BaseAgreementSpi (Bouncy Castle Library 1.60 API Specification)

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

Direct Known Subclasses:

KeyAgreementSpi, KeyAgreementSpi, KeyAgreementSpi, KeyAgreementSpi, KeyAgreementSpi
```
public abstract class BaseAgreementSpi
extends javax.crypto.KeyAgreementSpi
```

Field Summary

Fields
Modifier and Type Field Description

protected java.lang.String kaAlgorithm

protected DerivationFunction kdf

protected byte[] ukmParameters

Fields
Modifier and Type	Field	Description
`protected java.lang.String`	`kaAlgorithm`
`protected DerivationFunction`	`kdf`
`protected byte[]`	`ukmParameters`

Constructor Summary

Constructors
Constructor Description

BaseAgreementSpi(java.lang.String kaAlgorithm, DerivationFunction kdf)

Constructors
Constructor	Description
`BaseAgreementSpi(java.lang.String kaAlgorithm, DerivationFunction kdf)`

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected abstract byte[]`	`calcSecret()`
`protected byte[]`	`engineGenerateSecret()`
`protected int`	`engineGenerateSecret(byte[] sharedSecret, int offset)`
`protected javax.crypto.SecretKey`	`engineGenerateSecret(java.lang.String algorithm)`
`protected static java.lang.String`	`getAlgorithm(java.lang.String algDetails)`
`protected static int`	`getKeySize(java.lang.String algDetails)`
`protected static byte[]`	`trimZeroes(byte[] secret)`

Methods inherited from class javax.crypto.KeyAgreementSpi
engineDoPhase, engineInit, engineInit

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

Field Detail

kaAlgorithm

protected final java.lang.String kaAlgorithm

kdf
```
protected final DerivationFunction kdf
```

ukmParameters
```
protected byte[] ukmParameters
```

Constructor Detail

BaseAgreementSpi

public BaseAgreementSpi(java.lang.String kaAlgorithm,
                        DerivationFunction kdf)

Method Detail

getAlgorithm

protected static java.lang.String getAlgorithm(java.lang.String algDetails)

getKeySize

protected static int getKeySize(java.lang.String algDetails)

trimZeroes

protected static byte[] trimZeroes(byte[] secret)

engineGenerateSecret
```
protected byte[] engineGenerateSecret()
                               throws java.lang.IllegalStateException
```
Specified by:

engineGenerateSecret in class javax.crypto.KeyAgreementSpi

Throws:

java.lang.IllegalStateException

engineGenerateSecret

protected int engineGenerateSecret(byte[] sharedSecret,
                                   int offset)
                            throws java.lang.IllegalStateException,
                                   javax.crypto.ShortBufferException

Specified by:: engineGenerateSecret in class javax.crypto.KeyAgreementSpi
Throws:: java.lang.IllegalStateException; javax.crypto.ShortBufferException

engineGenerateSecret

protected javax.crypto.SecretKey engineGenerateSecret(java.lang.String algorithm)
                                               throws java.security.NoSuchAlgorithmException

Specified by:: engineGenerateSecret in class javax.crypto.KeyAgreementSpi
Throws:: java.security.NoSuchAlgorithmException

calcSecret

protected abstract byte[] calcSecret()

Class BaseAgreementSpi

Field Summary

Constructor Summary

Method Summary

Methods inherited from class javax.crypto.KeyAgreementSpi

Methods inherited from class java.lang.Object

Field Detail

kaAlgorithm

kdf

ukmParameters

Constructor Detail

BaseAgreementSpi

Method Detail

getAlgorithm

getKeySize

trimZeroes

engineGenerateSecret

engineGenerateSecret

engineGenerateSecret

calcSecret