diff --git a/data/database.py b/data/database.py
index caf4f560b..457b9f77a 100644
--- a/data/database.py
+++ b/data/database.py
@@ -568,6 +568,7 @@ class Repository(BaseModel):
   description = FullIndexedTextField(match_function=db_match_func, null=True)
   badge_token = CharField(default=uuid_generator)
   kind = EnumField(RepositoryKind)
+  trust_enabled = BooleanField(default=False)
 
   class Meta:
     database = db
diff --git a/data/interfaces/v2.py b/data/interfaces/v2.py
index a119d9b93..f949ddc4e 100644
--- a/data/interfaces/v2.py
+++ b/data/interfaces/v2.py
@@ -13,7 +13,7 @@ _MEDIA_TYPE = "application/vnd.docker.distribution.manifest.v1+prettyjws"
 
 
 class Repository(namedtuple('Repository', ['id', 'name', 'namespace_name', 'description',
-                                           'is_public', 'kind'])):
+                                           'is_public', 'kind', 'trust_enabled'])):
   """
   Repository represents a namespaced collection of tags.
   :type id: int
@@ -22,6 +22,7 @@ class Repository(namedtuple('Repository', ['id', 'name', 'namespace_name', 'desc
   :type description: string
   :type is_public: bool
   :type kind: string
+  :type trust_enabled: bool 
   """
 
 class ManifestJSON(namedtuple('ManifestJSON', ['digest', 'json', 'media_type'])):
@@ -536,6 +537,7 @@ def _repository_for_repo(repo):
     description=repo.description,
     is_public=model.repository.is_repository_public(repo),
     kind=model.repository.get_repo_kind_name(repo),
+    trust_enabled=repo.trust_enabled,
   )
 
 
diff --git a/data/migrations/versions/ed01e313d3cb_add_trust_enabled_to_repository.py b/data/migrations/versions/ed01e313d3cb_add_trust_enabled_to_repository.py
new file mode 100644
index 000000000..323f337c8
--- /dev/null
+++ b/data/migrations/versions/ed01e313d3cb_add_trust_enabled_to_repository.py
@@ -0,0 +1,34 @@
+"""Add trust_enabled to repository
+
+Revision ID: ed01e313d3cb
+Revises: c3d4b7ebcdf7
+Create Date: 2017-04-14 17:38:03.319695
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'ed01e313d3cb'
+down_revision = 'c3d4b7ebcdf7'
+
+from alembic import op
+import sqlalchemy as sa
+
+def upgrade(tables):
+    ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('repository', sa.Column('trust_enabled', sa.Boolean(), nullable=False))
+    ### end Alembic commands ###
+    op.bulk_insert(tables.logentrykind, [
+        {'name': 'change_repo_trust'},
+    ])
+
+
+def downgrade(tables):
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('repository', 'trust_enabled')
+    ### end Alembic commands ###
+
+    op.execute(tables
+               .logentrykind
+               .delete()
+               .where(tables.
+                      logentrykind.name == op.inline_literal('change_repo_trust')))
diff --git a/data/model/repository.py b/data/model/repository.py
index 7af1c1c48..bf14dc97e 100644
--- a/data/model/repository.py
+++ b/data/model/repository.py
@@ -279,6 +279,11 @@ def unstar_repository(user, repository):
      .execute())
   except Star.DoesNotExist:
     raise DataModelException('Star not found.')
+  
+  
+def set_trust(repo, trust_enabled):
+  repo.trust_enabled = trust_enabled
+  repo.save()
 
 
 def get_user_starred_repositories(user, kind_filter='image'):
diff --git a/endpoints/api/repository.py b/endpoints/api/repository.py
index 86f8fe4d4..fa890708e 100644
--- a/endpoints/api/repository.py
+++ b/endpoints/api/repository.py
@@ -15,8 +15,8 @@ from endpoints.api import (truthy_bool, format_date, nickname, log_action, valid
                            require_repo_read, require_repo_write, require_repo_admin,
                            RepositoryParamResource, resource, query_param, parse_args, ApiResource,
                            request_error, require_scope, path_param, page_support, parse_args,
-                           query_param, truthy_bool, disallow_for_app_repositories)
-from endpoints.exception import Unauthorized, NotFound, InvalidRequest, ExceedsLicenseException
+                           query_param, truthy_bool, disallow_for_app_repositories, show_if)
+from endpoints.exception import Unauthorized, NotFound, InvalidRequest, ExceedsLicenseException, DownstreamIssue
 from endpoints.api.billing import lookup_allowed_private_repos, get_namespace_plan
 from endpoints.api.subscribe import check_repository_usage
 
