Cryptography and infosec math Calculators: All 38 Tools
Every cryptography and infosec math calculator on CalculatorHub, 38 in total, listed alphabetically. Each one is free, works in your browser with no signup, and shows the method it uses. Where a result depends on an external rate, standard or dataset, the supporting source is shown on the page with the date it was last checked. Prefer to search across all 6,718 calculators? Use the tool finder.
- AES Keyspace Calculator: Key Combinations and Strength
- Argon2 Memory Cost Calculator
- Base58 Size Calculator: Encoded Length from Bytes
- Base64 Overhead Calculator: Encoded Size and Overhead
- Bcrypt Cost Factor Calculator: Iterations and Hashing Time
- Bcrypt Salt Rounds Time Calculator
- Brute Force Time Calculator: Crack Time Estimate
- Caesar Cipher Calculator: Encode and Decode
- Certificate Expiry Calculator: Days Until TLS Cert Expires
- Collision Resistance Bits Calculator
- CRC Checksum Calculator: CRC-8, CRC-16, CRC-32 Values
- Data Breach Cost Calculator: Total Breach Cost Estimate
- Diceware Passphrase Entropy Calculator
- Diffie-Hellman Shared Key Calculator
- Diffie-Hellman Strength Calculator: Modulus Bit Security
- ECDSA Key Strength Calculator
- Elliptic Curve Point Add Calculator
- Entropy Accumulation Time Calculator
- Hash Collision Probability Calculator: Birthday Bound
- Hash Difficulty Target Calculator: Expected Hashes
- IP Address Range Calculator: Network, Broadcast, Hosts
- Key Rotation Schedule Calculator: Rotations per Period
- Key Space Size Calculator: Entropy and Brute Force
- Luhn Checksum Calculator: Check Digit and Validity
- MFA Risk Reduction Calculator: Residual Risk After MFA
- One-Time Pad Length Calculator: Key and Message Size
- