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Fix parsing u2f counter bytes >= 0x80

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Jonas Lochmann 2025-04-28 02:00:00 +02:00
parent 2e68798e2c
commit de0b6d1c8f
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1 changed files with 5 additions and 5 deletions
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10
app/src/main/java/io/timelimit/android/u2f/protocol/U2FResponse.kt
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@ -1,5 +1,5 @@
/*
* TimeLimit Copyright <C> 2019 - 2022 Jonas Lochmann
* TimeLimit Copyright <C> 2019 - 2025 Jonas Lochmann
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -64,10 +64,10 @@ object U2FResponse {
val flags = rawResponse.payload[0]
val counter = rawResponse.payload[4].toUInt() or
rawResponse.payload[3].toUInt().shl(8) or
rawResponse.payload[2].toUInt().shl(16) or
rawResponse.payload[1].toUInt().shl(24)
val counter = rawResponse.payload[4].toUByte().toUInt() or
rawResponse.payload[3].toUByte().toUInt().shl(8) or
rawResponse.payload[2].toUByte().toUInt().shl(16) or
rawResponse.payload[1].toUByte().toUInt().shl(24)
val signature = rawResponse.payload.sliceArray(5 until rawResponse.payload.size)