daemon/lua/trust_anchors: don't crash when dealing with unknown algorhitm

Closes #449 (closed)

• Depends on deckard!159 (merged)
• Depends on respdiff!52 (merged)

daemon/lua/trust_anchors.test/ta.test.lua

@@ -22,7 +22,7 @@ local function test_revoked_key()
 	same(root_ta.rrs.count, 1, 'the root TA set contains one RR')
 end
 
-local function test_distrust()
+local function test_remove()
 	-- uses root key from the previous test
 	assert(trust_anchors.keysets['\0'], 'root key must be there from previous test')
 	local ta_c = kres.context().trust_anchors
@@ -30,7 +30,7 @@ local function test_distrust()
 	assert(root_ta ~= nil, 'we got non-NULL TA RRset')
 	assert(root_ta.rrs.count, 1, 'we have a root TA set to be deleted')
 
-	trust_anchors.distrust('.')
+	trust_anchors.remove('.')
 
 	same(trust_anchors.keysets['\0'], nil, 'Lua interface does not have the removed key')
 	local root_ta = ffi.C.kr_ta_get(ta_c, '\0')
@@ -39,6 +39,6 @@ end
 
 return {
 	test_revoked_key,
-	test_distrust
+	test_remove,
 }