diff options
Diffstat (limited to 'libjava/classpath/gnu/java/security/jce/hash/MessageDigestAdapter.java')
| -rw-r--r-- | libjava/classpath/gnu/java/security/jce/hash/MessageDigestAdapter.java | 50 |
1 files changed, 19 insertions, 31 deletions
diff --git a/libjava/classpath/gnu/java/security/jce/hash/MessageDigestAdapter.java b/libjava/classpath/gnu/java/security/jce/hash/MessageDigestAdapter.java index e30beca3df3..7342ee55123 100644 --- a/libjava/classpath/gnu/java/security/jce/hash/MessageDigestAdapter.java +++ b/libjava/classpath/gnu/java/security/jce/hash/MessageDigestAdapter.java @@ -46,35 +46,30 @@ import java.security.MessageDigestSpi; /** * The implementation of a generic {@link java.security.MessageDigest} adapter - * class to wrap gnu.crypto hash instances.<p> - * - * This class defines the <i>Service Provider Interface</i> (<b>SPI</b>) for the - * {@link java.security.MessageDigest} class, which provides the functionality - * of a message digest algorithm, such as MD5 or SHA. Message digests are secure - * one-way hash functions that take arbitrary-sized data and output a fixed- - * length hash value.<p> - * - * All the abstract methods in the {@link java.security.MessageDigestSpi} class - * are implemented by this class and all its sub-classes.<p> - * + * class to wrap GNU hash instances. + * <p> + * This class defines the <i>Service Provider Interface</i> (<b>SPI</b>) for + * the {@link java.security.MessageDigest} class, which provides the + * functionality of a message digest algorithm, such as MD5 or SHA. Message + * digests are secure one-way hash functions that take arbitrary-sized data and + * output a fixed-length hash value. + * <p> + * All the abstract methods in the {@link MessageDigestSpi} class are + * implemented by this class and all its sub-classes. + * <p> * All the implementations which subclass this object, and which are serviced by - * the GNU Crypto provider implement the {@link java.lang.Cloneable} interface.<p> + * the GNU provider implement the {@link Cloneable} interface. */ -class MessageDigestAdapter extends MessageDigestSpi implements Cloneable +class MessageDigestAdapter + extends MessageDigestSpi + implements Cloneable { - - // Constants and variables - // ------------------------------------------------------------------------- - /** Our underlying hash instance. */ private IMessageDigest adaptee; - // Constructor(s) - // ------------------------------------------------------------------------- - /** * Trivial protected constructor. - * + * * @param mdName the canonical name of the hash algorithm. */ protected MessageDigestAdapter(String mdName) @@ -84,7 +79,7 @@ class MessageDigestAdapter extends MessageDigestSpi implements Cloneable /** * Private constructor for cloning purposes. - * + * * @param adaptee a clone of the underlying hash algorithm instance. */ private MessageDigestAdapter(IMessageDigest adaptee) @@ -94,12 +89,6 @@ class MessageDigestAdapter extends MessageDigestSpi implements Cloneable this.adaptee = adaptee; } - // Class methods - // ------------------------------------------------------------------------- - - // java.security.MessageDigestSpi interface implementation - // ------------------------------------------------------------------------- - public Object clone() { return new MessageDigestAdapter((IMessageDigest) adaptee.clone()); @@ -130,9 +119,8 @@ class MessageDigestAdapter extends MessageDigestSpi implements Cloneable { int result = adaptee.hashSize(); if (len < result) - { - throw new DigestException(); - } + throw new DigestException(); + byte[] md = adaptee.digest(); System.arraycopy(md, 0, buf, offset, result); return result; |
