Java使用DSA密鑰對生成XML簽名的方法
更新時間:2015年03月12日 11:23:50 作者:鑒客
這篇文章主要介紹了Java使用DSA密鑰對生成XML簽名的方法,實例分析了java使用DSA密鑰對生成XML簽名的技巧,具有一定參考借鑒價值,需要的朋友可以參考下
本文實例講述了Java使用DSA密鑰對生成XML簽名的方法。分享給大家供大家參考。具體實現(xiàn)方法如下:
MainClass.java代碼如下:
復制代碼 代碼如下:
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.SecureRandom;
import java.util.Collections;
import javax.xml.crypto.dsig.CanonicalizationMethod;
import javax.xml.crypto.dsig.DigestMethod;
import javax.xml.crypto.dsig.Reference;
import javax.xml.crypto.dsig.SignatureMethod;
import javax.xml.crypto.dsig.SignedInfo;
import javax.xml.crypto.dsig.XMLSignature;
import javax.xml.crypto.dsig.XMLSignatureFactory;
import javax.xml.crypto.dsig.keyinfo.KeyInfo;
import javax.xml.crypto.dsig.keyinfo.KeyInfoFactory;
import javax.xml.crypto.dsig.keyinfo.KeyValue;
import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec;
public class MainClass {
public static void main(String[] args) throws Exception {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");
kpg.initialize(1024, new SecureRandom());
KeyPair dsaKeyPair = kpg.generateKeyPair();
XMLSignatureFactory sigFactory = XMLSignatureFactory.getInstance();
Reference ref = sigFactory.newReference("#Body", sigFactory.newDigestMethod(DigestMethod.SHA1, null));
SignedInfo signedInfo = sigFactory.newSignedInfo(sigFactory.newCanonicalizationMethod(
CanonicalizationMethod.INCLUSIVE_WITH_COMMENTS, (C14NMethodParameterSpec) null), sigFactory.newSignatureMethod(SignatureMethod.DSA_SHA1, null), Collections.singletonList(ref));
KeyInfoFactory kif = sigFactory.getKeyInfoFactory();
KeyValue kv = kif.newKeyValue(dsaKeyPair.getPublic());
KeyInfo keyInfo = kif.newKeyInfo(Collections.singletonList(kv));
XMLSignature xmlSig = sigFactory.newXMLSignature(signedInfo, keyInfo);
}
}
import java.security.KeyPairGenerator;
import java.security.SecureRandom;
import java.util.Collections;
import javax.xml.crypto.dsig.CanonicalizationMethod;
import javax.xml.crypto.dsig.DigestMethod;
import javax.xml.crypto.dsig.Reference;
import javax.xml.crypto.dsig.SignatureMethod;
import javax.xml.crypto.dsig.SignedInfo;
import javax.xml.crypto.dsig.XMLSignature;
import javax.xml.crypto.dsig.XMLSignatureFactory;
import javax.xml.crypto.dsig.keyinfo.KeyInfo;
import javax.xml.crypto.dsig.keyinfo.KeyInfoFactory;
import javax.xml.crypto.dsig.keyinfo.KeyValue;
import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec;
public class MainClass {
public static void main(String[] args) throws Exception {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");
kpg.initialize(1024, new SecureRandom());
KeyPair dsaKeyPair = kpg.generateKeyPair();
XMLSignatureFactory sigFactory = XMLSignatureFactory.getInstance();
Reference ref = sigFactory.newReference("#Body", sigFactory.newDigestMethod(DigestMethod.SHA1, null));
SignedInfo signedInfo = sigFactory.newSignedInfo(sigFactory.newCanonicalizationMethod(
CanonicalizationMethod.INCLUSIVE_WITH_COMMENTS, (C14NMethodParameterSpec) null), sigFactory.newSignatureMethod(SignatureMethod.DSA_SHA1, null), Collections.singletonList(ref));
KeyInfoFactory kif = sigFactory.getKeyInfoFactory();
KeyValue kv = kif.newKeyValue(dsaKeyPair.getPublic());
KeyInfo keyInfo = kif.newKeyInfo(Collections.singletonList(kv));
XMLSignature xmlSig = sigFactory.newXMLSignature(signedInfo, keyInfo);
}
}
希望本文所述對大家的java程序設(shè)計有所幫助。
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