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Calcimator

RSA Key Strength Calculator

Calculate RSA key strength, equivalent symmetric key length, brute force time, and security margins.

Inputs

bits

Results

Security Level

1,024 bits

Equivalent Symmetric Key

1,024 bits

Brute Force Time

∞ years

ECC Equivalent Key Length0 bits
Key Space∞ bits
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Formula

Security Level ≈ Key Length / 2

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