Developer Reference

Contents

GFpExp

Raises an element of the finite field to the specified power.

Syntax

IppStatus ippsGFpExp(const IppsGFpElement*
pA
, const IppsBigNumState*
pE
, IppsGFpElement*
pR
, IppsGFpState*
pGFp
, Ipp8u*
pScratchBuffer
);
Include Files
ippcp.h
Parameters
pA
Pointer to the context of the element of the finite field representing the base of the exponentiation.
pE
Pointer to the Big Number context storing the exponent.
pR
Pointer to the context of the resulting element of the finite field.
pGFp
Pointer to the context of the finite field.
pScratchBuffer
Pointer to the scratch buffer.
Description
This function raises the element of the finite field to the given non-negative power. The following pseudocode represents this operation:
R = A
E
. The finite field is specified by the context
pGFp
. You can get the size of the scratch buffer by calling the function
GFpScratchBufferSize
.
Return Values
ippStsNoErr
Indicates no error. Any other value indicates an error or warning.
ippStsNullPtrErr
Indicates an error condition if any of the specified pointers is
NULL
.
ippStsContextMatchErr
Indicates an error condition if any of the
IppsGFpState
,
IppsBigNumState
, and
IppsGFpElement
context parameters does not match the operation.
ippStsOutOfRangeErr
Indicates an error condition if
pA
or
pR
does not belong to the finite field specified by the context
pGFp
.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.