Add a purpose to challanges

test/lib/action_pack/web_authn/authenticator/assertion_response_test.rb

@@ -6,7 +6,7 @@ class ActionPack::WebAuthn::Authenticator::AssertionResponseTest < ActiveSupport
   setup do
     ActionPack::WebAuthn::Current.host = "example.com"
 
-    @challenge = webauthn_challenge
+    @challenge = webauthn_challenge(purpose: "authentication")
     @origin = "https://example.com"
     @client_data_json = {
       challenge: @challenge,

test/lib/action_pack/web_authn/authenticator/attestation_response_test.rb

@@ -37,7 +37,7 @@ class ActionPack::WebAuthn::Authenticator::AttestationResponseTest < ActiveSuppo
   setup do
     ActionPack::WebAuthn::Current.host = "example.com"
 
-    @challenge = webauthn_challenge
+    @challenge = webauthn_challenge(purpose: "registration")
     @origin = "https://example.com"
     @client_data_json = {
       challenge: @challenge,

test/lib/action_pack/web_authn/public_key_credential/creation_options_test.rb

@@ -24,7 +24,7 @@ class ActionPack::WebAuthn::PublicKeyCredential::CreationOptionsTest < ActiveSup
 
   test "generates signed challenge containing nonce" do
     signed_message = Base64.urlsafe_decode64(@options.challenge)
-    nonce = ActionPack::WebAuthn.challenge_verifier.verified(signed_message)
+    nonce = ActionPack::WebAuthn.challenge_verifier.verified(signed_message, purpose: "registration")
 
     assert_not_nil nonce
     assert_equal 32, Base64.strict_decode64(nonce).bytesize

test/lib/action_pack/web_authn/public_key_credential/request_options_test.rb

@@ -24,7 +24,7 @@ class ActionPack::WebAuthn::PublicKeyCredential::RequestOptionsTest < ActiveSupp
 
   test "generates signed challenge containing nonce" do
     signed_message = Base64.urlsafe_decode64(@options.challenge)
-    nonce = ActionPack::WebAuthn.challenge_verifier.verified(signed_message)
+    nonce = ActionPack::WebAuthn.challenge_verifier.verified(signed_message, purpose: "authentication")
 
     assert_not_nil nonce
     assert_equal 32, Base64.strict_decode64(nonce).bytesize