CN107070646A - The safe and reliable network transfer method hidden based on password - Google Patents

The safe and reliable network transfer method hidden based on password Download PDF

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Publication number
CN107070646A
CN107070646A CN201710034724.1A CN201710034724A CN107070646A CN 107070646 A CN107070646 A CN 107070646A CN 201710034724 A CN201710034724 A CN 201710034724A CN 107070646 A CN107070646 A CN 107070646A
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China
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mrow
mfrac
msub
formula
cryptopart
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CN201710034724.1A
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CN107070646B (en
Inventor
朱文忠
李晓峰
徐志鸽
俞维佳
蒋特
许志聘
朱龙泽
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
    • 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
    • H04L63/0407—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the identity of one or more communicating identities is hidden
    • 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
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/067—Network architectures or network communication protocols for network security for supporting key management in a packet data network using one-time keys
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds

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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)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A kind of safe and reliable network transfer method hidden based on password, using dynamic password, is realized that the password of " one-time pad " hides transmission, comprised the following steps：(1) file transmitting terminal is performed；(2) file transmitting terminal；(3) file reception end.

Description

The safe and reliable network transfer method hidden based on password
Technical field
The invention belongs to network information security encrypted transmission field, and in particular to it is a kind of based on password hide it is safe and reliable Network transfer method.
Background technology
In fast changing information environment, effective utilization of mapping information and information technology can make topographic support more In time, accurately, in advance, lifting overall support capability is significant.Real time implementation and spatialization geography information obtain system It is the major progress of geographic information data obtaining means.It is some in emergency circumstances, only pass through it is reliable quickly information transfer Passage, can just ensure information security and be sent to recipient, it is formulated processing solution early.By to the information transmission technology Research, the technology and method for being conducive to our positive Informations to gather, handle, transmit, control and use, to promote information The raising of technical guarantee efficiency, benefit and efficiency.
There are a large amount of defects in current existing encryption technology, can carry out known-plaintext by collecting a large amount of ciphertexts and original text and attack Hit, or pass through the defect of the public-key cryptography progress chosen -plain attact in asymmetric encryption.
The content of the invention
Cause the problem of information, destruction there is provided one kind based on close the invention solves the problems that static password is easily cracked by third party The hiding safe and reliable network transfer method of code.
A kind of safe and reliable network transfer method hidden based on password of the present invention, the technical scheme used is：
Using dynamic password, realize that the password of " one-time pad " hides transmission, the password of " one-time pad ", which is hidden, to be passed Transmission method, comprises the following steps：
(1), file transmitting terminal is performed
(1.1), start with from the security for solving password, the reliable file of Framework Secure；
(1.2), building a random fixed length character using random algorithm is used for the password of this file encryption, and encrypts text Part；
(1.3), set up and be connected with recipient, by the use of connection setup time as random parameter, setting code is hidden in text Position in part；
(1.4) transmission after, being hidden in password in the specified location of file；
(2) file transmitting terminal
(2.1) time of connection, is set up according to client and receiving terminal, the one hour value hour of its time and minute are worth Min is used as random parameter；
(2.2), password stowed position is determined by array local, and local arrays are by cryptopart starting point begin, and password is intersegmental Determined every blank, cryptopart size size；
(2.3), cryptopart starting point begin utilizes hour and min, according to sphere formula is referred to, as α, β, i1、i2Foot Enough hours can reach paraxial approximate condition：
Paraxial approximate condition α=sin α=tan α, i1=sini1 (1)
β=sin β=tan β, i2=sin i2 (2)
Law of refraction n1·sin i1=n2·sin i2 (3)
By (1) (2), (3) three formula obtain paraxial approximate formula (4)：
