FSSignatureUtil (OpenAM Project 16.0.0-SNAPSHOT API)

java.lang.Object
- com.sun.identity.federation.services.util.FSSignatureUtil

```
public class FSSignatureUtil
extends Object
```
Util methods to sign and verify signature on query string.

Constructor Summary

Constructors
Constructor Description

FSSignatureUtil()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`signAndReturnQueryString(String queryString, String certAlias)`	Signs a string using enveloped signatures.
`static boolean`	`verifyRequestSignature(jakarta.servlet.http.HttpServletRequest request, X509Certificate cert)`	Verifies signature on the request.

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

- Constructor Detail
  - FSSignatureUtil
```
public FSSignatureUtil()
```
- Method Detail
  - signAndReturnQueryString
```
public static String signAndReturnQueryString(String queryString,
                                              String certAlias)
```
    Signs a string using enveloped signatures.
    
    Parameters:
    
    queryString - the string to be signed
    
    certAlias - signer's certificate alias
    
    Returns:
    
    string with encoded signature or null if it couldn't be signed.
  - verifyRequestSignature
```
public static boolean verifyRequestSignature(jakarta.servlet.http.HttpServletRequest request,
                                             X509Certificate cert)
```
    Verifies signature on the request.
    
    Parameters:
    
    request - HttpServletRequest object
    
    cert - Signer's certificate.
    
    Returns:
    
    true if the signature is valid; false otherwise.