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: Class RSATool
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jct</FONT>
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Class RSATool</H2>
<PRE>
java.lang.Object
|
+--<B>jct.RSATool</B>
</PRE>
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<DL>
<DT>public class <B>RSATool</B><DT>extends java.lang.Object</DL>
<P>
<p>封裝同RSA非對稱加密算法有關的方法，可用于數字簽名，RSA加密解密</p>
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<B>Constructor Summary</B></FONT></TD>
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<TD><CODE><B><A HREF="../jct/RSATool.html#RSATool()">RSATool</A></B>()</CODE>
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<CODE>static java.security.KeyPair</CODE></FONT></TD>
<TD><CODE><B><A HREF="../jct/RSATool.html#creatmyKey()">creatmyKey</A></B>()</CODE>
<BR>
新建密鑰對</TD>
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<CODE>static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../jct/RSATool.html#decryptByRSA(byte[], byte[])">decryptByRSA</A></B>(byte[] privKeyInByte, byte[] data)</CODE>
<BR>
用RSA私鑰解密</TD>
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<CODE>static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../jct/RSATool.html#encryptByRSA(byte[], byte[])">encryptByRSA</A></B>(byte[] pubKeyInByte, byte[] data)</CODE>
<BR>
使用RSA公鑰加密數據</TD>
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<CODE>static java.lang.Object[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../jct/RSATool.html#giveRSAKeyPairInByte()">giveRSAKeyPairInByte</A></B>()</CODE>
<BR>
建立新的密鑰對，返回打包的byte[]形式私鑰和公鑰</TD>
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<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../jct/RSATool.html#main(java.lang.String[])">main</A></B>(java.lang.String[] args)</CODE>
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測試</TD>
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<CODE>static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../jct/RSATool.html#sign(byte[], byte[])">sign</A></B>(byte[] keyInByte, byte[] source)</CODE>
<BR>
用一個已打包成byte[]形式的私鑰加密數據，即數字簽名</TD>
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<CODE>static boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../jct/RSATool.html#verify(byte[], byte[], byte[])">verify</A></B>(byte[] keyInByte, byte[] source, byte[] sign)</CODE>
<BR>
驗證數字簽名</TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE><clinit>, clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="RSATool()"><!-- --></A><H3>
RSATool</H3>
<PRE>
public <B>RSATool</B>()</PRE>
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<A NAME="sign(byte[], byte[])"><!-- --></A><H3>
sign</H3>
<PRE>
public static byte[] <B>sign</B>(byte[] keyInByte, byte[] source)</PRE>
<DL>
<DD>用一個已打包成byte[]形式的私鑰加密數據，即數字簽名<DD><DL>
<DT><B>Parameters:</B><DD><CODE>keyInByte</CODE> - 打包成byte[]的私鑰<DD><CODE>source</CODE> - 要簽名的數據，一般應是數字摘要<DT><B>Returns:</B><DD>簽名 byte[]</DL>
</DD>
</DL>
<HR>
<A NAME="verify(byte[], byte[], byte[])"><!-- --></A><H3>
verify</H3>
<PRE>
public static boolean <B>verify</B>(byte[] keyInByte, byte[] source, byte[] sign)</PRE>
<DL>
<DD>驗證數字簽名<DD><DL>
<DT><B>Parameters:</B><DD><CODE>keyInByte</CODE> - 打包成byte[]形式的公鑰<DD><CODE>source</CODE> - 原文的數字摘要<DD><CODE>sign</CODE> - 簽名（對原文的數字摘要的簽名）<DT><B>Returns:</B><DD>是否證實 boolean</DL>
</DD>
</DL>
<HR>
<A NAME="giveRSAKeyPairInByte()"><!-- --></A><H3>
giveRSAKeyPairInByte</H3>
<PRE>
public static java.lang.Object[] <B>giveRSAKeyPairInByte</B>()</PRE>
<DL>
<DD>建立新的密鑰對，返回打包的byte[]形式私鑰和公鑰<DD><DL>
<DT><B>Returns:</B><DD>包含打包成byte[]形式的私鑰和公鑰的object[],其中，object[0]為私鑰byte[],object[1]為工要byte[]</DL>
</DD>
</DL>
<HR>
<A NAME="creatmyKey()"><!-- --></A><H3>
creatmyKey</H3>
<PRE>
public static java.security.KeyPair <B>creatmyKey</B>()</PRE>
<DL>
<DD>新建密鑰對<DD><DL>
<DT><B>Returns:</B><DD>KeyPair對象</DL>
</DD>
</DL>
<HR>
<A NAME="encryptByRSA(byte[], byte[])"><!-- --></A><H3>
encryptByRSA</H3>
<PRE>
public static byte[] <B>encryptByRSA</B>(byte[] pubKeyInByte, byte[] data)</PRE>
<DL>
<DD>使用RSA公鑰加密數據<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pubKeyInByte</CODE> - 打包的byte[]形式公鑰<DD><CODE>data</CODE> - 要加密的數據<DT><B>Returns:</B><DD>加密數據</DL>
</DD>
</DL>
<HR>
<A NAME="decryptByRSA(byte[], byte[])"><!-- --></A><H3>
decryptByRSA</H3>
<PRE>
public static byte[] <B>decryptByRSA</B>(byte[] privKeyInByte, byte[] data)</PRE>
<DL>
<DD>用RSA私鑰解密<DD><DL>
<DT><B>Parameters:</B><DD><CODE>privKeyInByte</CODE> - 私鑰打包成byte[]形式<DD><CODE>data</CODE> - 要解密的數據<DT><B>Returns:</B><DD>解密數據</DL>
</DD>
</DL>
<HR>
<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[] args)</PRE>
<DL>
<DD>測試</DL>
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