Class PKCS5S2ParametersGenerator
java.lang.Object
org.bouncycastle.crypto.PBEParametersGenerator
org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator
Generator for PBE derived keys and ivs as defined by PKCS 5 V2.0 Scheme 2.
This generator uses a SHA-1 HMac as the calculation function.
The document this implementation is based on can be found at RSA's PKCS5 Page
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Field Summary
Fields inherited from class org.bouncycastle.crypto.PBEParametersGenerator
iterationCount, password, salt
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Constructor Summary
ConstructorDescriptionconstruct a PKCS5 Scheme 2 Parameters generator.PKCS5S2ParametersGenerator
(Digest digest) -
Method Summary
Modifier and TypeMethodDescriptiongenerateDerivedMacParameters
(int keySize) Generate a key parameter for use with a MAC derived from the password, salt, and iteration count we are currently initialised with.generateDerivedParameters
(int keySize) Generate a key parameter derived from the password, salt, and iteration count we are currently initialised with.generateDerivedParameters
(int keySize, int ivSize) Generate a key with initialisation vector parameter derived from the password, salt, and iteration count we are currently initialised with.Methods inherited from class org.bouncycastle.crypto.PBEParametersGenerator
getIterationCount, getPassword, getSalt, init, PKCS12PasswordToBytes, PKCS5PasswordToBytes, PKCS5PasswordToUTF8Bytes
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Constructor Details
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PKCS5S2ParametersGenerator
public PKCS5S2ParametersGenerator()construct a PKCS5 Scheme 2 Parameters generator. -
PKCS5S2ParametersGenerator
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Method Details
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generateDerivedParameters
Generate a key parameter derived from the password, salt, and iteration count we are currently initialised with.- Specified by:
generateDerivedParameters
in classPBEParametersGenerator
- Parameters:
keySize
- the size of the key we want (in bits)- Returns:
- a KeyParameter object.
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generateDerivedParameters
Generate a key with initialisation vector parameter derived from the password, salt, and iteration count we are currently initialised with.- Specified by:
generateDerivedParameters
in classPBEParametersGenerator
- Parameters:
keySize
- the size of the key we want (in bits)ivSize
- the size of the iv we want (in bits)- Returns:
- a ParametersWithIV object.
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generateDerivedMacParameters
Generate a key parameter for use with a MAC derived from the password, salt, and iteration count we are currently initialised with.- Specified by:
generateDerivedMacParameters
in classPBEParametersGenerator
- Parameters:
keySize
- the size of the key we want (in bits)- Returns:
- a KeyParameter object.
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