Please note that this translation of the specification is the result of a java.net community project ( https://jdk5-api-pt-br.dev.java.net/ ). The official version of the specification is the US English language version which can be found at http://java.sun.com/j2se/1.5.0/docs/api/. In case of disputes, the authoritative version of the specification is the original, English document.
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JavaTM 2 Platform Standard Ed. 5.0 |
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java.lang.Objectjavax.crypto.Cipher
javax.crypto.NullCipher
public class NullCipher
A classe NullCipher é uma classe que fornece uma "cifra identidade" -- uma que não transforma o texto em claro. Conseqüentemente, o texto cifrado é idêntico ao texto em claro. Todos os métodos de inicialização nada fazem, e o tamanho do bloco é fixado em 1 byte.
| Field Summary |
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| Fields inherited from class javax.crypto.Cipher |
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DECRYPT_MODE, ENCRYPT_MODE, PRIVATE_KEY, PUBLIC_KEY, SECRET_KEY, UNWRAP_MODE, WRAP_MODE |
| Constructor Summary | |
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NullCipher()
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| Method Summary |
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| Methods inherited from class javax.crypto.Cipher |
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doFinal, doFinal, doFinal, doFinal, doFinal, doFinal, doFinal, getAlgorithm, getBlockSize, getExemptionMechanism, getInstance, getInstance, getInstance, getIV, getMaxAllowedKeyLength, getMaxAllowedParameterSpec, getOutputSize, getParameters, getProvider, init, init, init, init, init, init, init, init, unwrap, update, update, update, update, update, wrap |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public NullCipher()
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JavaTM 2 Platform Standard Ed. 5.0 |
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Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.
Copyright 2006 Sun Microsystems, Inc. Todos os direitos reservados. O uso está sujeito aos termos da licensa.