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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>封装同RSA非对称加密算法有关的方法，可用于数字签名，RSA加密解密</p>
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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>
新建密钥对</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私钥解密</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公钥加密数据</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>
建立新的密钥对，返回打包的byte[]形式私钥和公钥</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>
<BR>
测试</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>
用一个已打包成byte[]形式的私钥加密数据，即数字签名</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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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>
验证数字签名</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>
<DL>
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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>用一个已打包成byte[]形式的私钥加密数据，即数字签名<DD><DL>
<DT><B>Parameters:</B><DD><CODE>keyInByte</CODE> - 打包成byte[]的私钥<DD><CODE>source</CODE> - 要签名的数据，一般应是数字摘要<DT><B>Returns:</B><DD>签名 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>验证数字签名<DD><DL>
<DT><B>Parameters:</B><DD><CODE>keyInByte</CODE> - 打包成byte[]形式的公钥<DD><CODE>source</CODE> - 原文的数字摘要<DD><CODE>sign</CODE> - 签名（对原文的数字摘要的签名）<DT><B>Returns:</B><DD>是否证实 boolean</DL>
</DD>
</DL>
<HR>
<A NAME="giveRSAKeyPairInByte()"><!-- --></A><H3>
giveRSAKeyPairInByte</H3>
<PRE>
public static java.lang.Object[] <B>giveRSAKeyPairInByte</B>()</PRE>
<DL>
<DD>建立新的密钥对，返回打包的byte[]形式私钥和公钥<DD><DL>
<DT><B>Returns:</B><DD>包含打包成byte[]形式的私钥和公钥的object[],其中，object[0]为私钥byte[],object[1]为工要byte[]</DL>
</DD>
</DL>
<HR>
<A NAME="creatmyKey()"><!-- --></A><H3>
creatmyKey</H3>
<PRE>
public static java.security.KeyPair <B>creatmyKey</B>()</PRE>
<DL>
<DD>新建密钥对<DD><DL>
<DT><B>Returns:</B><DD>KeyPair对象</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公钥加密数据<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pubKeyInByte</CODE> - 打包的byte[]形式公钥<DD><CODE>data</CODE> - 要加密的数据<DT><B>Returns:</B><DD>加密数据</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私钥解密<DD><DL>
<DT><B>Parameters:</B><DD><CODE>privKeyInByte</CODE> - 私钥打包成byte[]形式<DD><CODE>data</CODE> - 要解密的数据<DT><B>Returns:</B><DD>解密数据</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>测试</DL>
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