mirror of
https://github.com/vlang/v.git
synced 2025-08-03 17:57:59 -04:00
30 lines
1.2 KiB
V
30 lines
1.2 KiB
V
// Copyright (c) 2022, 2024 blackshirt. All rights reserved.
|
|
// Use of this source code is governed by a MIT License
|
|
// that can be found in the LICENSE file.
|
|
module asn1
|
|
|
|
// examples data was taken examples from https://letsencrypt.org/id/docs/a-warm-welcome-to-asn1-and-der/#explicit-vs-implicit
|
|
fn test_decode_element_with_or_without_options() ! {
|
|
// Utf8String with tag == 12 (0c)
|
|
original_obj := Utf8String.new('hi')!
|
|
|
|
// without options
|
|
normal := [u8(0x0C), 0x02, 0x68, 0x69]
|
|
obj_1 := decode(normal)!
|
|
assert obj_1.equal(original_obj)
|
|
|
|
// with implicit definded as [5] IMPLICIT UTF8String was serialized into 85 02 68 69
|
|
implicit_data := [u8(0x85), 0x02, 0x68, 0x69]
|
|
obj_2 := decode_with_options(implicit_data, 'context_specific:5;implicit;inner:12')!
|
|
|
|
assert obj_2.equal(original_obj)
|
|
// dump(obj_2) // Output: obj_2: asn1.Element(Utf8String: (hi))
|
|
|
|
// as explicit tagging defined as [5] EXPLICIT UTF8String encoded into A5 04 0C 02 68 69
|
|
explicit_data := [u8(0xA5), 0x04, 0x0C, 0x02, 0x68, 0x69]
|
|
obj_3 := decode_with_options(explicit_data, 'context_specific:5;explicit;inner:0x0c')!
|
|
|
|
assert obj_3.equal(original_obj)
|
|
// dump(obj_3) // output: obj_3: asn1.Element(Utf8String: (hi))
|
|
}
|