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</div>
<div id="content">
<!-- ============================== class title ============================ -->
<h1 class="classTitle">
Class KJUR.crypto.DSA
</h1>
<!-- ============================== class summary ========================== -->
<p class="description">
class for DSA signing and verifcation
<br /><i>Defined in: </i> <a href="../symbols/src/dsa-2.0.js.html">dsa-2.0.js</a>.
</p>
<!-- ============================== constructor summary ==================== -->
<table class="summaryTable" cellspacing="0" summary="A summary of the constructor documented in the class KJUR.crypto.DSA.">
<caption>Class Summary</caption>
<thead>
<tr>
<th scope="col">Constructor Attributes</th>
<th scope="col">Constructor Name and Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="attributes"> </td>
<td class="nameDescription" >
<div class="fixedFont">
<b><a href="../symbols/KJUR.crypto.DSA.html#constructor">KJUR.crypto.DSA</a></b>()
</div>
<div class="description">class for DSA signing and verification
<p>
CAUTION: Most of the case, you don't need to use this class.</div>
</td>
</tr>
</tbody>
</table>
<!-- ============================== properties summary ===================== -->
<!-- ============================== methods summary ======================== -->
<table class="summaryTable" cellspacing="0" summary="A summary of the methods documented in the class KJUR.crypto.DSA.">
<caption>Method Summary</caption>
<thead>
<tr>
<th scope="col">Method Attributes</th>
<th scope="col">Method Name and Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#parseASN1Signature">parseASN1Signature</a></b>(hSigVal)
</div>
<div class="description">parse hexadecimal ASN.1 DSA signature value</div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#readCertPubKeyHex">readCertPubKeyHex</a></b>(h, nthPKI)
</div>
<div class="description">read an ASN.1 hexadecimal string of X.509 DSA public key certificate<br/></div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#readPKCS5PrvKeyHex">readPKCS5PrvKeyHex</a></b>(h)
</div>
<div class="description">read an ASN.1 hexadecimal string of PKCS#1/5 plain DSA private key<br/></div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#readPKCS8PrvKeyHex">readPKCS8PrvKeyHex</a></b>(h)
</div>
<div class="description">read an ASN.1 hexadecimal string of PKCS#8 plain DSA private key<br/></div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#readPKCS8PubKeyHex">readPKCS8PubKeyHex</a></b>(h)
</div>
<div class="description">read an ASN.1 hexadecimal string of PKCS#8 plain DSA private key<br/></div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#setPrivate">setPrivate</a></b>(p, q, g, y, x)
</div>
<div class="description">set DSA private key by key parameters of BigInteger object</div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#setPrivateHex">setPrivateHex</a></b>(hP, hQ, hG, hY, hX)
</div>
<div class="description">set DSA private key by key parameters of hexadecimal string</div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#setPublic">setPublic</a></b>(p, q, g, y)
</div>
<div class="description">set DSA public key by key parameters of BigInteger object</div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#setPublicHex">setPublicHex</a></b>(hP, hQ, hG, hY)
</div>
<div class="description">set DSA public key by key parameters of hexadecimal string</div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#signWithMessageHash">signWithMessageHash</a></b>(sHashHex)
</div>
<div class="description">sign to hashed message by this DSA private key object</div>
</td>
</tr>
<tr>
<td class="attributes"> </td>
<td class="nameDescription">
<div class="fixedFont"><b><a href="../symbols/KJUR.crypto.DSA.html#verifyWithMessageHash">verifyWithMessageHash</a></b>(sHashHex, hSigVal)
</div>
<div class="description">verify signature by this DSA public key object</div>
</td>
</tr>
</tbody>
</table>
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<div class="details"><a name="constructor"> </a>
<div class="sectionTitle">
Class Detail
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<b>KJUR.crypto.DSA</b>()
</div>
<div class="description">
class for DSA signing and verification
<p>
CAUTION: Most of the case, you don't need to use this class.
