com.virgilsecurity.sdk.crypto

Class Signer

java.lang.Object

com.virgilsecurity.sdk.crypto.Signer

All Implemented Interfaces:

AutoCloseable

public class Signer
extends Object
implements AutoCloseable

Wrapper on VirgilSigner.

Author:

Andrii Iakovenko

Constructor Summary

Constructors

Constructor and Description
Signer() Create new instance.
Signer(VirgilHash hash) Create new version.

Method Summary

Modifier and Type	Method and Description
void	close()
byte[]	sign(byte[] data, PrivateKey privateKey) Sign data with private key.
byte[]	sign(byte[] data, PrivateKey privateKey, Password privateKeyPassword) Sign data with private key protected with password.
boolean	verify(byte[] data, byte[] sign, PublicKey publicKey) Verify data with signature.

Methods inherited from class java.lang.Object

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

Constructor Detail

Signer

public Signer()

Create new instance.

Signer

public Signer(VirgilHash hash)

Create new version.

Parameters:

hash -

Method Detail

sign

public byte[] sign(byte[] data,
                   PrivateKey privateKey)

Sign data with private key.

Parameters:

data - the data to be signed.

privateKey - the private key.

Returns:

signed data.

See Also:

PrivateKey

sign

public byte[] sign(byte[] data,
                   PrivateKey privateKey,
                   Password privateKeyPassword)

Sign data with private key protected with password.

Parameters:

data - the data to be signed.

privateKey - the private key.

privateKeyPassword - the private key password.

Returns:

signed data.

See Also:

PrivateKey, Password

verify

public boolean verify(byte[] data,
                      byte[] sign,
                      PublicKey publicKey)

Verify data with signature.

Parameters:

data - the data to be verified.

sign - the data signature.

publicKey - the public key.

Returns:

true if verification successes.

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception