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MX2018009356A - Determinacion de un secreto comun para el intercambio seguro de informacion y claves criptograficas deterministas y jerarquicas. - Google Patents

Determinacion de un secreto comun para el intercambio seguro de informacion y claves criptograficas deterministas y jerarquicas.

Info

Publication number
MX2018009356A
MX2018009356A MX2018009356A MX2018009356A MX2018009356A MX 2018009356 A MX2018009356 A MX 2018009356A MX 2018009356 A MX2018009356 A MX 2018009356A MX 2018009356 A MX2018009356 A MX 2018009356A MX 2018009356 A MX2018009356 A MX 2018009356A
Authority
MX
Mexico
Prior art keywords
key
master
common secret
determining
deterministic
Prior art date
Application number
MX2018009356A
Other languages
English (en)
Inventor
Steven Wright Craig
Savanah Stephane
Original Assignee
Nchain Holdings Ltd
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
Priority claimed from GBGB1603117.1A external-priority patent/GB201603117D0/en
Application filed by Nchain Holdings Ltd filed Critical Nchain Holdings Ltd
Publication of MX2018009356A publication Critical patent/MX2018009356A/es

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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified 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
    • H04L9/008—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
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • 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
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • 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
    • 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
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • 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
    • H04L9/3247—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 involving digital signatures
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • 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
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Power Engineering (AREA)
  • Computer And Data Communications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Storage Device Security (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

Un método (300) y un sistema (1) de determinación de un secreto común para dos nodos (3, 7); cada nodo (3, 7) tiene un respectivo par de criptografía asimétrica, cada par incluye una clave privada maestra y una clave pública maestra; las respectivas segunda clave privada y segunda clave pública se pueden determinar con base en la clave privada maestra, la clave pública maestra y una clave determinista; un secreto común se puede determinar en cada uno de los nodos con base en la segunda clave privada y la segunda clave pública; en un ejemplo, un nodo (3, 7) puede determinar el secreto común con base en (i) una segunda clave privada basada en la propia clave privada maestra del nodo y la clave determinista; y (ii) una segunda clave pública basada en la clave pública maestra del otro nodo y la clave determinista; la invención puede ser adecuada para su uso con, pero no limitado a, monederos digitales, tecnologías de cadena de bloques (por ejemplo, Bitcoin) y seguridad de dispositivos personales.
MX2018009356A 2016-02-23 2017-02-16 Determinacion de un secreto comun para el intercambio seguro de informacion y claves criptograficas deterministas y jerarquicas. MX2018009356A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB1603117.1A GB201603117D0 (en) 2016-02-23 2016-02-23 Determining a common secret for two blockchain nodes for the secure exchange of information
GB201619301 2016-11-15
PCT/IB2017/050856 WO2017145016A1 (en) 2016-02-23 2017-02-16 Determining a common secret for the secure exchange of information and hierarchical, deterministic cryptographic keys

Publications (1)

Publication Number Publication Date
MX2018009356A true MX2018009356A (es) 2018-12-19

Family

ID=58213271

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018009356A MX2018009356A (es) 2016-02-23 2017-02-16 Determinacion de un secreto comun para el intercambio seguro de informacion y claves criptograficas deterministas y jerarquicas.

Country Status (26)

Country Link
US (5) US10652014B2 (es)
EP (4) EP3364598B1 (es)
JP (1) JP6515246B2 (es)
KR (2) KR102799781B1 (es)
CN (2) CN115549887A (es)
AU (1) AU2017223133B2 (es)
BR (1) BR112018016245A2 (es)
CA (1) CA3010116C (es)
CL (1) CL2018002363A1 (es)
CO (1) CO2018009236A2 (es)
DK (1) DK3268914T3 (es)
ES (1) ES2687182T3 (es)
GB (1) GB2561728B (es)
HR (1) HRP20181373T1 (es)
HU (1) HUE040631T2 (es)
IL (1) IL260895B (es)
LT (1) LT3268914T (es)
MX (1) MX2018009356A (es)
PH (1) PH12018550109A1 (es)
PL (1) PL3268914T3 (es)
PT (1) PT3268914T (es)
SG (2) SG10201805995VA (es)
SI (1) SI3268914T1 (es)
TW (2) TWI760149B (es)
WO (1) WO2017145016A1 (es)
ZA (1) ZA201708483B (es)

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