Package org.honton.chas.jca.vault.provider.signature

Class VaultSignature

java.lang.Object

java.security.SignatureSpi

org.honton.chas.jca.vault.provider.signature.VaultSignature

public class VaultSignature
extends SignatureSpi

Field Summary

Fields inherited from class java.security.SignatureSpi

appRandom

Constructor Summary

Constructors

Constructor	Description
VaultSignature(SignatureAlgorithm signatureAlgorithm)

Method Summary

Modifier and Type	Method	Description
protected Object	engineGetParameter(String param)
protected void	engineInitSign(PrivateKey privateKey)	Initializes this signature object with the specified private key for signing operations.
protected void	engineInitVerify(PublicKey publicKey)	Initializes this signature object with the specified public key for verification operations.
protected void	engineSetParameter(String s, Object o)
protected byte[]	engineSign()	Returns the signature bytes of all the data updated so far.
protected void	engineUpdate(byte b)	Updates the data to be signed or verified using the specified byte.
protected void	engineUpdate(byte[] b, int off, int len)	Updates the data to be signed or verified, using the specified array of bytes, starting at the specified offset.
protected boolean	engineVerify(byte[] sigBytes)	Verifies the passed-in signature.
protected VaultApi	getVaultInstance()

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

Constructor Details

VaultSignature

public VaultSignature(SignatureAlgorithm signatureAlgorithm)

Method Details

getVaultInstance

protected VaultApi getVaultInstance()

engineInitVerify

protected void engineInitVerify(PublicKey publicKey)

Initializes this signature object with the specified public key for verification operations.

Specified by:

engineInitVerify in class SignatureSpi

Parameters:

publicKey - the public key of the identity whose signature is going to be verified.

engineInitSign

protected void engineInitSign(PrivateKey privateKey)

Initializes this signature object with the specified private key for signing operations.

Specified by:

engineInitSign in class SignatureSpi

Parameters:

privateKey - the private key of the identity whose signature will be generated. on.

engineUpdate

protected void engineUpdate(byte b)

Updates the data to be signed or verified using the specified byte.

Specified by:

engineUpdate in class SignatureSpi

Parameters:

b - the byte to use for the update.

engineUpdate

protected void engineUpdate(byte[] b,
 int off,
 int len)

Updates the data to be signed or verified, using the specified array of bytes, starting at the specified offset.

Specified by:

engineUpdate in class SignatureSpi

Parameters:

b - the array of bytes

off - the offset to start from in the array of bytes

len - the number of bytes to use, starting at offset

engineSign

protected byte[] engineSign()

Returns the signature bytes of all the data updated so far. The format of the signature depends on the underlying signature scheme.

Specified by:

engineSign in class SignatureSpi

Returns:

the signature bytes of the signing operation's result.

engineVerify

protected boolean engineVerify(byte[] sigBytes)

Verifies the passed-in signature.

Specified by:

engineVerify in class SignatureSpi

Parameters:

sigBytes - the signature bytes to be verified.

Returns:

true if the signature was verified, false if not.

engineSetParameter

protected void engineSetParameter(String s,
 Object o)
                           throws InvalidParameterException

Specified by:

engineSetParameter in class SignatureSpi

Throws:

InvalidParameterException

engineGetParameter

protected Object engineGetParameter(String param)
                             throws InvalidParameterException

Specified by:

engineGetParameter in class SignatureSpi

Throws:

InvalidParameterException