All Known Implementing Classes:

PKCS11Implementation
```
public interface PKCS11
```
If the underlying PKCS#11 function returns CK_OK, the method returns normally. If the return value of the underlying function is not CK_OK, it throws PKCS11Exception with the return value as error code.

Author:

Karl Scheibelhofer (SIC)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`C_CancelFunction(long hSession)`	C_CancelFunction is a legacy function; it cancels a function running in parallel.
`void`	`C_CloseAllSessions(long slotID)`	C_CloseAllSessions closes all sessions with a token.
`void`	`C_CloseSession(long hSession)`	C_CloseSession closes a session between an application and a token.
`long`	`C_CopyObject(long hSession, long hObject, CK_ATTRIBUTE[] pTemplate, boolean useUtf8)`	C_CopyObject copies an object, creating a new object for the copy.
`long`	`C_CreateObject(long hSession, CK_ATTRIBUTE[] pTemplate, boolean useUtf8)`	C_CreateObject creates a new object.
`byte[]`	`C_Decrypt(long hSession, byte[] pEncryptedData)`	C_Decrypt decrypts encrypted data in a single part.
`byte[]`	`C_DecryptDigestUpdate(long hSession, byte[] pEncryptedPart)`	C_DecryptDigestUpdate continues a multiple-part decryption and digesting operation.
`byte[]`	`C_DecryptFinal(long hSession)`	C_DecryptFinal finishes a multiple-part decryption operation.
`void`	`C_DecryptInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_DecryptInit initializes a decryption operation.
`byte[]`	`C_DecryptMessage(long hSession, Object pParameter, byte[] pAssociatedData, byte[] pCipherText, boolean useUtf8)`	C_DecryptMessage decrypts a message in a single part.
`void`	`C_DecryptMessageBegin(long hSession, Object pParameter, byte[] pAssociatedData, boolean useUtf8)`	C_DecryptMessageBegin begins a multiple-part message decryption operation.
`byte[]`	`C_DecryptMessageNext(long hSession, Object pParameter, byte[] pCipherTextPart, long flags, boolean useUtf8)`	C_DecryptMessageNext continues a multiple-part message decryption operation, processing another message part.
`byte[]`	`C_DecryptUpdate(long hSession, byte[] pEncryptedPart)`	C_DecryptUpdate continues a multiple-part decryption operation.
`byte[]`	`C_DecryptVerifyUpdate(long hSession, byte[] pEncryptedPart)`	C_DecryptVerifyUpdate continues a multiple-part decryption and verify operation.
`long`	`C_DeriveKey(long hSession, CK_MECHANISM pMechanism, long hBaseKey, CK_ATTRIBUTE[] pTemplate, boolean useUtf8)`	C_DeriveKey derives a key from a base key, creating a new key object.
`void`	`C_DestroyObject(long hSession, long hObject)`	C_DestroyObject destroys an object.
`byte[]`	`C_Digest(long hSession, byte[] data)`	C_Digest digests data in a single part.
`byte[]`	`C_DigestEncryptUpdate(long hSession, byte[] pPart)`	C_DigestEncryptUpdate continues a multiple-part digesting and encryption operation.
`byte[]`	`C_DigestFinal(long hSession)`	C_DigestFinal finishes a multiple-part message-digesting operation.
`void`	`C_DigestInit(long hSession, CK_MECHANISM pMechanism, boolean useUtf8)`	C_DigestInit initializes a message-digesting operation.
`void`	`C_DigestKey(long hSession, long hKey)`	C_DigestKey continues a multipart message-digesting operation, by digesting the value of a secret key as part of the data already digested.
`void`	`C_DigestUpdate(long hSession, byte[] pPart)`	C_DigestUpdate continues a multiple-part message-digesting operation.
`byte[]`	`C_Encrypt(long hSession, byte[] pData)`	C_Encrypt encrypts single-part data.
`byte[]`	`C_EncryptFinal(long hSession)`	C_EncryptFinal finishes a multiple-part encryption operation.
`void`	`C_EncryptInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_EncryptInit initializes an encryption operation.
`byte[]`	`C_EncryptMessage(long hSession, Object pParameter, byte[] pAssociatedData, byte[] pPlainText, boolean useUtf8)`	C_EncryptMessage encrypts a message in a single part.
`void`	`C_EncryptMessageBegin(long hSession, Object pParameter, byte[] pAssociatedData, boolean useUtf8)`	C_EncryptMessageBegin begins a multiple-part message encryption operation.
`byte[]`	`C_EncryptMessageNext(long hSession, Object pParameter, byte[] pPlainTextPart, long flags, boolean useUtf8)`	C_EncryptMessageNext continues a multiple-part message encryption operation, processing another message part.
`byte[]`	`C_EncryptUpdate(long hSession, byte[] pPart)`	C_EncryptUpdate continues a multiple-part encryption operation.
`void`	`C_Finalize(Object pReserved)`	C_Finalize indicates that an application is done with the Cryptoki library (General-purpose).
`long[]`	`C_FindObjects(long hSession, long ulMaxObjectCount)`	C_FindObjects continues a search for token and session objects that match a template, obtaining additional object handles.
`void`	`C_FindObjectsFinal(long hSession)`	C_FindObjectsFinal finishes a search for token and session objects.
`void`	`C_FindObjectsInit(long hSession, CK_ATTRIBUTE[] pTemplate, boolean useUtf8)`	C_FindObjectsInit initializes a search for token and session objects that match a template.
`long`	`C_GenerateKey(long hSession, CK_MECHANISM pMechanism, CK_ATTRIBUTE[] pTemplate, boolean useUtf8)`	C_GenerateKey generates a secret key, creating a new key object.
`long[]`	`C_GenerateKeyPair(long hSession, CK_MECHANISM pMechanism, CK_ATTRIBUTE[] pPublicKeyTemplate, CK_ATTRIBUTE[] pPrivateKeyTemplate, boolean useUtf8)`	C_GenerateKeyPair generates a native-key/private-key pair, creating new key objects.
`void`	`C_GenerateRandom(long hSession, byte[] randomData)`	C_GenerateRandom generates random data.
`void`	`C_GetAttributeValue(long hSession, long hObject, CK_ATTRIBUTE[] pTemplate, boolean useUtf8)`	C_GetAttributeValue obtains the value of one or more object attributes.
`void`	`C_GetFunctionStatus(long hSession)`	C_GetFunctionStatus is a legacy function; it obtains an updated status of a function running in parallel with an application.
`CK_INFO`	`C_GetInfo()`	C_GetInfo returns general information about Cryptoki.
`CK_MECHANISM_INFO`	`C_GetMechanismInfo(long slotID, long type)`	C_GetMechanismInfo obtains information about a particular mechanism possibly supported by a token.
`long[]`	`C_GetMechanismList(long slotID)`	C_GetMechanismList obtains a list of mechanism types supported by a token.
`long`	`C_GetObjectSize(long hSession, long hObject)`	C_GetObjectSize gets the size of an object in bytes.
`byte[]`	`C_GetOperationState(long hSession)`	C_GetOperationState obtains the state of the cryptographic operation in a session.
`CK_SESSION_INFO`	`C_GetSessionInfo(long hSession)`	C_GetSessionInfo obtains information about the session.
`CK_SLOT_INFO`	`C_GetSlotInfo(long slotID)`	C_GetSlotInfo obtains information about a particular slot in the system.
`long[]`	`C_GetSlotList(boolean tokenPresent)`	C_GetSlotList obtains a list of slots in the system.
`CK_TOKEN_INFO`	`C_GetTokenInfo(long slotID)`	C_GetTokenInfo obtains information about a particular token in the system.
`void`	`C_Initialize(Object pInitArgs, boolean useUtf8)`	C_Initialize initializes the Cryptoki library.
`void`	`C_InitPIN(long hSession, char[] pPin, boolean useUtf8)`	C_InitPIN initializes the normal user's PIN.
`void`	`C_InitToken(long slotID, char[] pPin, char[] pLabel, boolean useUtf8)`	C_InitToken initializes a token.
