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org.bouncycastle.crypto.hpke

pack-priv Class DHKEM

Class Inheritance

extends Object

java.lang.Object
org.bouncycastle.crypto.hpke.DHKEM

Imports

java.math.BigInteger, java.security.SecureRandom, org.bouncycastle.crypto.AsymmetricCipherKeyPair, .AsymmetricCipherKeyPairGenerator, .BasicAgreement, org.bouncycastle.crypto.agreement.ECDHCBasicAgreement, .XDHBasicAgreement, org.bouncycastle.crypto.generators.ECKeyPairGenerator, .X25519KeyPairGenerator, .X448KeyPairGenerator, org.bouncycastle.crypto.params.AsymmetricKeyParameter, .ECDomainParameters, .ECKeyGenerationParameters, .ECPrivateKeyParameters, .ECPublicKeyParameters, .X25519KeyGenerationParameters, .X25519PrivateKeyParameters, .X25519PublicKeyParameters, .X448KeyGenerationParameters, .X448PrivateKeyParameters, .X448PublicKeyParameters, org.bouncycastle.math.ec.ECCurve, .ECPoint, .FixedPointCombMultiplier, .WNafUtil, org.bouncycastle.math.ec.custom.sec.SecP256R1Curve, .SecP384R1Curve, .SecP521R1Curve, org.bouncycastle.util.Arrays, .Pack, .Strings, org.bouncycastle.util.encoders.Hex

Field Summary

Modifier and Type	Field and Description
private BasicAgreement	agreement
private byte	bitmask
pack-priv ECDomainParameters	domainParams
private HKDF	hkdf
private final short	kemId
private AsymmetricCipherKeyPairGenerator	kpGen
private int	Nsecret
private int	Nsk

Constructor Summary

Access	Constructor and Description
protected	DHKEM(short kemid)

Method Summary

Modifier and Type	Method and Description
protected byte[]	AuthDecap(byte[] enc, AsymmetricCipherKeyPair kpR, AsymmetricKeyParameter pkS)
protected byte[][]	AuthEncap(AsymmetricKeyParameter pkR, AsymmetricCipherKeyPair kpS)
protected byte[]	Decap(byte[] enc, AsymmetricCipherKeyPair kpR)
public AsymmetricCipherKeyPair	DeriveKeyPair(byte[] ikm)
public AsymmetricCipherKeyPair	DeserializePrivateKey(byte[] skEncoded, byte[] pkEncoded)
public AsymmetricKeyParameter	DeserializePublicKey(byte[] encoded)
protected byte[][]	Encap(AsymmetricKeyParameter pkR)
protected byte[][]	Encap(AsymmetricKeyParameter pkR, AsymmetricCipherKeyPair kpE)
private byte[]	ExtractAndExpand(byte[] dh, byte[] kemContext)
private byte[]	formatBigIntegerBytes(byte[] bigIntBytes, int outputSize)
public AsymmetricCipherKeyPair	GeneratePrivateKey()
public byte[]	SerializePrivateKey(AsymmetricKeyParameter key)
public byte[]	SerializePublicKey(AsymmetricKeyParameter key)
private boolean	ValidateSk(BigInteger d)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

agreement	back to summary
private BasicAgreement agreement

bitmask	back to summary
private byte bitmask

domainParams	back to summary
pack-priv ECDomainParameters domainParams

hkdf	back to summary
private HKDF hkdf

kemId	back to summary
private final short kemId

kpGen	back to summary
private AsymmetricCipherKeyPairGenerator kpGen

Nsecret	back to summary
private int Nsecret

Nsk	back to summary
private int Nsk

Constructor Detail

DHKEM	back to summary
protected DHKEM(short kemid)

Method Detail

AuthDecap	back to summary
protected byte[] AuthDecap(byte[] enc, AsymmetricCipherKeyPair kpR, AsymmetricKeyParameter pkS)

AuthEncap	back to summary
protected byte[][] AuthEncap(AsymmetricKeyParameter pkR, AsymmetricCipherKeyPair kpS)

Decap	back to summary
protected byte[] Decap(byte[] enc, AsymmetricCipherKeyPair kpR)

DeriveKeyPair	back to summary
public AsymmetricCipherKeyPair DeriveKeyPair(byte[] ikm)

DeserializePrivateKey	back to summary
public AsymmetricCipherKeyPair DeserializePrivateKey(byte[] skEncoded, byte[] pkEncoded)

DeserializePublicKey	back to summary
public AsymmetricKeyParameter DeserializePublicKey(byte[] encoded)

Encap	back to summary
protected byte[][] Encap(AsymmetricKeyParameter pkR)

Encap	back to summary
protected byte[][] Encap(AsymmetricKeyParameter pkR, AsymmetricCipherKeyPair kpE)

ExtractAndExpand	back to summary
private byte[] ExtractAndExpand(byte[] dh, byte[] kemContext)

formatBigIntegerBytes	back to summary
private byte[] formatBigIntegerBytes(byte[] bigIntBytes, int outputSize)

GeneratePrivateKey	back to summary
public AsymmetricCipherKeyPair GeneratePrivateKey()

SerializePrivateKey	back to summary
public byte[] SerializePrivateKey(AsymmetricKeyParameter key)

SerializePublicKey	back to summary
public byte[] SerializePublicKey(AsymmetricKeyParameter key)

ValidateSk	back to summary
private boolean ValidateSk(BigInteger d)