NAME

CSP_EncryptDataFinal

SYNOPSIS

CSSM_RETURN CSSMSPI CSP_EncryptDataFinal
    (CSSM_CSP_HANDLE CSPHandle,
    CSSM_CC_HANDLE CCHandle,
    CSSM_DATA_PTR RemData)

DESCRIPTION

This function finalizes the staged encrypt function.

PARAMETERS

CSPHandle (input)

The handle that describes the add-in cryptographic service provider module used to perform up-calls to CSSM for the memory functions managed by CSSM.

CCHandle (input)

The handle that describes the context of this cryptographic operation used to link to the CSP-managed information.

RemData (output)

A pointer to the CSSM_DATA structure for the last encrypted block containing padded data.

RETURN VALUE

A CSSM return value. This function returns CSSM_OK if successful and returns an error code if an error has occurred.

ERRORS

CSSM_CSP_INVALID_CSP_HANDLE

Invalid CSP handle.

CSSM_CSP_INVALID_CONTEXT_HANDLE

Invalid context handle.

CSSM_CSP_INVALID_DATA_POINTER

Invalid output CSSM_DATA pointer.

CSSM_CSP_INVALID_DATA

Invalid output CSSM_DATA buffer.

CSSM_CSP_NOT_ENOUGH_BUFFER

The output buffer is not big enough.

CSSM_CSP_MEMORY_ERROR

Not enough memory to allocate.

CSSM_CSP_STAGED_OPERATION_UNSUPPORTED

Staged operation unsupported.

CSSM_CSP_STAGED_OPERATION_FAILED

Staged Cryptographic operation failed.

Comments

The output can be obtained either by filling the caller-supplied buffer or using the application's memory allocation functions to allocate space; application has to free the memory in this case. If the output buffer pointer is NULL, an error code CSSM_CSP_INVALID_DATA_POINTER is returned. In-place encryption can be done by supplying the same input and output buffers.

SEE ALSO

CSP_EncryptData, CSP_EncryptDataInit, CSP_EncryptDataUpdate