Split out into separate files

SecretAgentKit/OpenSSHReader.swift

@@ -1,25 +0,0 @@
-import Foundation
-
-public class OpenSSHReader {
-
-    var remaining: Data
-
-    public init(data: Data) {
-        remaining = Data(data)
-    }
-
-    public func readNextChunk() throws -> Data {
-        let lengthRange = 0..<(UInt32.bitWidth/8)
-        let lengthChunk = remaining[lengthRange]
-        remaining.removeSubrange(lengthRange)
-        let littleEndianLength = lengthChunk.withUnsafeBytes { pointer in
-            return pointer.load(as: UInt32.self)
-        }
-        let length = Int(littleEndianLength.bigEndian)
-        let dataRange = 0..<length
-        let ret = Data(remaining[dataRange])
-        remaining.removeSubrange(dataRange)
-        return ret
-    }
-
-}