Paraxial approximate n1·i1=n2·i2 (4)
Parameter alpha, β, θ are carried out again approximate：
Parameter is brought into law of refraction formula to obtain
n1·α+n2β=(n1-n2)·θ (8)
(2.4) 1/u, is substituted with hour, min substitutes 1/v, the numerical value of n1, n2 to be previously set：
Change get in return formula into：
It is with each parameter definition in coherent reference refraction at spherical surface formula in above formula：n1For the refractive index of air, n2For ball The refractive index of body medium, i1For incident ray and the angle of sphere-contact point normal, i2For refracted light and sphere-contact point normal Angle, α is the angle of incident ray and horizontal plane, and β is the angle of refracted light and horizontal plane, and θ is sphere-contact point normal With the angle of horizontal plane, P points were the horizontal plane in the center of circle and the intersection point of sphere, and h is distance of the contact point to horizontal plane, and δ is A points Projection and the distance of P points on center of circle horizontal line is crossed, μ are the distance between OP, and r is the radius of ball, and v is the distance between IP；
(2.5), cryptopart interval blank determines the distance between each cryptopart, and the packercount in following formula is represented The number of file bag, min is minute, R, C, VtTo set the parameter of initial value, t is the time, and artificial capacitor discharge and recharge formula is obtained：
(2.6), cryptopart size size determines the character number that each cryptopart possesses, and blank is in formula (11) The value arrived, packercount represents the number of file bag, and min is minute, R, C, VtTo set the parameter of initial value, t is the time. Artificial capacitor discharge and recharge formula is obtained
(2.7), according to above-mentioned determination local arrays
Local=begin+n* (blank+size) (14)
And password is hidden according to gained formula.
(3) file reception end
(3.1) time of connection is set up according to client and receiving terminal, by the one hour value hour of its time and minute value min It is used as random parameter；
(3.2) receiving terminal receives the encryption file of under cover password；
(3.3) password hidden hereof is parsed；
(3.4) password stowed position is determined by array local, and local arrays are by cryptopart starting point begin, and password is intersegmental Determined every blank, cryptopart size size；
(3.5) cryptopart starting point begin utilizes hour and min, works as α, β, i with reference to sphere formula1、i2When sufficiently small Paraxial approximate condition can be reached：
Paraxial approximate condition α=sin α=tan α, i1=sin i1 (15)
β=sin β=tan β, i2=sin i2 (16)
Law of refraction n1·sin i1=n2·sin i2 (17)
By (15) (16), (17) three formula obtain paraxial approximate formula (18)：
Paraxial approximate n1·i1=n2·i2 (18)
Parameter alpha, β, θ are carried out again approximate：
Parameter is brought into law of refraction formula to obtain：
n1·α+n2β=(n1-n2)·θ (22)
Substitute 1/u with hour, min substitutes 1/v, and n1, n2 are the numerical value that has been previously set, become get in return formula into：
(3.6), cryptopart interval blank determines the distance between each cryptopart, and the packercount in following formula is represented The number of file bag, min is minute, R, C, VtTo set the parameter of initial value, t is the time, and artificial capacitor discharge and recharge formula is obtained：
(3.7), cryptopart size size determines the character number that each cryptopart possesses, and blank is in formula (25) The value arrived, packercount represents the number of file bag, and min is minute, R, C, VtTo set the parameter of initial value, t is the time, Artificial capacitor discharge and recharge formula is obtained：
(3.8), according to above-mentioned determination local arrays
Local=begin+n* (blank+size) (28)
And password is parsed according to gained formula.
It is an advantage of the invention that：By imitating the technology of quantum cryptography, password " mobilism " is hidden in confidential data； Every time during transmission, because the password of encryption is all changing at random so that the difficulty that confidential data is cracked is greatly increased； " one-time pad " dynamic password is designed, and effectively increases the security of cryptographic algorithm.
Brief description of the drawings
Fig. 1 is document transmission process schematic diagram of the invention
Fig. 2 hides the schematic diagram of password for the present invention in encryption file
Fig. 3 parses the schematic diagram of password for the present invention in encryption file
Fig. 4 is the schematic diagram of refraction at spherical surface formula
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 represents that client is established with server and is connected that being sent to host B from host A sends message, can pass through main frame A->Server->This paths of host B set up connection, and each main frame need not be intercepted to port again, and only need to service Device is intercepted.
