VerifyMac(3)VerifyMac(3)NAME
VerifyMac, CSSM_VerifyMac, CSP_VerifyMac - Verify the message authenti‐
cation code (CDSA)
SYNOPSIS
# include <cdsa/cssm.h>
API: CSSM_RETURN CSSMAPI CSSM_VerifyMac (CSSM_CC_HANDLE CCHandle, const
CSSM_DATA *DataBufs, uint32 DataBufCount, const CSSM_DATA *Mac) SPI:
CSSM_RETURN CSSMCSPI CSP_VerifyMac (CSSM_CSP_HANDLE CSPHandle,
CSSM_CC_HANDLE CCHandle, const CSSM_CONTEXT *Context, const CSSM_DATA
*DataBufs, uint32 DataBufCount, const CSSM_DATA *Mac)
LIBRARY
Common Security Services Manager library (libcssm.so)
API PARAMETERS
The handle that describes the context of this cryptographic operation
used to link to the CSP-managed information. A pointer to a vector of
CSSM_DATA structures that contain the data to be operated on. The num‐
ber of DataBufs. A pointer to the CSSM_DATA structure containing the
MAC to verify.
SPI PARAMETERS
The handle that describes the add-in cryptographic service provider
module used to perform calls to CSSM for the memory functions managed
by CSSM. Pointer to CSSM_CONTEXT structure that describes the
attributes with this context.
DESCRIPTION
This function verifies the message authentication code over all data
contained in the set of input buffers based on the input signature.
RETURN VALUE
A CSSM_RETURN value indicating success or specifying a particular error
condition. The value CSSM_OK indicates success. All other values repre‐
sent an error condition.
ERRORS
Errors are described in the CDSA technical standard. See
CDSA_intro(3). CSSMERR_CSP_INPUT_LENGTH_ERROR CSSMERR_CSP_VER‐
IFY_FAILED CSSMERR_CSP_INVALID_SIGNATURE
SEE ALSO
Books
Intel CDSA Application Developer's Guide (see CDSA_intro(3))
Reference Pages
Functions for the CSSM API:
CSSM_VerifyMacInit(3), CSSM_VerifyMacUpdate(3), CSSM_VerifyMacFinal(3)
Functions for the CSP SPI:
CSP_VerifyMacInit(3), CSP_VerifyMacUpdate(3), CSP_VerifyMacFinal(3)VerifyMac(3)