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Calcimator

Cryptography & Security

Advanced cryptographic calculations for key strength, encryption security, hash functions, and attack analysis.

RSA Key Strength Calculator

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

simple
2 inputs

Hash Collision Probability Calculator

Calculate hash collision probability using birthday paradox. Find collision probability and birthday bound for hash functions.

simple
3 inputs

Password Entropy Calculator

Calculate password entropy, brute force time, and security strength. Measure password complexity and cryptographic strength.

simple
6 inputs

Encryption Key Space Calculator

Calculate encryption key space size, brute force time, and security level for cryptographic algorithms.

simple
2 inputs

Birthday Attack Calculator

Calculate birthday attack parameters, collision probability, time to collision, and attack feasibility for hash functions.

simple
3 inputs

Diffie-Hellman Key Exchange Calculator

Calculate Diffie-Hellman key exchange parameters, shared secret, and security analysis.

simple
4 inputs

Elliptic Curve Cryptography Calculator

Calculate ECC key strength, equivalent RSA key length, security level, and cryptographic parameters.

simple
2 inputs

Brute Force Attack Time Calculator

Calculate brute force attack time, cost, energy consumption, and feasibility for cryptographic systems.

simple
4 inputs

Certificate Validity Calculator

Calculate certificate security level, validity period recommendations, and certificate strength analysis.

simple
3 inputs

Security Strength Calculator

Calculate overall cryptographic security strength, equivalent key lengths, and security lifetime estimates.

simple
3 inputs

Encryption Strength Calculator

Complete encryption strength analysis. Key strength, hash functions, cipher modes, post-quantum cryptography, and random number generation.

wizard
15 inputs

Attack Probability Calculator

Comprehensive cryptographic attack analysis. Brute force, birthday attacks, side-channel risks, password strength, and key derivation security.

wizard
19 inputs