Because message all passes through server, so server end saves the fileinfo of dealing.When user needs to receive During file, server end can provide according to the numbering of user and receive list, encrypted transmission file destination.
(1), file transmitting terminal is performed
(1.1), start with from the security for solving password, the reliable file of Framework Secure；
(1.2), building a random fixed length character using random algorithm is used for the password of this file encryption, and encrypts text Part；
(1.3), set up and be connected with recipient, by the use of connection setup time as random parameter, setting code is hidden in text Position in part；
(1.4) transmission after, being hidden in password in the specified location of file；
Fig. 2 is the dynamic password embedded mode figure based on water word watermark, the safety of the present invention hidden based on password Reliable network transmission method, the dynamic password insertion based on water word watermark, using dynamic password, carries out the password of " one-time pad " Transmission is hidden, following steps are specifically included：
(1), building a random fixed length character using random algorithm is used for the password of this file encryption, and encrypts file
(2) time of connection, is set up according to client and receiving terminal, by the one hour value hour of its time and minute value min It is used as random parameter
(2) file transmitting terminal
(2.1) time of connection, is set up according to client and receiving terminal, the one hour value hour of its time and minute are worth Min is used as random parameter；
(2.2), password stowed position is determined by array local, and local arrays are by cryptopart starting point begin, and password is intersegmental Determined every blank, cryptopart size size；
(2.3), cryptopart starting point begin utilizes hour and min, according to sphere formula is referred to, as α, β, i1、i2Foot Enough hours can reach paraxial approximate condition：
Paraxial approximate condition α=sin α=tan α, i1=sin i1 (1)
β=sin β=tan β, i2=sin i2 (2)
Law of refraction n1·sin i1=n2·sin i2 (3)
By (1) (2), (3) three formula obtain paraxial approximate formula (4)：
Paraxial approximate n1·i1=n2·i2 (4)
Parameter alpha, β, θ are carried out again approximate：
Parameter is brought into law of refraction formula to obtain
n1·α+n2β=(n1-n2)·θ (8)
(2.4) 1/u, is substituted with hour, min substitutes 1/v, the numerical value of n1, n2 to be previously set：
Change get in return formula into：
It is with each parameter definition in coherent reference refraction at spherical surface formula in above formula：n1For the refractive index of air, n2For ball The refractive index of body medium, i1For incident ray and the angle of sphere-contact point normal, i2For refracted light and sphere-contact point normal Angle, α is the angle of incident ray and horizontal plane, and β is the angle of refracted light and horizontal plane, and θ is sphere-contact point normal With the angle of horizontal plane, P points were the horizontal plane in the center of circle and the intersection point of sphere, and h is distance of the contact point to horizontal plane, and δ is A points Projection and the distance of P points on center of circle horizontal line is crossed, μ are the distance between OP, and r is the radius of ball, and v is the distance between IP；
(2.5), cryptopart interval blank determines the distance between each cryptopart, and the packercount in following formula is represented The number of file bag, min is minute, R, C, VtTo set the parameter of initial value, t is the time, and artificial capacitor discharge and recharge formula is obtained：
(2.6), cryptopart size size determines the character number that each cryptopart possesses, and blank is in formula (11) The value arrived, packercount represents the number of file bag, and min is minute, R, C, VtTo set the parameter of initial value, t is the time. Artificial capacitor discharge and recharge formula is obtained
(2.7), according to above-mentioned determination local arrays
Local=begin+n* (blank+size) (14)
And password is hidden according to gained formula.
