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Java by API/javax.crypto/Mac - История изменений
2026-04-22T13:48:24Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_by_API/javax.crypto/Mac&diff=2576&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:48Z
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<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>
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http://www.jexp.ru/index.php?title=Java_by_API/javax.crypto/Mac&diff=2577&oldid=prev
Admin: 1 версия
2010-05-31T14:47:43Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== Mac: getInstance(String algorithm) throws NoSuchAlgorithmException ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import javax.crypto.Mac;<br />
import javax.crypto.spec.SecretKeySpec;<br />
public class MainClass {<br />
public static void main(String args[]) throws Exception {<br />
SecretKeySpec k = new SecretKeySpec("1234".getBytes(), "HMACSHA1");<br />
Mac m = Mac.getInstance("HmacMD5");<br />
m.init(k);<br />
m.update("test".getBytes("UTF8"));<br />
byte s[] = m.doFinal();<br />
for (int i = 0; i < s.length; i++) {<br />
System.out.print( Integer.toHexString((0x000000ff & s[i]) | 0xffffff00).substring(6));<br />
}<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== Mac: init(Key key) throws InvalidKeyException ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import javax.crypto.Mac;<br />
import javax.crypto.spec.SecretKeySpec;<br />
public class MainClass {<br />
public static void main(String args[]) throws Exception {<br />
SecretKeySpec k = new SecretKeySpec("1234".getBytes(), "HMACSHA1");<br />
Mac m = Mac.getInstance("HmacMD5");<br />
m.init(k);<br />
m.update("test".getBytes("UTF8"));<br />
byte s[] = m.doFinal();<br />
for (int i = 0; i < s.length; i++) {<br />
System.out.print( Integer.toHexString((0x000000ff & s[i]) | 0xffffff00).substring(6));<br />
}<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== Mac: update(byte[] input) throws IllegalStateException ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
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import javax.crypto.Mac;<br />
import javax.crypto.spec.SecretKeySpec;<br />
public class MainClass {<br />
public static void main(String args[]) throws Exception {<br />
SecretKeySpec k = new SecretKeySpec("1234".getBytes(), "HMACSHA1");<br />
Mac m = Mac.getInstance("HmacMD5");<br />
m.init(k);<br />
m.update("test".getBytes("UTF8"));<br />
byte s[] = m.doFinal();<br />
for (int i = 0; i < s.length; i++) {<br />
System.out.print( Integer.toHexString((0x000000ff & s[i]) | 0xffffff00).substring(6));<br />
}<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --></div>
Admin