CN115250178A - Password input and sending and receiving method and device - Google Patents

Password input and sending and receiving method and device Download PDF

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Publication number
CN115250178A
CN115250178A CN202210527072.6A CN202210527072A CN115250178A CN 115250178 A CN115250178 A CN 115250178A CN 202210527072 A CN202210527072 A CN 202210527072A CN 115250178 A CN115250178 A CN 115250178A
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password
letter
current
determining
letters
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雷雨
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Bank of China Ltd
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Bank of China Ltd
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Priority to CN202210527072.6A priority Critical patent/CN115250178A/en
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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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

The invention discloses a method and a device for inputting, sending and receiving a password, which relate to the technical field of data security, wherein the method for inputting and sending the password comprises the following steps: the method comprises the steps of inputting a password sequence through a nine-grid keyboard, encrypting each password in the password sequence according to numbers or letters corresponding to keys in the nine-grid keyboard, combining ciphertexts corresponding to each password to obtain a cipher text corresponding to the password sequence, and sending the cipher text to a receiving party. In the scheme, the password sequence input by the user is not directly transmitted, and the password sequence input by the user is not directly transmitted after being encrypted by adopting the existing encryption algorithm, but a password conversion step is added, namely, each password is converted according to the numbers or letters corresponding to the keys in the nine-grid keyboard and then transmitted, so that the complexity of transmitting the ciphertext is improved, the password sequence input by the user is more difficult to crack, and the safety of password input and transmission is improved.

Description

Password input and sending and receiving method and device
Technical Field
The invention relates to the technical field of data security, in particular to a method and a device for inputting, sending and receiving a password.
Background
Passwords are commonly used as an authentication method, and the security of the passwords affects the security of authentication. The password typically requires encryption and the ciphertext is then sent over the network to the verifier.
However, during transmission over a network, ciphertext obtained using existing encryption methods is easily intercepted and decrypted to obtain plaintext.
Disclosure of Invention
A first aspect of the present specification provides a password input and transmission method, including: showing a Sudoku keyboard for inputting a password, the Sudoku keyboard comprising 9 keys, each key for inputting a number from 1 to 9 and for inputting one letter of 26 letters or a preset character, wherein each letter of the 26 letters corresponds to one key; acquiring a password sequence input by a user through a Sudoku keyboard, wherein the password sequence comprises letters and/or numbers; encrypting each password in the password sequence according to the following method: under the condition that the current password is a letter, acquiring a target key corresponding to the letter, determining a target number corresponding to the target key, a position serial number of the letter in the letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the position serial number and the target number; and/or under the condition that the current password is a number, acquiring a target key corresponding to the number, determining a target letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the target letter; combining ciphertexts corresponding to all the ciphers in the cipher sequence through a preset identifier to obtain the ciphertexts corresponding to the cipher sequence; and sending the ciphertext corresponding to the password sequence to a receiving party.
In some embodiments, determining a ciphertext corresponding to the current password according to the position sequence number and the target number includes: and determining that the ciphertext corresponding to the current password is the ciphertext formed by the target numbers, wherein the number of the target numbers is equal to the position sequence number.
In some embodiments, determining the ciphertext corresponding to the current password according to the target letter comprises: and determining that the ciphertext corresponding to the current password is the ciphertext formed by the target letters, wherein the number of the target letters is a random number.
In some embodiments, before acquiring the target key corresponding to the letter or acquiring the target key corresponding to the number, the method further includes: acquiring a current position sequence number of a current password in the password sequence; and determining the moving digit number and moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number, moving 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letters corresponding to each key to obtain the adjusted nine-grid keyboard, and obtaining target keys corresponding to the letters or the target keys corresponding to the numbers according to the adjusted nine-grid keyboard.
In some embodiments, determining the number of moving digits and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number includes: when the serial number of the current position is an odd number, determining that the moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard is a first direction; and when the serial number of the current position is an even number, determining the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard to be a second direction opposite to the first direction.
In some embodiments, determining the number of moving digits and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number includes: and determining that the moving digit of the letter and/or the number corresponding to the key in the squared figure is equal to the serial number of the current position.
A second aspect of the present specification provides a cipher reception method including: obtaining a ciphertext; dividing the ciphertext into a plurality of sections according to a preset identifier; the preset identifier is used for indicating whether a plaintext corresponding to a section of associated ciphertext is a letter or a number; decrypting each of the plurality of segments according to: under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a letter, acquiring a target key corresponding to a number in the current segment on a preset Sudoku keyboard, determining a position serial number of the letter according to the number of the number and/or the letter in the current segment, and determining a letter from the letters corresponding to the target key as the plaintext corresponding to the current segment according to the position serial number; under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a number, acquiring a target key corresponding to a letter in the current segment on a preset Sudoku keyboard, and determining the plaintext corresponding to the current segment according to the number corresponding to the target key; and combining the plaintext corresponding to each segment to obtain a decrypted password sequence.
