Package org.conscrypt

Class OpenSSLSignature

java.lang.Object

java.security.SignatureSpi

org.conscrypt.OpenSSLSignature

Direct Known Subclasses:

OpenSSLSignature.RSAPKCS1Padding, OpenSSLSignature.RSAPSSPadding, OpenSSLSignature.SHA1ECDSA, OpenSSLSignature.SHA224ECDSA, OpenSSLSignature.SHA256ECDSA, OpenSSLSignature.SHA384ECDSA, OpenSSLSignature.SHA512ECDSA

@Internal
public class OpenSSLSignature
extends java.security.SignatureSpi

Implements the subset of the JDK Signature interface needed for signature verification using OpenSSL.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	OpenSSLSignature.EngineType
static class	OpenSSLSignature.MD5RSA
(package private) static class	OpenSSLSignature.RSAPKCS1Padding	Base class for RSASSA-PKCS1-v1_5 signatures.
(package private) static class	OpenSSLSignature.RSAPSSPadding	Base class for RSASSA-PSS signatures.
static class	OpenSSLSignature.SHA1ECDSA
static class	OpenSSLSignature.SHA1RSA
static class	OpenSSLSignature.SHA1RSAPSS
static class	OpenSSLSignature.SHA224ECDSA
static class	OpenSSLSignature.SHA224RSA
static class	OpenSSLSignature.SHA224RSAPSS
static class	OpenSSLSignature.SHA256ECDSA
static class	OpenSSLSignature.SHA256RSA
static class	OpenSSLSignature.SHA256RSAPSS
static class	OpenSSLSignature.SHA384ECDSA
static class	OpenSSLSignature.SHA384RSA
static class	OpenSSLSignature.SHA384RSAPSS
static class	OpenSSLSignature.SHA512ECDSA
static class	OpenSSLSignature.SHA512RSA
static class	OpenSSLSignature.SHA512RSAPSS

Field Summary

Fields

Modifier and Type	Field	Description
private NativeRef.EVP_MD_CTX	ctx
private OpenSSLSignature.EngineType	engineType	Holds the type of the Java algorithm.
private long	evpMdRef	Digest algorithm (reference to EVP_MD).
private long	evpPkeyCtx	Public key algorithm context (reference to EVP_PKEY_CTX).
private OpenSSLKey	key	The current OpenSSL key we're operating on.
private boolean	signing	True when engine is initialized to signing.
private byte[]	singleByte	Holds a dummy buffer for writing single bytes to the digest.

Fields inherited from class java.security.SignatureSpi

appRandom

Constructor Summary

Constructors

Modifier	Constructor	Description
private	OpenSSLSignature(long evpMdRef, OpenSSLSignature.EngineType engineType)	Creates a new OpenSSLSignature instance for the given algorithm name.

Method Summary

Modifier and Type	Method	Description
private void	checkEngineType(OpenSSLKey pkey)
protected void	configureEVP_PKEY_CTX(long ctx)	Configures the public key algorithm context (EVP_PKEY_CTX) associated with this operation.
protected java.lang.Object	engineGetParameter(java.lang.String param)	Deprecated.
protected void	engineInitSign(java.security.PrivateKey privateKey)
protected void	engineInitVerify(java.security.PublicKey publicKey)
protected void	engineSetParameter(java.lang.String param, java.lang.Object value)	Deprecated.
protected byte[]	engineSign()
protected void	engineUpdate(byte input)
protected void	engineUpdate(byte[] input, int offset, int len)
protected void	engineUpdate(java.nio.ByteBuffer input)
protected boolean	engineVerify(byte[] sigBytes)
protected long	getEVP_PKEY_CTX()	Returns the public key algorithm context (EVP_PKEY_CTX reference) associated with this operation or 0 if operation hasn't been initialized.
private void	initInternal(OpenSSLKey newKey, boolean signing)
private void	resetContext()

