http://www.jexp.ru/index.php?action=history&feed=atom&title=Java_by_API%2Fjava.security%2FKeyPairGenerator
Java by API/java.security/KeyPairGenerator - История изменений
2026-04-25T00:16:22Z
История изменений этой страницы в вики
MediaWiki 1.30.0
http://www.jexp.ru/index.php?title=Java_by_API/java.security/KeyPairGenerator&diff=2530&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:48Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<tr style="vertical-align: top;" lang="ru">
<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 17:43, 31 мая 2010</td>
</tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div>
</td></tr></table>
http://www.jexp.ru/index.php?title=Java_by_API/java.security/KeyPairGenerator&diff=2531&oldid=prev
Admin: 1 версия
2010-05-31T14:47:31Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== KeyPairGenerator: generateKeyPair() ==<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
<br />
import java.security.KeyPair;<br />
import java.security.KeyPairGenerator;<br />
import java.security.SecureRandom;<br />
public class Main {<br />
public static void main(String[] args) throws Exception {<br />
KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");<br />
kpg.initialize(1024, new SecureRandom());<br />
KeyPair dsaKeyPair = kpg.generateKeyPair();<br />
}<br />
}<br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --><br />
<br />
<br />
<br />
<br />
<br />
== KeyPairGenerator: genKeyPair() ==<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
import java.security.KeyPair;<br />
import java.security.KeyPairGenerator;<br />
import java.security.NoSuchAlgorithmException;<br />
import javax.crypto.KeyGenerator;<br />
import javax.crypto.SecretKey;<br />
public class Main {<br />
public static void main(String[] args) {<br />
if (args.length != 2) {<br />
String err = "Usage: KeyGeneratorApp algorithmName keySize";<br />
System.out.println(err);<br />
System.exit(0);<br />
}<br />
int keySize = (new Integer(args[1])).intValue();<br />
SecretKey skey = null;<br />
KeyPair keys = null;<br />
String algorithm = args[0];<br />
try {<br />
KeyPairGenerator kpg = KeyPairGenerator.getInstance(algorithm);<br />
kpg.initialize(keySize);<br />
keys = kpg.genKeyPair();<br />
} catch (NoSuchAlgorithmException ex1) {<br />
try {<br />
KeyGenerator kg = KeyGenerator.getInstance(algorithm);<br />
kg.init(keySize);<br />
skey = kg.generateKey();<br />
} catch (NoSuchAlgorithmException ex2) {<br />
System.out.println("Algorithm not supported: " + algorithm);<br />
System.exit(0);<br />
}<br />
}<br />
}<br />
}<br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --><br />
<br />
<br />
<br />
<br />
<br />
== KeyPairGenerator: getInstance(String algorithm) throws NoSuchAlgorithmException ==<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
import java.security.KeyPair;<br />
import java.security.KeyPairGenerator;<br />
import java.security.NoSuchAlgorithmException;<br />
import javax.crypto.KeyGenerator;<br />
import javax.crypto.SecretKey;<br />
public class Main {<br />
public static void main(String[] args) {<br />
if (args.length != 2) {<br />
String err = "Usage: KeyGeneratorApp algorithmName keySize";<br />
System.out.println(err);<br />
System.exit(0);<br />
}<br />
int keySize = (new Integer(args[1])).intValue();<br />
SecretKey skey = null;<br />
KeyPair keys = null;<br />
String algorithm = args[0];<br />
try {<br />
KeyPairGenerator kpg = KeyPairGenerator.getInstance(algorithm);<br />
kpg.initialize(keySize);<br />
keys = kpg.genKeyPair();<br />
} catch (NoSuchAlgorithmException ex1) {<br />
try {<br />
KeyGenerator kg = KeyGenerator.getInstance(algorithm);<br />
kg.init(keySize);<br />
skey = kg.generateKey();<br />
} catch (NoSuchAlgorithmException ex2) {<br />
System.out.println("Algorithm not supported: " + algorithm);<br />
System.exit(0);<br />
}<br />
}<br />
}<br />
}<br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --><br />
<br />
<br />
<br />
<br />
<br />
== KeyPairGenerator: initialize(int keysize) ==<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="java"><br />
<br />
import java.security.KeyPair;<br />
import java.security.KeyPairGenerator;<br />
import java.security.NoSuchAlgorithmException;<br />
import javax.crypto.KeyGenerator;<br />
import javax.crypto.SecretKey;<br />
public class Main {<br />
public static void main(String[] args) {<br />
if (args.length != 2) {<br />
String err = "Usage: KeyGeneratorApp algorithmName keySize";<br />
System.out.println(err);<br />
System.exit(0);<br />
}<br />
int keySize = (new Integer(args[1])).intValue();<br />
SecretKey skey = null;<br />
KeyPair keys = null;<br />
String algorithm = args[0];<br />
try {<br />
KeyPairGenerator kpg = KeyPairGenerator.getInstance(algorithm);<br />
kpg.initialize(keySize);<br />
keys = kpg.genKeyPair();<br />
} catch (NoSuchAlgorithmException ex1) {<br />
try {<br />
KeyGenerator kg = KeyGenerator.getInstance(algorithm);<br />
kg.init(keySize);<br />
skey = kg.generateKey();<br />
} catch (NoSuchAlgorithmException ex2) {<br />
System.out.println("Algorithm not supported: " + algorithm);<br />
System.exit(0);<br />
}<br />
}<br />
}<br />
}<br />
<br />
<br />
</source><br />
<br />
<br />
<!-- end source code --></div>
Admin