In some embodiments, before obtaining a target key corresponding to a number in the current segment on the preset nine-grid keyboard or obtaining a target key corresponding to a letter in the current segment on the preset nine-grid keyboard, the method further includes: acquiring the current position sequence number of the current segment in the plurality of segments; and determining the moving digit number and moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number, moving 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letters corresponding to each key to obtain the adjusted nine-grid keyboard, and obtaining target keys corresponding to the numbers in the current section on the preset nine-grid keyboard or target keys corresponding to the letters in the current section on the preset nine-grid keyboard according to the adjusted nine-grid keyboard.
In some embodiments, determining the number of moving digits and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number includes: when the serial number of the current position is an odd number, determining the moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard to be a first direction; and when the serial number of the current position is an even number, determining that the moving direction of the letters and/or the numbers corresponding to the keys in the nine-square-grid keyboard is a second direction opposite to the first direction.
A third aspect of the present specification provides a password input and transmission device including: the display unit is used for displaying a nine-grid keyboard for inputting passwords, and the nine-grid keyboard comprises 9 keys, wherein each key is used for inputting one number from 1 to 9 and inputting one letter or preset character from 26 letters, and each letter in the 26 letters corresponds to one key; the system comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring a password sequence input by a user through a Sudoku keyboard, and the password sequence comprises letters and/or numbers; an encryption unit, configured to encrypt each password in the password sequence according to the following method: under the condition that the current password is a letter, acquiring a target key corresponding to the letter, determining a target number corresponding to the target key, a position serial number of the letter in the letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the position serial number and the target number; and/or under the condition that the current password is a number, acquiring a target key corresponding to the number, determining a target letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the target letter; the first combination unit is used for combining the ciphertext corresponding to each bit of the password sequence through a preset identifier to obtain the ciphertext corresponding to the password sequence; and the sending unit is used for sending the ciphertext corresponding to the cipher sequence to a receiving party.
In some embodiments, the encryption unit determines that a ciphertext corresponding to the current password is a ciphertext composed of the target numbers, where the number of the target numbers is equal to the position sequence number.
In some embodiments, the encryption unit determines that a ciphertext corresponding to the current password is a ciphertext composed of the target letters, where the number of the target letters is a random number.
In some embodiments, the apparatus further comprises a first adjusting unit for adjusting the preset nine-grid keyboard; the first adjusting unit includes: the first acquiring subunit is used for acquiring a current position sequence number of the current password in the password sequence; and the first determining subunit is used for determining the moving digit number and the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number, and moving the 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letters corresponding to each key so as to obtain the adjusted nine-grid keyboard.
In some embodiments, the first determining subunit comprises: the second determining subunit is used for determining that the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard is the first direction when the serial number of the current position is an odd number; and the third determining subunit is used for determining that the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard is a second direction opposite to the first direction when the serial number of the current position is an even number.
In some embodiments, the first determining subunit comprises: and the fourth determining subunit is used for determining that the number of the moving digits of the letters and/or the numbers corresponding to the keys in the nine-square grid is equal to the serial number of the current position.
A fourth aspect of the present specification provides a password receiving apparatus comprising: a second obtaining unit configured to obtain a ciphertext; the dividing unit is used for dividing the ciphertext into multiple sections according to a preset identifier; the preset identifier is used for indicating whether a plaintext corresponding to a section of associated ciphertext is a letter or a number; a decryption unit operable to decrypt each of the plurality of segments in accordance with: under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a letter, acquiring a target key corresponding to a number in the current segment on a preset Sudoku keyboard, determining a position serial number of the letter according to the number of the number and/or the letter in the current segment, and determining a letter from the letters corresponding to the target key as the plaintext corresponding to the current segment according to the position serial number; under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a number, acquiring a target key corresponding to a letter in the current segment on a preset Sudoku keyboard, and determining the plaintext corresponding to the current segment according to the number corresponding to the target key; and the second combination unit is used for combining the plaintext corresponding to each segment to obtain a decrypted cipher sequence.
In some embodiments, the apparatus further comprises a second adjusting unit for adjusting the preset nine-grid keyboard; the second adjusting unit includes: a second obtaining subunit, configured to obtain a current position sequence number of the current segment in the multiple segments; and a fifth determining subunit, configured to determine, according to the current position serial number, a moving digit number and a moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard, and move the 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letter corresponding to each key, so as to obtain an adjusted nine-grid keyboard.
