: Signature.getInstance(sigAlgName, provider);
} catch (NoSuchAlgorithmException e) {
throw new NoSuchAlgorithmException("The algorithm " + sigAlgName
+ " is not found in the environment.", e);
} catch (NoSuchProviderException e) {
throw (NoSuchProviderException) new NoSuchProviderException(
"The provider " + provider
+ " is not found in the environment.").initCause(e);
}
try {