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		<id>http://www.jexp.ru/index.php?action=history&amp;feed=atom&amp;title=Java%2FSecurity%2FSecure_Random</id>
		<title>Java/Security/Secure Random - История изменений</title>
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		<updated>2026-04-21T20:34:15Z</updated>
		<subtitle>История изменений этой страницы в вики</subtitle>
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	<entry>
		<id>http://www.jexp.ru/index.php?title=Java/Security/Secure_Random&amp;diff=7625&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-06-01T06:49:00Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Предыдущая&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 06:49, 1 июня 2010&lt;/td&gt;
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&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Admin</name></author>	</entry>

	<entry>
		<id>http://www.jexp.ru/index.php?title=Java/Security/Secure_Random&amp;diff=7624&amp;oldid=prev</id>
		<title> в 18:01, 31 мая 2010</title>
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				<updated>2010-05-31T18:01:45Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Generate Seed ==&lt;br /&gt;
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    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
  &lt;br /&gt;
import java.security.SecureRandom;&lt;br /&gt;
public class Main {&lt;br /&gt;
  public static void main(String[] argv) throws Exception {&lt;br /&gt;
    SecureRandom sr = SecureRandom.getInstance(&amp;quot;SHA1PRNG&amp;quot;);&lt;br /&gt;
    int seedByteCount = 10;&lt;br /&gt;
    byte[] seed = sr.generateSeed(seedByteCount);&lt;br /&gt;
  }&lt;br /&gt;
}&lt;br /&gt;
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== Generating a Secure Random Number ==&lt;br /&gt;
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    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
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import java.security.SecureRandom;&lt;br /&gt;
public class Main {&lt;br /&gt;
  public static void main(String[] argv) throws Exception {&lt;br /&gt;
    SecureRandom sr = SecureRandom.getInstance(&amp;quot;SHA1PRNG&amp;quot;);&lt;br /&gt;
    byte[] bytes = new byte[1024 / 8];&lt;br /&gt;
    sr.nextBytes(bytes);&lt;br /&gt;
  }&lt;br /&gt;
}&lt;br /&gt;
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  &amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
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== Secure Random: SHA1PRNG ==&lt;br /&gt;
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    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
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import java.security.SecureRandom;&lt;br /&gt;
import java.security.Security;&lt;br /&gt;
public class MainClass {&lt;br /&gt;
  public static void main(String args[]) throws Exception {&lt;br /&gt;
    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());&lt;br /&gt;
    SecureRandom rng = SecureRandom.getInstance(&amp;quot;SHA1PRNG&amp;quot;);&lt;br /&gt;
    rng.setSeed(711);&lt;br /&gt;
    int numberToGenerate = 999;&lt;br /&gt;
    byte randNumbers[] = new byte[numberToGenerate];&lt;br /&gt;
    rng.nextBytes(randNumbers);&lt;br /&gt;
    for(int j=0; j&amp;lt;numberToGenerate; j++) {&lt;br /&gt;
        System.out.print(randNumbers[j] + &amp;quot; &amp;quot;);&lt;br /&gt;
    }&lt;br /&gt;
  }&lt;br /&gt;
}&lt;br /&gt;
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  &amp;lt;/source&amp;gt;&lt;br /&gt;
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  &amp;lt;!-- end source code --&amp;gt;&lt;/div&gt;</summary>
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