`void`	`C_Login(long hSession, long userType, char[] pPin, boolean useUtf8)`	C_Login logs a user into a token.
`void`	`C_LoginUser(long hSession, long userType, char[] pPin, char[] pUsername, boolean useUtf8)`	C_LoginUser logs a user into a token.
`void`	`C_Logout(long hSession)`	C_Logout logs a user out from a token.
`void`	`C_MessageDecryptFinal(long hSession)`	C_MessageDecryptFinal finishes a message-based Decryption process.
`void`	`C_MessageDecryptInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_MessageDecryptInit initializes a decryption operation for Messages.
`void`	`C_MessageEncryptFinal(long hSession)`	C_MessageEncryptFinal finishes a message-based encryption process.
`void`	`C_MessageEncryptInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_MessageEncryptInit initializes an encryption operation for Messages.
`void`	`C_MessageSignFinal(long hSession)`	C_MessageSignFinal finishes a message-based Sign process.
`void`	`C_MessageSignInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_MessageSignInit initializes a Message Sign operation.
`void`	`C_MessageVerifyFinal(long hSession)`	C_MessageSignFinal finishes a message-based Sign process.
`void`	`C_MessageVerifyInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_MessageVerifyInit initializes a message-based verification process, preparing a session for one or more verification operations that use the same verification mechanism and verification key.
`long`	`C_OpenSession(long slotID, long flags, Object pApplication, CK_NOTIFY Notify)`	C_OpenSession opens a session between an application and a token.
`void`	`C_SeedRandom(long hSession, byte[] pSeed)`	C_SeedRandom mixes additional seed material into the token's random number generator.
`void`	`C_SessionCancel(long hSession, long flags)`	C_SessionCancel terminates active session based operations (Session management).
`void`	`C_SetAttributeValue(long hSession, long hObject, CK_ATTRIBUTE[] pTemplate, boolean useUtf8)`	C_SetAttributeValue modifies the value of one or more object attributes (Object management).
`void`	`C_SetOperationState(long hSession, byte[] pOperationState, long hEncryptionKey, long hAuthenticationKey)`	C_SetOperationState restores the state of the cryptographic operation in a session.
`void`	`C_SetPIN(long hSession, char[] pOldPin, char[] pNewPin, boolean useUtf8)`	C_SetPIN modifies the PIN of the user who is logged in.
`byte[]`	`C_Sign(long hSession, byte[] pData)`	C_Sign signs (encrypts with private key) data in a single part, where the signature is (will be) an appendix to the data, and plaintext cannot be recovered from the signature.
`byte[]`	`C_SignEncryptUpdate(long hSession, byte[] pPart)`	C_SignEncryptUpdate continues a multiple-part Sign and encryption operation.
`byte[]`	`C_SignFinal(long hSession)`	C_SignFinal finishes a multiple-part signature operation, returning the signature.
`void`	`C_SignInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_SignInit initializes a signature (private key encryption) operation, where the signature is (will be) an appendix to the data, and plaintext cannot be recovered from the signature.
`byte[]`	`C_SignMessage(long hSession, Object pParameter, byte[] pData, boolean useUtf8)`	C_SignMessage signs a message in a single part, where the signature is an appendix to the message.
`void`	`C_SignMessageBegin(long hSession, Object pParameter, boolean useUtf8)`	C_SignMessageBegin begins a multiple-part message signature operation, where the signature is an appendix to the message.
`byte[]`	`C_SignMessageNext(long hSession, Object pParameter, byte[] pData, boolean isLastOperation, boolean useUtf8)`	C_SignMessageNext continues a multiple-part message signature operation, processing another data part, or finishes a multiple-part message signature operation, returning the signature.
`byte[]`	`C_SignRecover(long hSession, byte[] pData)`	C_SignRecover signs data in a single operation, where the data can be recovered from the signature.
`void`	`C_SignRecoverInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_SignRecoverInit initializes a signature operation, where the data can be recovered from the signature.
`void`	`C_SignUpdate(long hSession, byte[] pPart)`	C_SignUpdate continues a multiple-part signature operation, where the signature is (will be) an appendix to the data, and plaintext cannot be recovered from the signature.
`long`	`C_UnwrapKey(long hSession, CK_MECHANISM pMechanism, long hUnwrappingKey, byte[] pWrappedKey, CK_ATTRIBUTE[] pTemplate, boolean useUtf8)`	C_UnwrapKey unwraps (decrypts) a wrapped key, creating a new key object.
`void`	`C_Verify(long hSession, byte[] pData, byte[] pSignature)`	C_Verify verifies a signature in a single-part operation, where the signature is an appendix to the data, and plaintext cannot be recovered from the signature.
`void`	`C_VerifyFinal(long hSession, byte[] pSignature)`	C_VerifyFinal finishes a multiple-part verification operation, checking the signature.
`void`	`C_VerifyInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_VerifyInit initializes a verification operation, where the signature is an appendix to the data, and plaintext cannot be recovered from the signature (e.g.
`void`	`C_VerifyMessage(long hSession, Object pParameter, byte[] pData, byte[] pSignature, boolean useUtf8)`	C_VerifyMessage verifies a signature on a message in a single part operation.
`void`	`C_VerifyMessageBegin(long hSession, Object pParameter, boolean useUtf8)`	C_VerifyMessageBegin begins a multiple-part message verification operation.
`void`	`C_VerifyMessageNext(long hSession, Object pParameter, byte[] pData, byte[] pSignature, boolean useUtf8)`
`byte[]`	`C_VerifyRecover(long hSession, byte[] pSignature)`	C_VerifyRecover verifies a signature in a single-part operation, where the data is recovered from the signature.
`void`	`C_VerifyRecoverInit(long hSession, CK_MECHANISM pMechanism, long hKey, boolean useUtf8)`	C_VerifyRecoverInit initializes a signature verification operation, where the data is recovered from the signature.
`void`	`C_VerifyUpdate(long hSession, byte[] pPart)`	C_VerifyUpdate continues a multiple-part verification operation, where the signature is an appendix to the data, and plaintext cannot be recovered from the signature.
`long`	`C_WaitForSlotEvent(long flags, Object pReserved)`	C_WaitForSlotEvent waits for a slot event (token insertion, removal, etc.) to occur.
`byte[]`	`C_WrapKey(long hSession, CK_MECHANISM pMechanism, long hWrappingKey, long hKey, boolean useUtf8)`	C_WrapKey wraps (i.e., encrypts) a key.
`void`	`finalize()`	This method can be used to clean up this object.
`boolean`	`isDisableBufferPreAllocation()`

- Method Detail
  - C_Initialize
```
void C_Initialize(Object pInitArgs,
                  boolean useUtf8)
           throws PKCS11Exception
```
    C_Initialize initializes the Cryptoki library. (General-purpose)
    
    Parameters:
    
    pInitArgs - if pInitArgs is not NULL it gets cast to CK_C_INITIALIZE_ARGS_PTR and dereferenced (PKCS#11 param: CK_VOID_PTR pInitArgs)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_Finalize
```
void C_Finalize(Object pReserved)
         throws PKCS11Exception
```
    C_Finalize indicates that an application is done with the Cryptoki library (General-purpose).
    
    Parameters:
    
    pReserved - is reserved. Should be NULL_PTR (PKCS#11 param: CK_VOID_PTR pReserved)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetInfo
```
CK_INFO C_GetInfo()
           throws PKCS11Exception
```
    C_GetInfo returns general information about Cryptoki. (General-purpose)
    
    Returns:
    
    the information. (PKCS#11 param: CK_INFO_PTR pInfo)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetSlotList
```
long[] C_GetSlotList(boolean tokenPresent)
              throws PKCS11Exception
```
    C_GetSlotList obtains a list of slots in the system. (Slot and token management)
    
    Parameters:
    
    tokenPresent - if true only Slot IDs with a token are returned (PKCS#11 param: CK_BBOOL tokenPresent)
    
    Returns:
    
    a long array of slot IDs and number of Slot IDs (PKCS#11 param: CK_SLOT_ID_PTR pSlotList, CK_ULONG_PTR pulCount)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetSlotInfo
```
CK_SLOT_INFO C_GetSlotInfo(long slotID)
                    throws PKCS11Exception
```
    C_GetSlotInfo obtains information about a particular slot in the system. (Slot and token management)
    
    Parameters:
    
    slotID - the ID of the slot (PKCS#11 param: CK_SLOT_ID slotID)
    
    Returns:
    
    the slot information (PKCS#11 param: CK_SLOT_INFO_PTR pInfo)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetTokenInfo
```
CK_TOKEN_INFO C_GetTokenInfo(long slotID)
                      throws PKCS11Exception
```
    C_GetTokenInfo obtains information about a particular token in the system. (Slot and token management)
    
    Parameters:
    
    slotID - ID of the token's slot (PKCS#11 param: CK_SLOT_ID slotID)
    
    Returns:
    
    the token information (PKCS#11 param: CK_TOKEN_INFO_PTR pInfo)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetMechanismList
```
long[] C_GetMechanismList(long slotID)
                   throws PKCS11Exception
```
    C_GetMechanismList obtains a list of mechanism types supported by a token. (Slot and token management)
    
    Parameters:
    
    slotID - ID of the token's slot (PKCS#11 param: CK_SLOT_ID slotID)
    
    Returns:
    
    a long array of mechanism types and number of mechanism types (PKCS#11 param: CK_MECHANISM_TYPE_PTR pMechanismList, CK_ULONG_PTR pulCount)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetMechanismInfo
```
CK_MECHANISM_INFO C_GetMechanismInfo(long slotID,
                                     long type)
                              throws PKCS11Exception
```
    C_GetMechanismInfo obtains information about a particular mechanism possibly supported by a token. (Slot and token management)
    
    Parameters:
    
    slotID - ID of the token's slot (PKCS#11 param: CK_SLOT_ID slotID)
    
    type - type of mechanism (PKCS#11 param: CK_MECHANISM_TYPE type)
    
    Returns:
    
    the mechanism info (PKCS#11 param: CK_MECHANISM_INFO_PTR pInfo)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_InitToken
```
void C_InitToken(long slotID,
                 char[] pPin,
                 char[] pLabel,
                 boolean useUtf8)
          throws PKCS11Exception
```
    C_InitToken initializes a token. (Slot and token management)
    
    Parameters:
    
    slotID - ID of the token's slot (PKCS#11 param: CK_SLOT_ID slotID)
    
    pPin - the so's initial PIN and the length in bytes of the PIN (PKCS#11 param: CK_CHAR_PTR pPin, CK_ULONG ulPinLen)
    
    pLabel - 32-byte token label (blank padded) (PKCS#11 param: CK_UTF8CHAR_PTR pLabel)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_InitPIN
```
void C_InitPIN(long hSession,
               char[] pPin,
               boolean useUtf8)
        throws PKCS11Exception
```
    C_InitPIN initializes the normal user's PIN. (Slot and token management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pPin - the normal user's PIN and the length in bytes of the PIN (PKCS#11 param: CK_CHAR_PTR pPin, CK_ULONG ulPinLen)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SetPIN
```
void C_SetPIN(long hSession,
              char[] pOldPin,
              char[] pNewPin,
              boolean useUtf8)
       throws PKCS11Exception
```
    C_SetPIN modifies the PIN of the user who is logged in. (Slot and token management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pOldPin - the old PIN and the length of the old PIN (PKCS#11 param: CK_CHAR_PTR pOldPin, CK_ULONG ulOldLen)
    
    pNewPin - the new PIN and the length of the new PIN (PKCS#11 param: CK_CHAR_PTR pNewPin, CK_ULONG ulNewLen)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_OpenSession
```
long C_OpenSession(long slotID,
                   long flags,
                   Object pApplication,
                   CK_NOTIFY Notify)
            throws PKCS11Exception
```
    C_OpenSession opens a session between an application and a token. (Session management)
    
    Parameters:
    
    slotID - the slot's ID (PKCS#11 param: CK_SLOT_ID slotID)
    
    flags - of CK_SESSION_INFO (PKCS#11 param: CK_FLAGS flags)
    
    pApplication - passed to callback (PKCS#11 param: CK_VOID_PTR pApplication)
    
    Notify - the callback function (PKCS#11 param: CK_NOTIFY Notify)
    
    Returns:
    
    the session handle (PKCS#11 param: CK_SESSION_HANDLE_PTR phSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_CloseSession
```
void C_CloseSession(long hSession)
             throws PKCS11Exception
```
    C_CloseSession closes a session between an application and a token. (Session management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_CloseAllSessions
```
void C_CloseAllSessions(long slotID)
                 throws PKCS11Exception
```
    C_CloseAllSessions closes all sessions with a token. (Session management)
    
    Parameters:
    
    slotID - the ID of the token's slot (PKCS#11 param: CK_SLOT_ID slotID)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetSessionInfo
```
CK_SESSION_INFO C_GetSessionInfo(long hSession)
                          throws PKCS11Exception
```
    C_GetSessionInfo obtains information about the session. (Session management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Returns:
    
    the session info (PKCS#11 param: CK_SESSION_INFO_PTR pInfo)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SessionCancel
```
void C_SessionCancel(long hSession,
                     long flags)
              throws PKCS11Exception
```
    C_SessionCancel terminates active session based operations (Session management).
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    flags - indicates which operations should be cancelled (PKCS#11 param: CK_FLAGS)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetOperationState
```
byte[] C_GetOperationState(long hSession)
                    throws PKCS11Exception
```
    C_GetOperationState obtains the state of the cryptographic operation in a session. (Session management)
    
    Parameters:
    
    hSession - session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Returns:
    
    the state and the state length (PKCS#11 param: CK_BYTE_PTR pOperationState, CK_ULONG_PTR pulOperationStateLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SetOperationState
```
void C_SetOperationState(long hSession,
                         byte[] pOperationState,
                         long hEncryptionKey,
                         long hAuthenticationKey)
                  throws PKCS11Exception
```
    C_SetOperationState restores the state of the cryptographic operation in a session. (Session management)
    
    Parameters:
    
    hSession - session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pOperationState - the state and the state length (PKCS#11 param: CK_BYTE_PTR pOperationState, CK_ULONG ulOperationStateLen)
    
    hEncryptionKey - en/decryption key (PKCS#11 param: CK_OBJECT_HANDLE hEncryptionKey)
    
    hAuthenticationKey - sign/verify key (PKCS#11 param: CK_OBJECT_HANDLE hAuthenticationKey)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_Login
```
void C_Login(long hSession,
             long userType,
             char[] pPin,
             boolean useUtf8)
      throws PKCS11Exception
```
    C_Login logs a user into a token. (Session management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    userType - the user type (PKCS#11 param: CK_USER_TYPE userType)
    
    pPin - the user's PIN and the length of the PIN (PKCS#11 param: CK_CHAR_PTR pPin, CK_ULONG ulPinLen)
    
    useUtf8 - if pin should be changed from ASCII to UTF8 encoding in case of incorrect pin
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_LoginUser
```
void C_LoginUser(long hSession,
                 long userType,
                 char[] pPin,
                 char[] pUsername,
                 boolean useUtf8)
          throws PKCS11Exception
```
    C_LoginUser logs a user into a token. (Session management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    userType - the user type (PKCS#11 param: CK_USER_TYPE userType)
    
    pPin - the user's PIN and the length of the PIN (PKCS#11 param: CK_CHAR_PTR pPin, CK_ULONG ulPinLen)
    
    pUsername - the username and the length of the username (PKCS#11 param: CK_CHAR_PTR pUsername, CK_ULONG ulUsernameLen
    
    useUtf8 - if pin should be changed from ASCII to UTF8 encoding in case of incorrect pin
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_Logout
```
void C_Logout(long hSession)
       throws PKCS11Exception
```
    C_Logout logs a user out from a token. (Session management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_CreateObject
```
long C_CreateObject(long hSession,
                    CK_ATTRIBUTE[] pTemplate,
                    boolean useUtf8)
             throws PKCS11Exception
```
    C_CreateObject creates a new object. (Object management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pTemplate - the object's template and number of attributes in template (PKCS#11 param: CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the object's handle (PKCS#11 param: CK_OBJECT_HANDLE_PTR phObject)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_CopyObject
```
long C_CopyObject(long hSession,
                  long hObject,
                  CK_ATTRIBUTE[] pTemplate,
                  boolean useUtf8)
           throws PKCS11Exception
```
    C_CopyObject copies an object, creating a new object for the copy. (Object management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    hObject - the object's handle (PKCS#11 param: CK_OBJECT_HANDLE hObject)
    
    pTemplate - the template for the new object and number of attributes in template (PKCS#11 param: CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the handle of the copy (PKCS#11 param: CK_OBJECT_HANDLE_PTR phNewObject)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DestroyObject
```
void C_DestroyObject(long hSession,
                     long hObject)
              throws PKCS11Exception
```
    C_DestroyObject destroys an object. (Object management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    hObject - the object's handle (PKCS#11 param: CK_OBJECT_HANDLE hObject)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetObjectSize
```
long C_GetObjectSize(long hSession,
                     long hObject)
              throws PKCS11Exception
```
    C_GetObjectSize gets the size of an object in bytes. (Object management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    hObject - the object's handle (PKCS#11 param: CK_OBJECT_HANDLE hObject)
    
    Returns:
    
    the size of the object (PKCS#11 param: CK_ULONG_PTR pulSize)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetAttributeValue
```
void C_GetAttributeValue(long hSession,
                         long hObject,
                         CK_ATTRIBUTE[] pTemplate,
                         boolean useUtf8)
                  throws PKCS11Exception
```
    C_GetAttributeValue obtains the value of one or more object attributes. The template attributes also receive the values. (Object management) note: in PKCS#11 pTemplate and the result template are the same
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    hObject - the object's handle (PKCS#11 param: CK_OBJECT_HANDLE hObject)
    
    pTemplate - Specifies the attributes and number of attributes to get. The template attributes also receive the values. (PKCS#11 param: CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SetAttributeValue
```
void C_SetAttributeValue(long hSession,
                         long hObject,
                         CK_ATTRIBUTE[] pTemplate,
                         boolean useUtf8)
                  throws PKCS11Exception
```
    C_SetAttributeValue modifies the value of one or more object attributes (Object management).
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    hObject - the object's handle (PKCS#11 param: CK_OBJECT_HANDLE hObject)
    
    pTemplate - specifies the attributes and values to get; number of attributes in the template (PKCS#11 param: CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_FindObjectsInit
```
void C_FindObjectsInit(long hSession,
                       CK_ATTRIBUTE[] pTemplate,
                       boolean useUtf8)
                throws PKCS11Exception
```
    C_FindObjectsInit initializes a search for token and session objects that match a template. (Object management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pTemplate - the object's attribute values to match and the number of attributes in search template (PKCS#11 param: CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_FindObjects
```
long[] C_FindObjects(long hSession,
                     long ulMaxObjectCount)
              throws PKCS11Exception
```
    C_FindObjects continues a search for token and session objects that match a template, obtaining additional object handles. (Object management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    ulMaxObjectCount - the max. object handles to get (PKCS#11 param: CK_ULONG ulMaxObjectCount)
    
    Returns:
    
    the object's handles and the actual number of objects returned (PKCS#11 param: CK_ULONG_PTR pulObjectCount)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_FindObjectsFinal
```
void C_FindObjectsFinal(long hSession)
                 throws PKCS11Exception
```
    C_FindObjectsFinal finishes a search for token and session objects. (Object management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_EncryptInit
```
void C_EncryptInit(long hSession,
                   CK_MECHANISM pMechanism,
                   long hKey,
                   boolean useUtf8)
            throws PKCS11Exception
```
    C_EncryptInit initializes an encryption operation. (Encryption and decryption)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the encryption mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hKey - the handle of the encryption key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_Encrypt
```
byte[] C_Encrypt(long hSession,
                 byte[] pData)
          throws PKCS11Exception
```
    C_Encrypt encrypts single-part data. (Encryption and decryption)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pData - the data to get encrypted and the data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG ulDataLen)
    
    Returns:
    
    the encrypted data and the encrypted data's length (PKCS#11 param: CK_BYTE_PTR pEncryptedData, CK_ULONG_PTR pulEncryptedDataLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_EncryptUpdate
```
byte[] C_EncryptUpdate(long hSession,
                       byte[] pPart)
                throws PKCS11Exception
```
    C_EncryptUpdate continues a multiple-part encryption operation. (Encryption and decryption)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pPart - the data part to get encrypted and the data part's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG ulPartLen)
    
