keybuilder.html

JAVA CARD 开发包规格说明,版本为2.2.2

<PRE>
public static final short <B>LENGTH_RSA_2048</B></PRE>
<DL>
<DD>RSA Key Length <code>LENGTH_RSA_2048</code> = 2048.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_RSA_2048">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_DSA_512"><!-- --></A><H3>
LENGTH_DSA_512</H3>
<PRE>
public static final short <B>LENGTH_DSA_512</B></PRE>
<DL>
<DD>DSA Key Length <code>LENGTH_DSA_512</code> = 512.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_DSA_512">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_DSA_768"><!-- --></A><H3>
LENGTH_DSA_768</H3>
<PRE>
public static final short <B>LENGTH_DSA_768</B></PRE>
<DL>
<DD>DSA Key Length <code>LENGTH_DSA_768</code> = 768.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_DSA_768">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_DSA_1024"><!-- --></A><H3>
LENGTH_DSA_1024</H3>
<PRE>
public static final short <B>LENGTH_DSA_1024</B></PRE>
<DL>
<DD>DSA Key Length <code>LENGTH_DSA_1024</code> = 1024.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_DSA_1024">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_EC_FP_112"><!-- --></A><H3>
LENGTH_EC_FP_112</H3>
<PRE>
public static final short <B>LENGTH_EC_FP_112</B></PRE>
<DL>
<DD>EC Key Length <CODE>LENGTH_EC_FP_112</CODE> = 112.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_EC_FP_112">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_EC_F2M_113"><!-- --></A><H3>
LENGTH_EC_F2M_113</H3>
<PRE>
public static final short <B>LENGTH_EC_F2M_113</B></PRE>
<DL>
<DD>EC Key Length <CODE>LENGTH_EC_F2M_113</CODE> = 113.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_EC_F2M_113">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_EC_FP_128"><!-- --></A><H3>
LENGTH_EC_FP_128</H3>
<PRE>
public static final short <B>LENGTH_EC_FP_128</B></PRE>
<DL>
<DD>EC Key Length <CODE>LENGTH_EC_FP_128</CODE> = 128.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_EC_FP_128">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_EC_F2M_131"><!-- --></A><H3>
LENGTH_EC_F2M_131</H3>
<PRE>
public static final short <B>LENGTH_EC_F2M_131</B></PRE>
<DL>
<DD>EC Key Length <CODE>LENGTH_EC_F2M_131</CODE> = 131.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_EC_F2M_131">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_EC_FP_160"><!-- --></A><H3>
LENGTH_EC_FP_160</H3>
<PRE>
public static final short <B>LENGTH_EC_FP_160</B></PRE>
<DL>
<DD>EC Key Length <CODE>LENGTH_EC_FP_160</CODE> = 160.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_EC_FP_160">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_EC_F2M_163"><!-- --></A><H3>
LENGTH_EC_F2M_163</H3>
<PRE>
public static final short <B>LENGTH_EC_F2M_163</B></PRE>
<DL>
<DD>EC Key Length <CODE>LENGTH_EC_F2M_163</CODE> = 163.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_EC_F2M_163">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_EC_FP_192"><!-- --></A><H3>
LENGTH_EC_FP_192</H3>
<PRE>
public static final short <B>LENGTH_EC_FP_192</B></PRE>
<DL>
<DD>EC Key Length <CODE>LENGTH_EC_FP_192</CODE> = 192.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_EC_FP_192">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_EC_F2M_193"><!-- --></A><H3>
LENGTH_EC_F2M_193</H3>
<PRE>
public static final short <B>LENGTH_EC_F2M_193</B></PRE>
<DL>
<DD>EC Key Length <CODE>LENGTH_EC_F2M_193</CODE> = 193.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_EC_F2M_193">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_AES_128"><!-- --></A><H3>
LENGTH_AES_128</H3>
<PRE>
public static final short <B>LENGTH_AES_128</B></PRE>
<DL>
<DD>AES Key Length <code>LENGTH_AES_128</code> = 128.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_AES_128">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_AES_192"><!-- --></A><H3>
LENGTH_AES_192</H3>
<PRE>
public static final short <B>LENGTH_AES_192</B></PRE>
<DL>
<DD>AES Key Length <code>LENGTH_AES_192</code> = 192.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_AES_192">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_AES_256"><!-- --></A><H3>
LENGTH_AES_256</H3>
<PRE>
public static final short <B>LENGTH_AES_256</B></PRE>
<DL>
<DD>AES Key Length <code>LENGTH_AES_256</code> = 256.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_AES_256">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_KOREAN_SEED_128"><!-- --></A><H3>
LENGTH_KOREAN_SEED_128</H3>
<PRE>
public static final short <B>LENGTH_KOREAN_SEED_128</B></PRE>
<DL>
<DD>Korean Seed Key Length <code>LENGTH_KOREAN_SEED_128</code> = 128.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_KOREAN_SEED_128">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_HMAC_SHA_1_BLOCK_64"><!-- --></A><H3>
LENGTH_HMAC_SHA_1_BLOCK_64</H3>
<PRE>
public static final short <B>LENGTH_HMAC_SHA_1_BLOCK_64</B></PRE>
<DL>
<DD>HMAC Key Length <code>LENGTH_HMAC_SHA_1_BLOCK_64</code> = 64.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_HMAC_SHA_1_BLOCK_64">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_HMAC_SHA_256_BLOCK_64"><!-- --></A><H3>
LENGTH_HMAC_SHA_256_BLOCK_64</H3>
<PRE>
public static final short <B>LENGTH_HMAC_SHA_256_BLOCK_64</B></PRE>
<DL>
<DD>HMAC Key Length <code>LENGTH_HMAC_SHA_256_BLOCK_64</code> = 64.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_HMAC_SHA_256_BLOCK_64">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_HMAC_SHA_384_BLOCK_128"><!-- --></A><H3>
LENGTH_HMAC_SHA_384_BLOCK_128</H3>
<PRE>
public static final short <B>LENGTH_HMAC_SHA_384_BLOCK_128</B></PRE>
<DL>
<DD>HMAC Key Length <code>LENGTH_HMAC_SHA_384_BLOCK_128</code> = 64.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_HMAC_SHA_384_BLOCK_128">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="LENGTH_HMAC_SHA_512_BLOCK_128"><!-- --></A><H3>
LENGTH_HMAC_SHA_512_BLOCK_128</H3>
<PRE>
public static final short <B>LENGTH_HMAC_SHA_512_BLOCK_128</B></PRE>
<DL>
<DD>HMAC Key Length <code>LENGTH_HMAC_SHA_512_BLOCK_128</code> = 64.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javacard.security.KeyBuilder.LENGTH_HMAC_SHA_512_BLOCK_128">Constant Field Values</A></DL>
</DL>

