Last Updated :2025/11/30

Bremermann's limit

Proper noun
Japanese Meaning
ブレーマン限界は、宇宙に存在する自己完結型物質システムが持つ理論上の最大計算速度を指します。これは、アインシュタインの質量エネルギー等価性とハイゼンベルクの不確定性原理に基づいており、約1.36×10⁵⁰ビット/秒・キログラムという値が算出されます。この概念は、ブルートフォース攻撃によっていかなる暗号アルゴリズムも解読されないよう設計する際に、重要な指標となります。
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ブレーマンの限界(自己完結系の物質宇宙における最大計算速度、約1.36×10^50ビット毎秒毎キログラム)は、総当たり攻撃に耐える必要がある暗号アルゴリズムを設計する際に考慮すべき重要な物理的制約です。

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The maximum computational speed of a self-contained system in the material universe, derived from Einstein's mass-energy equivalency and the Heisenberg uncertainty principle: it is approximately 1.36 × 10⁵⁰ bits per second per kilogram. This value is important in designing cryptographic algorithms that can never be cracked by brute force.

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Bremermann's limit

Bremermann's limit, which defines the maximum computational speed of a self-contained system in the material universe (about 1.36 × 1050 bits per second per kilogram), is a crucial physical constraint to consider when designing cryptographic algorithms that must resist brute-force attacks.

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Bremermann's limit, which defines the maximum computational speed of a self-contained system in the material universe (about 1.36 × 1050 bits per second per kilogram), is a crucial physical constraint to consider when designing cryptographic algorithms that must resist brute-force attacks.

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