| Package | Description | 
|---|---|
| java.security | Provides the classes and interfaces for the security framework. | 
| Modifier and Type | Method and Description | 
|---|---|
| int | MessageDigest. digest(byte[] buf,
      int offset,
      int len)Completes the hash computation by performing final operations
 such as padding. | 
| protected int | MessageDigestSpi. engineDigest(byte[] buf,
            int offset,
            int len)Completes the hash computation by performing final
 operations such as padding. | 
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