In some embodiments, the fifth determining subunit includes: a sixth determining subunit, configured to determine, when the current position serial number is an odd number, that a moving direction of a letter and/or a number corresponding to a key in the squared figure keyboard is the first direction; and the seventh determining subunit is used for determining that the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard is a second direction opposite to the first direction when the serial number of the current position is an even number.
A fifth aspect of the present invention provides a computer device, comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the above password input and transmission method or password reception method when executing the computer program.
A sixth aspect of the present invention provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the above-described password input and transmission method or password reception method.
A seventh aspect of the present invention provides a computer program product comprising a computer program that, when executed by a processor, implements the above-described password input and transmission method, or password reception method.
The method and the device for inputting, sending and receiving the passwords input and send the passwords input by the nine-grid keyboard input the password sequence, encrypt each password in the password sequence according to the numbers or letters corresponding to the keys in the nine-grid keyboard, combine the ciphertexts corresponding to each password to obtain the ciphertext corresponding to the password sequence, and send the ciphertext corresponding to the password sequence to the receiving party. In the scheme, the password sequence input by the user is not directly transmitted, and is not transmitted after being encrypted by adopting the existing encryption algorithm, but the password conversion step is added, namely, each password in the password sequence is converted according to the numbers or letters corresponding to the keys in the nine-grid keyboard and then transmitted, so that the complexity of the transmission ciphertext is improved, the password sequence input by the user is more difficult to crack, and the password input and transmission safety is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
FIG. 1 shows a schematic diagram of a Sudoku keyboard;
FIG. 2 illustrates a flow diagram of one embodiment of a method for password entry and transmission provided herein;
FIG. 3 illustrates a flow diagram of another embodiment of a method for password entry and transmission provided herein;
FIG. 4 shows a schematic diagram of a Sudoku keyboard after moving one bit in a first direction;
FIG. 5 shows the nine-grid keyboard after moving one digit in a second direction;
FIG. 6 shows a flow chart of one embodiment of a cryptographic receiving method provided herein;
FIG. 7 illustrates a functional block diagram of a password entry and transmission device provided herein;
fig. 8 shows a functional block diagram of a password receiving apparatus provided in the present specification.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
The embodiment of the specification provides a password input and transmission method, which is used for a scene that a nine-grid keyboard can be adopted to input a password.
The nine-grid keyboard can be a virtual keyboard or a physical keyboard. For example, the method may be used to input and transmit a password when logging in an account through a mobile terminal such as a mobile phone or a notebook computer (the method may be executed by the mobile terminal), or may be used to input and transmit a password through a user terminal such as an ATM (the method may be executed by the user terminal such as an ATM).
As shown in fig. 1, the nine-grid keyboard comprises 9 keys, each key is used for inputting one number from 1 to 9, and for inputting one letter or preset character from 26 letters, wherein each letter in 26 letters corresponds to one key, that is, each letter can be input only through one corresponding key, and the keys and the letters are in one-to-many relationship. The preset characters may be "@", "/", etc.
For example, in the nine-grid keyboard shown in fig. 1, the number 2 corresponds to three letters: A. b, C, indicating that the key can be used for inputting the number 2, or any one of the letters a, B, C. When the key is used to input letters, which of a, B, C the input letter is, may be determined by the number of times the key is consecutively clicked. For example, clicking the button once may enter the letter a; clicking the key twice continuously can input the letter a; clicking the letter three times in succession may enter the letter B, and so on. When the key is used to enter letters, the keypad may also be invoked in a manner to determine which of A, a, B, B, C, C the entered letter is. For example, after clicking the key, a keypad different from the squared figure keyboard is displayed on the screen, on which six keys, respectively the keys of letters a, B, C, which letter is entered is determined by the user clicking one of the letters a, B, C keys, e.g., the user clicks the a key on the keypad, and the letter a is entered.
The above embodiment gives the case where letters input by the user are case-separated. In some embodiments, the letters entered by the user may also be case insensitive.
As shown in fig. 2, the password input and transmission method provided in this specification includes the following steps:
s110: and displaying the nine-grid keyboard for inputting the password.
For example, a nine-grid keyboard as shown in fig. 1 is presented.
S120: and acquiring a password sequence input by a user through a Sudoku keyboard, wherein the password sequence comprises letters and/or numbers.
The cipher sequence is composed of multiple ciphers arranged in sequence. Each password may be a letter or a number.
S130: encrypting each bit of the cipher in the cipher sequence according to the following method: under the condition that the current password is a letter, acquiring a target key corresponding to the letter, determining a target number corresponding to the target key, a position serial number of the letter in the letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the position serial number and the target number; and/or under the condition that the current password is a number, acquiring a target key corresponding to the number, determining a target letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the target letter.
