| 1 | module asn1 |
| 2 | |
| 3 | // taken examples from https://letsencrypt.org/id/docs/a-warm-welcome-to-asn1-and-der/#explicit-vs-implicit |
| 4 | fn test_encode_with_or_without_options() ! { |
| 5 | // Utf8String with tag == 12 (0c) |
| 6 | obj := Utf8String.new('hi')! |
| 7 | |
| 8 | // without options |
| 9 | out_1 := encode(obj)! |
| 10 | normal := [u8(0x0C), 0x02, 0x68, 0x69] |
| 11 | assert out_1 == normal |
| 12 | |
| 13 | // with implicit definded as [5] IMPLICIT UTF8String was serialized into 85 02 68 69 |
| 14 | impl_expected := [u8(0x85), 0x02, 0x68, 0x69] |
| 15 | out_2 := encode_with_options(obj, 'context_specific:5;implicit;inner:12')! |
| 16 | assert out_2 == impl_expected |
| 17 | |
| 18 | // as explicit tagging defined as [5] EXPLICIT UTF8String encoded into A5 04 0C 02 68 69 |
| 19 | expl_expected := [u8(0xA5), 0x04, 0x0C, 0x02, 0x68, 0x69] |
| 20 | out_3 := encode_with_options(obj, 'context_specific:5;explicit;inner:0x0c')! |
| 21 | assert out_3 == expl_expected |
| 22 | } |
| 23 | |