Package org.bouncycastle.crypto.engines
Class OldIESEngine
java.lang.Object
org.bouncycastle.crypto.engines.IESEngine
org.bouncycastle.crypto.engines.OldIESEngine
Support class for constructing integrated encryption ciphers
for doing basic message exchanges on top of key agreement ciphers.
Follows the description given in IEEE Std 1363a.
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Constructor Summary
ConstructorsConstructorDescriptionOldIESEngine
(BasicAgreement agree, DerivationFunction kdf, Mac mac) set up for use with stream mode, where the key derivation function is used to provide a stream of bytes to xor with the message.OldIESEngine
(BasicAgreement agree, DerivationFunction kdf, Mac mac, BufferedBlockCipher cipher) set up for use in conjunction with a block cipher to handle the message. -
Method Summary
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Constructor Details
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OldIESEngine
set up for use with stream mode, where the key derivation function is used to provide a stream of bytes to xor with the message.- Parameters:
agree
- the key agreement used as the basis for the encryptionkdf
- the key derivation function used for byte generationmac
- the message authentication code generator for the message
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OldIESEngine
public OldIESEngine(BasicAgreement agree, DerivationFunction kdf, Mac mac, BufferedBlockCipher cipher) set up for use in conjunction with a block cipher to handle the message.- Parameters:
agree
- the key agreement used as the basis for the encryptionkdf
- the key derivation function used for byte generationmac
- the message authentication code generator for the messagecipher
- the cipher to used for encrypting the message
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Method Details
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getLengthTag
protected byte[] getLengthTag(byte[] p2) - Overrides:
getLengthTag
in classIESEngine
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