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Cyber Security (CYBER); Quantum-Safe Cryptography (QSC); Impact of Quantum Computing on Symmetric Cryptography
ETSI TR 103 967 V1.1.1
Organization:
ETSI - European Telecommunications Standards Institute
Year: 2025
ETSI - European Telecommunications Standards Institute
Subject: Cyber Security
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Cyber Security (CYBER); Quantum-Safe Cryptography (QSC); Impact of Quantum Computing on Symmetric Cryptography
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| contributor author | ETSI - European Telecommunications Standards Institute | |
| date accessioned | 2025-09-30T22:59:50Z | |
| date available | 2025-09-30T22:59:50Z | |
| date copyright | 2025.01 | |
| date issued | 2025 | |
| identifier other | tr_103967v010101p.pdf | |
| identifier uri | http://yse.yabesh.ir/std;jsessioutho4703177793325273135A68A10958014A0Fa/handle/yse/347574 | |
| language | English | |
| publisher | ETSI - European Telecommunications Standards Institute | |
| title | Cyber Security (CYBER); Quantum-Safe Cryptography (QSC); Impact of Quantum Computing on Symmetric Cryptography | en |
| title | ETSI TR 103 967 V1.1.1 | num |
| type | standard | |
| page | 30 | |
| status | Published | |
| tree | ETSI - European Telecommunications Standards Institute:;2025 | |
| contenttype | fulltext | |
| subject keywords | Cyber Security | |
| subject keywords | Quantum Safe Cryptography | |
| scope | This work item will give an overview of the impact of quantum computing on symmetric algorithms such as block ciphers and hash functions. It will discuss the practicality of parallelising Grover’s algorithm, the effect of limiting quantum circuit depth, and the overhead from quantum error correction. It supplements ETSI GR QSC 006 (Limits to quantum computing applied to symmetric keys sizes) by summarising current quantum resource estimates for attacks against widely used symmetric algorithms with reasonable circuit depth assumptions. It will also provide guidance on the need to increase symmetric key lengths for a range of different use cases. |