Enable Curve25519 in host and client for PIN-based and third-party auth.

remoting/protocol/negotiating_authenticator_base.cc

Index: remoting/protocol/negotiating_authenticator_base.cc
diff --git a/remoting/protocol/negotiating_authenticator_base.cc b/remoting/protocol/negotiating_authenticator_base.cc
index 5fe81293caa67023ebb65a19172aa925150466db..b42f1258fc6f67e5b9723ca16439efe3643710b4 100644
--- a/remoting/protocol/negotiating_authenticator_base.cc
+++ b/remoting/protocol/negotiating_authenticator_base.cc
@@ -23,12 +23,21 @@ namespace {
 
 const NameMapElement<NegotiatingAuthenticatorBase::Method>
     kAuthenticationMethodStrings[] = {
-        {NegotiatingAuthenticatorBase::Method::SPAKE2_SHARED_SECRET_PLAIN,
+        {NegotiatingAuthenticatorBase::Method::SHARED_SECRET_PLAIN_SPAKE2_P224,
          "spake2_plain"},
-        {NegotiatingAuthenticatorBase::Method::SPAKE2_SHARED_SECRET_HMAC,
+
+        {NegotiatingAuthenticatorBase::Method::SHARED_SECRET_SPAKE2_P224,
          "spake2_hmac"},
-        {NegotiatingAuthenticatorBase::Method::SPAKE2_PAIR, "spake2_pair"},
-        {NegotiatingAuthenticatorBase::Method::THIRD_PARTY, "third_party"},
+        {NegotiatingAuthenticatorBase::Method::SHARED_SECRET_SPAKE2_CURVE25519,
+         "spake2_curve25519"},
+
+        {NegotiatingAuthenticatorBase::Method::PAIRED_SPAKE2_P224,
+         "spake2_pair"},
+
+        {NegotiatingAuthenticatorBase::Method::THIRD_PARTY_SPAKE2_P224,
+         "third_party"},
+        {NegotiatingAuthenticatorBase::Method::THIRD_PARTY_SPAKE2_CURVE25519,
+         "third_party_spake2_curve25519"},
 };
 
 }  // namespace