Fig. 3 is the schematic diagram of the cipher decoding based on water word watermark, the cipher decoding method master based on water word watermark Comprise the following steps：
(3) file reception end
(3.1) time of connection is set up according to client and receiving terminal, by the one hour value hour of its time and minute value min It is used as random parameter；
(3.2) receiving terminal receives the encryption file of under cover password；
(3.3) password hidden hereof is parsed；
(3.4) password stowed position is determined by array local, and local arrays are by cryptopart starting point begin, and password is intersegmental Determined every blank, cryptopart size size；
(3.5) cryptopart starting point begin utilizes hour and min, works as α, β, i with reference to sphere formula1、i2When sufficiently small Paraxial approximate condition can be reached：
Paraxial approximate condition α=sin α=tan α, i1=sin i1 (15)
β=sin β=tan β, i2=sin i2 (16)
Law of refraction n1·sin i1=n2·sin i2 (17)
By (15) (16), (17) three formula obtain paraxial approximate formula (18)：
Paraxial approximate n1·i1=n2·i2 (18)
Parameter alpha, β, θ are carried out again approximate：
Parameter is brought into law of refraction formula to obtain：
n1·α+n2β=(n1-n2)·θ (22)
Substitute 1/u with hour, min substitutes 1/v, and n1, n2 are the numerical value that has been previously set, become get in return formula into：
(3.6), cryptopart interval blank determines the distance between each cryptopart, and the packercount in following formula is represented The number of file bag, min is minute, R, C, VtTo set the parameter of initial value, t is the time, and artificial capacitor discharge and recharge formula is obtained：
(3.7), cryptopart size size determines the character number that each cryptopart possesses, and blank is in formula (25) The value arrived, packercount represents the number of file bag, and min is minute, R, C, VtTo set the parameter of initial value, t is the time, Artificial capacitor discharge and recharge formula is obtained：
(3.8), according to above-mentioned determination local arrays
Local=begin+n* (blank+size) (28)
And password is parsed according to gained formula.
Fig. 4 is to refer to sphere formula
It is with reference to each parameter definition in sphere formula：n1For the refractive index of air, n2For the refractive index of spheroid medium, i1For incident ray and the angle of sphere-contact point normal, i2For refracted light and the angle of sphere-contact point normal, α is incidence The angle of light and horizontal plane, β is the angle of refracted light and horizontal plane, and θ is the angle of sphere-contact point normal and horizontal plane, P points were the horizontal plane in the center of circle and the intersection point of sphere, and h is distance of the contact point to horizontal plane, and δ is that A points are crossing center of circle horizontal line Upper projection and the distance of P points, μ are the distance between OP, and r is the radius of ball, and v is the distance between IP.

Claims (1)

1. a kind of safe and reliable network transfer method hidden based on password, using dynamic password, realizes the close of " one-time pad " Code hides transmission, comprises the following steps：
(1), file transmitting terminal is performed；
(1.1), start with from the security for solving password, the reliable file of Framework Secure；
(1.2), building a random fixed length character using random algorithm is used for the password of this file encryption, and encrypts file；
(1.3), set up and be connected with recipient, by the use of connection setup time as random parameter, setting code is hidden hereof Position；
(1.4) transmission after, being hidden in password in the specified location of file；
(2) file transmitting terminal；
(2.1) time of connection, is set up according to client and receiving terminal, the one hour value hour of its time and minute value min is made For random parameter；
(2.2), password stowed position is determined by array local, and local arrays are by cryptopart starting point begin, cryptopart interval Blank, cryptopart size size are determined；
(2.3), cryptopart starting point begin utilizes hour and min, according to sphere formula is referred to, as α, β, i1、i2It is sufficiently small When can reach paraxial approximate condition：
Paraxial approximate condition α=sin α=tan α, i1=sin i1 (1)
β=sin β=tan β, i2=sin i2 (2)
Law of refraction n1·sin i1=n2·sin i2 (3)
By (1) (2), (3) three formula obtain paraxial approximate formula (4)：
Paraxial approximate n1·i1=n2·i2 (4)
Parameter alpha, β, θ are carried out again approximate：
