tag.cc 710 B

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  1. // Copyright 2015 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "net/der/tag.h"
  5. #include "base/check_op.h"
  6. namespace net::der {
  7. Tag ContextSpecificConstructed(uint8_t tag_number) {
  8. DCHECK_EQ(tag_number, tag_number & kTagNumberMask);
  9. return (tag_number & kTagNumberMask) | kTagConstructed | kTagContextSpecific;
  10. }
  11. Tag ContextSpecificPrimitive(uint8_t base) {
  12. DCHECK_EQ(base, base & kTagNumberMask);
  13. return (base & kTagNumberMask) | kTagPrimitive | kTagContextSpecific;
  14. }
  15. bool IsConstructed(Tag tag) {
  16. return (tag & kTagConstructionMask) == kTagConstructed;
  17. }
  18. } // namespace net::der