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Pods/SwiftyRSA/Source/Signature.swift

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+//
+//  Signature.swift
+//  SwiftyRSA
+//
+//  Created by Loïs Di Qual on 9/19/16.
+//  Copyright © 2016 Scoop. All rights reserved.
+//
+
+import Foundation
+
+public class Signature {
+    
+    public enum DigestType {
+        case sha1
+        case sha224
+        case sha256
+        case sha384
+        case sha512
+        
+        var padding: Padding {
+            switch self {
+            case .sha1: return .PKCS1SHA1
+            case .sha224: return .PKCS1SHA224
+            case .sha256: return .PKCS1SHA256
+            case .sha384: return .PKCS1SHA384
+            case .sha512: return .PKCS1SHA512
+            }
+        }
+    }
+    
+    /// Data of the signature
+    public let data: Data
+    
+    /// Creates a signature with data.
+    ///
+    /// - Parameter data: Data of the signature
+    public init(data: Data) {
+        self.data = data
+    }
+    
+    /// Creates a signature with a base64-encoded string.
+    ///
+    /// - Parameter base64String: Base64-encoded representation of the signature data.
+    /// - Throws: SwiftyRSAError
+    public convenience init(base64Encoded base64String: String) throws {
+        guard let data = Data(base64Encoded: base64String) else {
+            throw SwiftyRSAError.invalidBase64String
+        }
+        self.init(data: data)
+    }
+    
+    /// Returns the base64 representation of the signature.
+    public var base64String: String {
+        return data.base64EncodedString()
+    }
+}