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<A NAME="buildKey(byte, short, boolean)"><!-- --></A><H3>
buildKey</H3>
<PRE>
public static <A HREF="../../javacard/security/Key.html" title="interface in javacard.security">Key</A> <B>buildKey</B>(byte&nbsp;keyType,
                           short&nbsp;keyLength,
                           boolean&nbsp;keyEncryption)
                    throws <A HREF="../../javacard/security/CryptoException.html" title="class in javacard.security">CryptoException</A></PRE>
<DL>
<DD>Creates uninitialized cryptographic keys for signature and cipher algorithms. Only instances created
 by this method may be the key objects used to initialize instances of
 <code>Signature</code>, <code>Cipher</code> and <code>KeyPair</code>.
 Note that the object returned must be cast to their appropriate key type interface.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>keyType</CODE> - the type of key to be generated. Valid codes listed in <code>TYPE_*</code> constants.
 See <A HREF="../../javacard/security/KeyBuilder.html#TYPE_DES_TRANSIENT_RESET"><CODE>TYPE_DES_TRANSIENT_RESET</CODE></A>.<DD><CODE>keyLength</CODE> - the key size in bits. The valid key bit lengths are key type dependent. Some common
 key lengths are listed above above in the <code>LENGTH_*</code> constants. See <A HREF="../../javacard/security/KeyBuilder.html#LENGTH_DES"><CODE>LENGTH_DES</CODE></A>.<DD><CODE>keyEncryption</CODE> - if <code>true</code> this boolean requests a key implementation
 which implements the <code>javacardx.crypto.KeyEncryption</code> interface.
 The key implementation returned may implement the <code>javacardx.crypto.KeyEncryption</code>
 interface even when this parameter is <code>false</code>.
<DT><B>Returns:</B><DD>the key object instance of the requested key type, length and encrypted access
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../javacard/security/CryptoException.html" title="class in javacard.security">CryptoException</A></CODE> - with the following reason codes:<ul>
 <li><code>CryptoException.NO_SUCH_ALGORITHM</code> if the requested algorithm
 associated with the specified type, size of key and key encryption interface is not supported.</ul></DL>
</DD>
</DL>
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