RSA (FocessUtil 1.1.22 API)

java.lang.Object
- top.focess.util.RSA

```
public class RSA
extends Object
```
This is an RSA util class.

Constructor Summary

Constructors
Constructor Description

RSA()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static byte[]`	`decryptRSA(byte[] data, String key)`	Decrypt data with RSA private key
`static byte[]`	`encryptRSA(byte[] data, String key)`	Encrypt data with RSA public key
`static RSAKeypair`	`genRSAKeypair()`	Generate RSA key pair
`static byte[]`	`sign(byte[] data, String k)`	Sign data with RSA private key
`static boolean`	`verify(byte[] data, String k, byte[] sign)`	Verify sign with RSA public key

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RSA
```
public RSA()
```
- Method Detail
  - genRSAKeypair
```
public static RSAKeypair genRSAKeypair()
```
    Generate RSA key pair
    
    Returns:
    
    the RSA key pair
  - encryptRSA
```
public static byte[] encryptRSA(byte[] data,
                                String key)
```
    Encrypt data with RSA public key
    
    Parameters:
    
    data - the data to encrypt
    
    key - the RSA public key
    
    Returns:
    
    the encrypted data
  - decryptRSA
```
public static byte[] decryptRSA(byte[] data,
                                String key)
```
    Decrypt data with RSA private key
    
    Parameters:
    
    data - the data to decrypt
    
    key - the RSA private key
    
    Returns:
    
    the decrypted data
  - sign
```
public static byte[] sign(byte[] data,
                          String k)
```
    Sign data with RSA private key
    
    Parameters:
    
    data - the data to sign
    
    k - the RSA private key
    
    Returns:
    
    the signed data
  - verify
```
public static boolean verify(byte[] data,
                             String k,
                             byte[] sign)
```
    Verify sign with RSA public key
    
    Parameters:
    
    data - the data to verify
    
    k - the RSA public key
    
    sign - the sign to verify
    
    Returns:
    
    true if the sign is valid, false otherwise