//
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// CryptoSwift
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//
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// Copyright (C) 2014-2022 Marcin Krzyżanowski <marcin@krzyzanowskim.com>
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// This software is provided 'as-is', without any express or implied warranty.
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//
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// In no event will the authors be held liable for any damages arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
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//
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// - The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation is required.
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// - Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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// - This notice may not be removed or altered from any source or binary distribution.
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//
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public enum CipherError: Error {
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case encrypt
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case decrypt
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}
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public protocol Cipher: AnyObject {
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var keySize: Int { get }
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/// Encrypt given bytes at once
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///
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/// - parameter bytes: Plaintext data
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/// - returns: Encrypted data
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func encrypt(_ bytes: ArraySlice<UInt8>) throws -> Array<UInt8>
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func encrypt(_ bytes: Array<UInt8>) throws -> Array<UInt8>
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/// Decrypt given bytes at once
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///
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/// - parameter bytes: Ciphertext data
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/// - returns: Plaintext data
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func decrypt(_ bytes: ArraySlice<UInt8>) throws -> Array<UInt8>
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func decrypt(_ bytes: Array<UInt8>) throws -> Array<UInt8>
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}
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extension Cipher {
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public func encrypt(_ bytes: Array<UInt8>) throws -> Array<UInt8> {
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try self.encrypt(bytes.slice)
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}
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public func decrypt(_ bytes: Array<UInt8>) throws -> Array<UInt8> {
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try self.decrypt(bytes.slice)
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}
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}
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