BBASMPMSSignChecker.h
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//
// BBASMPMSSignChecker.h
// BBAMNP
//
// Created by baidu on 2019/3/19.
// Copyright © 2019 Baidu. All rights reserved.
//
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
/**
* PMS package signature checker.
*/
@interface BBASMPMSSignChecker : NSObject
/**
* @brief Get MD5 value from signature using RSA decrypt.
*
* @param sign Package signature.
* @return MD5 value.
*/
+ (NSString *)md5WithSign:(NSString *)sign;
/**
* @brief Verify the file with a given MD5 value.
*
* @param md5 A given MD5 value.
* @param filePath The downloaded file path.
* @return Whether the file is valid.
*/
+ (BOOL)verifyMD5:(NSString *)md5
aboutFile:(NSString *)filePath;
/**
* @brief Verify the file with the signature.
*
* @param sign signature from pms server.
* @param filePath The downloaded file path.
* @return Whether the file is valid.
*/
+ (BOOL)verifySign:(NSString *)sign
aboutFile:(NSString *)filePath;
/**
* @brief Verify the file with the signature.
*
* @param sign signature from pms server.
* @param MD5 A given MD5 value.
* @return Whether the MD5 is valid.
*/
+ (BOOL)verifySign:(NSString *)sign
withMD5:(NSString *)MD5;
#pragma mark - Dynamic MD5 digest
/**
* @brief CC_MD5_Init, initialize md5 context.
*/
- (void)md5Init;
/**
* @brief CC_MD5_Update, update data for md5 context.
*/
- (void)md5UpdateWithData:(NSData *)data;
/**
* @brief CC_MD5_Final, get final md5 value.
*
* @return Fianl md5 value of the whole data.
*/
- (NSString *)md5Final;
@end
NS_ASSUME_NONNULL_END