iOS 隐私盾协议 - 安全数据加密方法

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface NSString (YPrivacyShield)

• (NSString *)y_md5StringFromString:(NSString *)str;
• (NSString *)y_hmacStringUsingAlg:(CCHmacAlgorithm)alg withKey:(NSString *)key fromString:(NSString *)str;

@end

NS_ASSUME_NONNULL_END