org.norther.tammi.core.security
Interface MessageDigestFactory

All Superinterfaces:

ObjectFactory

All Known Implementing Classes:

DefaultMessageDigestFactory

public interface MessageDigestFactory
extends ObjectFactory

An interface to java.security.MessageDigest factories.

Author:

Ilkka Priha

Method Summary

String	decodeBase64(String string) Decodes a BASE64 string applying the UTF-8 encoding.
String	decodeBase64(String string, String encoding) Decodes a BASE64 string applying the specified encoding.
String	digest(String algorithm, String string) Computes a hash for the given string by applying platform's default encoding.
String	digest(String algorithm, String string, String encoding) Computes a hash for the given string applying the specified encoding.
String	digest(String algorithm, String salt, String string, String encoding) Computes a hash for the given string using the given salt and applying the specified encoding.
String	encodeBase64(String string) Encodes a BASE64 string applying the UTF-8 encoding.
String	encodeBase64(String string, String encoding) Encodes a BASE64 string applying the specified encoding.

Methods inherited from interface org.norther.tammi.core.base.ObjectFactory

getInstance, getInstance, getInstance, getInstance, isLoaderSupported

Method Detail

digest

String digest(String algorithm,
              String string)
              throws NoSuchAlgorithmException

Computes a hash for the given string by applying platform's default encoding.

Parameters:

algorithm - the digest algorithm.

string - the string to use.

Returns:

the BASE64 or MD5 encoded hash.

Throws:

NoSuchAlgorithmException - if the algorithm is unknown.

digest

String digest(String algorithm,
              String string,
              String encoding)
              throws NoSuchAlgorithmException

Computes a hash for the given string applying the specified encoding.

Parameters:

algorithm - the digest algorithm.

string - the string to use.

encoding - the character encoding.

Returns:

the BASE64 or MD5 encoded hash.

Throws:

NoSuchAlgorithmException - if the algorithm is unknown.

digest

String digest(String algorithm,
              String salt,
              String string,
              String encoding)
              throws NoSuchAlgorithmException

Computes a hash for the given string using the given salt and applying the specified encoding.

Parameters:

algorithm - the digest algorithm.

salt - the salt to use.

string - the string to use.

encoding - the character encoding.

Returns:

the BASE64 or MD5 encoded hash.

Throws:

NoSuchAlgorithmException - if the algorithm is unknown.

encodeBase64

String encodeBase64(String string)

Encodes a BASE64 string applying the UTF-8 encoding.

Parameters:

string - the string to encode.

Returns:

the encoded string.

encodeBase64

String encodeBase64(String string,
                    String encoding)

Encodes a BASE64 string applying the specified encoding.

Parameters:

string - the string to encode.

encoding - the character encoding.

Returns:

the encoded string.

decodeBase64

String decodeBase64(String string)

Decodes a BASE64 string applying the UTF-8 encoding.

Parameters:

string - the string to decode.

Returns:

the decoded string.

decodeBase64

String decodeBase64(String string,
                    String encoding)

Decodes a BASE64 string applying the specified encoding.

Parameters:

string - the string to decode.

encoding - the character encoding.

Returns:

the decoded string.