Please use <a href="../symbols/KJUR.crypto.Signature.html">KJUR.crypto.Signature</a> class instead.
</p>
<p>
NOTE: Until jsrsasign 6.2.3, DSA class have used codes from openpgpjs library 1.0.0
licenced under LGPL licence. To avoid license issue dsa-2.0.js was re-written with
my own codes in jsrsasign 7.0.0.
Some random number generators used in dsa-2.0.js was newly defined
in KJUR.crypto.Util class. Now all of LGPL codes are removed.
</p>
</div>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.0.0 dsa 2.0.0</dd>
</dl>
</div>
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<!-- ============================== method details ========================= -->
<div class="sectionTitle">
Method Detail
</div>
<a name="parseASN1Signature"> </a>
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<span class="light">{Array}</span>
<b>parseASN1Signature</b>(hSigVal)
</div>
<div class="description">
parse hexadecimal ASN.1 DSA signature value
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>hSigVal</b>
</dt>
<dd>hexadecimal string of ASN.1 encoded DSA signature value</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.0.0 dsa 2.0.0</dd>
</dl>
</dl>
<dl class="detailList">
<dt class="heading">Returns:</dt>
<dd><span class="light fixedFont">{Array}</span> array [r, s] of DSA signature value. Both r and s are BigInteger.</dd>
</dl>
<hr />
<a name="readCertPubKeyHex"> </a>
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<b>readCertPubKeyHex</b>(h, nthPKI)
</div>
<div class="description">
read an ASN.1 hexadecimal string of X.509 DSA public key certificate<br/>
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>h</b>
</dt>
<dd>hexadecimal string of X.509 DSA public key certificate</dd>
<dt>
<span class="light fixedFont">{Integer}</span> <b>nthPKI</b>
</dt>
<dd>nth index of publicKeyInfo. (DEFAULT: 6 for X509v3)</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.1.0 dsa 2.1.0</dd>
</dl>
</dl>
<hr />
<a name="readPKCS5PrvKeyHex"> </a>
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<b>readPKCS5PrvKeyHex</b>(h)
</div>
<div class="description">
read an ASN.1 hexadecimal string of PKCS#1/5 plain DSA private key<br/>
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>h</b>
</dt>
<dd>hexadecimal string of PKCS#1/5 DSA private key</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.1.0 dsa 2.1.0</dd>
</dl>
</dl>
<hr />
<a name="readPKCS8PrvKeyHex"> </a>
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<b>readPKCS8PrvKeyHex</b>(h)
</div>
<div class="description">
read an ASN.1 hexadecimal string of PKCS#8 plain DSA private key<br/>
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>h</b>
</dt>
<dd>hexadecimal string of PKCS#8 DSA private key</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.1.0 dsa 2.1.0</dd>
</dl>
</dl>
<hr />
<a name="readPKCS8PubKeyHex"> </a>
<div class="fixedFont">
<b>readPKCS8PubKeyHex</b>(h)
</div>
<div class="description">
read an ASN.1 hexadecimal string of PKCS#8 plain DSA private key<br/>
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>h</b>
</dt>
<dd>hexadecimal string of PKCS#8 DSA private key</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.1.0 dsa 2.1.0</dd>
</dl>
</dl>
<hr />
<a name="setPrivate"> </a>
<div class="fixedFont">
<b>setPrivate</b>(p, q, g, y, x)
</div>
<div class="description">
set DSA private key by key parameters of BigInteger object
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>p</b>
</dt>
<dd>prime P parameter</dd>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>q</b>
</dt>
<dd>sub prime Q parameter</dd>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>g</b>
</dt>
<dd>base G parameter</dd>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>y</b>
</dt>
<dd>public key Y or null</dd>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>x</b>
</dt>
