62 lines
1.8 KiB
Java
62 lines
1.8 KiB
Java
package cn.citycraft.AuthMe.security.pbkdf2;
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/**
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* <p>
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* A free Java implementation of Password Based Key Derivation Function 2 as
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* defined by RFC 2898. Copyright (c) 2007 Matthias Gärtner
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* </p>
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* <p>
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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* </p>
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* <p>
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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* </p>
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* <p>
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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* </p>
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* <p>
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* For Details, see <a
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* href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html"
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* >http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html</a>.
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* </p>
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*
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* @author Matthias Gärtner
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* @version 1.0
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*/
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public interface PRF {
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/**
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* Pseudo Random Function
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*
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* @param M
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* Input data/message etc. Together with any data supplied during
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* initilization.
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* @return Random bytes of hLen length.
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*/
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public byte[] doFinal(byte[] M);
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/**
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* Query block size of underlying algorithm/mechanism.
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*
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* @return block size
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*/
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public int getHLen();
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/**
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* Initialize this instance with the user-supplied password.
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*
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* @param P
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* The password supplied as array of bytes. It is the caller's
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* task to convert String passwords to bytes as appropriate.
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*/
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public void init(byte[] P);
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}
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