NAME

CSP_DigestDataUpdate

SYNOPSIS

CSSM_RETURN CSSMSPI CSP_DigestDataUpdate
    (CSSM_CSP_HANDLE CSPHandle,
    CSSM_CC_HANDLE CCHandle,
    const CSSM_DATA_PTR DataBufs,
    uint32 DataBufCount)

DESCRIPTION

This function updates the staged message digest 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.

DataBufs (input)

A pointer to one or more CSSM_DATA structures containing the supplied data.

DataBufCount (input)

The number of DataBufs.

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_CONTEXT

Context type and operation do not match.

CSSM_CSP_INVALID_DATA_POINTER

Invalid input or output CSSM_DATA pointer.

CSSM_CSP_INVALID_DATA_COUNT

Invalid input data count; data count cannot be 0.

CSSM_CSP_INVALID_DATA

Invalid input or output CSSM_DATA buffer.

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.

CSSM_CSP_VECTOROFBUFS_UNSUPPORTED

Supports only a single buffer of input.

CSSM_CSP_GET_STAGED_INFO_ERROR

Cannot find or get the staged information.

SEE ALSO

CSP_DigestData, CSP_DigestDataInit,
CSP_DigestDataClone, CSP_DigestDataFinal