Developer Reference

Contents

ECCPInit

Initializes the context for the elliptic curve cryptosystem over GF(p).

Syntax

IppStatus ippsECCPInit(int
feBitSize
, IppsECCPState*
pECC
);
Include Files
ippcp.h
Parameters
feBitSize
Size (in bits) of the underlying prime number.
pECC
Pointer to the cryptosystem context.
Description
The function initializes the context of the elliptic curve cryptosystem over the prime finite field GF(
p
).
Context
is a structure
IppsECCPState
designed to store information about the cryptosystem status.
For security reasons, the length of the underlying prime number is restricted to 1 kilobit.
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.
ippStsSizeErr
Indicates an error condition if the value of the parameter
feBitSize
is less than 2.
ippStsLengthErr
Indicates an error condition if the value of the
feBitsize
parameter is less than 2 or greater than 1024.

Product and Performance Information

1

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