SigningHandler (IG Aggregated Javadoc 7.2.0 Documentation)

All Known Implementing Classes:

ECDSASigningHandler, EdDSASigningHandler, HmacSigningHandler, NOPSigningHandler, RSASigningHandler, SecretECDSASigningHandler, SecretEdDSASigningHandler, SecretHmacSigningHandler, SecretRSASigningHandler, SecretSigningHandler
```
public interface SigningHandler
```
The interface for SigningHandlers for all the different signing algorithms.
Provides methods for signing data and verifying the signatures of data.
Important: a signing handler cannot be shared and/or re-used, it's a one-time object.

Since:

2.0.0

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`byte[]`	`sign(JwsAlgorithm algorithm, byte[] data)`	Signs the given raw data bytes using the Java Cryptographic algorithm defined by the JwsAlgorithm.
`default byte[]`	`sign(JwsAlgorithm algorithm, String data)`	Signs the given String data using the Java Cryptographic algorithm defined by the JwsAlgorithm.
`boolean`	`verify(JwsAlgorithm algorithm, byte[] data, byte[] signature)`	Verifies that the given signature is valid for the given data.

- Method Detail
  - sign
```
default byte[] sign(JwsAlgorithm algorithm,
                    String data)
```
    Signs the given String data using the Java Cryptographic algorithm defined by the JwsAlgorithm. The signature is created using the given private key.
    
    Parameters:
    
    algorithm - The JwsAlgorithm defining the Java Cryptographic algorithm.
    
    data - The data to be signed.
    
    Returns:
    
    A byte array of the signature.
  - sign
```
byte[] sign(JwsAlgorithm algorithm,
            byte[] data)
```
    Signs the given raw data bytes using the Java Cryptographic algorithm defined by the JwsAlgorithm.
    
    Parameters:
    
    algorithm - the JWS signature algorithm to use.
    
    data - the raw data to sign.
    
    Returns:
    
    the signature.
  - verify
```
boolean verify(JwsAlgorithm algorithm,
               byte[] data,
               byte[] signature)
```
    Verifies that the given signature is valid for the given data.
    Uses the Java Cryptographic algorithm defined by the JwsAlgorithm and private key to create a new signature of the data to compare against the given signature to see if they are identical.
    
    Parameters:
    
    algorithm - The JwsAlgorithm defining the JavaCryptographic algorithm.
    
    data - The data that was signed.
    
    signature - The signature of the data.
    
    Returns:
    
    true if the signature is a valid signature of the data.