Bouncy Castle Cryptography Library 1.49

org.bouncycastle.pqc.crypto.ntru
Class NTRUSigningPrivateKeyParameters

java.lang.Object
  extended by org.bouncycastle.crypto.params.AsymmetricKeyParameter
      extended by org.bouncycastle.pqc.crypto.ntru.NTRUSigningPrivateKeyParameters
All Implemented Interfaces:
CipherParameters

public class NTRUSigningPrivateKeyParameters
extends AsymmetricKeyParameter

A NtruSign private key comprises one or more NTRUSigningPrivateKeyParameters.Basis of three polynomials each, except the zeroth basis for which h is undefined.


Nested Class Summary
static class NTRUSigningPrivateKeyParameters.Basis
          A NtruSign basis.
 
Constructor Summary
NTRUSigningPrivateKeyParameters(byte[] b, NTRUSigningKeyGenerationParameters params)
          Constructs a new private key from a byte array
NTRUSigningPrivateKeyParameters(java.io.InputStream is, NTRUSigningKeyGenerationParameters params)
          Constructs a new private key from an input stream
NTRUSigningPrivateKeyParameters(java.util.List<NTRUSigningPrivateKeyParameters.Basis> bases, NTRUSigningPublicKeyParameters publicKey)
           
 
Method Summary
 boolean equals(java.lang.Object obj)
           
 NTRUSigningPrivateKeyParameters.Basis getBasis(int i)
          Returns the i-th basis
 byte[] getEncoded()
          Converts the key to a byte array
 NTRUSigningPublicKeyParameters getPublicKey()
           
 int hashCode()
           
 void writeTo(java.io.OutputStream os)
          Writes the key to an output stream
 
Methods inherited from class org.bouncycastle.crypto.params.AsymmetricKeyParameter
isPrivate
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

NTRUSigningPrivateKeyParameters

public NTRUSigningPrivateKeyParameters(byte[] b,
                                       NTRUSigningKeyGenerationParameters params)
                                throws java.io.IOException
Constructs a new private key from a byte array

Parameters:
b - an encoded private key
params - the NtruSign parameters to use
Throws:
java.io.IOException

NTRUSigningPrivateKeyParameters

public NTRUSigningPrivateKeyParameters(java.io.InputStream is,
                                       NTRUSigningKeyGenerationParameters params)
                                throws java.io.IOException
Constructs a new private key from an input stream

Parameters:
is - an input stream
params - the NtruSign parameters to use
Throws:
java.io.IOException

NTRUSigningPrivateKeyParameters

public NTRUSigningPrivateKeyParameters(java.util.List<NTRUSigningPrivateKeyParameters.Basis> bases,
                                       NTRUSigningPublicKeyParameters publicKey)
Method Detail

getBasis

public NTRUSigningPrivateKeyParameters.Basis getBasis(int i)
Returns the i-th basis

Parameters:
i - the index
Returns:
the basis at index i

getPublicKey

public NTRUSigningPublicKeyParameters getPublicKey()

getEncoded

public byte[] getEncoded()
                  throws java.io.IOException
Converts the key to a byte array

Returns:
the encoded key
Throws:
java.io.IOException

writeTo

public void writeTo(java.io.OutputStream os)
             throws java.io.IOException
Writes the key to an output stream

Parameters:
os - an output stream
Throws:
java.io.IOException

hashCode

public int hashCode()
Overrides:
hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)
Overrides:
equals in class java.lang.Object

Bouncy Castle Cryptography Library 1.49