Package com.google.crypto.tink.subtle

Class Ed25519Verify

java.lang.Object

com.google.crypto.tink.subtle.Ed25519Verify

All Implemented Interfaces:

PublicKeyVerify

@Immutable
public final class Ed25519Verify
extends java.lang.Object
implements PublicKeyVerify

Ed25519 verifying.

The first call to this function may take longer, because Ed25519Constants needs to be initialized.

Usage

 // get the publicKey from the other party.
 Ed25519Verify verifier = new Ed25519Verify(publicKey);
 try {
   verifier.verify(signature, message);
 } catch (GeneralSecurityException e) {
   // all the rest of security exceptions.
 }
 

Since:

1.1.0

Field Summary

Fields

Modifier and Type	Field	Description
static TinkFipsUtil.AlgorithmFipsCompatibility	FIPS
static int	PUBLIC_KEY_LEN
static int	SIGNATURE_LEN

Constructor Summary

Constructors

Constructor	Description
Ed25519Verify(byte[] publicKey)

Method Summary

Modifier and Type	Method	Description
static PublicKeyVerify	create(Ed25519PublicKey key)
void	verify(byte[] signature, byte[] data)	Verifies whether signature is a valid signature for data.

Methods inherited from class java.lang.Object

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

Field Detail

FIPS

public static final TinkFipsUtil.AlgorithmFipsCompatibility FIPS

PUBLIC_KEY_LEN

public static final int PUBLIC_KEY_LEN

See Also:

Constant Field Values

SIGNATURE_LEN

public static final int SIGNATURE_LEN

See Also:

Constant Field Values

Constructor Detail

Ed25519Verify

public Ed25519Verify(byte[] publicKey)

Method Detail

create

public static PublicKeyVerify create(Ed25519PublicKey key)
                              throws java.security.GeneralSecurityException

Throws:

java.security.GeneralSecurityException

verify

public void verify(byte[] signature,
                   byte[] data)
            throws java.security.GeneralSecurityException

Description copied from interface: PublicKeyVerify

Verifies whether signature is a valid signature for data.

Specified by:

verify in interface PublicKeyVerify

Throws:

java.security.GeneralSecurityException - if signature is not a valid signature for data