--- a/spec/util_hashes_spec.lua	Fri Mar 04 15:03:02 2022 +0000
+++ b/spec/util_hashes_spec.lua	Fri Mar 04 15:22:45 2022 +0000
@@ -10,28 +10,28 @@
 		local S = "salt"
 		local c = 1
 		local DK = "0c60c80f961f0e71f3a9b524af6012062fe037a6";
-		assert.equal(DK, hex.to(hashes.pbkdf2_hmac_sha1(P, S, c)));
+		assert.equal(DK, hex.encode(hashes.pbkdf2_hmac_sha1(P, S, c)));
 	end);
 	it("test vector 2", function ()
 		local P = "password"
 		local S = "salt"
 		local c = 2
 		local DK = "ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957";
-		assert.equal(DK, hex.to(hashes.pbkdf2_hmac_sha1(P, S, c)));
+		assert.equal(DK, hex.encode(hashes.pbkdf2_hmac_sha1(P, S, c)));
 	end);
 	it("test vector 3", function ()
 		local P = "password"
 		local S = "salt"
 		local c = 4096
 		local DK = "4b007901b765489abead49d926f721d065a429c1";
-		assert.equal(DK, hex.to(hashes.pbkdf2_hmac_sha1(P, S, c)));
+		assert.equal(DK, hex.encode(hashes.pbkdf2_hmac_sha1(P, S, c)));
 	end);
 	it("test vector 4 #SLOW", function ()
 		local P = "password"
 		local S = "salt"
 		local c = 16777216
 		local DK = "eefe3d61cd4da4e4e9945b3d6ba2158c2634e984";
-		assert.equal(DK, hex.to(hashes.pbkdf2_hmac_sha1(P, S, c)));
+		assert.equal(DK, hex.encode(hashes.pbkdf2_hmac_sha1(P, S, c)));
 	end);
 end);
 
@@ -41,14 +41,14 @@
 		local S = "salt";
 		local c = 1
 		local DK = "120fb6cffcf8b32c43e7225256c4f837a86548c92ccc35480805987cb70be17b";
-		assert.equal(DK, hex.to(hashes.pbkdf2_hmac_sha256(P, S, c)));
+		assert.equal(DK, hex.encode(hashes.pbkdf2_hmac_sha256(P, S, c)));
 	end);
 	it("test vector 2", function ()
 		local P = "password";
 		local S = "salt";
 		local c = 2
 		local DK = "ae4d0c95af6b46d32d0adff928f06dd02a303f8ef3c251dfd6e2d85a95474c43";
-		assert.equal(DK, hex.to(hashes.pbkdf2_hmac_sha256(P, S, c)));
+		assert.equal(DK, hex.encode(hashes.pbkdf2_hmac_sha256(P, S, c)));
 	end);
 end);