@@ -377,6 +377,7 @@ class Repository(RepositoryParamResource):
       'is_organization': repo.namespace_user.organization,
       'is_starred': is_starred,
       'status_token': repo.badge_token if not is_public else '',
+      'trust_enabled': repo.trust_enabled,
     }
 
     if stats is not None:
@@ -464,3 +465,46 @@ class RepositoryVisibility(RepositoryParamResource):
                  {'repo': repository, 'namespace': namespace, 'visibility': values['visibility']},
                  repo=repo)
       return {'success': True}
+
+
+@resource('/v1/repository/<apirepopath:repository>/changetrust')
+@path_param('repository', 'The full path of the repository. e.g. namespace/name')
+class RepositoryTrust(RepositoryParamResource):
+  """ Custom verb for changing the trust settings of the repository. """
+  schemas = {
+    'ChangeRepoTrust': {
+      'type': 'object',
+      'description': 'Change the trust settings for the repository.',
+      'required': [
+        'trust_enabled',
+      ],
+      'properties': {
+        'trust_enabled': {
+          'type': 'boolean',
+          'description': 'Whether or not signing is enabled for the repository.'
+        },
+      }
+    }
+  }
+
+  @show_if(features.SIGNING)
+  @require_repo_admin
+  @nickname('changeRepoTrust')
+  @validate_json_request('ChangeRepoTrust')
+  def post(self, namespace, repository):
+    """ Change the visibility of a repository. """
+    repo = model.repository.get_repository(namespace, repository)
+    if not repo:
+      raise NotFound()
+
+    if not tuf_metadata_api.delete_metadata(namespace, repository):
+      raise DownstreamIssue({'message': 'Unable to delete downstream trust metadata'})
+
+    values = request.get_json()
+    model.repository.set_trust(repo, values['trust_enabled'])
+    
+    log_action('change_repo_trust', namespace,
+               {'repo': repository, 'namespace': namespace, 'trust_enabled': values['trust_enabled']},
+               repo=repo)
+
+    return {'success': True}
diff --git a/endpoints/api/test/test_repository.py b/endpoints/api/test/test_repository.py
new file mode 100644
index 000000000..f686fd9e4
--- /dev/null
+++ b/endpoints/api/test/test_repository.py
@@ -0,0 +1,42 @@
+import pytest
+
+from endpoints.api.test.shared import client_with_identity, conduct_api_call
+from endpoints.api.repository import RepositoryTrust
+from test.fixtures import app, appconfig, database_uri, init_db_path, sqlitedb_file
+from mock import patch, ANY, MagicMock
+
+
+INVALID_RESPONSE = {
+  u'detail': u"u'invalid_req' is not of type 'boolean'",
+  u'error_message': u"u'invalid_req' is not of type 'boolean'",
+  u'error_type': u'invalid_request',
+  u'status': 400,
+  u'title': u'invalid_request',
+  u'type': u'http://localhost/api/v1/error/invalid_request'
+}
+
+NOT_FOUND_RESPONSE = {
+  u'detail': u'Not Found',
+  u'error_message': u'Not Found',
+  u'error_type': u'not_found',
+  u'message': u'You have requested this URI [/api/v1/repository/devtable/repo/changetrust] but did you mean /api/v1/repository/<apirepopath:repository>/changetrust or /api/v1/repository/<apirepopath:repository>/changevisibility or /api/v1/repository/<apirepopath:repository>/tag/<tag>/images ?',
+  u'status': 404,
+  u'title': u'not_found',
+  u'type': u'http://localhost/api/v1/error/not_found'
+}
+
+
+@pytest.mark.parametrize('trust_enabled,repo_found,expected_body,expected_status', [
+  (True, True,{'success': True}, 200),
+  (False, True, {'success': True}, 200),
+  (False, False, NOT_FOUND_RESPONSE, 404),
+  ('invalid_req', False, INVALID_RESPONSE , 400),
+])
+def test_post_changetrust(trust_enabled, repo_found, expected_body, expected_status, client):
+  with patch('endpoints.api.repository.tuf_metadata_api'):
+    with patch('endpoints.api.repository.model') as mock_model:
+      mock_model.repository.get_repository.return_value = MagicMock() if repo_found else None
+      with client_with_identity('devtable', client) as cl:
+        params = {'repository': 'devtable/repo'}
+        request_body = {'trust_enabled': trust_enabled}
+        assert expected_body == conduct_api_call(cl, RepositoryTrust, 'POST', params, request_body, expected_status).json
diff --git a/endpoints/api/test/test_security.py b/endpoints/api/test/test_security.py
index 425ad1682..bfcae8b99 100644
--- a/endpoints/api/test/test_security.py
+++ b/endpoints/api/test/test_security.py
@@ -7,6 +7,7 @@ from endpoints.api.test.shared import client_with_identity, conduct_api_call
 from endpoints.api.superuser import SuperUserRepositoryBuildLogs, SuperUserRepositoryBuildResource
 from endpoints.api.superuser import SuperUserRepositoryBuildStatus
 from endpoints.api.signing import RepositorySignatures
+from endpoints.api.repository import RepositoryTrust
 from test.fixtures import app, appconfig, database_uri, init_db_path, sqlitedb_file
 
