CN215576603U - Hard disk medium encryption device - Google Patents
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- CN215576603U CN215576603U CN202121949967.6U CN202121949967U CN215576603U CN 215576603 U CN215576603 U CN 215576603U CN 202121949967 U CN202121949967 U CN 202121949967U CN 215576603 U CN215576603 U CN 215576603U
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Abstract
The utility model discloses a hard disk medium encryption device which comprises a PCI-E interface module, a password storage module, a hard disk encryption and decryption module, a hard disk interface module and a mainboard SATA interface module, wherein the password storage module is connected with the PCI-E interface module, the PCI-E interface module is connected with the hard disk encryption and decryption module, and the hard disk encryption and decryption module is respectively connected with the hard disk interface module and the mainboard SATA interface module. The utility model displays the interface after each startup or restart, and after the user inputs the password, the password input by the user is compared with the password in the password storage module, and the verification can be passed only if the password input by the user is completely consistent with the password in the password storage module. After the verification is passed, a signal is sent to the hard disk encryption and decryption module to inform the hard disk encryption and decryption module to decrypt, and the computer normally enters an operating system, so that the protection is strong and the protection effect is good.
Description
Technical Field
The utility model relates to the field of encryption, in particular to a hard disk medium encryption device.
Background
How to keep data secret has always been a very important research field. While hard disks are the main storage devices, the research on encryption thereof is a hot branch.
In the current computer field, a very large amount of software provides a corresponding encryption scheme. Even on operating systems, the original ecology provides cryptographic support. For example, BitLock of Windows and ecryptfs of Linux are both kernel layers of the operating system, and data can be encrypted when the file system runs.
However, since the software encryption method is complicated and depends on the implementation of the operating system, the generality of the software encryption method is not universal enough. And because the key is stored inside the operating system, theoretically, if the operating system is breached, the security of the operating system cannot be guaranteed.
Therefore, we propose a hardware encryption device, that is, a hard disk medium encryption device. The device exists between a hard disk and a main board connected with the hard disk, and encryption is carried out at a hard disk transmission protocol layer. The encryption mode does not depend on an operating system, and the key is completely stored in the device, so that the data security in the hard disk can be effectively protected.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to solve the technical problem of providing a hard disk medium encryption device aiming at the defects of the prior art.
In order to solve the technical problem, the utility model discloses a hard disk medium encryption device which comprises a PCI-E interface module, a password storage module, a hard disk encryption and decryption module, a hard disk interface module and a mainboard SATA interface module, wherein the password storage module is connected with the PCI-E interface module, the PCI-E interface module is connected with the hard disk encryption and decryption module, and the hard disk encryption and decryption module is respectively connected with the hard disk interface module and the mainboard SATA interface module.
In the present invention, the hard disk encryption and decryption module includes a module M1, the PCI-E interface module includes a chip U1, a 23 rd pin of the module M1 is connected to a 37 th pin of the chip U1, a 24 th pin of the module M1 is connected to a 26 th pin of the chip U1, a 25 th pin of the module M1 is connected to a 25 th pin of the chip U1, a 26 th pin of the module M1 is connected to a 31 th pin of the chip U1, a 27 th pin of the module M1 is connected to a 32 th pin of the chip U1, and a 28 th pin of the module M1 is connected to a 42 th pin of the chip U1.
In the utility model, the password storage module comprises a chip U3, a pin 6 of a chip U3 is connected with a pin 17 of a chip U1, a pin 1 of a chip U3 is connected with a pin 20 of a chip U1, and a pin 2 of a chip U3 is connected with a pin 19 of a chip U1.
