| 1 | // SPDX-License-Identifier: AGPL-3.0-or-later |
| 2 | |
| 3 | package password |
| 4 | |
| 5 | import ( |
| 6 | "strings" |
| 7 | "testing" |
| 8 | ) |
| 9 | |
| 10 | // fastParams keeps the test suite quick — argon2id with default cost takes |
| 11 | // hundreds of ms. Real defaults are exercised by the e2e auth integration test. |
| 12 | func fastParams() Params { |
| 13 | return Params{Memory: 16 * 1024, Time: 1, Threads: 1, SaltLen: 16, KeyLen: 32} |
| 14 | } |
| 15 | |
| 16 | func TestHashAndVerify_RoundTrip(t *testing.T) { |
| 17 | t.Parallel() |
| 18 | p := fastParams() |
| 19 | enc, err := Hash("correct horse battery staple", p) |
| 20 | if err != nil { |
| 21 | t.Fatalf("Hash: %v", err) |
| 22 | } |
| 23 | if !strings.HasPrefix(enc, "$argon2id$v=19$") { |
| 24 | t.Fatalf("PHC prefix wrong: %s", enc) |
| 25 | } |
| 26 | ok, err := Verify("correct horse battery staple", enc) |
| 27 | if err != nil { |
| 28 | t.Fatalf("Verify: %v", err) |
| 29 | } |
| 30 | if !ok { |
| 31 | t.Fatal("Verify returned false for correct password") |
| 32 | } |
| 33 | bad, err := Verify("wrong password........", enc) |
| 34 | if err != nil { |
| 35 | t.Fatalf("Verify wrong: %v", err) |
| 36 | } |
| 37 | if bad { |
| 38 | t.Fatal("Verify returned true for wrong password") |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | func TestHash_RejectsTooShort(t *testing.T) { |
| 43 | t.Parallel() |
| 44 | if _, err := Hash("short", fastParams()); err == nil { |
| 45 | t.Fatal("expected error for short password") |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | func TestVerify_RejectsMalformed(t *testing.T) { |
| 50 | t.Parallel() |
| 51 | cases := []string{ |
| 52 | "", |
| 53 | "not-a-phc-string", |
| 54 | "$bcrypt$v=10$xxx", // wrong algo |
| 55 | "$argon2id$v=18$m=65536,t=3,p=2$AAAAAAAAAAAAAAAA$AAAAAA", // version mismatch |
| 56 | "$argon2id$v=19$bad-params$AAAAAAAAAAAAAAAA$AAAAAA", |
| 57 | } |
| 58 | for _, c := range cases { |
| 59 | if _, err := Verify("anything", c); err == nil { |
| 60 | t.Errorf("expected error for %q", c) |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | func TestVerifyAgainstDummy_DoesNotPanic(t *testing.T) { |
| 66 | t.Parallel() |
| 67 | MustGenerateDummy(fastParams()) |
| 68 | VerifyAgainstDummy("anything") |
| 69 | } |
| 70 | |
| 71 | func TestEncodeDecode_RoundTrip(t *testing.T) { |
| 72 | t.Parallel() |
| 73 | p := fastParams() |
| 74 | enc, err := Hash("ten-character-password", p) |
| 75 | if err != nil { |
| 76 | t.Fatalf("Hash: %v", err) |
| 77 | } |
| 78 | got, _, _, err := decode(enc) |
| 79 | if err != nil { |
| 80 | t.Fatalf("decode: %v", err) |
| 81 | } |
| 82 | if got.Memory != p.Memory || got.Time != p.Time || got.Threads != p.Threads { |
| 83 | t.Fatalf("params mismatch: got %+v want %+v", got, p) |
| 84 | } |
| 85 | } |
| 86 |