Curve25519 scalar multiplication library

configname: CONFIG_CRYPTO_LIB_CURVE25519

Linux Kernel Configuration
└─>Cryptographic API
└─>Curve25519 scalar multiplication library
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Enable the Curve25519 library interface. This interface may be
fulfilled by either the generic implementation or an arch-specific
one, if one is available and enabled.