jixin_new/shiku_im/util/JXMsgUtil.h

//
//  JXMsgUtil.h
//  shiku_im
//
//  Created by p on 2019/7/31.
//  Copyright © 2019 Reese. All rights reserved.
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface JXMsgUtil : NSObject

@property (nonatomic, strong) NSMutableDictionary *verifyFailedDic; // 存储验签失败消息
@property (nonatomic,strong) NSMutableArray *getDHListIds;   // 用户如果正在调用获取公钥列表接口，将用户userId存入此数组，做标志位

/**
 DH私钥PEM
 */
@property (strong, nonatomic) NSString *dhPrivatePem; // pem格式
@property (strong, nonatomic) NSString *dhPrivateKey; // 普通格式

/**
 DH公钥PEM
 */
@property (strong, nonatomic) NSString *dhPublicPem;  // pem格式
@property (strong, nonatomic) NSString *dhPublicKey;  // 普通格式

// RSA公私钥
@property (strong, nonatomic) NSString *rsaPrivateKey; // RSA私钥
@property (strong, nonatomic) NSString *rsaPublicKey;  // RSA公钥

+ (instancetype)sharedManager;

// 生成DH秘钥对
- (void) generatekeyPairsDH;
// 生成群组使用的RSA秘钥对
- (void) generatekeyPairsRSA;

// 获取对称秘钥S
- (NSData *)getMsgContentKeyWithMsgId:(NSString *)msgId key:(NSString *)key;

// 获取存储本地数据库aes加密后的content
- (NSString *)encryptInsertChatMsgContent:(NSString *)content msgId:(NSString *)msgId;
- (NSString *)decryptInsertChatMsgContent:(NSString *)content msgId:(NSString *)msgId;
// 获取单聊消息验参
- (NSString *)getChatMsgMacWithContent:(NSString *)content fromUserId:(NSString *)fromUserId toUserId:(NSString *)toUserId isEncrypt:(NSInteger)isEncrypt msgId:(NSString *)msgId publicKey:(NSString *)publicKey ;

// 获取群聊存储本地数据库aes加密后的对称秘钥
- (NSString *)encryptRoomMsgKey:(NSString *)roomJid randomKey:(NSString *)randomKey;
- (NSString *)decryptRoomMsgKey:(NSString *)roomJid randomKey:(NSString *)randomKey;
// 获取群聊消息验参
- (NSString *)getRoomMsgMacWithContent:(NSString *)content fromUserId:(NSString *)fromUserId isEncrypt:(NSInteger)isEncrypt msgId:(NSString *)msgId randomKey:(NSString *)randomKey;

// 单聊发消息加密
- (NSString *)encryptContentWithPublicKey:(NSString *)publicKey content:(NSString *)content msgId:(NSString *)msgId;
// 单聊发消息解密
- (NSString *)decryptContentWithPublicKey:(NSString *)publicKey content:(NSString *)content msgId:(NSString *)msgId;

// 群聊消息加密
- (NSString *)encryptRoomContentWithUser:(JXUserObject *)user content:(NSString *)content;
// 群聊消息解密
- (NSString *)decryptRoomContentWithUser:(JXUserObject *)user content:(NSString *)content;

// 获取好友公钥list
- (void)getDHPublicKeyWithUserId:(NSString *)userId;
// 获取群组的消息秘钥
- (void)getChatKeyGroupWithRoomId:(NSString *)roomId;


#pragma mark - 群组
// 

@end

NS_ASSUME_NONNULL_END