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org.bouncycastle.crypto.hpke

pack-priv Class DHKEM

extends KEM
Class Inheritance
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 TypeField and Description
private BasicAgreement
agreement

private byte
bitmask

pack-priv ECDomainParameters
domainParams

private HKDF
hkdf

private final short
kemId

private AsymmetricCipherKeyPairGenerator
kpGen

private int
Nenc

private int
Nsecret

private int
Nsk

Constructor Summary

AccessConstructor and Description
protected
DHKEM(short kemid)

Method Summary

Modifier and TypeMethod and Description
protected byte[]
AuthDecap(byte[] enc, AsymmetricCipherKeyPair kpR, AsymmetricKeyParameter pkS)

Implements abstract org.bouncycastle.crypto.hpke.KEM.AuthDecap.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.AuthEncap.

protected byte[]
Decap(byte[] enc, AsymmetricCipherKeyPair kpR)

Implements abstract org.bouncycastle.crypto.hpke.KEM.Decap.

public AsymmetricCipherKeyPair
DeriveKeyPair(byte[] ikm)

Implements abstract org.bouncycastle.crypto.hpke.KEM.DeriveKeyPair.

public AsymmetricCipherKeyPair
DeserializePrivateKey(byte[] skEncoded, byte[] pkEncoded)

Implements abstract org.bouncycastle.crypto.hpke.KEM.DeserializePrivateKey.

public AsymmetricKeyParameter
DeserializePublicKey(byte[] encoded)

Implements abstract org.bouncycastle.crypto.hpke.KEM.DeserializePublicKey.

protected byte[][]
Encap(AsymmetricKeyParameter pkR)

Implements abstract org.bouncycastle.crypto.hpke.KEM.Encap.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.Encap.

private byte[]
ExtractAndExpand(byte[] dh, byte[] kemContext)

private byte[]
formatBigIntegerBytes(byte[] bigIntBytes, int outputSize)

public AsymmetricCipherKeyPair
GeneratePrivateKey()

Implements abstract org.bouncycastle.crypto.hpke.KEM.GeneratePrivateKey.

pack-priv int
getEncryptionSize()

Implements abstract org.bouncycastle.crypto.hpke.KEM.getEncryptionSize.

public byte[]
SerializePrivateKey(AsymmetricKeyParameter key)

Implements abstract org.bouncycastle.crypto.hpke.KEM.SerializePrivateKey.

public byte[]
SerializePublicKey(AsymmetricKeyParameter key)

Implements abstract org.bouncycastle.crypto.hpke.KEM.SerializePublicKey.

private boolean
ValidateSk(BigInteger d)

Field Detail

agreementback to summary
private BasicAgreement agreement
bitmaskback to summary
private byte bitmask
domainParamsback to summary
pack-priv ECDomainParameters domainParams
hkdfback to summary
private HKDF hkdf
kemIdback to summary
private final short kemId
kpGenback to summary
private AsymmetricCipherKeyPairGenerator kpGen
Nencback to summary
private int Nenc
Nsecretback to summary
private int Nsecret
Nskback to summary
private int Nsk

Constructor Detail

DHKEMback to summary
protected DHKEM(short kemid)

Method Detail

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.AuthDecap.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.AuthEncap.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.Decap.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.DeriveKeyPair.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.DeserializePrivateKey.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.DeserializePublicKey.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.Encap.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.Encap.

ExtractAndExpandback to summary
private byte[] ExtractAndExpand(byte[] dh, byte[] kemContext)
formatBigIntegerBytesback to summary
private byte[] formatBigIntegerBytes(byte[] bigIntBytes, int outputSize)
GeneratePrivateKeyback to summary
public AsymmetricCipherKeyPair GeneratePrivateKey()

Implements abstract org.bouncycastle.crypto.hpke.KEM.GeneratePrivateKey.

getEncryptionSizeback to summary
pack-priv int getEncryptionSize()

Implements abstract org.bouncycastle.crypto.hpke.KEM.getEncryptionSize.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.SerializePrivateKey.

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

Implements abstract org.bouncycastle.crypto.hpke.KEM.SerializePublicKey.

ValidateSkback to summary
private boolean ValidateSk(BigInteger d)