Merge remote-tracking branch 'origin/master'

krzyzanowskim · Apr 27, 2019 · 0cafa39 · 0cafa39
2 parents 75de7b7 + cca008b
commit 0cafa39
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/Sources/CryptoSwift/Foundation/Utils+Foundation.swift b/Sources/CryptoSwift/Foundation/Utils+Foundation.swift
@@ -2,6 +2,7 @@
 //  CryptoSwift
 //
 //  Copyright (C) 2014-2017 Marcin Krzyżanowski <marcin@krzyzanowskim.com>
+//  Copyright (C) 2019      Roger Miret Giné    <roger.miret@gmail.com>
 //  This software is provided 'as-is', without any express or implied warranty.
 //
 //  In no event will the authors be held liable for any damages arising from the use of this software.
@@ -25,3 +26,7 @@ func perf(_ text: String, closure: () -> Void) {
 
     print("\(text) \(executionTime)")
 }
+
+func rotl(_ a: UInt32, _ b: Int) -> UInt32 {
+    return (a << b) | (a >> (32 - b))
+}