2362N/A * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * This class specifies the set of parameters used with mask generation 0N/A * function MGF1 in OAEP Padding and RSA-PSS signature scheme, as 0N/A * <p>Its ASN.1 definition in PKCS#1 standard is described below: 0N/A * MGF1Parameters ::= OAEP-PSSDigestAlgorthms 0N/A * OAEP-PSSDigestAlgorithms ALGORITHM-IDENTIFIER ::= { 0N/A * { OID id-sha1 PARAMETERS NULL }| 0N/A * { OID id-sha256 PARAMETERS NULL }| 0N/A * { OID id-sha384 PARAMETERS NULL }| 0N/A * { OID id-sha512 PARAMETERS NULL }, 0N/A * ... -- Allows for future expansion -- 0N/A * @see PSSParameterSpec 0N/A * @see javax.crypto.spec.OAEPParameterSpec 0N/A * @author Valerie Peng 0N/A * The MGF1ParameterSpec which uses "SHA-1" message digest. 0N/A * The MGF1ParameterSpec which uses "SHA-256" message digest. 0N/A * The MGF1ParameterSpec which uses "SHA-384" message digest. 0N/A * The MGF1ParameterSpec which uses SHA-512 message digest. 0N/A * Constructs a parameter set for mask generation function MGF1 0N/A * as defined in the PKCS #1 standard. 0N/A * @param mdName the algorithm name for the message digest 0N/A * used in this mask generation function MGF1. 0N/A * @exception NullPointerException if <code>mdName</code> is null. 0N/A * Returns the algorithm name of the message digest used by the mask 0N/A * generation function. 0N/A * @return the algorithm name of the message digest.