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org.mozilla.jss.util
Interface PasswordCallback
- All Known Implementing Classes:
- ConsolePasswordCallback, FilePasswordCallback, NullPasswordCallback, Password
public interface PasswordCallback
Represents a password callback, which is called to login to the key database and to PKCS #11 tokens.
The simplest implementation of a PasswordCallback is a Password object.
- See Also:
Password
,NullPasswordCallback
,ConsolePasswordCallback
,CryptoManager.setPasswordCallback(org.mozilla.jss.util.PasswordCallback)
Nested Class Summary | |
---|---|
static class |
PasswordCallback.GiveUpException
This exception is thrown if the PasswordCallback
wants to stop guessing passwords. |
Method Summary | |
---|---|
Password |
getPasswordAgain(PasswordCallbackInfo info)
Tries supplying a password again. |
Password |
getPasswordFirstAttempt(PasswordCallbackInfo info)
Supplies a password. |
Method Detail |
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getPasswordFirstAttempt
Password getPasswordFirstAttempt(PasswordCallbackInfo info) throws PasswordCallback.GiveUpException
- Supplies a password. This is called on the first attempt; if it
returns the wrong password,
getPasswordAgain
will be called on subsequent attempts.- Parameters:
info
- Information about the token that is being logged into.- Returns:
- The password. This password object is owned by and will be cleared by the caller.
- Throws:
PasswordCallback.GiveUpException
- If the callback does not want to supply a password.
getPasswordAgain
Password getPasswordAgain(PasswordCallbackInfo info) throws PasswordCallback.GiveUpException
- Tries supplying a password again. This callback will be called if
the first callback returned an invalid password. It will be called
repeatedly until it returns a correct password, or it gives up by
throwing a
GiveUpException
.- Parameters:
info
- Information about the token that is being logged into.- Returns:
- The password. This password object is owned by and will be cleared by the caller.
- Throws:
PasswordCallback.GiveUpException
- If the callback does not want to supply a password. This may often be the case if the first attempt failed.
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