Get Signature Algorithm

GetSignatureAlgorithm.java

if(signerInfo.getEncryptionAlgOID().trim().equals("1.2.840.113549.1.1.1")) {
            encAlgo="RSA";
 }

if(encAlgo!=null)   {
if(digest.getAlgorithm().equals("1.3.14.3.2.26")) {
    encAlgo="SHA1withRSA";                
}
else if(digest.getAlgorithm().equals("2.16.840.1.101.3.4.2.1"))    {
    encAlgo="SHA256withRSA";  
}
else if(digest.getAlgorithm().equals("2.16.840.1.101.3.4.2.2"))    {
    encAlgo="SHA384withRSA";  
}
else if(digest.getAlgorithm().equals("2.16.840.1.101.3.4.2.3"))    {
    encAlgo="SHA512withRSA";  
}