In some embodiments, determining the ciphertext corresponding to the current password according to the position sequence number and the target number may be: and determining that the ciphertext corresponding to the current password is the ciphertext formed by the target numbers, wherein the number of the target numbers is equal to the position sequence number. For example, if the current password is E, the target key is a key on row 1, column 3 in fig. 1, and the target number is 3; since the letter E is ranked at the 2 nd digit in the letter "DEF" corresponding to the target key, it can be determined that the ciphertext corresponding to the current password E is: 2, 3, i.e. 33.
In some embodiments, determining the ciphertext corresponding to the current password according to the target letter comprises: and determining that the ciphertext corresponding to the current password is the ciphertext formed by the target letters, wherein the number of the target letters is a random number. For example, if the current password is 5, the target key is a key on row 2 and column 2 in fig. 1, the target letters are letters J, K, and L, and the ciphertext corresponding to the current password is: ciphertext formed from at least one of letters J, K, L. For example, the ciphertext may be any one of JKL, J, K, JJJ, kkkkkkkkk, or any other form.
In some embodiments, in the case that the current password is a number, a plurality of numbers may also be used as the ciphertext corresponding to the current password, where the number of the numbers is a random number.
In some embodiments, each of the ciphers in the cipher sequence may be encrypted according to the above encryption method, or only the numbers in the cipher sequence may be encrypted, or only the letters in the cipher sequence may be encrypted.
S140: and combining the ciphertexts corresponding to each bit of the cipher sequence through a preset identifier to obtain the ciphertexts corresponding to the cipher sequence.
For example, the user entered password sequence is: and after the output of the woaini123 is finished, each bit in the password sequence is processed by adopting an encryption module. For example, the processed ciphertext is as shown in table one below (where only the letters are encrypted and the numbers are not encrypted):
watch 1
Before encryption w o a i n i 1 2 3
After encryption 9 666 2 444 66 444 1 2 3
In the step S140, when combining, a special symbol may be added before the ciphertext corresponding to each password to indicate whether the plaintext password corresponding to the ciphertext is an alphabet or a number. For example, 0 may be used to indicate that the plaintext cipher corresponding to the ciphertext is a letter, and 00 may be used to indicate that the plaintext cipher corresponding to the ciphertext is a number.
For example, after combining the ciphertexts in table one above, the cipher texts corresponding to the cipher sequences may be obtained as follows: 090666020444066044400123. in the embodiment, only letters in the password sequence are converted into numbers, but numbers are not converted into letters, 0 is adopted to distinguish whether the plaintext password is letters or numbers, all ciphertexts corresponding to the password sequence obtained by combination are numbers, and the rules in the ciphertexts are difficult to see, so that the safety of password transmission is improved.
S150: and sending the ciphertext corresponding to the password sequence to a receiving party.
In some embodiments, the ciphertext corresponding to the cryptogram sequence may be sent directly to the recipient. In some embodiments, the ciphertext corresponding to the password sequence may be encrypted for the second time, and then the ciphertext after the second encryption may be sent to the receiving party. The encryption algorithm used in the second encryption may be any one of the existing encryption algorithms, for example, RSA, DES, SHA algorithms, or quantum encryption algorithms, or any other encryption algorithm.
The security of password transmission can be further improved through the secondary encryption process.
The password input and transmission method provided by the specification inputs a password sequence through a nine-grid keyboard, encrypts each password in the password sequence according to a number or letter corresponding to a key in the nine-grid keyboard, combines ciphertexts corresponding to each password to obtain a cipher text corresponding to the password sequence, and transmits the cipher text corresponding to the password sequence to a receiving party. In the scheme, the password sequence input by the user is not directly transmitted, and is not transmitted after being encrypted by adopting the existing encryption algorithm, but the password conversion step is added, namely, each password in the password sequence is converted according to the numbers or letters corresponding to the keys in the nine-grid keyboard and then transmitted, so that the complexity of the transmission ciphertext is improved, the password sequence input by the user is more difficult to crack, and the password input and transmission safety is improved.
In some embodiments, before determining the target key or the target number and/or the target letter corresponding to the target key, the number and/or the letter corresponding to the key in the nine-grid keyboard may be adjusted, and then the target key is determined according to the adjusted nine-grid keyboard or the target number and/or the target letter corresponding to the target key is determined. For example, as shown in fig. 3, before determining the target number corresponding to the target key or determining the target letter corresponding to the target key, the following steps S304 and S308 may be further included.
S301: and displaying the nine-grid keyboard for inputting the password.
Please refer to S110 for description of this step.
S302: and acquiring a password sequence input by a user through a nine-grid keyboard, wherein the password sequence comprises letters and/or numbers.
Please refer to S120 for description of this step.
S303: and under the condition that the current password is a letter, acquiring a target key corresponding to the letter.
