com.virgilsecurity.crypto

Class VirgilStreamSigner

java.lang.Object

com.virgilsecurity.crypto.VirgilStreamSigner

All Implemented Interfaces:

AutoCloseable

public class VirgilStreamSigner
extends Object
implements AutoCloseable

This class provides high-level interface to sign and verify data using Virgil Security keys.

This module can sign / verify data provided by stream.

Author:

Andrii Iakovenko

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	swigCMemOwn

Constructor Summary

Constructors

Modifier	Constructor and Description
	VirgilStreamSigner() Create a new instance of VirgilStreamSigner
protected	VirgilStreamSigner(long cPtr, boolean cMemoryOwn)
	VirgilStreamSigner(VirgilHash.Algorithm hashAlgorithm) Create a new instance of VirgilStreamSigner

Method Summary

Modifier and Type	Method and Description
void	close()
void	delete()
protected void	finalize()
protected static long	getCPtr(VirgilStreamSigner obj)
byte[]	sign(VirgilDataSource source, byte[] privateKey) Sign data provided by the source with given private key.
byte[]	sign(VirgilDataSource source, byte[] privateKey, byte[] privateKeyPassword) Sign data provided by the source with given private key.
boolean	verify(VirgilDataSource source, byte[] sign, byte[] publicKey) Verify sign and data provided by the source to be conformed to the given public key.

Methods inherited from class java.lang.Object

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

Field Detail

swigCMemOwn

protected transient boolean swigCMemOwn

Constructor Detail

VirgilStreamSigner

protected VirgilStreamSigner(long cPtr,
                             boolean cMemoryOwn)

VirgilStreamSigner

public VirgilStreamSigner(VirgilHash.Algorithm hashAlgorithm)

Create a new instance of VirgilStreamSigner

Parameters:

hashAlgorithm - the hash algorithm.

VirgilStreamSigner

public VirgilStreamSigner()

Create a new instance of VirgilStreamSigner

Method Detail

getCPtr

protected static long getCPtr(VirgilStreamSigner obj)

finalize

protected void finalize()

Overrides:

finalize in class Object

delete

public void delete()

close

public void close()

Specified by:

close in interface AutoCloseable

sign

public byte[] sign(VirgilDataSource source,
                   byte[] privateKey,
                   byte[] privateKeyPassword)

Sign data provided by the source with given private key.

Parameters:

source - source of the data to be signed.

privateKey - the private key protected with password.

privateKeyPassword - the private key password.

Returns:

Virgil Security sign.

sign

public byte[] sign(VirgilDataSource source,
                   byte[] privateKey)

Sign data provided by the source with given private key.

Parameters:

source - source of the data to be signed.

privateKey - the private key.

Returns:

Virgil Security sign.

verify

public boolean verify(VirgilDataSource source,
                      byte[] sign,
                      byte[] publicKey)

Verify sign and data provided by the source to be conformed to the given public key.

Parameters:

source - source of the data to be verified.

sign - the signature.

publicKey - the public key.

Returns:

true if sign is valid and data was not malformed.