Add support for PKEXv2 core protocol. This defines a new PKEX Exchange
Request message type with protocol negotiation and different rules for
key derivation with PKEXv2 or newer is used.
This does not change existing behavior for PKEX, i.e., the PKEXv1
variant will still be used by default.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Rewrite EC point/bignum computation done in PKEX protocol using EC
point/bignum primitives already defined in crypto.h and couple of small
new helper functions.
Signed-off-by: Cedric Izoard <cedric.izoard@ceva-dsp.com>
Move code of dpp_get_pubkey_point() to a crypto library specific
function crypto_ec_key_get_pubkey_point().
Signed-off-by: Cedric Izoard <cedric.izoard@ceva-dsp.com>
To remove direct dependency to OpenSSL in DPP replace EVP_PKEY
by struct crypto_ec_key in all structures and function prototypes.
All direct calls to EVP_PKEY_free() are replaced by calls to
crypto_ec_key_deinit().
Signed-off-by: Cedric Izoard <cedric.izoard@ceva-dsp.com>