 TEAM_PARAMS = {'orgname': 'buynlarge', 'teamname': 'owners'}
@@ -42,6 +43,11 @@ REPO_PARAMS = {'repository': 'devtable/someapp'}
   (RepositorySignatures, 'GET', REPO_PARAMS, {}, 'freshuser', 403),
   (RepositorySignatures, 'GET', REPO_PARAMS, {}, 'reader', 403),
   (RepositorySignatures, 'GET', REPO_PARAMS, {}, 'devtable', 200),
+  
+  (RepositoryTrust, 'POST', REPO_PARAMS, {'trust_enabled': True}, None, 403),
+  (RepositoryTrust, 'POST', REPO_PARAMS, {'trust_enabled': True}, 'freshuser', 403),
+  (RepositoryTrust, 'POST', REPO_PARAMS, {'trust_enabled': True}, 'reader', 403),
+  (RepositoryTrust, 'POST', REPO_PARAMS, {'trust_enabled': True}, 'devtable', 404),
 ])
 def test_api_security(resource, method, params, body, identity, expected, client):
   with client_with_identity(identity, client) as cl:
diff --git a/endpoints/v2/test/test_v2auth.py b/endpoints/v2/test/test_v2auth.py
index 38b4167fd..ec0502a3a 100644
--- a/endpoints/v2/test/test_v2auth.py
+++ b/endpoints/v2/test/test_v2auth.py
@@ -3,10 +3,14 @@ import pytest
 import flask
 from flask_principal import Identity, Principal
 
-from endpoints.v2.v2auth import get_tuf_root
+from endpoints.v2.v2auth import get_tuf_root 
 from auth import permissions
-from util.security.registry_jwt import QUAY_TUF_ROOT, SIGNER_TUF_ROOT
+from util.security.registry_jwt import QUAY_TUF_ROOT, SIGNER_TUF_ROOT, DISABLED_TUF_ROOT
   
+from test import testconfig
+from mock import Mock
+
+
 def admin_identity(namespace, reponame):
   identity = Identity('admin')
   identity.provides.add(permissions._RepositoryNeed(namespace, reponame, 'admin'))
@@ -27,7 +31,7 @@ def read_identity(namespace, reponame):
 
 def app_with_principal():
   app = flask.Flask(__name__)
-  app.config.update(SECRET_KEY='secret', TESTING=True)
+  app.config.from_object(testconfig.TestConfig())
   principal = Principal(app) 
   return app, principal
 
@@ -44,5 +48,17 @@ def test_get_tuf_root(identity, expected):
   app, principal = app_with_principal()
   with app.test_request_context('/'):
     principal.set_identity(identity)
-    actual = get_tuf_root("namespace", "repo")
+    actual = get_tuf_root(Mock(), "namespace", "repo")
     assert actual == expected, "should be %s, but was %s" % (expected, actual)
+    
+    
+@pytest.mark.parametrize('trust_enabled,tuf_root', [
+  (True, QUAY_TUF_ROOT),
+  (False, DISABLED_TUF_ROOT),
+])
+def test_trust_disabled(trust_enabled,tuf_root):
+  app, principal = app_with_principal()
+  with app.test_request_context('/'):
+    principal.set_identity(read_identity("namespace", "repo"))
+    actual = get_tuf_root(Mock(trust_enabled=trust_enabled), "namespace", "repo")
+    assert actual == tuf_root, "should be %s, but was %s" % (tuf_root, actual)
diff --git a/endpoints/v2/v2auth.py b/endpoints/v2/v2auth.py
index 12e7863a8..0d9e8ffb0 100644
--- a/endpoints/v2/v2auth.py
+++ b/endpoints/v2/v2auth.py
@@ -4,6 +4,7 @@ import re
 from cachetools import lru_cache
 from flask import request, jsonify, abort
 
+import features
 from app import app, userevents, instance_keys
 from auth.auth_context import get_authenticated_user, get_validated_token, get_validated_oauth_token
 from auth.decorators import process_basic_auth
@@ -15,7 +16,8 @@ from endpoints.v2.errors import InvalidLogin, NameInvalid, InvalidRequest, Unsup
 from data.interfaces.v2 import pre_oci_model as model
 from util.cache import no_cache
 from util.names import parse_namespace_repository, REPOSITORY_NAME_REGEX
-from util.security.registry_jwt import generate_bearer_token, build_context_and_subject, QUAY_TUF_ROOT, SIGNER_TUF_ROOT
+from util.security.registry_jwt import (generate_bearer_token, build_context_and_subject, QUAY_TUF_ROOT, 
+                                        SIGNER_TUF_ROOT, DISABLED_TUF_ROOT)
 
 logger = logging.getLogger(__name__)
 
