text: //
  //  NSData+FDJUtility.h
  //  FDJUtility
  //
  //  Created by mac on 2019/9/12.
  //
  
  #import <Foundation/Foundation.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface NSData (FDJUtility)
  
  - (NSString * (^)(void))fdj_md5;
  - (NSString * (^)(void))fdj_sha1;
  - (NSString * (^)(void))fdj_sha256;
  - (NSString * (^)(void))fdj_sha512;
  - (NSString * (^)(void))fdj_base64;
  
  - (NSData * (^)(void))fdj_md5Data;
  - (NSData * (^)(void))fdj_sha1Data;
  - (NSData * (^)(void))fdj_sha256Data;
  - (NSData * (^)(void))fdj_sha512Data;
  - (NSData * (^)(void))fdj_base64Data;
  
  @end
  
  NS_ASSUME_NONNULL_END
  