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sun.security.provider

public Interface EntropySource

An interface of a source of entropy input.
Since
9

Method Summary

Modifier and TypeMethod and Description
public byte[]

Returns:

the byte array containing entropy
getEntropy(int
minimum entropy required, in bytes
minEntropy, int
minimum length of output, in bytes
minLength, int
maximum length of output, in bytes
maxLength, boolean
whether prediction resistance is required
pr)

Returns a byte array containing entropy.

Method Detail

getEntropyback to summary
public byte[] getEntropy(int minEntropy, int minLength, int maxLength, boolean pr)

Returns a byte array containing entropy.

This maps to the Get_entropy_input function defined in Section 9 of NIST SP 800-90Ar1.

Parameters
minEntropy:int

minimum entropy required, in bytes

minLength:int

minimum length of output, in bytes

maxLength:int

maximum length of output, in bytes

pr:boolean

whether prediction resistance is required

Returns:byte[]

the byte array containing entropy