RyanBertrand

+(NSString *)createDownloadLinkForVaultID:(NSString *)vaultID blobID:(NSString *)blobID accessKey:(NSString *)accessKey secretKey:(NSString *)secretKey expiration:(NSDate *)expirationDate{
    NSString *expiration = @"2015-03-26T01:01:00+00:00";
    
    NSString *key = secretKey;
    NSString *data = expiration;
    const char *cKey = [key cStringUsingEncoding:NSUTF8StringEncoding];
    const char *cData = [data cStringUsingEncoding:NSUTF8StringEncoding];
    unsigned char cHMAC[CC_SHA256_DIGEST_LENGTH];
    CCHmac(kCCHmacAlgSHA256, cKey, strlen(cKey), cData, strlen(cData), cHMAC);
    NSData *hash = [[NSData alloc] initWithBytes:cHMAC length:sizeof(cHMAC)];

RyanBertrand

@interface HWQuestionControl : UIControl{
    
}
@property(nonatomic, strong)UILabel *titleLabel;
@property(nonatomic, strong)UIImageView *imageView;

@end

@interface HWQuestionControl (){
    

RyanBertrand

.container-fixed {
  bottom: 0;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
}

.container-fixed .col {
  height: 100%;