Package org.conscrypt

Class OpenSslSignatureMlDsa

java.lang.Object

java.security.SignatureSpi

org.conscrypt.OpenSslSignatureMlDsa

Direct Known Subclasses:

OpenSslSignatureMlDsa.MlDsa, OpenSslSignatureMlDsa.MlDsa44, OpenSslSignatureMlDsa.MlDsa65, OpenSslSignatureMlDsa.MlDsa87

@Internal
public abstract class OpenSslSignatureMlDsa
extends SignatureSpi

Implements the JDK Signature interface needed for ML-DSA signature generation and verification using BoringSSL.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OpenSslSignatureMlDsa.MlDsa	ML-DSA
static class	OpenSslSignatureMlDsa.MlDsa44	ML-DSA-44
static class	OpenSslSignatureMlDsa.MlDsa65	ML-DSA-65
static class	OpenSslSignatureMlDsa.MlDsa87	ML-DSA-87

Field Summary

Fields

Modifier and Type	Field	Description
private ExposedByteArrayOutputStream	buffer	Buffer to hold value to be signed or verified.
private NativeRef.EVP_MD_CTX	ctx
private OpenSSLKey	key	The current OpenSSL key we're operating on.
private static OpenSslMlDsaKeyFactory	keyFactory

Fields inherited from class java.security.SignatureSpi

appRandom

Constructor Summary

Constructors

Constructor	Description
OpenSslSignatureMlDsa()

Method Summary

Modifier and Type	Method	Description
protected Object	engineGetParameter(String param)
protected void	engineInitSign(PrivateKey privateKey)
protected void	engineInitVerify(PublicKey publicKey)
protected void	engineSetParameter(String param, Object value)
protected byte[]	engineSign()
protected void	engineUpdate(byte input)
protected void	engineUpdate(byte[] input, int offset, int len)
protected boolean	engineVerify(byte[] sigBytes)
(package private) abstract boolean	supportsAlgorithm(MlDsaAlgorithm algorithm)

Methods inherited from class java.security.SignatureSpi

clone, engineGetParameters, engineInitSign, engineSetParameter, engineSign, engineUpdate, engineVerify

Methods inherited from class java.lang.Object

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

Field Details

keyFactory

private static OpenSslMlDsaKeyFactory keyFactory

key

private OpenSSLKey key

The current OpenSSL key we're operating on.

ctx

private NativeRef.EVP_MD_CTX ctx

buffer

private ExposedByteArrayOutputStream buffer

Buffer to hold value to be signed or verified.

Constructor Details

OpenSslSignatureMlDsa

public OpenSslSignatureMlDsa()

Method Details

supportsAlgorithm

abstract boolean supportsAlgorithm(MlDsaAlgorithm algorithm)

engineUpdate

protected void engineUpdate(byte input)

Specified by:

engineUpdate in class SignatureSpi

engineUpdate

protected void engineUpdate(byte[] input,
 int offset,
 int len)

Specified by:

engineUpdate in class SignatureSpi

engineGetParameter

protected Object engineGetParameter(String param)
                             throws InvalidParameterException

Specified by:

engineGetParameter in class SignatureSpi

Throws:

InvalidParameterException

engineInitSign

protected void engineInitSign(PrivateKey privateKey)
                       throws InvalidKeyException

Specified by:

engineInitSign in class SignatureSpi

Throws:

InvalidKeyException

engineInitVerify

protected void engineInitVerify(PublicKey publicKey)
                         throws InvalidKeyException

Specified by:

engineInitVerify in class SignatureSpi

Throws:

InvalidKeyException

engineSetParameter

protected void engineSetParameter(String param,
 Object value)
                           throws InvalidParameterException

Specified by:

engineSetParameter in class SignatureSpi

Throws:

InvalidParameterException

engineSign

protected byte[] engineSign()
                     throws SignatureException

Specified by:

engineSign in class SignatureSpi

Throws:

SignatureException

engineVerify

protected boolean engineVerify(byte[] sigBytes)
                        throws SignatureException

Specified by:

engineVerify in class SignatureSpi

Throws:

SignatureException