<mrow> <mi>&amp;alpha;</mi> <mo>=</mo> <mfrac> <mi>h</mi> <mrow> <mi>u</mi> <mo>+</mo> <mi>&amp;sigma;</mi> </mrow> </mfrac> <mo>&amp;ap;</mo> <mfrac> <mi>h</mi> <mi>u</mi> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>5</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>&amp;beta;</mi> <mo>=</mo> <mfrac> <mi>h</mi> <mrow> <mi>v</mi> <mo>-</mo> <mi>&amp;sigma;</mi> </mrow> </mfrac> <mo>&amp;ap;</mo> <mfrac> <mi>h</mi> <mi>v</mi> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>6</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>&amp;theta;</mi> <mo>=</mo> <mfrac> <mi>h</mi> <mrow> <mi>r</mi> <mo>-</mo> <mi>&amp;sigma;</mi> </mrow> </mfrac> <mo>&amp;ap;</mo> <mfrac> <mi>h</mi> <mi>r</mi> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>7</mn> <mo>)</mo> </mrow> </mrow>
Parameter is brought into law of refraction formula to obtain
n1·α+n2β=(n1-n2)·θ (8)
(2.4) 1/u, is substituted with hour, min substitutes 1/v, the numerical value of n1, n2 to be previously set：
Change get in return formula into：
It is with each parameter definition in coherent reference refraction at spherical surface formula in above formula：n1For the refractive index of air, n2It is situated between for spheroid The refractive index of matter, i1For incident ray and the angle of sphere-contact point normal, i2For refracted light and the folder of sphere-contact point normal Angle, α is the angle of incident ray and horizontal plane, and β is the angle of refracted light and horizontal plane, and θ is sphere-contact point normal and water The angle of plane, P points were the horizontal plane in the center of circle and the intersection point of sphere, and h is distance of the contact point to horizontal plane, and δ is A points in mistake Projection and the distance of P points on the horizontal line of the center of circle, μ are the distance between OP, and r is the radius of ball, and v is the distance between IP；
(2.5), cryptopart interval blank determines the distance between each cryptopart, and the packercount in following formula represents file The number of bag, min is minute, R, C, VtTo set the parameter of initial value, t is the time, and artificial capacitor discharge and recharge formula is obtained：
<mrow> <msub> <mi>V</mi> <mi>t</mi> </msub> <mo>=</mo> <mi>m</mi> <mi>i</mi> <mi>n</mi> <mo>+</mo> <mo>|</mo> <mrow> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> <mo>-</mo> <mi>m</mi> <mi>i</mi> <mi>n</mi> </mrow> <mo>|</mo> <mo>&amp;CenterDot;</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <msup> <mi>e</mi> <mrow> <mo>-</mo> <mfrac> <mi>t</mi> <mrow> <mi>R</mi> <mo>&amp;CenterDot;</mo> <mi>C</mi> </mrow> </mfrac> </mrow> </msup> <mo>)</mo> </mrow> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>10</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>b</mi> <mi>l</mi> <mi>a</mi> <mi>n</mi> <mi>k</mi> <mo>=</mo> <mi>R</mi> <mi>C</mi> <mo>&amp;CenterDot;</mo> <msub> <mi>L</mi> <mi>n</mi> </msub> <mfrac> <mrow> <mo>|</mo> <mrow> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> <mo>-</mo> <mi>min</mi> </mrow> <mo>|</mo> </mrow> <mrow> <mo>|</mo> <mrow> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> <mo>-</mo> <msub> <mi>V</mi> <mi>t</mi> </msub> </mrow> <mo>|</mo> </mrow> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>11</mn> <mo>)</mo> </mrow> </mrow>
(2.6), cryptopart size size determines the character number that each cryptopart possesses, and blank is to obtain in formula (11) Value, packercount represents the number of file bag, and min is minute, R, C, VtTo set the parameter of initial value, t is the time.Simulation Capacitor charge and discharge formula is obtained
<mrow> <msub> <mi>V</mi> <mi>t</mi> </msub> <mo>=</mo> <mi>m</mi> <mi>i</mi> <mi>n</mi> <mo>+</mo> <mo>|</mo> <mrow> <mi>b</mi> <mi>l</mi> <mi>a</mi> <mi>n</mi> <mi>k</mi> <mo>-</mo> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> </mrow> <mo>|</mo> <mo>&amp;CenterDot;</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <msup> <mi>e</mi> <mrow> <mo>-</mo> <mfrac> <mi>t</mi> <mrow> <mi>R</mi> <mo>&amp;CenterDot;</mo> <mi>C</mi> </mrow> </mfrac> </mrow> </msup> <mo>)</mo> </mrow> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>12</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>s</mi> <mi>i</mi> <mi>z</mi> <mi>e</mi> <mo>=</mo> <mi>R</mi> <mi>C</mi> <mo>&amp;CenterDot;</mo> <msub> <mi>L</mi> <mi>n</mi> </msub> <mfrac> <mrow> <mo>|</mo> <mrow> <mi>b</mi> <mi>l</mi> <mi>a</mi> <mi>n</mi> <mi>k</mi> <mo>-</mo> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> </mrow> <mo>|</mo> </mrow> <mrow> <mo>|</mo> <mrow> <mi>b</mi> <mi>l</mi> <mi>a</mi> <mi>n</mi> <mi>k</mi> <mo>-</mo> <msub> <mi>V</mi> <mi>t</mi> </msub> </mrow> <mo>|</mo> </mrow> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>13</mn> <mo>)</mo> </mrow> </mrow>
(2.7), according to above-mentioned determination local arrays
Local=begin+n* (blank+size) (14)
And password is hidden according to gained formula.
