GFPSqrt

Takes the square root of an element of the GF(p) field.

Syntax

IppStatus ippsGFPSqrt(const IppsGFPElement *pGFpElementA, IppsGFPElement *pGFpElementR, IppsGFPState *pGFp);

Parameters

pGFpElementA	Pointer to the context of the given GF(`p`) element.
pGFpElementR	Pointer to the context of the resulting GF(`p`) element.
pGFp	Pointer to the context of the GF(`p`) field.

Description

This function is declared in the ippcp.h file. The function computes the square root of a given element of the GF(p) field. The following pseudocode represents this operation: R = A^(1/2).

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.
ippContextMatchErr	Indicates an error condition if any of the IppsGFPState or IppsGFPElement context parameters does not match the operation.
ippStsSqrtNegErr	Indicates an error condition if a square non-residue element is attempted.