In the utility model, the main board SATA interface module comprises a connector SATA1, a 30 th pin of a module M1 is connected to a 6 th pin of the connector SATA1, a 31 th pin of the module M1 is connected to a 5 th pin of the connector SATA1, a 33 th pin of a module M1 is connected to a 3 rd pin of the connector SATA1, and a 34 th pin of the module M1 is connected to a2 nd pin of the connector SATA 1;
In the utility model, the hard disk interface module includes a connector SATA2, the 10 th pin of the module M1 is connected with the 6 th pin of the connector SATA2, the 11 th pin of the module M1 is connected with the 5 th pin of the connector SATA2, the 13 th pin of the module M1 is connected with the 3 rd pin of the connector SATA2, and the 14 th pin of the module M1 is connected with the 2 nd pin of the connector SATA 2.
In the utility model, the hard disk interface module is a standard SATA 7P interface or MSATA interface.
Has the advantages that: the utility model displays the interface after each startup or restart, and after the user inputs the password, the password input by the user is compared with the password in the password storage module, and the verification can be passed only if the password input by the user is completely consistent with the password in the password storage module. After the verification is passed, a signal is sent to the hard disk encryption and decryption module to inform the hard disk encryption and decryption module to decrypt, and the computer normally enters an operating system, so that the protection is strong and the protection effect is good.
The hard disk encryption and decryption module is hardware encryption, and has better safety performance compared with software encryption.
Drawings
The foregoing and/or other advantages of the utility model will become further apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic block diagram;
FIG. 2 is a circuit diagram of a hard disk encryption and decryption module;
FIG. 3 is a circuit schematic of a PCI-E interface module;
FIG. 4 is a circuit schematic of a cryptographic memory module.
Detailed Description
Example (b):
as shown in fig. 1, the present embodiment includes a PCI-E interface module, a password storage module, a hard disk encryption and decryption module, a hard disk interface module, and a motherboard SATA interface module, where the password storage module is connected to the PCI-E interface module, the PCI-E interface module is connected to the hard disk encryption and decryption module, and the hard disk encryption and decryption module is respectively connected to the hard disk interface module and the motherboard SATA interface module.
As shown in fig. 2 and fig. 3, in this embodiment, the hard disk encryption and decryption module includes a module M1, the PCI-E interface module includes a chip U1, the chip U1 employs a CH366 of changcheng corporation, a 23 rd pin of the module M1 is connected to a 37 th pin of the chip U1, a 24 th pin of the module M1 is connected to a 26 th pin of the chip U1, a 25 th pin of the module M1 is connected to a 25 th pin of the chip U1, a 26 th pin of the module M1 is connected to a 31 th pin of the chip U1, a 27 th pin of the module M1 is connected to a 32 th pin of the chip U1, and a 28 th pin of the module M1 is connected to a 42 th pin of the chip U1.
As shown in fig. 4, in this embodiment, the cryptographic storage module includes a chip U3, the chip U3 adopts SST25VF010A of SST corporation, a pin 6 of the chip U3 is connected to a pin 17 of the chip U1, a pin 1 of the chip U3 is connected to a pin 20 of the chip U1, and a pin 2 of the chip U3 is connected to a pin 19 of the chip U1.
In this embodiment, the main board SATA interface module includes a connector SATA1, pin 30 of module M1 is connected to pin 6 of connector SATA1, pin 31 of module M1 is connected to pin 5 of connector SATA1, pin 33 of module M1 is connected to pin 3 of connector SATA1, and pin 34 of module M1 is connected to pin 2 of connector SATA 1;
In this embodiment, the hard disk interface module includes a connector SATA2, the 10 th pin of the module M1 is connected to the 6 th pin of the connector SATA2, the 11 th pin of the module M1 is connected to the 5 th pin of the connector SATA2, the 13 th pin of the module M1 is connected to the 3 rd pin of the connector SATA2, and the 14 th pin of the module M1 is connected to the 2 nd pin of the connector SATA 2.
PCI-E interface module: and displaying the power-on password input interface. The password must be set for the first use and stored in the password storage module. And after the password is input by the user, the password input by the user is compared with the password in the password storage module, and the password can be verified to pass only if the password is completely consistent. After the verification is passed, a signal is sent to the hard disk encryption/decryption module to inform the hard disk encryption/decryption module to decrypt, and the computer normally enters an operating system.
