CN103532958A - Method for encrypting website resources - Google Patents
Method for encrypting website resources Download PDFInfo
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- CN103532958A CN103532958A CN201310492735.6A CN201310492735A CN103532958A CN 103532958 A CN103532958 A CN 103532958A CN 201310492735 A CN201310492735 A CN 201310492735A CN 103532958 A CN103532958 A CN 103532958A
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Abstract
The invention discloses a method for encrypting website resources. The method comprises the following steps: S1, performing format conversion for two times on resource files: uniformly converting into PDF formats, and then converting into SWF files; S2, converting and encrypting the folder name of a resource folder with an encryption algorithm, saving the encrypted resource folder; S3, deleting an unencrypted resource folder, and uploading the encrypted resource folder from a current server to a resource server by calling Web service; S4, verifying the identity of a logged user; S5, providing a folder decryption key for a verified user; S6, remotely decrypting the folder by using the decryption key, resolving the real address of the resource folder; S7, downloading the resource files. According to the method, the original paths of encrypted files are hidden to prevent the website resources from being downloaded maliciously, so that the files are prevented from being accessed illegally, and the safety of website resources is ensured.
Description
Technical field
The present invention relates to network security technology field, specifically a kind of method that site resource is encrypted.
Background technology
Carry out on the internet the commercial exchanges such as file transfer and Email and have many unsafe factors, particularly for some major companies and some classified papers in transmission over networks, this insecurity is that the Internet existence foundation---ICP/IP protocol is intrinsic, comprises some services based on TCP/IP.In order to guarantee safety, must be encrypted file.
The effect being encrypted on network is exactly to prevent that useful or privatization information is blocked and steals on network.A simple example is exactly the transmission of password, and computer cryptography is very important, and many security protection systems are based on password, and the leakage of password means the total collapse of its security system in some sense.While logining by network, the password of keying in is transferred to server with form expressly, and eavesdropping on network is one and is very easy to thing, so very possible hacker can steal user's password, if user is Root user or Administrator user, that consequence will be very serious.
Summary of the invention
For above-mentioned deficiency, the invention provides a kind of method that site resource is encrypted, it transforms by the path of depositing to file, not only can prevent that file is by unauthorized access, and guarantees the fail safe of site resource.
The present invention solves the technical scheme that its technical problem takes: a kind of method that site resource is encrypted, it is characterized in that, and comprise the following steps:
S1, carries out secondary format conversion to resource file, and first according to file type, unification converts PDF to, and then converts the PDF file after conversion to SWF file;
S2, carries out Folder Name by resource file folder by cryptographic algorithm and transforms encryption, and preserves the resource file folder after encrypting;
S3, deletes the resource file folder before encrypting, and the resource file folder after encrypting is uploaded to Resource Server by called Web service from current server;
S4, carries out authentication to login user;
S5, provides file decryption key to authentication of users;
S6, utilizes decryption key to carry out Remote Folder deciphering, parses real resource files folder address;
S7, carries out resource file download.
Preferably, in said method, described resource file comprises word file, Excel file and pdf document.
Further, in said method, described cryptographic algorithm comprises symmetric encipherment algorithm or rivest, shamir, adelman.
Preferably, in said method, described symmetric encipherment algorithm comprises DES algorithm, 3DES algorithm, TDEA algorithm, Blowfish algorithm, RC5 algorithm or IDEA algorithm.
Preferably, in said method, described rivest, shamir, adelman comprises RSA Algorithm, Elgamal algorithm, knapsack algorithm, Rabin algorithm, D-H algorithm or ECC algorithm.
The invention has the beneficial effects as follows: first the present invention carries out format conversion by site resource file, the unified SWF formatted file that is converted to, then by the path of depositing of resource file folder is transformed, make the resource file folder path after encrypting become a lot of mess codes without any practical significance, and be deployed on the specific resource server in local area network (LAN), even if having decoded the storage address of file, hacker also haves no right file to conduct interviews, so not only prevented that file is by unauthorized access, and guaranteed the fail safe of site resource.
Accompanying drawing explanation
Fig. 1 is method flow diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of method that site resource is encrypted of the present invention, it comprises the following steps:
S1, carries out secondary format conversion to resource files such as word file, Excel file and pdf documents, and first according to file type, unification converts PDF to, and then converts the PDF file after conversion to SWF file.
