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| <h2 title="Interface CryptoAlgorithm" class="title">Interface CryptoAlgorithm</h2> |
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| <pre>public interface <a href="../../../../src-html/org/apache/fulcrum/crypto/CryptoAlgorithm.html#line.31">CryptoAlgorithm</a></pre> |
| <div class="block">This interface describes the various Crypto Algorithms that are |
| handed out by the Crypto Service.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Version:</span></dt> |
| <dd>$Id$</dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd><a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a></dd> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
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| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#encrypt(java.lang.String)">encrypt</a></span>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Performs the actual encryption.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setCipher(java.lang.String)">setCipher</a></span>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> cipher)</code></th> |
| <td class="colLast"> |
| <div class="block">Algorithms that perform multiple ciphers get told |
| with setCipher, which cipher to use.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setSeed(java.lang.String)">setSeed</a></span>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> salt)</code></th> |
| <td class="colLast"> |
| <div class="block">Allows the user to set a salt value whenever the |
| algorithm is used.</div> |
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| <h4>setSeed</h4> |
| <pre class="methodSignature">void <a href="../../../../src-html/org/apache/fulcrum/crypto/CryptoAlgorithm.html#line.48">setSeed</a>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> salt)</pre> |
| <div class="block">Allows the user to set a salt value whenever the |
| algorithm is used. Setting a new salt should invalidate |
| all internal state of this object. |
| <p> |
| Algorithms that do not use a salt are allowed to ignore |
| this parameter. |
| <p> |
| Algorithms must be able to deal with the null value as salt. |
| They should treat it as "use a random salt".</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>salt</code> - The salt value</dd> |
| </dl> |
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| <h4>encrypt</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> <a href="../../../../src-html/org/apache/fulcrum/crypto/CryptoAlgorithm.html#line.62">encrypt</a>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> value) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></pre> |
| <div class="block">Performs the actual encryption.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>value</code> - The value to be encrypted</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The encrypted value</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></code> - various errors from the underlying ciphers. |
| The caller should catch them and report accordingly.</dd> |
| </dl> |
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| <h4>setCipher</h4> |
| <pre class="methodSignature">void <a href="../../../../src-html/org/apache/fulcrum/crypto/CryptoAlgorithm.html#line.81">setCipher</a>​(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> cipher)</pre> |
| <div class="block">Algorithms that perform multiple ciphers get told |
| with setCipher, which cipher to use. This should be |
| called before any other method call. |
| |
| If called after any call to encrypt or setSeed, the |
| CryptoAlgorithm may choose to ignore this or to reset |
| and use the new cipher. |
| |
| If any other call is used before this, the algorithm |
| should use a default cipher and not throw an error.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cipher</code> - The cipher to use.</dd> |
| </dl> |
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