(3) file reception end；
(3.1) time of connection is set up according to client and receiving terminal, using the one hour value hour of its time and minute value min as Random parameter；
(3.2) receiving terminal receives the encryption file of under cover password；
(3.3) password hidden hereof is parsed；
(3.4) password stowed position is determined by array local, and local arrays are by cryptopart starting point begin, cryptopart interval Blank, cryptopart size size are determined；
(3.5) cryptopart starting point begin utilizes hour and min, works as α, β, i with reference to sphere formula1、i2Can be with when sufficiently small Reach paraxial approximate condition：
Paraxial approximate condition α=sin α=tan α, i1=sin i1 (15)
β=sin β=tan β, i2=sin i2 (16)
Law of refraction n1·sin i1=n2·sini2 (17)
By (15) (16), (17) three formula obtain paraxial approximate formula (18)：
Paraxial approximate n1·i1=n2·i2 (18)
Parameter alpha, β, θ are carried out again approximate：
<mrow> <mi>&amp;alpha;</mi> <mo>=</mo> <mfrac> <mi>h</mi> <mrow> <mi>u</mi> <mo>+</mo> <mi>&amp;sigma;</mi> </mrow> </mfrac> <mo>&amp;ap;</mo> <mfrac> <mi>h</mi> <mi>u</mi> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>19</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>&amp;beta;</mi> <mo>=</mo> <mfrac> <mi>h</mi> <mrow> <mi>v</mi> <mo>-</mo> <mi>&amp;sigma;</mi> </mrow> </mfrac> <mo>&amp;ap;</mo> <mfrac> <mi>h</mi> <mi>v</mi> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>20</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>&amp;theta;</mi> <mo>=</mo> <mfrac> <mi>h</mi> <mrow> <mi>r</mi> <mo>-</mo> <mi>&amp;sigma;</mi> </mrow> </mfrac> <mo>&amp;ap;</mo> <mfrac> <mi>h</mi> <mi>r</mi> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>21</mn> <mo>)</mo> </mrow> </mrow>
Parameter is brought into law of refraction formula to obtain：
n1·α+n2β=(n1-n2)·θ (22)
Substitute 1/u with hour, min substitutes 1/v, and n1, n2 are the numerical value that has been previously set, become get in return formula into：
<mrow> <msub> <mi>n</mi> <mn>1</mn> </msub> <mo>&amp;CenterDot;</mo> <mi>h</mi> <mi>o</mi> <mi>u</mi> <mi>r</mi> <mo>+</mo> <msub> <mi>n</mi> <mn>2</mn> </msub> <mo>&amp;CenterDot;</mo> <mi>m</mi> <mi>i</mi> <mi>n</mi> <mo>=</mo> <mfrac> <mrow> <msub> <mi>n</mi> <mn>2</mn> </msub> <mo>-</mo> <msub> <mi>n</mi> <mn>1</mn> </msub> </mrow> <mi>r</mi> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>23</mn> <mo>)</mo> </mrow> </mrow>
(3.6), cryptopart interval blank determines the distance between each cryptopart, and the packercount in following formula represents file The number of bag, min is minute, R, C, VtTo set the parameter of initial value, t is the time, and artificial capacitor discharge and recharge formula is obtained：
