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Java Source Code / Java Documentation » Security » Bouncy Castle » org.bouncycastle.jce.provider 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.bouncycastle.jce.provider.BrokenKDF2BytesGenerator

BrokenKDF2BytesGenerator
public class BrokenKDF2BytesGenerator implements DerivationFunction(Code)
Generator for PBE derived keys and ivs as defined by IEEE P1363a
This implementation is based on draft 9 of IEEE P1363a. Note: as this is still a draft the output of this generator may change, don't use it for anything that might be subject to long term storage.



Constructor Summary
public  BrokenKDF2BytesGenerator(Digest digest)
     Construct a KDF2 Parameters generator.

Method Summary
public  intgenerateBytes(byte[] out, int outOff, int len)
     fill len bytes of the output buffer with bytes generated from the derivation function.
public  DigestgetDigest()
     return the underlying digest.
public  voidinit(DerivationParameters param)
    


Constructor Detail
BrokenKDF2BytesGenerator
public BrokenKDF2BytesGenerator(Digest digest)(Code)
Construct a KDF2 Parameters generator. Generates key material according to IEEE P1363a - if you want orthodox results you should use a digest specified in the standard.

Note: IEEE P1363a standard is still a draft standard, if the standard changes this function, the output of this function will change as well. Don't use this routine for anything subject to long term storage.
Parameters:
  digest - the digest to be used as the source of derived keys.





Method Detail
generateBytes
public int generateBytes(byte[] out, int outOff, int len) throws DataLengthException, IllegalArgumentException(Code)
fill len bytes of the output buffer with bytes generated from the derivation function.
throws:
  IllegalArgumentException - if the size of the request will cause an overflow.
throws:
  DataLengthException - if the out buffer is too small.



getDigest
public Digest getDigest()(Code)
return the underlying digest.



init
public void init(DerivationParameters param)(Code)



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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