Displaying 1 result from an estimated 1 matches for "msg_kex_dh_gex_request".
2013 May 31
0
DH group selection for SHA2-512 bit HMAC.
Hi. I've got the following problem with our SSH client library:
- client connects to OpenSSH 5.9+ server and they choose hmac-sha2-512
with diffie-hellman-group-exchange-sha256.
- client sends MSG_KEX_DH_GEX_REQUEST DH group request with parameters
(1024, 1024, 8192).
I.e. minimum and preferred group size is 1024-bit,
- OpenSSH server in kexgexs.c:kexgex_server processes this message and
selects 1024-bit group, sending it back to client.
- however, later, when it goes to shared secret generation, in
dh.c:d...