Package org.bouncycastle.crypto.signers
Class RandomDSAKCalculator
- java.lang.Object
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- org.bouncycastle.crypto.signers.RandomDSAKCalculator
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- All Implemented Interfaces:
DSAKCalculator
public class RandomDSAKCalculator extends java.lang.Object implements DSAKCalculator
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Constructor Summary
Constructors Constructor Description RandomDSAKCalculator()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
init(java.math.BigInteger n, java.math.BigInteger d, byte[] message)
Deterministic initialiser.void
init(java.math.BigInteger n, java.security.SecureRandom random)
Non-deterministic initialiser.boolean
isDeterministic()
Return true if this calculator is deterministic, false otherwise.java.math.BigInteger
nextK()
Return the next valid value of K.
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Method Detail
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isDeterministic
public boolean isDeterministic()
Description copied from interface:DSAKCalculator
Return true if this calculator is deterministic, false otherwise.- Specified by:
isDeterministic
in interfaceDSAKCalculator
- Returns:
- true if deterministic, otherwise false.
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init
public void init(java.math.BigInteger n, java.security.SecureRandom random)
Description copied from interface:DSAKCalculator
Non-deterministic initialiser.- Specified by:
init
in interfaceDSAKCalculator
- Parameters:
n
- the order of the DSA group.random
- a source of randomness.
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init
public void init(java.math.BigInteger n, java.math.BigInteger d, byte[] message)
Description copied from interface:DSAKCalculator
Deterministic initialiser.- Specified by:
init
in interfaceDSAKCalculator
- Parameters:
n
- the order of the DSA group.d
- the DSA private value.message
- the message being signed.
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nextK
public java.math.BigInteger nextK()
Description copied from interface:DSAKCalculator
Return the next valid value of K.- Specified by:
nextK
in interfaceDSAKCalculator
- Returns:
- a K value.
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