<mrow> <msub> <mi>V</mi> <mi>t</mi> </msub> <mo>=</mo> <mi>m</mi> <mi>i</mi> <mi>n</mi> <mo>+</mo> <mo>|</mo> <mrow> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> <mo>-</mo> <mi>m</mi> <mi>i</mi> <mi>n</mi> </mrow> <mo>|</mo> <mo>&amp;CenterDot;</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <msup> <mi>e</mi> <mrow> <mo>-</mo> <mfrac> <mi>t</mi> <mrow> <mi>R</mi> <mo>&amp;CenterDot;</mo> <mi>C</mi> </mrow> </mfrac> </mrow> </msup> <mo>)</mo> </mrow> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>24</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>b</mi> <mi>l</mi> <mi>a</mi> <mi>n</mi> <mi>k</mi> <mo>=</mo> <mi>R</mi> <mi>C</mi> <mo>&amp;CenterDot;</mo> <msub> <mi>L</mi> <mi>n</mi> </msub> <mfrac> <mrow> <mo>|</mo> <mrow> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> <mo>-</mo> <mi>min</mi> </mrow> <mo>|</mo> </mrow> <mrow> <mo>|</mo> <mrow> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> <mo>-</mo> <msub> <mi>V</mi> <mi>t</mi> </msub> </mrow> <mo>|</mo> </mrow> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>25</mn> <mo>)</mo> </mrow> </mrow>
(3.7), cryptopart size size determines the character number that each cryptopart possesses, and blank is to obtain in formula (25) Value, packercount represents the number of file bag, and min is minute, R, C, VtTo set the parameter of initial value, t is the time, simulation Capacitor charge and discharge formula is obtained：
<mrow> <msub> <mi>V</mi> <mi>t</mi> </msub> <mo>=</mo> <mi>m</mi> <mi>i</mi> <mi>n</mi> <mo>+</mo> <mo>|</mo> <mrow> <mi>b</mi> <mi>l</mi> <mi>a</mi> <mi>n</mi> <mi>k</mi> <mo>-</mo> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> </mrow> <mo>|</mo> <mo>&amp;CenterDot;</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <msup> <mi>e</mi> <mrow> <mo>-</mo> <mfrac> <mi>t</mi> <mrow> <mi>R</mi> <mo>&amp;CenterDot;</mo> <mi>C</mi> </mrow> </mfrac> </mrow> </msup> <mo>)</mo> </mrow> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>26</mn> <mo>)</mo> </mrow> </mrow>
<mrow> <mi>s</mi> <mi>i</mi> <mi>z</mi> <mi>e</mi> <mo>=</mo> <mi>R</mi> <mi>C</mi> <mo>&amp;CenterDot;</mo> <msub> <mi>L</mi> <mi>n</mi> </msub> <mfrac> <mrow> <mo>|</mo> <mrow> <mi>b</mi> <mi>l</mi> <mi>a</mi> <mi>n</mi> <mi>k</mi> <mo>-</mo> <mi>p</mi> <mi>a</mi> <mi>c</mi> <mi>k</mi> <mi>e</mi> <mi>t</mi> <mi>c</mi> <mi>o</mi> <mi>u</mi> <mi>n</mi> <mi>t</mi> </mrow> <mo>|</mo> </mrow> <mrow> <mo>|</mo> <mrow> <mi>b</mi> <mi>l</mi> <mi>a</mi> <mi>n</mi> <mi>k</mi> <mo>-</mo> <msub> <mi>V</mi> <mi>t</mi> </msub> </mrow> <mo>|</mo> </mrow> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>27</mn> <mo>)</mo> </mrow> </mrow>
(3.8), according to above-mentioned determination local arrays
Local=begin+n* (blank+size) (28)
And password is parsed according to gained formula.
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