Ihar Katkavets
86 lines
3.1 KiB
Swift
86 lines
3.1 KiB
Swift
//
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// The MIT License (MIT)
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//
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// Copyright (c) 2023 Ihar Katkavets
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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import Foundation
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public let TwoFishIVSize = 16
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public struct TwoFishStreamError: LocalizedError {
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public enum Kind {
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case fillKeyedSBoxes
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case notInitialized
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case illegalKeyLength
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case platformUnsuitableUInt32
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case platformUnsuitableByte
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case platformGet32ImplementedImproperly
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case platformPut32ImplementedImproperly
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case platformRolRoRImplementedImproperly
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case platformBSwapUndefined
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case platformSelectByteTestImplementedImproperly
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case testEncryptionFail
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case testDecryptionFail
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case testSequenceEncryptionFail
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case testSequenceDecryptionFail
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case testOddSizedKeysFail
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case keySizeError
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case ivSizeError
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case dataNotAligned
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case otherError(code: Int32)
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}
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public let file: String
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public let line: Int
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public let kind: Kind
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internal init(file: String = #file, line: Int = #line, kind: Kind) {
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self.file = String(describing: file)
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self.line = line
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self.kind = kind
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}
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internal init(file: String = #file, line: Int = #line, code: Int32) {
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self.file = String(describing: file)
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self.line = line
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let mapper: [Int32: Kind] = [
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1: .fillKeyedSBoxes,
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2: .notInitialized,
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3: .illegalKeyLength,
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101: .platformUnsuitableUInt32,
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102: .platformUnsuitableByte,
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103: .platformGet32ImplementedImproperly,
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104: .platformPut32ImplementedImproperly,
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105: .platformRolRoRImplementedImproperly,
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106: .platformBSwapUndefined,
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107: .platformSelectByteTestImplementedImproperly,
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108: .testEncryptionFail,
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109: .testDecryptionFail,
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110: .testSequenceEncryptionFail,
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111: .testSequenceDecryptionFail,
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112: .testOddSizedKeysFail
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]
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self.kind = mapper[code] ?? .otherError(code: code)
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}
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}
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