S304: the nine-grid keyboard is adjusted in the following way: acquiring a current position sequence number of a current password in a password sequence; and determining the moving digit number and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number, and moving the 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letters corresponding to each key to obtain the adjusted nine-grid keyboard.
In some embodiments, determining the number of moving digits and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number comprises: when the serial number of the current position is an odd number, determining the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard as a first direction; and when the serial number of the current position is an even number, determining the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard to be a second direction opposite to the first direction.
In some embodiments, determining the number of moving digits and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number includes: determining the number of the moving digits as a first digit under the condition that the current password is a letter; in the case where the current password is a number, the number of shift digits is determined to be the second number of digits. For example, in the case that the current password is a letter, 1 bit may be moved when the squared figure keyboard is adjusted; in the case where the current password is a number, 2 bits may be moved when modulating the squared keyboard.
For example, after the nine-grid keyboard shown in fig. 1 is moved by one bit in the first direction, the nine-grid keyboard shown in fig. 4 can be obtained; the nine-grid keyboard shown in fig. 1 can be obtained as shown in fig. 5 after moving one bit in the second moving direction.
In some embodiments, determining the number of moving digits and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number includes: and determining that the number of moving digits of the letters and/or the numbers corresponding to the keys in the nine-square grid is equal to the serial number of the current position.
For example, if the current password is the 2 nd-bit password, the current position serial number is 2, and the number of shift bits is 2.
S305: and determining the target number corresponding to the target key according to the adjusted Sudoku keyboard.
S306: and determining the position serial number of the letter in the letters corresponding to the target key, and determining the ciphertext corresponding to the current password according to the position serial number and the target number.
The steps S305 and S306 are described with reference to S130.
S307: and under the condition that the current password is a number, acquiring a target key corresponding to the number.
S308: the nine-grid keyboard is adjusted in the following way: acquiring a current position sequence number of a current password in a password sequence; and determining the moving digit number and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number, and moving the 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letters corresponding to each key to obtain the adjusted nine-grid keyboard.
Please refer to S304 for description of this step.
S309: and determining a target letter corresponding to the target key according to the adjusted Sudoku keyboard, and determining a ciphertext corresponding to the current password according to the target letter.
Please refer to S130 for the description of step S309.
S310: and judging whether the current password is the last bit. In the case of yes, the encryption operation on the cipher sequence is ended; in the case of no, S311 is executed.
S311: and taking the next password of the current password as the current password. Then jumping to S303 to continue execution.
S312: and combining the ciphertexts corresponding to each bit of the cipher sequence through a preset identifier to obtain the ciphertexts corresponding to the cipher sequence.
S313: and sending the ciphertext corresponding to the password sequence to a receiving party.
Corresponding to the above password input and transmission method, the present specification provides a password receiving method, as shown in fig. 6, including the following steps:
s610: and acquiring a ciphertext.
In some embodiments, the ciphertext corresponding to the password sequence entered by the user may be sent directly to the recipient. In some embodiments, the ciphertext corresponding to the password sequence is encrypted for the second time, and then the ciphertext after the second encryption is sent to the receiver. The encryption algorithm used in the second encryption may be any one of the existing encryption algorithms, for example, RSA, DES, SHA algorithms, or quantum encryption algorithms, or any other encryption algorithm. The secondary encryption process can further improve the security of password transmission.
Under the condition of performing secondary encryption on the ciphertext corresponding to the password sequence, before executing step S620, the receiving side may further perform primary decryption on the ciphertext according to a preset secondary encryption algorithm to obtain a primary decrypted ciphertext, and then execute the secondary decryption method described in steps S620 to S640.
S620: dividing the ciphertext into a plurality of sections according to the preset identifier; the preset identifier is used for indicating whether the plaintext corresponding to the associated ciphertext block is a letter or a number.
For example, 0 may be used to indicate that the plaintext cipher corresponding to the ciphertext is a letter, and 00 may be used to indicate that the plaintext cipher corresponding to the ciphertext is a number. Then, the ciphertext "090666020466044400123" may be divided into several segments as shown in table two below:
watch two
Before decryption 09 0666 02 0444 066 0444 00123
After decryption w o a i n i 123
S630: decrypting each of the plurality of segments in accordance with: under the condition that the preset identifier associated with the current segment indicates that the plaintext corresponding to the current segment is a letter, acquiring a target key corresponding to a number in the current segment on a preset Sudoku keyboard, determining the position serial number of the letter according to the number of the number and/or the letter in the current segment, and determining a letter from the letters corresponding to the target key according to the position serial number as the plaintext corresponding to the current segment; and under the condition that the preset identifier associated with the current segment indicates that the plaintext corresponding to the current segment is a number, acquiring a target key corresponding to a letter in the current segment on a preset Sudoku keyboard, and determining the plaintext corresponding to the current segment according to the number corresponding to the target key.
