SG11201608601TA - Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database - Google Patents

Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database

Info

Publication number
SG11201608601TA
SG11201608601TA SG11201608601TA SG11201608601TA SG11201608601TA SG 11201608601T A SG11201608601T A SG 11201608601TA SG 11201608601T A SG11201608601T A SG 11201608601TA SG 11201608601T A SG11201608601T A SG 11201608601TA SG 11201608601T A SG11201608601T A SG 11201608601TA
Authority
SG
Singapore
Prior art keywords
ciphertexts
searching
database
generating
decrypting ciphertext
Prior art date
Application number
SG11201608601TA
Inventor
Shuqin Ren
Benjamin Hong Meng Tan
Khin Mi Mi Aung
Sivaraman Sundaram
Original Assignee
Agency Science Tech & Res
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agency Science Tech & Res filed Critical Agency Science Tech & Res
Priority to SG11201608601TA priority Critical patent/SG11201608601TA/en
Publication of SG11201608601TA publication Critical patent/SG11201608601TA/en

Links

Classifications

    • 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
    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08—Randomization, e.g. dummy operations or using noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
SG11201608601TA 2014-04-23 2015-04-23 Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database SG11201608601TA (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG11201608601TA SG11201608601TA (en) 2014-04-23 2015-04-23 Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG10201401730T 2014-04-23
SG11201608601TA SG11201608601TA (en) 2014-04-23 2015-04-23 Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database
PCT/SG2015/050081 WO2015163822A1 (en) 2014-04-23 2015-04-23 Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database

Publications (1)

Publication Number Publication Date
SG11201608601TA true SG11201608601TA (en) 2016-11-29

Family

ID=54332866

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201608601TA SG11201608601TA (en) 2014-04-23 2015-04-23 Method and system for generating / decrypting ciphertext, and method and system for searching ciphertexts in a database

Country Status (3)

Country Link
US (1) US10693626B2 (en)
SG (1) SG11201608601TA (en)
WO (1) WO2015163822A1 (en)

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Also Published As

Publication number Publication date
WO2015163822A1 (en) 2015-10-29
US10693626B2 (en) 2020-06-23
US20170048058A1 (en) 2017-02-16

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