v We don't know v so we have to iterate the possible recover id's Converts to short public key for comparison

Specified by:

verify in class AbstractPublicKey

Parameters:

message - the signed message

signature - the signature to check against

Returns:

true|false public key found

getShortKey

public static byte[] getShortKey(byte[] key)

Gets a short key

Parameters:

key - the key as a byte array

Returns:

short key as byte array

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class AbstractPublicKey

canEqual

protected boolean canEqual(java.lang.Object other)

Overrides:

canEqual in class AbstractPublicKey

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractPublicKey