KeyAgreementSpi (veraPDF PDF Box PDF/A Validation Model Implementation 1.2.0 API)

java.lang.Object
- javax.crypto.KeyAgreementSpi
- - org.bouncycastle.jcajce.provider.asymmetric.util.BaseAgreementSpi
  - - org.bouncycastle.jcajce.provider.asymmetric.ec.KeyAgreementSpi

Direct Known Subclasses:

KeyAgreementSpi.CDHwithSHA1KDFAndSharedInfo, KeyAgreementSpi.CDHwithSHA224KDFAndSharedInfo, KeyAgreementSpi.CDHwithSHA256KDFAndSharedInfo, KeyAgreementSpi.CDHwithSHA384KDFAndSharedInfo, KeyAgreementSpi.CDHwithSHA512KDFAndSharedInfo, KeyAgreementSpi.DH, KeyAgreementSpi.DHC, KeyAgreementSpi.DHwithSHA1CKDF, KeyAgreementSpi.DHwithSHA1KDF, KeyAgreementSpi.DHwithSHA1KDFAndSharedInfo, KeyAgreementSpi.DHwithSHA224KDFAndSharedInfo, KeyAgreementSpi.DHwithSHA256CKDF, KeyAgreementSpi.DHwithSHA256KDFAndSharedInfo, KeyAgreementSpi.DHwithSHA384CKDF, KeyAgreementSpi.DHwithSHA384KDFAndSharedInfo, KeyAgreementSpi.DHwithSHA512CKDF, KeyAgreementSpi.DHwithSHA512KDFAndSharedInfo, KeyAgreementSpi.MQV, KeyAgreementSpi.MQVwithSHA1CKDF, KeyAgreementSpi.MQVwithSHA1KDFAndSharedInfo, KeyAgreementSpi.MQVwithSHA224CKDF, KeyAgreementSpi.MQVwithSHA224KDFAndSharedInfo, KeyAgreementSpi.MQVwithSHA256CKDF, KeyAgreementSpi.MQVwithSHA256KDFAndSharedInfo, KeyAgreementSpi.MQVwithSHA384CKDF, KeyAgreementSpi.MQVwithSHA384KDFAndSharedInfo, KeyAgreementSpi.MQVwithSHA512CKDF, KeyAgreementSpi.MQVwithSHA512KDFAndSharedInfo
```
public class KeyAgreementSpi
extends BaseAgreementSpi
```
Diffie-Hellman key agreement using elliptic curve keys, ala IEEE P1363 both the simple one, and the simple one with cofactors are supported. Also, MQV key agreement per SEC-1

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`KeyAgreementSpi.CDHwithSHA1KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.CDHwithSHA224KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.CDHwithSHA256KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.CDHwithSHA384KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.CDHwithSHA512KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.DH`
`static class`	`KeyAgreementSpi.DHC`
`static class`	`KeyAgreementSpi.DHwithSHA1CKDF`
`static class`	`KeyAgreementSpi.DHwithSHA1KDF`
`static class`	`KeyAgreementSpi.DHwithSHA1KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.DHwithSHA224KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.DHwithSHA256CKDF`
`static class`	`KeyAgreementSpi.DHwithSHA256KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.DHwithSHA384CKDF`
`static class`	`KeyAgreementSpi.DHwithSHA384KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.DHwithSHA512CKDF`
`static class`	`KeyAgreementSpi.DHwithSHA512KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.MQV`
`static class`	`KeyAgreementSpi.MQVwithSHA1CKDF`
`static class`	`KeyAgreementSpi.MQVwithSHA1KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.MQVwithSHA224CKDF`
`static class`	`KeyAgreementSpi.MQVwithSHA224KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.MQVwithSHA256CKDF`
`static class`	`KeyAgreementSpi.MQVwithSHA256KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.MQVwithSHA384CKDF`
`static class`	`KeyAgreementSpi.MQVwithSHA384KDFAndSharedInfo`
`static class`	`KeyAgreementSpi.MQVwithSHA512CKDF`
`static class`	`KeyAgreementSpi.MQVwithSHA512KDFAndSharedInfo`

Field Summary
- Fields inherited from class org.bouncycastle.jcajce.provider.asymmetric.util.BaseAgreementSpi
  result, ukmParameters

Constructor Summary

Constructors
Modifier Constructor and Description

protected KeyAgreementSpi(String kaAlgorithm, BasicAgreement agreement, DerivationFunction kdf)

Constructors
Modifier	Constructor and Description
`protected`	`KeyAgreementSpi(String kaAlgorithm, BasicAgreement agreement, DerivationFunction kdf)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`protected byte[]`	`bigIntToBytes(BigInteger r)`
`protected Key`	`engineDoPhase(Key key, boolean lastPhase)`
`protected void`	`engineInit(Key key, AlgorithmParameterSpec params, SecureRandom random)`
`protected void`	`engineInit(Key key, SecureRandom random)`

Methods inherited from class org.bouncycastle.jcajce.provider.asymmetric.util.BaseAgreementSpi
engineGenerateSecret, engineGenerateSecret, engineGenerateSecret, getAlgorithm, getKeySize, trimZeroes

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

KeyAgreementSpi

protected KeyAgreementSpi(String kaAlgorithm,
                          BasicAgreement agreement,
                          DerivationFunction kdf)

Method Detail

bigIntToBytes
```
protected byte[] bigIntToBytes(BigInteger r)
```
Specified by:

bigIntToBytes in class BaseAgreementSpi

engineDoPhase

protected Key engineDoPhase(Key key,
                            boolean lastPhase)
                     throws InvalidKeyException,
                            IllegalStateException

Specified by:: engineDoPhase in class KeyAgreementSpi
Throws:: InvalidKeyException; IllegalStateException

engineInit

protected void engineInit(Key key,
                          AlgorithmParameterSpec params,
                          SecureRandom random)
                   throws InvalidKeyException,
                          InvalidAlgorithmParameterException

Specified by:: engineInit in class KeyAgreementSpi
Throws:: InvalidKeyException; InvalidAlgorithmParameterException

engineInit

protected void engineInit(Key key,
                          SecureRandom random)
                   throws InvalidKeyException

Specified by:: engineInit in class KeyAgreementSpi
Throws:: InvalidKeyException

Class KeyAgreementSpi

Nested Class Summary

Field Summary

Fields inherited from class org.bouncycastle.jcajce.provider.asymmetric.util.BaseAgreementSpi

Constructor Summary

Method Summary

Methods inherited from class org.bouncycastle.jcajce.provider.asymmetric.util.BaseAgreementSpi

Methods inherited from class java.lang.Object

Constructor Detail

KeyAgreementSpi

Method Detail

bigIntToBytes

engineDoPhase

engineInit

engineInit