Developer Reference

Contents

BigNumGetSize

Gets the size of the
IppsBigNumState
context in bytes.

Syntax

IppStatus ippsBigNumGetSize(int
length
, int*
psize
);
Include Files
ippcp.h
Parameters
length
The length of the integer big number in
Ipp32u
.
pSize
Pointer to the size, in bytes, of the buffer required for initialization.
Description
The function specifies the buffer size required to define a structured working buffer of the context
IppsBigNumState
for the storage and operations on an integer big number in bytes.
For security reasons, the length of the big number is restricted to 16 kilobits.
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
.
ippStsLengthErr
Indicates an error condition if
length
is less than or equal to 0 or greater than 512.

Product and Performance Information

1

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