// Copyright 2017 The Chromium Authors. All rights reserved. // Copyright (C) 2018 Apple Inc. All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following disclaimer // in the documentation and/or other materials provided with the // distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #pragma once #if ENABLE(WEB_AUTHN) #include <stdint.h> namespace cbor { namespace constants { // Mask selecting the low-order 5 bits of the "initial byte", which is where // the additional information is encoded. static constexpr uint8_t kAdditionalInformationMask = 0x1F; // Mask selecting the high-order 3 bits of the "initial byte", which indicates // the major type of the encoded value. static constexpr uint8_t kMajorTypeMask = 0xE0; // Indicates the number of bits the "initial byte" needs to be shifted to the // right after applying |kMajorTypeMask| to produce the major type in the // lowermost bits. static constexpr uint8_t kMajorTypeBitShift = 5u; // Indicates the integer is in the following byte. static constexpr uint8_t kAdditionalInformation1Byte = 24u; // Indicates the integer is in the next 2 bytes. static constexpr uint8_t kAdditionalInformation2Bytes = 25u; // Indicates the integer is in the next 4 bytes. static constexpr uint8_t kAdditionalInformation4Bytes = 26u; // Indicates the integer is in the next 8 bytes. static constexpr uint8_t kAdditionalInformation8Bytes = 27u; } // namespace constants } // namespace cbor #endif // ENABLE(WEB_AUTHN)