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Class jnfs.security.DSAAuthentication

java.lang.Object
   |
   +----jnfs.security.DSAAuthentication

public class DSAAuthentication

extends Object

implements Authentication

Version:

$Id: DSAAuthentication.java,v 1.37 1997/05/20 19:16:20 mjr Exp $

Author:

Michael John Radwin

DSAAuthentication(UserTable)

Contructs a new authentication manager with an empty user table.

generateChallenge(String)

Generates a new challenge for this user and records it.

generateToken(String)

Generates a new token for this user and records it.

revokeToken(Token)

Removes this Token from token.user()'s cache of tokens.

verifyResponse(Response)

Checks that this Response is a valid version of the issued Challenge.

verifyToken(Token)

Checks that this Token is among those in token.user()'s cache of tokens.

 public DSAAuthentication(UserTable users)

Contructs a new authentication manager with an empty user table.

 public Challenge generateChallenge(String username) throws AuthenticationException

Generates a new challenge for this user and records it. The challenge should later be verified with a call to verifyResponse().

Throws: AuthenticationException

if user is not found in the user table.

See Also:

verifyResponse

 public Token generateToken(String username) throws AuthenticationException

Generates a new token for this user and records it. The challenge should later be verified with a call to verifyToken().

Throws: AuthenticationException

if user is not found in the user table.

See Also:

verifyToken

 public boolean revokeToken(Token token)

Removes this Token from token.user()'s cache of tokens.

 public boolean verifyToken(Token token)

Checks that this Token is among those in token.user()'s cache of tokens.

 public boolean verifyResponse(Response credentials)

Checks that this Response is a valid version of the issued Challenge.

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