Methods inherited from class java.security.SignatureSpi

clone, engineGetParameters, engineInitSign, engineSetParameter, engineSign, engineVerify

Methods inherited from class java.lang.Object

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

Field Detail

ctx

private NativeRef.EVP_MD_CTX ctx

key

private OpenSSLKey key

The current OpenSSL key we're operating on.

engineType

private final OpenSSLSignature.EngineType engineType

Holds the type of the Java algorithm.

evpMdRef

private final long evpMdRef

Digest algorithm (reference to EVP_MD).

singleByte

private final byte[] singleByte

Holds a dummy buffer for writing single bytes to the digest.

signing

private boolean signing

True when engine is initialized to signing.

evpPkeyCtx

private long evpPkeyCtx

Public key algorithm context (reference to EVP_PKEY_CTX).

Constructor Detail

OpenSSLSignature

private OpenSSLSignature(long evpMdRef,
                         OpenSSLSignature.EngineType engineType)

Creates a new OpenSSLSignature instance for the given algorithm name.

Parameters:

evpMdRef - digest algorithm (EVP_MD reference).

Method Detail

resetContext

private void resetContext()
                   throws java.security.InvalidAlgorithmParameterException

Throws:

java.security.InvalidAlgorithmParameterException

configureEVP_PKEY_CTX

protected void configureEVP_PKEY_CTX(long ctx)
                              throws java.security.InvalidAlgorithmParameterException

Configures the public key algorithm context (EVP_PKEY_CTX) associated with this operation.

The default implementation does nothing.

Parameters:

ctx - reference to the context (EVP_PKEY_CTX).

Throws:

java.security.InvalidAlgorithmParameterException

engineUpdate

protected void engineUpdate(byte input)

Specified by:

engineUpdate in class java.security.SignatureSpi

engineUpdate

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

Specified by:

engineUpdate in class java.security.SignatureSpi

engineUpdate

protected void engineUpdate(java.nio.ByteBuffer input)

Overrides:

engineUpdate in class java.security.SignatureSpi

engineGetParameter

@Deprecated
protected java.lang.Object engineGetParameter(java.lang.String param)
                                       throws java.security.InvalidParameterException

Deprecated.

Specified by:

engineGetParameter in class java.security.SignatureSpi

Throws:

java.security.InvalidParameterException

checkEngineType

private void checkEngineType(OpenSSLKey pkey)
                      throws java.security.InvalidKeyException

Throws:

java.security.InvalidKeyException

initInternal

private void initInternal(OpenSSLKey newKey,
                          boolean signing)
                   throws java.security.InvalidKeyException

Throws:

java.security.InvalidKeyException

engineInitSign

protected void engineInitSign(java.security.PrivateKey privateKey)
                       throws java.security.InvalidKeyException

Specified by:

engineInitSign in class java.security.SignatureSpi

Throws:

java.security.InvalidKeyException

engineInitVerify

protected void engineInitVerify(java.security.PublicKey publicKey)
                         throws java.security.InvalidKeyException

Specified by:

engineInitVerify in class java.security.SignatureSpi

Throws:

java.security.InvalidKeyException

engineSetParameter

@Deprecated
protected void engineSetParameter(java.lang.String param,
                                  java.lang.Object value)
                           throws java.security.InvalidParameterException

Deprecated.

Specified by:

engineSetParameter in class java.security.SignatureSpi

Throws:

java.security.InvalidParameterException

engineSign

protected byte[] engineSign()
                     throws java.security.SignatureException

Specified by:

engineSign in class java.security.SignatureSpi

Throws:

java.security.SignatureException

engineVerify

protected boolean engineVerify(byte[] sigBytes)
                        throws java.security.SignatureException

Specified by:

engineVerify in class java.security.SignatureSpi

Throws:

java.security.SignatureException

getEVP_PKEY_CTX

protected final long getEVP_PKEY_CTX()

Returns the public key algorithm context (EVP_PKEY_CTX reference) associated with this operation or 0 if operation hasn't been initialized.