ffried

- (UIImage *)fixRotation
{
    if (self.imageOrientation == UIImageOrientationUp) return self;
    CGAffineTransform transform = CGAffineTransformIdentity;
    
    switch (self.imageOrientation) {
        case UIImageOrientationDown:
        case UIImageOrientationDownMirrored:
            transform = CGAffineTransformTranslate(transform, self.size.width, self.size.height);
            transform = CGAffineTransformRotate(transform, M_PI);

ffried

extension UIImage {
    public func imageRotatedByDegrees(degrees: CGFloat) -> UIImage {
        let radiansToDegrees: (CGFloat) -> CGFloat = {
            return $0 * (180.0 / CGFloat(M_PI))
        }
        let degreesToRadians: (CGFloat) -> CGFloat = {
            return $0 / (180.0 * CGFloat(M_PI))
        }
        
        // calculate the size of the rotated view's containing box for our drawing space

ffried

import UIKit
import Security

class Keychain {
    
    class func save(key: String, data: NSData) -> Bool {
        let query: [String: AnyObject] = [
            kSecClass       : kSecClassGenericPassword,
            kSecAttrAccount : key,
            kSecValueData   : data ]