A password storage module: and the PCI-E interface module is connected with the PCI-E interface module and is used for storing the password set by the user.
Hard disk encryption/decryption module: hardware encryption is adopted, and the encryption of a soft part is safer.
Mainboard SATA interface: the system is divided into an SATA data interface and an SATA power interface. The SATA interface is connected with the main board SATA data interface through a SATA data line and is connected with the main board SATA power interface through a SATA power line. If the SATA power supply is provided by the case power supply, the SATA power line in the case power supply is directly connected to the SATA power interface.
Hard disk interface: the hard disk can adopt a hard disk with a standard SATA interface and can also adopt a solid state disk with an MSATA interface.
The present invention provides a method and a system for encrypting a hard disk medium, and a method and a system for implementing the method and the system are many, and the above description is only a preferred embodiment of the present invention, and it should be noted that, for a person skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (6)
1. A hard disk medium encryption device is characterized by comprising a PCI-E interface module, a password storage module, a hard disk encryption and decryption module, a hard disk interface module and a mainboard SATA interface module, wherein the password storage module is connected with the PCI-E interface module, the PCI-E interface module is connected with the hard disk encryption and decryption module, and the hard disk encryption and decryption module is respectively connected with the hard disk interface module and the mainboard SATA interface module.
2. The hard disk medium encryption device of claim 1, wherein the hard disk encryption and decryption module comprises a module M1, the PCI-E interface module comprises a chip U1, a 23 rd pin of the module M1 is connected with a 37 th pin of the chip U1, a 24 th pin of the module M1 is connected with a 26 th pin of the chip U1, a 25 th pin of the module M1 is connected with a 25 th pin of the chip U1, a 26 th pin of the module M1 is connected with a 31 th pin of the chip U1, a 27 th pin of the module M1 is connected with a 32 th pin of the chip U1, and a 28 th pin of the module M1 is connected with a 42 th pin of the chip U1.
3. The hard disk medium encryption device of claim 2, wherein the password storage module comprises a chip U3, a pin 6 of a chip U3 is connected with a pin 17 of a chip U1, a pin 1 of a chip U3 is connected with a pin 20 of a chip U1, and a pin 2 of a chip U3 is connected with a pin 19 of a chip U1.
4. The hard disk medium encryption device of claim 3, wherein the main board SATA interface module includes a connector SATA1, a 30 th pin of the module M1 is connected to a 6 th pin of the connector SATA1, a 31 th pin of the module M1 is connected to a 5 th pin of the connector SATA1, a 33 th pin of the module M1 is connected to a 3 rd pin of the connector SATA1, a 34 th pin of the module M1 is connected to a2 nd pin of the connector SATA1, a1 st pin, a 4 th pin, a 7 th pin, an 11 th pin, a 12 th pin, a 13 th pin, a 17 th pin, an 18 th pin, a 19 th pin of the connector SATA1 are grounded, and a 14 th pin, a 15 th pin, a 16 th pin of the connector SATA1 is connected to a +5V power supply.
5. The hard disk medium encryption device of claim 4, wherein the hard disk interface module includes a connector SATA2, pin 10 of the module M1 is connected to pin 6 of the connector SATA2, pin 11 of the module M1 is connected to pin 5 of the connector SATA2, pin 13 of the module M1 is connected to pin 3 of the connector SATA2, and pin 14 of the module M1 is connected to pin 2 of the SATA connector 2.
6. The apparatus as claimed in claim 5, wherein the hard disk interface module is a standard SATA 7P interface or MSATA interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121949967.6U CN215576603U (en) | 2021-08-19 | 2021-08-19 | Hard disk medium encryption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121949967.6U CN215576603U (en) | 2021-08-19 | 2021-08-19 | Hard disk medium encryption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215576603U true CN215576603U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121949967.6U Active CN215576603U (en) | 2021-08-19 | 2021-08-19 | Hard disk medium encryption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215576603U (en) |
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2021
- 2021-08-19 CN CN202121949967.6U patent/CN215576603U/en active Active
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