Class BaseAgreementSpi
- java.lang.Object
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- javax.crypto.KeyAgreementSpi
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- org.bouncycastle.jcajce.provider.asymmetric.util.BaseAgreementSpi
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- Direct Known Subclasses:
KeyAgreementSpi
,KeyAgreementSpi
,KeyAgreementSpi
,KeyAgreementSpi
,KeyAgreementSpi
,KeyAgreementSpi
public abstract class BaseAgreementSpi extends javax.crypto.KeyAgreementSpi
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Field Summary
Fields Modifier and Type Field Description protected java.lang.String
kaAlgorithm
protected DerivationFunction
kdf
protected byte[]
ukmParameters
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Constructor Summary
Constructors Constructor Description BaseAgreementSpi(java.lang.String kaAlgorithm, DerivationFunction kdf)
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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)
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Field Detail
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kaAlgorithm
protected final java.lang.String kaAlgorithm
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kdf
protected final DerivationFunction kdf
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ukmParameters
protected byte[] ukmParameters
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Constructor Detail
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BaseAgreementSpi
public BaseAgreementSpi(java.lang.String kaAlgorithm, DerivationFunction kdf)
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Method Detail
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getAlgorithm
protected static java.lang.String getAlgorithm(java.lang.String algDetails)
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getKeySize
protected static int getKeySize(java.lang.String algDetails)
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trimZeroes
protected static byte[] trimZeroes(byte[] secret)
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engineGenerateSecret
protected byte[] engineGenerateSecret() throws java.lang.IllegalStateException
- Specified by:
engineGenerateSecret
in classjavax.crypto.KeyAgreementSpi
- Throws:
java.lang.IllegalStateException
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engineGenerateSecret
protected int engineGenerateSecret(byte[] sharedSecret, int offset) throws java.lang.IllegalStateException, javax.crypto.ShortBufferException
- Specified by:
engineGenerateSecret
in classjavax.crypto.KeyAgreementSpi
- Throws:
java.lang.IllegalStateException
javax.crypto.ShortBufferException
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engineGenerateSecret
protected javax.crypto.SecretKey engineGenerateSecret(java.lang.String algorithm) throws java.security.NoSuchAlgorithmException
- Specified by:
engineGenerateSecret
in classjavax.crypto.KeyAgreementSpi
- Throws:
java.security.NoSuchAlgorithmException
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calcSecret
protected abstract byte[] calcSecret()
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