CN108616512B - 一种改进的ppt2003文件破译方法和装置 - Google Patents
一种改进的ppt2003文件破译方法和装置 Download PDFInfo
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- CN108616512B CN108616512B CN201810293532.7A CN201810293532A CN108616512B CN 108616512 B CN108616512 B CN 108616512B CN 201810293532 A CN201810293532 A CN 201810293532A CN 108616512 B CN108616512 B CN 108616512B
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- password
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- documentatom
- decryption
- verification
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012795 verification Methods 0.000 claims abstract description 76
- 238000004364 calculation method Methods 0.000 claims abstract description 37
- 150000003839 salts Chemical class 0.000 claims description 20
- 238000005336 cracking Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3234—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving additional secure or trusted devices, e.g. TPM, smartcard, USB or software token
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Storage Device Security (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810293532.7A CN108616512B (zh) | 2018-04-04 | 2018-04-04 | 一种改进的ppt2003文件破译方法和装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810293532.7A CN108616512B (zh) | 2018-04-04 | 2018-04-04 | 一种改进的ppt2003文件破译方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108616512A CN108616512A (zh) | 2018-10-02 |
CN108616512B true CN108616512B (zh) | 2021-01-19 |
Family
ID=63659644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810293532.7A Active CN108616512B (zh) | 2018-04-04 | 2018-04-04 | 一种改进的ppt2003文件破译方法和装置 |
Country Status (1)
Country | Link |
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CN (1) | CN108616512B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111050316B (zh) * | 2019-12-04 | 2023-01-20 | 惠州Tcl移动通信有限公司 | 锁卡方法及装置、计算机可读存储介质及终端设备 |
CN111783077A (zh) * | 2020-06-15 | 2020-10-16 | 中国电子科技集团公司第三十研究所 | TrueCrypt加密软件口令恢复方法、加密数据取证系统及存储介质 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1694394A (zh) * | 2005-04-14 | 2005-11-09 | 上海交通大学 | 文件口令的破解方法 |
US20070014416A1 (en) * | 2005-07-15 | 2007-01-18 | David Rivera | System and method for protecting against dictionary attacks on password-protected TPM keys |
CN103780379B (zh) * | 2012-10-19 | 2017-09-19 | 阿里巴巴集团控股有限公司 | 密码加密方法和系统以及密码校验方法和系统 |
CN107689869B (zh) * | 2016-08-05 | 2020-06-16 | 华为技术有限公司 | 用户口令管理的方法和服务器 |
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2018
- 2018-04-04 CN CN201810293532.7A patent/CN108616512B/zh active Active
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CN108616512A (zh) | 2018-10-02 |
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Address after: 510000 no.2-8, North Street, Nancun Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou huiruisitong Technology Co.,Ltd. Address before: 605, No.8, 2nd Street, Ping'an 2nd Road, Xianzhuang, lirendong village, Nancun Town, Panyu District, Guangzhou City, Guangdong Province 511442 Patentee before: GUANGZHOU HUIRUI SITONG INFORMATION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230207 Granted publication date: 20210119 |
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