For example, in the second table above, in the first paragraph "09," 0 "indicates that the plaintext password corresponding to the following" 9 "is a letter, and then the target key corresponding to" 9 "on the squared keyboard is obtained as the key in row 3 and column 3, and the letter corresponding to the target key is" WXYZ ", since the first paragraph: if the number of the numbers in "09" is 1, it means that the plaintext password is the 1 st letter in the letters corresponding to the target key, i.e., the plaintext password corresponding to the ciphertext "09" in the first paragraph is "W" in "WXYZ".
In the second table, if the plaintext cipher corresponding to the seventh segment "00123" is a number, the target keys corresponding to 1, 2, and 3 are determined, and the plaintext cipher corresponding to the segment can be determined to be "123" according to the number corresponding to the target key.
S640: and combining the plaintext corresponding to each segment to obtain a decrypted cipher sequence.
For example, the plaintext cipher in Table two above is combined to obtain a cipher sequence of "woaini123".
In some embodiments, before determining the target key or determining the target number and/or target letter corresponding to the target key, the number and/or letter corresponding to the key in the nine-grid keyboard may be adjusted, and then the target key is determined according to the adjusted nine-grid keyboard, or the target number and/or target letter corresponding to the target key is determined.
Specifically, the method for adjusting the nine-grid keyboard may be: acquiring the position serial number of the current segment in multiple segments; and determining the moving digit number and the moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number, and moving the 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letters corresponding to each key, thereby obtaining the adjusted nine-grid keyboard.
The method for adjusting the nine-grid keyboard can refer to step S304.
In some embodiments, determining the number of moving digits and moving direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number includes: when the serial number of the current position is an odd number, determining the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard as a first direction; and when the serial number of the current position is an even number, determining that the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard is a second direction opposite to the first direction.
The present specification provides a password input and transmission apparatus, which can be used to implement the method shown in fig. 2. As shown in fig. 7, the password input and transmission apparatus includes a presentation unit 110, a first obtaining unit 120, an encryption unit 130, a first combining unit 140, and a transmission unit 150.
The presentation unit 110 is used for presenting a nine-grid keyboard for inputting a password, the nine-grid keyboard comprising 9 keys, each key being used for inputting one number from 1 to 9, and for inputting one letter from 26 letters or a preset character, wherein each letter from 26 letters corresponds to one key.
The first obtaining unit 120 is configured to obtain a password sequence input by a user through a nine-grid keyboard, where the password sequence includes letters and/or numbers.
The encryption unit 130 is configured to encrypt each of the ciphers in the cipher sequence according to the following method: under the condition that the current password is a letter, acquiring a target key corresponding to the letter, determining a target number corresponding to the target key, and a position serial number of the letter in the letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the position serial number and the target number; and/or under the condition that the current password is a number, acquiring a target key corresponding to the number, determining a target letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the target letter.
The first combining unit 140 is configured to combine ciphertexts corresponding to each bit in the cipher sequence through a preset identifier to obtain a cipher text corresponding to the cipher sequence.
The sending unit 150 is configured to send a ciphertext corresponding to the cipher sequence to a receiving party.
In some embodiments, the encryption unit determines that a ciphertext corresponding to the current password is a ciphertext composed of the target numbers, where the number of the target numbers is equal to the position sequence number.
In some embodiments, the encryption unit determines that a ciphertext corresponding to the current password is a ciphertext composed of the target letters, where the number of the target letters is a random number.
In some embodiments, the apparatus further comprises a first adjusting unit 160 for adjusting the preset squared figure keyboard. The first adjusting unit 160 includes a first acquiring subunit 161 and a first determining subunit 162.
The first obtaining sub-unit 161 is configured to obtain a current position number of the current password in the password sequence. The first determining subunit 162 is configured to determine, according to the current position sequence number, a moving digit number and a moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard, and move the 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letter corresponding to each key, so as to obtain an adjusted nine-grid keyboard.
In some embodiments, the first determining subunit 162 includes a second determining subunit 1621 and a third determining subunit 1622.
The second determining subunit 1621 is configured to determine, when the serial number of the current position is an odd number, that the moving direction of the letter and/or the number corresponding to the key in the nine-grid keyboard is the first direction. The third determining subunit 1622 is configured to determine, when the serial number of the current location is an even number, that the moving direction of the letter and/or the number corresponding to the key in the nine-grid keyboard is a second direction opposite to the first direction.
In some embodiments, the first determining subunit 162 includes: a fourth determining subunit 1623, configured to determine that the number of moving digits of the letter and/or the number corresponding to the key in the squared figure is equal to the current position serial number.
The password inputting and transmitting apparatus is described with reference to the password inputting and transmitting method.