    Returns:
    
    the encrypted data part and the encrypted data part's length (PKCS#11 param: CK_BYTE_PTR pEncryptedPart, CK_ULONG_PTR pulEncryptedPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_EncryptFinal
```
byte[] C_EncryptFinal(long hSession)
               throws PKCS11Exception
```
    C_EncryptFinal finishes a multiple-part encryption operation. (Encryption and decryption)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Returns:
    
    the last encrypted data part and the last data part's length (PKCS#11 param: CK_BYTE_PTR pLastEncryptedPart, CK_ULONG_PTR pulLastEncryptedPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_MessageEncryptInit
```
void C_MessageEncryptInit(long hSession,
                          CK_MECHANISM pMechanism,
                          long hKey,
                          boolean useUtf8)
                   throws PKCS11Exception
```
    C_MessageEncryptInit initializes an encryption operation for Messages.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the encryption mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hKey - the handle of the encryption key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_EncryptMessage
```
byte[] C_EncryptMessage(long hSession,
                        Object pParameter,
                        byte[] pAssociatedData,
                        byte[] pPlainText,
                        boolean useUtf8)
                 throws PKCS11Exception
```
    C_EncryptMessage encrypts a message in a single part.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the GCM OR CCM Parameters (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen) Depending on the mechanism, pParameter can be input or output.
    
    pAssociatedData - the Associated Data for usage of AEAD Mechanisms and the data's length (PKCS#11 param: CK_BYTE_PTR pAssociatedData, CK_ULONG ulAssociatedDataLen)
    
    pPlainText - the Plaintext to get encrypted and the text's length (PKCS#11 param: CK_BYTE_PTR pPlaintext, CK_ULONG ulPlaintextLen)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the encrypted text and the encrypted text's length (PKCS#11 param: CK_BYTE_PTR pCiphertext, CK_ULONG_PTR CiphertextLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_EncryptMessageBegin
```
void C_EncryptMessageBegin(long hSession,
                           Object pParameter,
                           byte[] pAssociatedData,
                           boolean useUtf8)
                    throws PKCS11Exception
```
    C_EncryptMessageBegin begins a multiple-part message encryption operation.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the GCM OR CCM Parameters (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen) Depending on the mechanism, pParameter can be input or output.
    
    pAssociatedData - the Associated Data for usage of AEAD Mechanisms and the data's length (PKCS#11 param: CK_BYTE_PTR pAssociatedData, CK_ULONG ulAssociatedDataLen)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_EncryptMessageNext
```
byte[] C_EncryptMessageNext(long hSession,
                            Object pParameter,
                            byte[] pPlainTextPart,
                            long flags,
                            boolean useUtf8)
                     throws PKCS11Exception
```
    C_EncryptMessageNext continues a multiple-part message encryption operation, processing another message part.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the GCM OR CCM Parameters (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen) Depending on the mechanism, pParameter can be input or output.
    
    pPlainTextPart - the Plaintext to get encrypted and the text's length (PKCS#11 param: CK_BYTE_PTR pPlaintext, CK_ULONG ulPlaintextLen)
    
    flags - either 0 for continuing the multipart encryption operation or CKF_END_OF_MESSAGE if this call is the last part of the operation
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the ciphertext and the ciphertext length (PKCS#11 param: CK_BYTE_PTR pCiphertext, CK_ULONG_PTR CiphertextLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_MessageEncryptFinal
```
void C_MessageEncryptFinal(long hSession)
                    throws PKCS11Exception
```
    C_MessageEncryptFinal finishes a message-based encryption process.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DecryptInit
```
void C_DecryptInit(long hSession,
                   CK_MECHANISM pMechanism,
                   long hKey,
                   boolean useUtf8)
            throws PKCS11Exception
```
    C_DecryptInit initializes a decryption operation. (Encryption and decryption)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the decryption mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hKey - the handle of the decryption key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_Decrypt
```
byte[] C_Decrypt(long hSession,
                 byte[] pEncryptedData)
          throws PKCS11Exception
```
    C_Decrypt decrypts encrypted data in a single part. (Encryption and decryption)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pEncryptedData - the encrypted data to get decrypted and the encrypted data's length (PKCS#11 param: CK_BYTE_PTR pEncryptedData, CK_ULONG ulEncryptedDataLen)
    
    Returns:
    
    the decrypted data and the data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG_PTR pulDataLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DecryptUpdate
```
byte[] C_DecryptUpdate(long hSession,
                       byte[] pEncryptedPart)
                throws PKCS11Exception
```
    C_DecryptUpdate continues a multiple-part decryption operation. (Encryption and decryption)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pEncryptedPart - the encrypted data part to get decrypted and the encrypted data part's length (PKCS#11 param: CK_BYTE_PTR pEncryptedPart, CK_ULONG ulEncryptedPartLen)
    
    Returns:
    
    the decrypted data part and the data part's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DecryptFinal
```
byte[] C_DecryptFinal(long hSession)
               throws PKCS11Exception
```
    C_DecryptFinal finishes a multiple-part decryption operation. (Encryption and decryption)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Returns:
    
    the last decrypted data part and the last data part's length (PKCS#11 param: CK_BYTE_PTR pLastPart, CK_ULONG_PTR pulLastPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_MessageDecryptInit
```
void C_MessageDecryptInit(long hSession,
                          CK_MECHANISM pMechanism,
                          long hKey,
                          boolean useUtf8)
                   throws PKCS11Exception
```
    C_MessageDecryptInit initializes a decryption operation for Messages.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the encryption mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hKey - the handle of the decryption key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DecryptMessage
```
byte[] C_DecryptMessage(long hSession,
                        Object pParameter,
                        byte[] pAssociatedData,
                        byte[] pCipherText,
                        boolean useUtf8)
                 throws PKCS11Exception
```
    C_DecryptMessage decrypts a message in a single part.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the GCM OR CCM Parameters (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen) Depending on the mechanism, pParameter can be input or output.
    
    pAssociatedData - the Associated Data for usage of AEAD Mechanisms and the data's length (PKCS#11 param: CK_BYTE_PTR pAssociatedData, CK_ULONG ulAssociatedDataLen)
    
    pCipherText - the Plaintext to get encrypted and the text's length (PKCS#11 param: CK_BYTE_PTR pCiphertext, CK_ULONG ulCiphertextLen)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the plaintext and the its length (PKCS#11 param: CK_BYTE_PTR pPlaintext, CK_ULONG_PTR PlaintextLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DecryptMessageBegin
```
void C_DecryptMessageBegin(long hSession,
                           Object pParameter,
                           byte[] pAssociatedData,
                           boolean useUtf8)
                    throws PKCS11Exception
```
    C_DecryptMessageBegin begins a multiple-part message decryption operation.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the GCM OR CCM Parameters (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen) Depending on the mechanism, pParameter can be input or output.
    
    pAssociatedData - the Associated Data for usage of AEAD Mechanisms and the data's length (PKCS#11 param: CK_BYTE_PTR pAssociatedData, CK_ULONG ulAssociatedDataLen)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DecryptMessageNext
```
byte[] C_DecryptMessageNext(long hSession,
                            Object pParameter,
                            byte[] pCipherTextPart,
                            long flags,
                            boolean useUtf8)
                     throws PKCS11Exception
```
    C_DecryptMessageNext continues a multiple-part message decryption operation, processing another message part.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the GCM OR CCM Parameters (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen) Depending on the mechanism, pParameter can be input or output.
    