<dd>private key X</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.0.0 dsa 2.0.0</dd>
</dl>
</dl>
<hr />
<a name="setPrivateHex"> </a>
<div class="fixedFont">
<b>setPrivateHex</b>(hP, hQ, hG, hY, hX)
</div>
<div class="description">
set DSA private key by key parameters of hexadecimal string
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>hP</b>
</dt>
<dd>prime P parameter</dd>
<dt>
<span class="light fixedFont">{String}</span> <b>hQ</b>
</dt>
<dd>sub prime Q parameter</dd>
<dt>
<span class="light fixedFont">{String}</span> <b>hG</b>
</dt>
<dd>base G parameter</dd>
<dt>
<span class="light fixedFont">{String}</span> <b>hY</b>
</dt>
<dd>public key Y or null</dd>
<dt>
<span class="light fixedFont">{String}</span> <b>hX</b>
</dt>
<dd>private key X</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.1.0 dsa 2.1.0</dd>
</dl>
</dl>
<hr />
<a name="setPublic"> </a>
<div class="fixedFont">
<b>setPublic</b>(p, q, g, y)
</div>
<div class="description">
set DSA public key by key parameters of BigInteger object
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>p</b>
</dt>
<dd>prime P parameter</dd>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>q</b>
</dt>
<dd>sub prime Q parameter</dd>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>g</b>
</dt>
<dd>base G parameter</dd>
<dt>
<span class="light fixedFont">{BigInteger}</span> <b>y</b>
</dt>
<dd>public key Y</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.0.0 dsa 2.0.0</dd>
</dl>
</dl>
<hr />
<a name="setPublicHex"> </a>
<div class="fixedFont">
<b>setPublicHex</b>(hP, hQ, hG, hY)
</div>
<div class="description">
set DSA public key by key parameters of hexadecimal string
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>hP</b>
</dt>
<dd>prime P parameter</dd>
<dt>
<span class="light fixedFont">{String}</span> <b>hQ</b>
</dt>
<dd>sub prime Q parameter</dd>
<dt>
<span class="light fixedFont">{String}</span> <b>hG</b>
</dt>
<dd>base G parameter</dd>
<dt>
<span class="light fixedFont">{String}</span> <b>hY</b>
</dt>
<dd>public key Y</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.1.0 dsa 2.1.0</dd>
</dl>
</dl>
<hr />
<a name="signWithMessageHash"> </a>
<div class="fixedFont">
<span class="light">{String}</span>
<b>signWithMessageHash</b>(sHashHex)
</div>
<div class="description">
sign to hashed message by this DSA private key object
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>sHashHex</b>
</dt>
<dd>hexadecimal string of hashed message</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.0.0 dsa 2.0.0</dd>
</dl>
</dl>
<dl class="detailList">
<dt class="heading">Returns:</dt>
<dd><span class="light fixedFont">{String}</span> hexadecimal string of ASN.1 encoded DSA signature value</dd>
</dl>
<hr />
<a name="verifyWithMessageHash"> </a>
<div class="fixedFont">
<span class="light">{Boolean}</span>
<b>verifyWithMessageHash</b>(sHashHex, hSigVal)
</div>
<div class="description">
verify signature by this DSA public key object
</div>
<dl class="detailList">
<dt class="heading">Parameters:</dt>
<dt>
<span class="light fixedFont">{String}</span> <b>sHashHex</b>
</dt>
<dd>hexadecimal string of hashed message</dd>
<dt>
<span class="light fixedFont">{String}</span> <b>hSigVal</b>
</dt>
<dd>hexadecimal string of ASN.1 encoded DSA signature value</dd>
</dl>
<dl class="detailList">
<dt class="heading">Since:</dt>
<dd>jsrsasign 7.0.0 dsa 2.0.0</dd>
</dl>
</dl>
<dl class="detailList">
<dt class="heading">Returns:</dt>
<dd><span class="light fixedFont">{Boolean}</span> true if the signature is valid otherwise false.</dd>
</dl>
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<hr />
</div>
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© 2012-2017 Kenji Urushima, All rights reserved<br/>
Documentation generated by <a href="http://code.google.com/p/jsdoc-toolkit/" target="_blank">JsDoc Toolkit</a> 2.4.0
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