PL4270863T3 - Bezpieczne odzyskiwanie kluczy prywatnych - Google Patents

Bezpieczne odzyskiwanie kluczy prywatnych

Info

Publication number
PL4270863T3
PL4270863T3 PL23168738.5T PL23168738T PL4270863T3 PL 4270863 T3 PL4270863 T3 PL 4270863T3 PL 23168738 T PL23168738 T PL 23168738T PL 4270863 T3 PL4270863 T3 PL 4270863T3
Authority
PL
Poland
Prior art keywords
private keys
reconstruction
secure
secure reconstruction
private
Prior art date
Application number
PL23168738.5T
Other languages
English (en)
Inventor
Nick LONDON
Patrick London
Original Assignee
Die Unternehmensgefährten GmbH
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 Die Unternehmensgefährten GmbH filed Critical Die Unternehmensgefährten GmbH
Publication of PL4270863T3 publication Critical patent/PL4270863T3/pl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key 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)
    • H04L9/0822Key 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 key encryption key
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0435Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/06Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key 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)
    • H04L9/0825Key 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3247Cryptographic 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Telephonic Communication Services (AREA)
  • Computer And Data Communications (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Push-Button Switches (AREA)
PL23168738.5T 2022-04-27 2023-04-19 Bezpieczne odzyskiwanie kluczy prywatnych PL4270863T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022110139 2022-04-27

Publications (1)

Publication Number Publication Date
PL4270863T3 true PL4270863T3 (pl) 2024-07-29

Family

ID=86095799

Family Applications (1)

Application Number Title Priority Date Filing Date
PL23168738.5T PL4270863T3 (pl) 2022-04-27 2023-04-19 Bezpieczne odzyskiwanie kluczy prywatnych

Country Status (7)

Country Link
US (1) US20240121083A1 (pl)
EP (1) EP4270863B1 (pl)
JP (1) JP7573681B2 (pl)
KR (1) KR20230152584A (pl)
CN (1) CN116961988A (pl)
ES (1) ES2981322T3 (pl)
PL (1) PL4270863T3 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230396431A1 (en) * 2022-06-02 2023-12-07 Micron Technology, Inc. Error reduction during cryptographic key updates in secure memory devices
US12537670B2 (en) * 2024-05-01 2026-01-27 Unit 410, LLC Key shard verification for key storage devices
US12561456B2 (en) * 2024-06-07 2026-02-24 Coinbase, Inc. Techniques for storing key backups

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002084269A (ja) * 2000-09-07 2002-03-22 Hitachi Ltd 秘密鍵のリカバリ方法および保管方法
JP2006333164A (ja) * 2005-05-27 2006-12-07 Hitachi Systems & Services Ltd 情報処理装置
US9730072B2 (en) * 2014-05-23 2017-08-08 Apple Inc. Electronic subscriber identity module provisioning
CN107682158B (zh) * 2017-09-18 2020-06-19 杭州师范大学 一种可托管的认证加密方法
US10819522B1 (en) * 2020-01-03 2020-10-27 BlockGen Corp. Systems and methods of authentication using entropic threshold
US11522686B2 (en) * 2020-07-16 2022-12-06 Salesforce, Inc. Securing data using key agreement
KR20220052016A (ko) * 2020-10-20 2022-04-27 삼성전자주식회사 스토리지 장치에서의 보안 동작을 위한 키 교환 방법 및 이를 이용한 접근 권한 이관 방법

Also Published As

Publication number Publication date
US20240121083A1 (en) 2024-04-11
KR20230152584A (ko) 2023-11-03
CN116961988A (zh) 2023-10-27
EP4270863A1 (de) 2023-11-01
JP7573681B2 (ja) 2024-10-25
ES2981322T3 (es) 2024-10-08
EP4270863B1 (de) 2024-05-01
JP2023163173A (ja) 2023-11-09
EP4270863C0 (de) 2024-05-01

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