    pCipherTextPart - the Ciphertext to get decrypted and the text's length (PKCS#11 param: CK_BYTE_PTR pCiphertext, CK_ULONG ulCiphertextLen)
    
    flags - either 0 for continuing the multipart decryption operation or CKF_END_OF_MESSAGE if this call is the last part of the operation
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the plaintext and the plaintext length (PKCS#11 param: CK_BYTE_PTR pPlaintext, CK_ULONG_PTR PlaintextLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_MessageDecryptFinal
```
void C_MessageDecryptFinal(long hSession)
                    throws PKCS11Exception
```
    C_MessageDecryptFinal finishes a message-based Decryption process.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DigestInit
```
void C_DigestInit(long hSession,
                  CK_MECHANISM pMechanism,
                  boolean useUtf8)
           throws PKCS11Exception
```
    C_DigestInit initializes a message-digesting operation. (Message digesting)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    useUtf8 - use UTF-8 encoding
    
    pMechanism - the digesting mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_Digest
```
byte[] C_Digest(long hSession,
                byte[] data)
         throws PKCS11Exception
```
    C_Digest digests data in a single part. (Message digesting)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    data - the data to get digested and the data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG ulDataLen)
    
    Returns:
    
    the message digest and the length of the message digest (PKCS#11 param: CK_BYTE_PTR pDigest, CK_ULONG_PTR pulDigestLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DigestUpdate
```
void C_DigestUpdate(long hSession,
                    byte[] pPart)
             throws PKCS11Exception
```
    C_DigestUpdate continues a multiple-part message-digesting operation. (Message digesting)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pPart - the data to get digested and the data's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG ulPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DigestKey
```
void C_DigestKey(long hSession,
                 long hKey)
          throws PKCS11Exception
```
    C_DigestKey continues a multipart message-digesting operation, by digesting the value of a secret key as part of the data already digested. (Message digesting)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    hKey - the handle of the secret key to be digested (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DigestFinal
```
byte[] C_DigestFinal(long hSession)
              throws PKCS11Exception
```
    C_DigestFinal finishes a multiple-part message-digesting operation. (Message digesting)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Returns:
    
    the message digest and the length of the message digest (PKCS#11 param: CK_BYTE_PTR pDigest, CK_ULONG_PTR pulDigestLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignInit
```
void C_SignInit(long hSession,
                CK_MECHANISM pMechanism,
                long hKey,
                boolean useUtf8)
         throws PKCS11Exception
```
    C_SignInit initializes a signature (private key encryption) operation, where the signature is (will be) an appendix to the data, and plaintext cannot be recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the signature mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hKey - the handle of the signature key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_Sign
```
byte[] C_Sign(long hSession,
              byte[] pData)
       throws PKCS11Exception
```
    C_Sign signs (encrypts with private key) data in a single part, where the signature is (will be) an appendix to the data, and plaintext cannot be recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pData - the data to sign and the data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG ulDataLen)
    
    Returns:
    
    the signature and the signature's length (PKCS#11 param: CK_BYTE_PTR pSignature, CK_ULONG_PTR pulSignatureLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignUpdate
```
void C_SignUpdate(long hSession,
                  byte[] pPart)
           throws PKCS11Exception
```
    C_SignUpdate continues a multiple-part signature operation, where the signature is (will be) an appendix to the data, and plaintext cannot be recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pPart - the data part to sign and the data part's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG ulPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignFinal
```
byte[] C_SignFinal(long hSession)
            throws PKCS11Exception
```
    C_SignFinal finishes a multiple-part signature operation, returning the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Returns:
    
    the signature and the signature's length (PKCS#11 param: CK_BYTE_PTR pSignature, CK_ULONG_PTR pulSignatureLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignRecoverInit
```
void C_SignRecoverInit(long hSession,
                       CK_MECHANISM pMechanism,
                       long hKey,
                       boolean useUtf8)
                throws PKCS11Exception
```
    C_SignRecoverInit initializes a signature operation, where the data can be recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the signature mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    useUtf8 - use UTF-8 encoding
    
    hKey - the handle of the signature key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignRecover
```
byte[] C_SignRecover(long hSession,
                     byte[] pData)
              throws PKCS11Exception
```
    C_SignRecover signs data in a single operation, where the data can be recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pData - the data to sign and the data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG ulDataLen)
    
    Returns:
    
    the signature and the signature's length (PKCS#11 param: CK_BYTE_PTR pSignature, CK_ULONG_PTR pulSignatureLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_MessageSignInit
```
void C_MessageSignInit(long hSession,
                       CK_MECHANISM pMechanism,
                       long hKey,
                       boolean useUtf8)
                throws PKCS11Exception
```
    C_MessageSignInit initializes a Message Sign operation.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the signature mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    useUtf8 - use UTF-8 encoding
    
    hKey - the handle of the signature key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignMessage
```
byte[] C_SignMessage(long hSession,
                     Object pParameter,
                     byte[] pData,
                     boolean useUtf8)
              throws PKCS11Exception
```
    C_SignMessage signs a message in a single part, where the signature is an appendix to the message.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the mechanism parameter (PKCS#11 CK_VOID_PTR pParameter, CK_ULONG ulParameterLen)
    
    pData - the data to sign and the data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG ulDataLen)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the signature and the signature's length (PKCS#11 param: CK_BYTE_PTR pSignature, CK_ULONG_PTR pulSignatureLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignMessageBegin
```
void C_SignMessageBegin(long hSession,
                        Object pParameter,
                        boolean useUtf8)
                 throws PKCS11Exception
```
    C_SignMessageBegin begins a multiple-part message signature operation, where the signature is an appendix to the message.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the mechanism parameter (PKCS#11 CK_VOID_PTR pParameter, CK_ULONG ulParameterLen)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignMessageNext
```
byte[] C_SignMessageNext(long hSession,
                         Object pParameter,
                         byte[] pData,
                         boolean isLastOperation,
                         boolean useUtf8)
                  throws PKCS11Exception
```
    C_SignMessageNext continues a multiple-part message signature operation, processing another data part, or finishes a multiple-part message signature operation, returning the signature.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the mechanism parameter (PKCS#11 CK_VOID_PTR pParameter, CK_ULONG ulParameterLen)
    
    pData - the data to sign and the data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG ulDataLen)
    
    isLastOperation - true if this is the last message.
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the signature and the signature's length (PKCS#11 param: CK_BYTE_PTR pSignature, CK_ULONG_PTR pulSignatureLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_MessageSignFinal
```
void C_MessageSignFinal(long hSession)
                 throws PKCS11Exception
```
    C_MessageSignFinal finishes a message-based Sign process.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_VerifyInit
```
void C_VerifyInit(long hSession,
                  CK_MECHANISM pMechanism,
                  long hKey,
                  boolean useUtf8)
           throws PKCS11Exception
```
    C_VerifyInit initializes a verification operation, where the signature is an appendix to the data, and plaintext cannot be recovered from the signature (e.g. DSA). (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the verification mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hKey - the handle of the verification key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_Verify
```
void C_Verify(long hSession,
              byte[] pData,
              byte[] pSignature)
       throws PKCS11Exception
```
    C_Verify verifies a signature in a single-part operation, where the signature is an appendix to the data, and plaintext cannot be recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pData - the signed data and the signed data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG ulDataLen)
    