S2, carries out Folder Name by resource file folder by symmetric encipherment algorithm or rivest, shamir, adelman and transforms encryption, and preserves the resource file folder after encrypting.
S3, deletes the resource file folder before encrypting, and the resource file folder after encrypting is uploaded to Resource Server by called Web service from current server.
S4, carries out download permission authentication to login user.
S5, provides file decryption key to authentication of users.
S6, utilizes decryption key to carry out Remote Folder deciphering, parses real resource files folder address.
S7, carries out resource file download.
In said method, described symmetric encipherment algorithm comprises DES algorithm, 3DES algorithm, TDEA algorithm, Blowfish algorithm, RC5 algorithm or IDEA algorithm; Described rivest, shamir, adelman comprises RSA Algorithm, Elgamal algorithm, knapsack algorithm, Rabin algorithm, D-H algorithm or ECC algorithm.
The present invention adopts the original path of depositing the concealed encrypted file of mode that path transforms of resource file folder is prevented to site resource is by malicious downloading, compares other existing resource file encryption modes, and it has the following advantages:
1) cipher mode of the present invention is a set of cipher mode of combining closely with operating system, its some important steps run on operating system bottom, but not the network system of external disclosure, because operating system itself has a series of control of authority scheme to file access authority, thereby the file on guarantee storage medium is all the time in the encryption stage.
2), for internal network, almost without any need for processing, just can access the file after encryption.
3), for external network, file path is all the unordered mess code after encrypting, and only has authenticated user just can be decrypted operation.
4) cipher mode is flexible, only need to configure several parameters and just can upload from file, and path is encrypted to transform and waited place to rewrite encryption rule.
5) carry out remote deployment and far call, even if outer network server is not had the user name password of file download permission cannot find true download path by attack yet, because unified plan is on remote file service device, even if find true download path also without download permission.
The above is the preferred embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications are also regarded as protection scope of the present invention.
Claims (5)
1. method site resource being encrypted, is characterized in that, comprises the following steps:
S1, carries out secondary format conversion to resource file, and first according to file type, unification converts PDF to, and then converts the PDF file after conversion to SWF file;
S2, carries out Folder Name by resource file folder by cryptographic algorithm and transforms encryption, and preserves the resource file folder after encrypting;
S3, deletes the resource file folder before encrypting, and the resource file folder after encrypting is uploaded to Resource Server by called Web service from current server;
S4, carries out authentication to login user;
S5, provides file decryption key to authentication of users;
S6, utilizes decryption key to carry out Remote Folder deciphering, parses real resource files folder address;
S7, carries out resource file download.
2. a kind of method that site resource is encrypted according to claim 1, is characterized in that, described resource file comprises word file, Excel file and pdf document.
3. a kind of method that site resource is encrypted according to claim 1, is characterized in that, described cryptographic algorithm comprises symmetric encipherment algorithm or rivest, shamir, adelman.
4. a kind of method that site resource is encrypted according to claim 3, is characterized in that, described symmetric encipherment algorithm comprises DES algorithm, 3DES algorithm, TDEA algorithm, Blowfish algorithm, RC5 algorithm or IDEA algorithm.
5. a kind of method that site resource is encrypted according to claim 3, is characterized in that, described rivest, shamir, adelman comprises RSA Algorithm, Elgamal algorithm, knapsack algorithm, Rabin algorithm, D-H algorithm or ECC algorithm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310492735.6A CN103532958A (en) | 2013-10-21 | 2013-10-21 | Method for encrypting website resources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310492735.6A CN103532958A (en) | 2013-10-21 | 2013-10-21 | Method for encrypting website resources |
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| CN103532958A true CN103532958A (en) | 2014-01-22 |
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| CN201310492735.6A Pending CN103532958A (en) | 2013-10-21 | 2013-10-21 | Method for encrypting website resources |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107633178A (en) * | 2017-09-29 | 2018-01-26 | 厦门天锐科技股份有限公司 | A kind of file protecting system and method based on Android device |
| US10193875B2 (en) | 2014-12-19 | 2019-01-29 | Xiaomi Inc. | Method and apparatus for controlling access to surveillance video |
| CN112861177A (en) * | 2021-02-05 | 2021-05-28 | 深圳市辰星瑞腾科技有限公司 | Computer defense system based on Internet of things |
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Application publication date: 20140122 |