98 lines
3.0 KiB
Swift
98 lines
3.0 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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import CommonCrypto
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public let AesIVSize = 16
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public typealias AesOptions = Int
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public extension AesOptions {
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static let CBCMode = 0
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static let PKCS7Padding = kCCOptionPKCS7Padding
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static let ECBMode = kCCOptionECBMode
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}
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public struct AesStreamError: LocalizedError {
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public enum Kind {
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case paramError
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case bufferTooSmall
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case memoryFailure
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case alignmentError
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case decodeError
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case unimplemented
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case overflow
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case rngFailure
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case unspecifiedError
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case callSequenceError
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case keySizeError
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case ivSizeError
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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, code: Int32) {
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self.file = String(describing: file)
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self.line = line
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switch Int(code) {
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case kCCParamError:
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kind = .paramError
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case kCCBufferTooSmall:
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kind = .bufferTooSmall
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case kCCMemoryFailure:
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kind = .memoryFailure
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case kCCAlignmentError:
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kind = .alignmentError
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case kCCDecodeError:
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kind = .decodeError
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case kCCUnimplemented:
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kind = .unimplemented
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case kCCOverflow:
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kind = .overflow
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case kCCRNGFailure:
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kind = .rngFailure
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case kCCUnspecifiedError:
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kind = .unspecifiedError
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case kCCCallSequenceError:
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kind = .callSequenceError
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case kCCKeySizeError:
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kind = .keySizeError
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case kCCAlignmentError:
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kind = .alignmentError
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default:
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kind = .otherError(code: code)
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}
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}
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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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}
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