Package org.bouncycastle.crypto.signers
Class DSADigestSigner
- java.lang.Object
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- org.bouncycastle.crypto.signers.DSADigestSigner
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Constructor Summary
Constructors Constructor Description DSADigestSigner(DSA signer, Digest digest)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description byte[]
generateSignature()
Generate a signature for the message we've been loaded with using the key we were initialised with.void
init(boolean forSigning, CipherParameters parameters)
Initialise the signer for signing or verification.void
reset()
reset the internal statevoid
update(byte input)
update the internal digest with the byte bvoid
update(byte[] input, int inOff, int length)
update the internal digest with the byte array inboolean
verifySignature(byte[] signature)
return true if the internal state represents the signature described in the passed in array.
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Method Detail
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init
public void init(boolean forSigning, CipherParameters parameters)
Description copied from interface:Signer
Initialise the signer for signing or verification.
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update
public void update(byte input)
update the internal digest with the byte b
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update
public void update(byte[] input, int inOff, int length)
update the internal digest with the byte array in
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generateSignature
public byte[] generateSignature()
Generate a signature for the message we've been loaded with using the key we were initialised with.- Specified by:
generateSignature
in interfaceSigner
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verifySignature
public boolean verifySignature(byte[] signature)
Description copied from interface:Signer
return true if the internal state represents the signature described in the passed in array.- Specified by:
verifySignature
in interfaceSigner
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