Developer Reference

Contents

mbx_x25519

Computes a shared secret.

Syntax

mbx_status mbx_x25519_mb8(int8u* const
pa_shared_key
[8], const int8u* const
pa_private_key
[8], const int8u* const
pa_public_key
[8]
);
Include Files
crypto_mb/x25519.h
Parameters
pa_shared_key
Array of pointers to the vectors of computed shared secret values.
pa_private_key
Array of pointers to the vectors of own private keys.
pa_public_key
Array of pointers to the vectors of party's public key x-coordinates.
Description
This function computes a shared secret using own private keys specified by
pa_private_key
and party's public keys specified by
pa_public_key
parameters. Each vector must be at least 32-byte length to store the computed shared secret value.
Return Values
The
mbx_ x25519
function returns the status that indicates whether the operation completed successfully or not. The status value of 0 indicates that all operations completed successfully. The error condition can be analyzed by the
MBX_GET_STS()
call.

Product and Performance Information

1

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