EntropySource (Bouncy Castle Library 1.68 API Specification)

```
public interface EntropySource
```
Base interface describing an entropy source for a DRBG.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`entropySize()`	Return the number of bits of entropy this source can produce.
`byte[]`	`getEntropy()`	Return a byte array of entropy.
`boolean`	`isPredictionResistant()`	Return whether or not this entropy source is regarded as prediction resistant.

- Method Detail
  - isPredictionResistant
```
boolean isPredictionResistant()
```
    Return whether or not this entropy source is regarded as prediction resistant.
    
    Returns:
    
    true if it is, false otherwise.
  - getEntropy
```
byte[] getEntropy()
```
    Return a byte array of entropy.
    
    Returns:
    
    entropy bytes.
  - entropySize
```
int entropySize()
```
    Return the number of bits of entropy this source can produce.
    
    Returns:
    
    size in bits of the return value of getEntropy.