| KCAPI_KPP_SSGEN(3) | Programming Interface | KCAPI_KPP_SSGEN(3) |
NAME¶
kcapi_kpp_ssgen - generate a shared secret
SYNOPSIS¶
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)
DESCRIPTION¶
return number of bytes returned by the shared secret generation operation upon success; a negative errno-style error code if an error occurred
AUTHOR¶
Stephan Mueller <smueller@chronox.de>
Author.
COPYRIGHT¶
| March 2023 | libkcapi Manual 1.4.0 |