SiHmac (takes 1.24.2 API)

java.lang.Object
- org.takes.facets.auth.signatures.SiHmac

All Implemented Interfaces:

Signature
```
public final class SiHmac
extends Object
implements Signature
```
HMAC codec which supports 256, 384 and 512 bit hash.
The class is immutable and thread-safe.

Since:

1.4

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static int HMAC256
  The HMAC 256 bit variant.
  
  static int HMAC384
  The HMAC 384 bit variant.
  
  static int HMAC512
  The HMAC 512 bit variant.
- Constructor Summary
  
  Constructors
  Constructor Description
  
  SiHmac(byte[] key, int bits)
  Ctor.
  
  SiHmac(String key)
  Ctor.
  
  SiHmac(String key, int bits)
  Ctor.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  int bitlength()
  Signature bit length.
  
  byte[] sign(byte[] data)
  Create signature for data bytes.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - HMAC256
```
public static final int HMAC256
```
    The HMAC 256 bit variant.
    
    See Also:
    
    Constant Field Values
  - HMAC384
```
public static final int HMAC384
```
    The HMAC 384 bit variant.
    
    See Also:
    
    Constant Field Values
  - HMAC512
```
public static final int HMAC512
```
    The HMAC 512 bit variant.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - SiHmac
```
public SiHmac(String key)
```
    Ctor.
    
    Parameters:
    
    key - The encryption key
  - SiHmac
```
public SiHmac(String key,
              int bits)
```
    Ctor.
    
    Parameters:
    
    key - The encryption key
    
    bits - The signature bit length
  - SiHmac
```
public SiHmac(byte[] key,
              int bits)
```
    Ctor.
    
    Parameters:
    
    key - The encryption key
    
    bits - The signature bit length
- Method Detail
  - sign
```
public byte[] sign(byte[] data)
            throws IOException
```
    Description copied from interface: Signature
    
    Create signature for data bytes.
    
    Specified by:
    
    sign in interface Signature
    
    Parameters:
    
    data - The data to be signed
    
    Returns:
    
    Signature
    
    Throws:
    
    IOException - If anything fails
  - bitlength
```
public int bitlength()
```
    Signature bit length.
    
    Returns:
    
    The bitlength