use 'algorithm' instead of 'hash-algorithm' for HMAC

ui/app/components/transit-key-actions.js

@@ -3,6 +3,7 @@ const { get, set } = Ember;
 
 const TRANSIT_PARAMS = {
   hash_algorithm: 'sha2-256',
+  algorithm: 'sha2-256',
   signature_algorithm: 'pss',
   bits: 256,
   bytes: 32,
@@ -31,7 +32,7 @@ const TRANSIT_PARAMS = {
 const PARAMS_FOR_ACTION = {
   sign: ['input', 'hash_algorithm', 'key_version', 'prehashed', 'signature_algorithm'],
   verify: ['input', 'hmac', 'signature', 'hash_algorithm', 'prehashed'],
-  hmac: ['input', 'hash_algorithm', 'key_version'],
+  hmac: ['input', 'algorithm', 'key_version'],
   encrypt: ['plaintext', 'context', 'nonce', 'key_version'],
   decrypt: ['ciphertext', 'context', 'nonce'],
   rewrap: ['ciphertext', 'context', 'nonce', 'key_version'],

ui/app/templates/components/transit-key-action/hmac.hbs

@@ -1,4 +1,4 @@
-<form {{action 'doSubmit' (hash input=input hash_algorithm=hash_algorithm key_version=key_version) on="submit"}}>
+<form {{action 'doSubmit' (hash input=input algorithm=algorithm key_version=key_version) on="submit"}}>
   {{#if hmac}}
     <div class="box is-sideless is-fullwidth is-marginless">
       <div class="field">
@@ -42,16 +42,16 @@
         </div>
       </div>
       <div class="field">
-        <label for="hash_algorithm" class="is-label">Hash Algorithm</label>
+        <label for="algorithm" class="is-label">Hash Algorithm</label>
         <div class="control is-expanded">
           <div class="select is-fullwidth">
             <select
-             name="hash_algorithm"
-             id="hash_algorithm"
-             onchange={{action (mut hash_algorithm) value="target.value"}}
+             name="algorithm"
+             id="algorithm"
+             onchange={{action (mut algorithm) value="target.value"}}
              >
                {{#each (sha2-digest-sizes) as |algo|}}
-                 <option selected={{if hash_algorithm (eq hash_algorithm algo)}} value={{algo}}>
+                 <option selected={{if algorithm (eq algorithm algo)}} value={{algo}}>
                    <code>{{algo}}</code>
                  </option>
                {{/each}}

ui/tests/integration/components/transit-key-actions-test.js

@@ -261,3 +261,27 @@ test('it can export a key: unwrapped, single version', function(assert) {
     'passes expected args to the adapter'
   );
 });
+
+test('it includes algorithm param for HMAC', function(assert) {
+  this.set('key', {
+    backend: 'transit',
+    id: 'akey',
+    supportedActions: ['hmac'],
+    validKeyVersions: [1],
+  });
+  this.render(hbs`{{transit-key-actions key=key}}`);
+  this.$('#algorithm').val('sha2-384').change();
+  this.$('button:submit').click();
+  assert.deepEqual(
+    this.get('storeService.callArgs'),
+    {
+      action: 'hmac',
+      backend: 'transit',
+      id: 'akey',
+      payload: {
+        algorithm: "sha2-384"
+      },
+    },
+    'passes expected args to the adapter'
+  );
+});