The present specification provides a password receiving apparatus that may be used to implement the method shown in fig. 6. As shown in fig. 8, the password receiving apparatus includes a second obtaining unit 210, a dividing unit 220, a decrypting unit 230, and a second combining unit 240.
The second obtaining unit 210 is configured to obtain a ciphertext.
The dividing unit 220 is configured to divide the ciphertext into multiple segments according to a preset identifier; the preset identifier is used for indicating whether a plaintext corresponding to a section of associated ciphertext is a letter or a number.
The decryption unit 230 is configured to decrypt each of the plurality of segments according to the following method: under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a letter, acquiring a target key corresponding to a number in the current segment on a preset Sudoku keyboard, determining a position serial number of the letter according to the number of the number and/or the letter in the current segment, and determining a letter from the letters corresponding to the target key according to the position serial number as the plaintext corresponding to the current segment; and under the condition that the preset identifier associated with the current segment indicates that the plaintext corresponding to the current segment is a number, acquiring a target key corresponding to the number in the current segment on a preset Sudoku keyboard, and determining the plaintext corresponding to the current segment according to the number in the current segment.
The second combining unit 240 is configured to combine the plaintext corresponding to each segment to obtain a decrypted cipher sequence.
In some embodiments, the apparatus further comprises a second adjusting unit 250 for adjusting the preset squared figure keyboard. The second adjusting unit 250 includes a second obtaining subunit 251 and a fifth determining subunit 252.
The second obtaining subunit 251 is configured to obtain a current position sequence number of the current segment in the multiple segments. The fifth determining subunit 252 is configured to determine, according to the current position sequence number, a moving digit number and a moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard, and move the 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letter corresponding to each key, so as to obtain an adjusted nine-grid keyboard.
In some embodiments, the fifth determining subunit 252 includes a sixth determining subunit 2521 and a seventh determining subunit 2522.
The sixth determining subunit 2521 is configured to determine, when the current position serial number is an odd number, that a moving direction of a letter and/or a number corresponding to a key in the squared paper keyboard is the first direction. The seventh determining subunit 2522 is configured to determine, when the current location serial number is an even number, that a moving direction of letters and/or numbers corresponding to the keys in the squared figure keyboard is a second direction opposite to the first direction.
For the description of the above password receiving apparatus, please refer to the above password receiving method.
The embodiment of the invention also provides computer equipment which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the password input and transmission method or the password receiving method when executing the computer program.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the method for inputting and sending a password or the method for receiving a password is implemented.
An embodiment of the present invention further provides a computer program product, where the computer program product includes a computer program, and when executed by a processor, the computer program implements the above password input and transmission method, or the password reception method.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (14)

1. A password input and transmission method is characterized by comprising the following steps:
showing a Sudoku keyboard for inputting a password, the Sudoku keyboard comprising 9 keys, each key for inputting a number from 1 to 9 and for inputting one letter of 26 letters or a preset character, wherein each letter of the 26 letters corresponds to one key;
acquiring a password sequence input by a user through a Sudoku keyboard, wherein the password sequence comprises letters and/or numbers;
encrypting each password in the password sequence according to the following method: under the condition that the current password is a letter, acquiring a target key corresponding to the letter, determining a target number corresponding to the target key, and a position serial number of the letter in the letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the position serial number and the target number; and/or under the condition that the current password is a number, acquiring a target key corresponding to the number, determining a target letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the target letter;
combining ciphertexts corresponding to all the ciphers in the cipher sequence through a preset identifier to obtain the ciphertexts corresponding to the cipher sequence;
and sending the ciphertext corresponding to the password sequence to a receiving party.
2. The method of claim 1, wherein determining a ciphertext corresponding to the current password according to the location number and the target number comprises:
and determining that the ciphertext corresponding to the current password is the ciphertext formed by the target numbers, wherein the number of the target numbers is equal to the position sequence number.
3. The method of claim 1, wherein determining the ciphertext corresponding to the current password from the target alphabet comprises:
and determining that the ciphertext corresponding to the current password is the ciphertext formed by the target letters, wherein the number of the target letters is a random number.
4. The method according to claim 1, before acquiring the target key corresponding to the letter or the target key corresponding to the number, further comprising:
acquiring a current position sequence number of a current password in the password sequence;
and determining the moving digit number and the moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number, moving 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letters corresponding to each key to obtain the adjusted nine-grid keyboard, and obtaining target keys corresponding to the letters or the target keys corresponding to the numbers according to the adjusted nine-grid keyboard.
5. The method according to claim 4, wherein determining the number of moving digits and moving direction of the letters and/or numbers corresponding to the keys in the Sudoku keyboard according to the current position serial number comprises:
when the serial number of the current position is an odd number, determining that the moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard is a first direction;
and when the serial number of the current position is an even number, determining the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard to be a second direction opposite to the first direction.
