Cryptography for Intel® Integrated Performance Primitives Developer Reference

Developer Reference

Contents

PRNGGetSeed

Extracts the seed value of the pseudorandom number generator from the context structure.

Syntax

IppStatus ippsPRNGGetSeed(const IppsPRNGState* pCtx
, IppsBigNumState*
pSeed
);
Include Files
ippcp.h
Parameters
pCtx
Pointer to the
IppsPRNGState
 context.
pSeed
Pointer to the seed value.
Description
The function extracts the seed value of the pseudorandom number generator from the
IppsPRNGState
 context structure into a big number.
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
*pSeed
 is not a
IppsBigNumState
 structure or
*pCtx
 is not a
IppsPRNGState
 structure.
ippOutOfRangeErr
Indicates an error condition if the length of the actual seed exceeds
*pSeed
.

Product and Performance Information

1

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