    pSignature - the signature to verify and the signature's length (PKCS#11 param: CK_BYTE_PTR pSignature, CK_ULONG ulSignatureLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_VerifyUpdate
```
void C_VerifyUpdate(long hSession,
                    byte[] pPart)
             throws PKCS11Exception
```
    C_VerifyUpdate continues a multiple-part verification operation, where the signature is an appendix to the data, and plaintext cannot be recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pPart - the signed data part and the signed data part's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG ulPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_VerifyFinal
```
void C_VerifyFinal(long hSession,
                   byte[] pSignature)
            throws PKCS11Exception
```
    C_VerifyFinal finishes a multiple-part verification operation, checking the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pSignature - the signature to verify and the signature's length (PKCS#11 param: CK_BYTE_PTR pSignature, CK_ULONG ulSignatureLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_VerifyRecoverInit
```
void C_VerifyRecoverInit(long hSession,
                         CK_MECHANISM pMechanism,
                         long hKey,
                         boolean useUtf8)
                  throws PKCS11Exception
```
    C_VerifyRecoverInit initializes a signature verification operation, where the data is recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the verification mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hKey - the handle of the verification key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_VerifyRecover
```
byte[] C_VerifyRecover(long hSession,
                       byte[] pSignature)
                throws PKCS11Exception
```
    C_VerifyRecover verifies a signature in a single-part operation, where the data is recovered from the signature. (Sign and MAC)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pSignature - the signature to verify and the signature's length (PKCS#11 param: CK_BYTE_PTR pSignature, CK_ULONG ulSignatureLen)
    
    Returns:
    
    the recovered data and the recovered data's length (PKCS#11 param: CK_BYTE_PTR pData, CK_ULONG_PTR pulDataLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_MessageVerifyInit
```
void C_MessageVerifyInit(long hSession,
                         CK_MECHANISM pMechanism,
                         long hKey,
                         boolean useUtf8)
                  throws PKCS11Exception
```
    C_MessageVerifyInit initializes a message-based verification process, preparing a session for one or more verification operations that use the same verification mechanism and verification key.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the signature mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hKey - the handle of the signature key (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_VerifyMessage
```
void C_VerifyMessage(long hSession,
                     Object pParameter,
                     byte[] pData,
                     byte[] pSignature,
                     boolean useUtf8)
              throws PKCS11Exception
```
    C_VerifyMessage verifies a signature on a message in a single part operation.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the mechanism parameter (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen)
    
    pData - the data getting signed (PKCS#11 param: CK_VOID_PTR pData, CK_ULONG ckDataLen)
    
    pSignature - the signature to be verified
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - if the Signature is invalid
  - C_VerifyMessageBegin
```
void C_VerifyMessageBegin(long hSession,
                          Object pParameter,
                          boolean useUtf8)
                   throws PKCS11Exception
```
    C_VerifyMessageBegin begins a multiple-part message verification operation.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the mechanism parameter (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen)
    
    useUtf8 - use UTF-8 encoding
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_VerifyMessageNext
```
void C_VerifyMessageNext(long hSession,
                         Object pParameter,
                         byte[] pData,
                         byte[] pSignature,
                         boolean useUtf8)
                  throws PKCS11Exception
```
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pParameter - the mechanism parameter (PKCS#11 param: CK_VOID_PTR pParameter, CK_ULONG ulParameterLen)
    
    pData - the data getting signed (PKCS#11 param: CK_VOID_PTR pData, CK_ULONG ckDataLen)
    
    useUtf8 - use UTF-8 encoding
    
    pSignature - the signature to be verified
    
    Throws:
    
    PKCS11Exception - if the Signature is invalid
  - C_MessageVerifyFinal
```
void C_MessageVerifyFinal(long hSession)
                   throws PKCS11Exception
```
    C_MessageSignFinal finishes a message-based Sign process.
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DigestEncryptUpdate
```
byte[] C_DigestEncryptUpdate(long hSession,
                             byte[] pPart)
                      throws PKCS11Exception
```
    C_DigestEncryptUpdate continues a multiple-part digesting and encryption operation. (Dual-function cryptographic operations)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pPart - the data part to digest and to encrypt and the data's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG ulPartLen)
    
    Returns:
    
    the digested and encrypted data part and the data part's length (PKCS#11 param: CK_BYTE_PTR pEncryptedPart, CK_ULONG_PTR pulEncryptedPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DecryptDigestUpdate
```
byte[] C_DecryptDigestUpdate(long hSession,
                             byte[] pEncryptedPart)
                      throws PKCS11Exception
```
    C_DecryptDigestUpdate continues a multiple-part decryption and digesting operation. (Dual-function cryptographic operations)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pEncryptedPart - the encrypted data part to decrypt and to digest and encrypted data part's length (PKCS#11 param: CK_BYTE_PTR pEncryptedPart, CK_ULONG ulEncryptedPartLen)
    
    Returns:
    
    the decrypted and digested data part and the data part's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SignEncryptUpdate
```
byte[] C_SignEncryptUpdate(long hSession,
                           byte[] pPart)
                    throws PKCS11Exception
```
    C_SignEncryptUpdate continues a multiple-part Sign and encryption operation. (Dual-function cryptographic operations)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pPart - the data part to sign and to encrypt and the data part's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG ulPartLen)
    
    Returns:
    
    the signed and encrypted data part and the data part's length (PKCS#11 param: CK_BYTE_PTR pEncryptedPart, CK_ULONG_PTR pulEncryptedPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DecryptVerifyUpdate
```
byte[] C_DecryptVerifyUpdate(long hSession,
                             byte[] pEncryptedPart)
                      throws PKCS11Exception
```
    C_DecryptVerifyUpdate continues a multiple-part decryption and verify operation. (Dual-function cryptographic operations)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pEncryptedPart - the encrypted data part to decrypt and to verify and the data part's length (PKCS#11 param: CK_BYTE_PTR pEncryptedPart, CK_ULONG ulEncryptedPartLen)
    
    Returns:
    
    the decrypted and verified data part and the data part's length (PKCS#11 param: CK_BYTE_PTR pPart, CK_ULONG_PTR pulPartLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GenerateKey
```
long C_GenerateKey(long hSession,
                   CK_MECHANISM pMechanism,
                   CK_ATTRIBUTE[] pTemplate,
                   boolean useUtf8)
            throws PKCS11Exception
```
    C_GenerateKey generates a secret key, creating a new key object. (Key management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the key generation mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    pTemplate - the template for the new key and the number of attributes in the template (PKCS#11 param: CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the handle of the new key (PKCS#11 param: CK_OBJECT_HANDLE_PTR phKey)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GenerateKeyPair
```
long[] C_GenerateKeyPair(long hSession,
                         CK_MECHANISM pMechanism,
                         CK_ATTRIBUTE[] pPublicKeyTemplate,
                         CK_ATTRIBUTE[] pPrivateKeyTemplate,
                         boolean useUtf8)
                  throws PKCS11Exception
```
    C_GenerateKeyPair generates a native-key/private-key pair, creating new key objects. (Key management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the key generation mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    pPublicKeyTemplate - the template for the new key and the number of attributes in the template (PKCS#11 param: CK_ATTRIBUTE_PTR pPublicKeyTemplate, CK_ULONG ulPublicKeyAttributeCount)
    
