SecureRandoms (Commons core 1.4 API)

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java.lang.Object
- cn.ponfee.commons.util.SecureRandoms

public final class SecureRandoms
extends Object

安全随机数生成工具类

作者:: Ponfee

构造器概要

构造器
构造器和说明

SecureRandoms()

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static byte[]`	`generateSeed(int numBytes)`
`static boolean`	`nextBoolean()`
`static byte[]`	`nextBytes(int numOfByte)` random byte[] array by SecureRandom
`static double`	`nextDouble()`
`static float`	`nextFloat()`
`static int`	`nextInt()`
`static int`	`nextInt(int bound)` returns a pseudo random int, between 0 and bound
`static long`	`nextLong()`
`static BigInteger`	`random(BigInteger mod)` Returns a pseudo random BigInteger, the bit length equals mod's bit length - 1
`static BigInteger`	`random(int bitLen)` Returns a pseudo random BigInteger specified bit length

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - SecureRandoms
```
public SecureRandoms()
```
- 方法详细资料
  - nextBytes
```
public static byte[] nextBytes(int numOfByte)
```
    random byte[] array by SecureRandom
    
    参数:
    
    numOfByte -
    
    返回:
  - nextInt
```
public static int nextInt(int bound)
```
    returns a pseudo random int, between 0 and bound
    
    参数:
    
    bound -
    
    返回:
  - nextInt
```
public static int nextInt()
```
  - nextLong
```
public static long nextLong()
```
  - nextFloat
```
public static float nextFloat()
```
  - nextDouble
```
public static double nextDouble()
```
  - nextBoolean
```
public static boolean nextBoolean()
```
  - random
```
public static BigInteger random(int bitLen)
```
    Returns a pseudo random BigInteger specified bit length
    
    参数:
    
    bitLen - specified bit length
    
    返回:
    
    a pseudo random BigInteger
  - random
```
public static BigInteger random(BigInteger mod)
```
    Returns a pseudo random BigInteger, the bit length equals mod's bit length - 1
    
    参数:
    
    mod - the modulo of maximum bounds
    
    返回:
    
    a pseudo random BigInteger
  - generateSeed
```
public static byte[] generateSeed(int numBytes)
```

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