Bouncy Castle Cryptography Library 1.77.0

org.bouncycastle.crypto.signers
Class Ed25519ctxSigner

java.lang.Object
  |
  +--org.bouncycastle.crypto.signers.Ed25519ctxSigner
All Implemented Interfaces:
Signer

public class Ed25519ctxSigner
extends java.lang.Object
implements Signer


Constructor Summary
Ed25519ctxSigner(byte[] context)
           
 
Method Summary
 byte[] generateSignature()
          generate a signature for the message we've been loaded with using the key we were initialised with.
 void init(boolean forSigning, CipherParameters parameters)
          Initialise the signer for signing or verification.
 void reset()
          reset the internal state
 void update(byte b)
          update the internal digest with the byte b
 void update(byte[] buf, int off, int len)
          update the internal digest with the byte array in
 boolean verifySignature(byte[] signature)
          return true if the internal state represents the signature described in the passed in array.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Ed25519ctxSigner

public Ed25519ctxSigner(byte[] context)
Method Detail

init

public void init(boolean forSigning,
                 CipherParameters parameters)
Description copied from interface: Signer
Initialise the signer for signing or verification.
Specified by:
init in interface Signer
Following copied from interface: org.bouncycastle.crypto.Signer
Parameters:
forSigning - true if for signing, false otherwise
param - necessary parameters.

update

public void update(byte b)
Description copied from interface: Signer
update the internal digest with the byte b
Specified by:
update in interface Signer

update

public void update(byte[] buf,
                   int off,
                   int len)
Description copied from interface: Signer
update the internal digest with the byte array in
Specified by:
update in interface Signer

generateSignature

public byte[] generateSignature()
Description copied from interface: Signer
generate a signature for the message we've been loaded with using the key we were initialised with.
Specified by:
generateSignature in interface Signer

verifySignature

public boolean verifySignature(byte[] signature)
Description copied from interface: Signer
return true if the internal state represents the signature described in the passed in array.
Specified by:
verifySignature in interface Signer

reset

public void reset()
Description copied from interface: Signer
reset the internal state
Specified by:
reset in interface Signer

Bouncy Castle Cryptography Library 1.77.0