    pPrivateKeyTemplate - the template for the new private key and the number of attributes in the template (PKCS#11 param: CK_ATTRIBUTE_PTR pPrivateKeyTemplate CK_ULONG ulPrivateKeyAttributeCount)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    a long array with exactly two elements and the key handle as the first element and the private key handle as the second element (PKCS#11 param: CK_OBJECT_HANDLE_PTR phPublicKey, CK_OBJECT_HANDLE_PTR phPrivateKey)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_WrapKey
```
byte[] C_WrapKey(long hSession,
                 CK_MECHANISM pMechanism,
                 long hWrappingKey,
                 long hKey,
                 boolean useUtf8)
          throws PKCS11Exception
```
    C_WrapKey wraps (i.e., encrypts) a key. (Key management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the wrapping mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hWrappingKey - the handle of the wrapping key (PKCS#11 param: CK_OBJECT_HANDLE hWrappingKey)
    
    hKey - the handle of the key to be wrapped (PKCS#11 param: CK_OBJECT_HANDLE hKey)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the wrapped key and the length of the wrapped key (PKCS#11 param: CK_BYTE_PTR pWrappedKey, CK_ULONG_PTR pulWrappedKeyLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_UnwrapKey
```
long C_UnwrapKey(long hSession,
                 CK_MECHANISM pMechanism,
                 long hUnwrappingKey,
                 byte[] pWrappedKey,
                 CK_ATTRIBUTE[] pTemplate,
                 boolean useUtf8)
          throws PKCS11Exception
```
    C_UnwrapKey unwraps (decrypts) a wrapped key, creating a new key object. (Key management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the unwrapping mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hUnwrappingKey - the handle of the unwrapping key (PKCS#11 param: CK_OBJECT_HANDLE hUnwrappingKey)
    
    pWrappedKey - the wrapped key to unwrap and the wrapped key's length (PKCS#11 param: CK_BYTE_PTR pWrappedKey, CK_ULONG ulWrappedKeyLen)
    
    pTemplate - the template for the new key and the number of attributes in the template (PKCS#11 param: CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the handle of the unwrapped key (PKCS#11 param: CK_OBJECT_HANDLE_PTR phKey)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_DeriveKey
```
long C_DeriveKey(long hSession,
                 CK_MECHANISM pMechanism,
                 long hBaseKey,
                 CK_ATTRIBUTE[] pTemplate,
                 boolean useUtf8)
          throws PKCS11Exception
```
    C_DeriveKey derives a key from a base key, creating a new key object. (Key management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pMechanism - the key derivation mechanism (PKCS#11 param: CK_MECHANISM_PTR pMechanism)
    
    hBaseKey - the handle of the base key (PKCS#11 param: CK_OBJECT_HANDLE hBaseKey)
    
    pTemplate - the template for the new key and the number of attributes in the template (PKCS#11 param: CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount)
    
    useUtf8 - use UTF-8 encoding
    
    Returns:
    
    the handle of the derived key (PKCS#11 param: CK_OBJECT_HANDLE_PTR phKey)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_SeedRandom
```
void C_SeedRandom(long hSession,
                  byte[] pSeed)
           throws PKCS11Exception
```
    C_SeedRandom mixes additional seed material into the token's random number generator. (Random number generation)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    pSeed - the seed material and the seed material's length (PKCS#11 param: CK_BYTE_PTR pSeed, CK_ULONG ulSeedLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GenerateRandom
```
void C_GenerateRandom(long hSession,
                      byte[] randomData)
               throws PKCS11Exception
```
    C_GenerateRandom generates random data. (Random number generation)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    randomData - receives the random data and the length of RandomData is the length of random data to be generated (PKCS#11 param: CK_BYTE_PTR pRandomData, CK_ULONG ulRandomLen)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_GetFunctionStatus
```
void C_GetFunctionStatus(long hSession)
                  throws PKCS11Exception
```
    C_GetFunctionStatus is a legacy function; it obtains an updated status of a function running in parallel with an application. (Parallel function management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_CancelFunction
```
void C_CancelFunction(long hSession)
               throws PKCS11Exception
```
    C_CancelFunction is a legacy function; it cancels a function running in parallel. (Parallel function management)
    
    Parameters:
    
    hSession - the session's handle (PKCS#11 param: CK_SESSION_HANDLE hSession)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - C_WaitForSlotEvent
```
long C_WaitForSlotEvent(long flags,
                        Object pReserved)
                 throws PKCS11Exception
```
    C_WaitForSlotEvent waits for a slot event (token insertion, removal, etc.) to occur. (General-purpose)
    
    Parameters:
    
    flags - blocking/nonblocking flag (PKCS#11 param: CK_FLAGS flags)
    
    pReserved - reserved. Should be null (PKCS#11 param: CK_VOID_PTR pReserved)
    
    Returns:
    
    the slot ID where the event occurred (PKCS#11 param: CK_SLOT_ID_PTR pSlot)
    
    Throws:
    
    PKCS11Exception - If function returns other value than CKR_OK.
  - finalize
```
void finalize()
       throws Throwable
```
    This method can be used to clean up this object. Made to enable explicit cleanup, because garbage collection using System.gc() does not always collect the free object immediately.
    
    Throws:
    
    Throwable - If finalization fails.
  - isDisableBufferPreAllocation
```
boolean isDisableBufferPreAllocation()
```

Interface PKCS11

Method Summary

Method Detail

C_Initialize

C_Finalize

C_GetInfo

C_GetSlotList

C_GetSlotInfo

C_GetTokenInfo

C_GetMechanismList

C_GetMechanismInfo

C_InitToken

C_InitPIN

C_SetPIN

C_OpenSession

C_CloseSession

C_CloseAllSessions

C_GetSessionInfo

C_SessionCancel

C_GetOperationState

C_SetOperationState

C_Login

C_LoginUser

C_Logout

C_CreateObject

C_CopyObject

C_DestroyObject

C_GetObjectSize

C_GetAttributeValue

C_SetAttributeValue

C_FindObjectsInit

C_FindObjects

C_FindObjectsFinal

C_EncryptInit

C_Encrypt

C_EncryptUpdate

C_EncryptFinal

C_MessageEncryptInit

C_EncryptMessage

C_EncryptMessageBegin

C_EncryptMessageNext

C_MessageEncryptFinal

C_DecryptInit

C_Decrypt

C_DecryptUpdate

C_DecryptFinal

C_MessageDecryptInit

C_DecryptMessage

C_DecryptMessageBegin

C_DecryptMessageNext

C_MessageDecryptFinal

C_DigestInit

C_Digest

C_DigestUpdate

C_DigestKey

C_DigestFinal

C_SignInit

C_Sign

C_SignUpdate

C_SignFinal

C_SignRecoverInit

C_SignRecover

C_MessageSignInit

C_SignMessage

C_SignMessageBegin

C_SignMessageNext

C_MessageSignFinal

C_VerifyInit

C_Verify

C_VerifyUpdate

C_VerifyFinal

C_VerifyRecoverInit

C_VerifyRecover

C_MessageVerifyInit

C_VerifyMessage

C_VerifyMessageBegin

C_VerifyMessageNext

C_MessageVerifyFinal

C_DigestEncryptUpdate

C_DecryptDigestUpdate