6. The method according to claim 2, wherein determining the number of movement digits and the movement direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number comprises:
and determining that the moving digit of the letter and/or the number corresponding to the key in the squared figure is equal to the serial number of the current position.
7. A method of receiving a password, comprising:
obtaining a ciphertext;
dividing the ciphertext into multiple sections according to preset identifiers; the preset identifier is used for indicating whether a plaintext corresponding to a section of associated ciphertext is a letter or a number;
decrypting each of the plurality of segments in accordance with: under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a letter, acquiring a target key corresponding to a number in the current segment on a preset Sudoku keyboard, determining a position serial number of the letter according to the number of the number and/or the letter in the current segment, and determining a letter from the letters corresponding to the target key according to the position serial number as the plaintext corresponding to the current segment; under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a number, acquiring a target key corresponding to a letter in the current segment on a preset Sudoku keyboard, and determining the plaintext corresponding to the current segment according to the number corresponding to the target key;
and combining the plaintext corresponding to each segment to obtain a decrypted password sequence.
8. The method of claim 7, further comprising, before obtaining a target key corresponding to a number in the current segment on a preset Sudoku keyboard or obtaining a target key corresponding to a letter in the current segment on a preset Sudoku keyboard:
acquiring the current position sequence number of the current segment in the plurality of segments;
and determining the moving digit number and moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number, moving 26 letters corresponding to the nine-grid keyboard according to the moving direction and the moving digit number to adjust the letters corresponding to each key to obtain the adjusted nine-grid keyboard, and obtaining target keys corresponding to the numbers in the current section on the preset nine-grid keyboard or target keys corresponding to the letters in the current section on the preset nine-grid keyboard according to the adjusted nine-grid keyboard.
9. The method according to claim 8, wherein determining the number of movement digits and the movement direction of the letters and/or numbers corresponding to the keys in the nine-grid keyboard according to the current position serial number comprises:
when the serial number of the current position is an odd number, determining that the moving direction of letters and/or numbers corresponding to the keys in the nine-grid keyboard is a first direction;
and when the serial number of the current position is an even number, determining the moving direction of the letters and/or the numbers corresponding to the keys in the nine-grid keyboard to be a second direction opposite to the first direction.
10. A password input and transmission apparatus, comprising:
the display unit is used for displaying a Sudoku keyboard for inputting a password, the Sudoku keyboard comprises 9 keys, each key is used for inputting a number from 1 to 9 and inputting one letter or preset characters from 26 letters, and each letter in the 26 letters corresponds to one key;
the system comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring a password sequence input by a user through a Sudoku keyboard, and the password sequence comprises letters and/or numbers;
an encryption unit, configured to encrypt each password in the password sequence according to the following method: under the condition that the current password is a letter, acquiring a target key corresponding to the letter, determining a target number corresponding to the target key, and a position serial number of the letter in the letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the position serial number and the target number; and/or under the condition that the current password is a number, acquiring a target key corresponding to the number, determining a target letter corresponding to the target key, and determining a ciphertext corresponding to the current password according to the target letter;
the first combination unit is used for combining the ciphertext corresponding to each bit of the password sequence through a preset identifier to obtain the ciphertext corresponding to the password sequence;
and the sending unit is used for sending the ciphertext corresponding to the password sequence to a receiving party.
11. A password receiving apparatus, comprising:
a second obtaining unit configured to obtain a ciphertext;
the dividing unit is used for dividing the ciphertext into multiple sections according to a preset identifier; the preset identifier is used for indicating whether a plaintext corresponding to a section of associated ciphertext is a letter or a number;
a decryption unit for decrypting each of the plurality of segments according to the following method: under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a letter, acquiring a target key corresponding to a number in the current segment on a preset Sudoku keyboard, determining a position serial number of the letter according to the number of the number and/or the letter in the current segment, and determining a letter from the letters corresponding to the target key as the plaintext corresponding to the current segment according to the position serial number; under the condition that a preset identifier associated with a current segment indicates that a plaintext corresponding to the current segment is a number, acquiring a target key corresponding to a letter in the current segment on a preset Sudoku keyboard, and determining the plaintext corresponding to the current segment according to the number corresponding to the target key;
and the second combination unit is used for combining the plaintext corresponding to each segment to obtain a decrypted cipher sequence.
12. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any of claims 1 to 9 when executing the computer program.
13. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, implements the method of any one of claims 1 to 9.
14. A computer program product, characterized in that the computer program product comprises a computer program which, when being executed by a processor, carries out the method of any one of claims 1 to 9.
CN202210527072.6A 2022-05-16 2022-05-16 Password input and sending and receiving method and device Pending CN115250178A (en)

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