@@ -64,7 +66,7 @@ def generate_registry_jwt(auth_result):
   user_event_data = {
     'action': 'login',
   }
-  tuf_root = QUAY_TUF_ROOT
+  tuf_root = DISABLED_TUF_ROOT
 
   if len(scope_param) > 0:
     match = get_scope_regex().match(scope_param)
@@ -164,8 +166,7 @@ def generate_registry_jwt(auth_result):
       'repository': reponame,
       'namespace': namespace,
     }
-
-    tuf_root = get_tuf_root(namespace, reponame)
+    tuf_root = get_tuf_root(repo, namespace, reponame)
 
   elif user is None and token is None:
     # In this case, we are doing an auth flow, and it's not an anonymous pull
@@ -184,7 +185,10 @@ def generate_registry_jwt(auth_result):
   return jsonify({'token': token})
 
 
-def get_tuf_root(namespace, reponame):
+def get_tuf_root(repo, namespace, reponame):
+  if not features.SIGNING or repo is None or not repo.trust_enabled:
+    return DISABLED_TUF_ROOT
+  
   # Users with write access to a repo will see signer-rooted TUF metadata
   if ModifyRepositoryPermission(namespace, reponame).can():
     return SIGNER_TUF_ROOT
diff --git a/initdb.py b/initdb.py
index 855ee11b3..efcb99da8 100644
--- a/initdb.py
+++ b/initdb.py
@@ -296,6 +296,7 @@ def initialize_database():
   LogEntryKind.create(name='change_repo_permission')
   LogEntryKind.create(name='delete_repo_permission')
   LogEntryKind.create(name='change_repo_visibility')
+  LogEntryKind.create(name='change_repo_trust')
   LogEntryKind.create(name='add_repo_accesstoken')
   LogEntryKind.create(name='delete_repo_accesstoken')
   LogEntryKind.create(name='set_repo_description')
diff --git a/static/js/directives/ui/logs-view.js b/static/js/directives/ui/logs-view.js
index 7bdf43b97..d1054b026 100644
--- a/static/js/directives/ui/logs-view.js
+++ b/static/js/directives/ui/logs-view.js
@@ -136,6 +136,13 @@ angular.module('quay').directive('logsView', function () {
           'create_tag': 'Tag {tag} created in repository {namespace}/{repo} on image {image} by user {username}',
           'move_tag': 'Tag {tag} moved from image {original_image} to image {image} in repository {namespace}/{repo} by user {username}',
           'change_repo_visibility': 'Change visibility for repository {namespace}/{repo} to {visibility}',
+          'change_repo_trust': function(metadata) {
+            if (metadata.trust_enabled) {
+              return 'Trust enabled for {namespace}/{repo}';
+            } else {
+              return 'Trust disabled for {namespace}/{repo}';
+            }
+          },
           'add_repo_accesstoken': 'Create access token {token} in repository {repo}',
           'delete_repo_accesstoken': 'Delete access token {token} in repository {repo}',
           'set_repo_description': 'Change description for repository {namespace}/{repo}',
@@ -265,6 +272,7 @@ angular.module('quay').directive('logsView', function () {
         'change_repo_permission': 'Change repository permission',
         'delete_repo_permission': 'Remove user permission from repository',
         'change_repo_visibility': 'Change repository visibility',
+        'change_repo_trust': 'Change repository trust settings',
         'add_repo_accesstoken': 'Create access token',
         'delete_repo_accesstoken': 'Delete access token',
         'set_repo_description': 'Change repository description',
diff --git a/test/data/test.db b/test/data/test.db
index abfe7ef07..c8f6dc912 100644
Binary files a/test/data/test.db and b/test/data/test.db differ
diff --git a/util/security/registry_jwt.py b/util/security/registry_jwt.py
index 373e990a7..e6d39d656 100644
--- a/util/security/registry_jwt.py
+++ b/util/security/registry_jwt.py
@@ -11,6 +11,7 @@ ALGORITHM = 'RS256'
 CLAIM_TUF_ROOT = 'com.apostille.root'
 QUAY_TUF_ROOT = 'quay'
 SIGNER_TUF_ROOT = 'signer'
+DISABLED_TUF_ROOT = '$disabled'
 
 # The number of allowed seconds of clock skew for a JWT. The iat, nbf and exp are adjusted with this
 # count.