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-rw-r--r--lib/ssh/src/ssh_message.erl8
-rw-r--r--lib/ssh/src/ssh_transport.erl12
2 files changed, 14 insertions, 6 deletions
diff --git a/lib/ssh/src/ssh_message.erl b/lib/ssh/src/ssh_message.erl
index 55c0548c9b..da4027a763 100644
--- a/lib/ssh/src/ssh_message.erl
+++ b/lib/ssh/src/ssh_message.erl
@@ -289,12 +289,12 @@ encode(#ssh_msg_kex_dh_gex_reply{
<<?Ebyte(?SSH_MSG_KEX_DH_GEX_REPLY), ?Ebinary(EncKey), ?Empint(F), ?Ebinary(EncSign)>>;
encode(#ssh_msg_kex_ecdh_init{q_c = Q_c}) ->
- <<?Ebyte(?SSH_MSG_KEX_ECDH_INIT), ?Empint(Q_c)>>;
+ <<?Ebyte(?SSH_MSG_KEX_ECDH_INIT), ?Ebinary(Q_c)>>;
encode(#ssh_msg_kex_ecdh_reply{public_host_key = {Key,SigAlg}, q_s = Q_s, h_sig = Sign}) ->
EncKey = public_key:ssh_encode(Key, ssh2_pubkey),
EncSign = encode_signature(Key, SigAlg, Sign),
- <<?Ebyte(?SSH_MSG_KEX_ECDH_REPLY), ?Ebinary(EncKey), ?Empint(Q_s), ?Ebinary(EncSign)>>;
+ <<?Ebyte(?SSH_MSG_KEX_ECDH_REPLY), ?Ebinary(EncKey), ?Ebinary(Q_s), ?Ebinary(EncSign)>>;
encode(#ssh_msg_ignore{data = Data}) ->
<<?Ebyte(?SSH_MSG_IGNORE), ?Estring_utf8(Data)>>;
@@ -504,13 +504,13 @@ decode(<<?BYTE(?SSH_MSG_KEX_DH_GEX_REPLY), ?DEC_BIN(Key,__0), ?DEC_MPINT(F,__1),
h_sig = decode_signature(Hashsign)
};
-decode(<<"ecdh",?BYTE(?SSH_MSG_KEX_ECDH_INIT), ?DEC_MPINT(Q_c,__0)>>) ->
+decode(<<"ecdh",?BYTE(?SSH_MSG_KEX_ECDH_INIT), ?DEC_BIN(Q_c,__0)>>) ->
#ssh_msg_kex_ecdh_init{
q_c = Q_c
};
decode(<<"ecdh",?BYTE(?SSH_MSG_KEX_ECDH_REPLY),
- ?DEC_BIN(Key,__1), ?DEC_MPINT(Q_s,__2), ?DEC_BIN(Sig,__3)>>) ->
+ ?DEC_BIN(Key,__1), ?DEC_BIN(Q_s,__2), ?DEC_BIN(Sig,__3)>>) ->
#ssh_msg_kex_ecdh_reply{
public_host_key = public_key:ssh_decode(Key, ssh2_pubkey),
q_s = Q_s,
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index 4bef5e2cbb..9aebf4cb3c 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -1808,6 +1808,7 @@ hash(K, H, Ki, N, HashAlg) ->
kex_hash(SSH, Key, HashAlg, Args) ->
crypto:hash(HashAlg, kex_plaintext(SSH,Key,Args)).
+
kex_plaintext(SSH, Key, Args) ->
EncodedKey = public_key:ssh_encode(Key, ssh2_pubkey),
<<?Estring(SSH#ssh.c_version), ?Estring(SSH#ssh.s_version),
@@ -1815,8 +1816,13 @@ kex_plaintext(SSH, Key, Args) ->
?Ebinary(EncodedKey),
(kex_alg_dependent(Args))/binary>>.
+
+kex_alg_dependent({Q_c, Q_s, K}) when is_binary(Q_c), is_binary(Q_s) ->
+ %% ecdh
+ <<?Ebinary(Q_c), ?Ebinary(Q_s), ?Empint(K)>>;
+
kex_alg_dependent({E, F, K}) ->
- %% diffie-hellman and ec diffie-hellman (with E = Q_c, F = Q_s)
+ %% diffie-hellman
<<?Empint(E), ?Empint(F), ?Empint(K)>>;
kex_alg_dependent({-1, NBits, -1, Prime, Gen, E, F, K}) ->
@@ -1933,11 +1939,13 @@ parallell_gen_key(Ssh = #ssh{keyex_key = {x, {G, P}},
Ssh#ssh{keyex_key = {{Private, Public}, {G, P}}}.
+generate_key(ecdh = Algorithm, Args) ->
+ crypto:generate_key(Algorithm, Args);
generate_key(Algorithm, Args) ->
{Public,Private} = crypto:generate_key(Algorithm, Args),
{crypto:bytes_to_integer(Public), crypto:bytes_to_integer(Private)}.
-
+
compute_key(Algorithm, OthersPublic, MyPrivate, Args) ->
Shared = crypto:compute_key(Algorithm, OthersPublic, MyPrivate, Args),
crypto:bytes_to_integer(Shared).