Cryptography for Intel® Integrated Performance Primitives Developer Reference

Developer Reference

Contents

AES_CCMTagLen

Sets up the length of the required authentication tag.

Syntax

IppStatus ippsAES_CCMTagLen(int
tagLen
, IppsAES_CCMState*
pState
);
Include Files
ippcp.h
Parameters
tagLen
Length of the required authentication tag (in bytes).
pState
Pointer to the
IppsAES_CCMState
 context.
Description
The function assigns the value of
tagLen
 to the length of the required authentication tag in the
*pState
 context.
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 the context parameter does not match the operation.
ippStsLengthErr
Indicates an error condition if
tagLen
 < 4 or
tagLen
 > 16 or
taglen
 is odd.

Product and Performance Information

1

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