kcapi_kpp_ssgen3
Generate a shared secret
Usage
ssize_t kcapi_kpp_ssgen(struct kcapi_handle * handle, const uint8_t * pubkey, size_t pubkeylen, uint8_t * ss, size_t sslen, int access);
Arguments
handle
[in] cipher handle
pubkey
[in] public key of peer that shall be used to generate the shared secret with
pubkeylen
[in] length of the public key buffer
ss
[out] generated shared secret
sslen
[in] length of key buffer
access
[in] kernel access type (KCAPI_ACCESS_HEURISTIC - use internal heuristic for fastest kernel access; KCAPI_ACCESS_VMSPLICE - use vmsplice access; KCAPI_ACCESS_SENDMSG - sendmsg access)
Overview
return number of bytes returned by the shared secret generation operation upon success; a negative errno-style error code if an error occurred
Releases
3 releases since Debian 11 (Bullseye); the text changed 2 times.