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org.bouncycastle.crypto.fips

pack-priv Class DSAOutputSigner<T extends Parameters>

extends FipsOutputSignerUsingSecureRandom<T extends Parameters>
Class Inheritance
Imports
java.io.IOException, java.math.BigInteger, java.security.SecureRandom, org.bouncycastle.asn1.ASN1EncodableVector, .ASN1Encoding, .ASN1Integer, .DERSequence, org.bouncycastle.crypto.OperatorNotReadyException, .Parameters, .PlainInputProcessingException, .UpdateOutputStream, org.bouncycastle.crypto.internal.DSA, .Digest, org.bouncycastle.crypto.internal.io.DigestOutputStream

Nested and Inner Type Summary

Modifier and TypeClass and Description
pack-priv static interface
DSAOutputSigner.Initializer

Field Summary

Modifier and TypeField and Description
private final Digest
digest

private final DSA
dsa

private final DSAOutputSigner.Initializer
initializer

private final T
parameter

private final boolean
ready

Constructor Summary

AccessConstructor and Description
pack-priv
DSAOutputSigner(DSA dsa, Digest digest, T parameter, DSAOutputSigner.Initializer initializer)

pack-priv
DSAOutputSigner(boolean ready, DSA dsa, Digest digest, T parameter, DSAOutputSigner.Initializer initializer)

Method Summary

Modifier and TypeMethod and Description
private byte[]
encode(BigInteger[] rs)

public T
getParameters()

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSignerUsingSecureRandom.getParameters.

Implements org.bouncycastle.crypto.OutputSigner.getParameters.

Return the parameters for this output signer.
public byte[]
getSignature()

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSignerUsingSecureRandom.getSignature.

Implements org.bouncycastle.crypto.OutputSigner.getSignature.

Return the signature calculated on what has been written to the calculator's output stream.
public int
getSignature(byte[]
output array to write the signature to.
output, int
offset to start writing the signature at.
off)

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSigner.getSignature.

Implements org.bouncycastle.crypto.OutputSigner.getSignature.

Output the signature value for what has been written to the signer's output stream.
public UpdateOutputStream
getSigningStream()

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSignerUsingSecureRandom.getSigningStream.

Implements org.bouncycastle.crypto.OutputSigner.getSigningStream.

Returns a stream that will accept data for the purpose of calculating a signature.
public DSAOutputSigner<T>
withSecureRandom(SecureRandom
the SecureRandom to use.
random)

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSignerUsingSecureRandom.withSecureRandom.

Implements org.bouncycastle.crypto.OutputSignerUsingSecureRandom.withSecureRandom.

Return a variant of this signer using the passed in random as its source of randomness.

Field Detail

digestback to summary
private final Digest digest
dsaback to summary
private final DSA dsa
initializerback to summary
private final DSAOutputSigner.Initializer initializer
parameterback to summary
private final T parameter
readyback to summary
private final boolean ready

Constructor Detail

DSAOutputSignerback to summary
pack-priv DSAOutputSigner(DSA dsa, Digest digest, T parameter, DSAOutputSigner.Initializer initializer)
DSAOutputSignerback to summary
pack-priv DSAOutputSigner(boolean ready, DSA dsa, Digest digest, T parameter, DSAOutputSigner.Initializer initializer)

Method Detail

encodeback to summary
private byte[] encode(BigInteger[] rs) throws IOException
getParametersback to summary
public T getParameters()

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSignerUsingSecureRandom.getParameters.

Implements org.bouncycastle.crypto.OutputSigner.getParameters.

Doc from org.bouncycastle.crypto.OutputSigner.getParameters.

Return the parameters for this output signer.

Returns:T

the signer's parameters.

Annotations
@Override
getSignatureback to summary
public byte[] getSignature() throws PlainInputProcessingException

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSignerUsingSecureRandom.getSignature.

Implements org.bouncycastle.crypto.OutputSigner.getSignature.

Doc from org.bouncycastle.crypto.OutputSigner.getSignature.

Return the signature calculated on what has been written to the calculator's output stream.

Returns:byte[]

a signature.

Annotations
@Override
Exceptions
PlainInputProcessingException:
if the input provided cannot be processed.
getSignatureback to summary
public int getSignature(byte[] output, int off) throws PlainInputProcessingException

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSigner.getSignature.

Implements org.bouncycastle.crypto.OutputSigner.getSignature.

Doc from org.bouncycastle.crypto.OutputSigner.getSignature.

Output the signature value for what has been written to the signer's output stream.

Parameters
output:byte[]

output array to write the signature to.

off:int

offset to start writing the signature at.

Returns:int

the number of bytes output.

Exceptions
PlainInputProcessingException:
if the input provided cannot be processed.
getSigningStreamback to summary
public UpdateOutputStream getSigningStream()

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSignerUsingSecureRandom.getSigningStream.

Implements org.bouncycastle.crypto.OutputSigner.getSigningStream.

Doc from org.bouncycastle.crypto.OutputSigner.getSigningStream.

Returns a stream that will accept data for the purpose of calculating a signature. Use org.bouncycastle.util.io.TeeOutputStream if you want to accumulate the data on the fly as well.

Returns:UpdateOutputStream

an UpdateOutputStream

Annotations
@Override
withSecureRandomback to summary
public DSAOutputSigner<T> withSecureRandom(SecureRandom random)

Implements abstract org.bouncycastle.crypto.fips.FipsOutputSignerUsingSecureRandom.withSecureRandom.

Implements org.bouncycastle.crypto.OutputSignerUsingSecureRandom.withSecureRandom.

Doc from org.bouncycastle.crypto.OutputSignerUsingSecureRandom.withSecureRandom.

Return a variant of this signer using the passed in random as its source of randomness.

Parameters
random:SecureRandom

the SecureRandom to use.

Returns:DSAOutputSigner<T>

a signer which will use random where random data is required.

org.bouncycastle.crypto.fips back to summary

pack-priv Interface DSAOutputSigner.Initializer

Method Summary

Modifier and TypeMethod and Description
public void
initialize(DSA signer, SecureRandom random)

Method Detail

initializeback to summary
public void initialize(DSA signer, SecureRandom random)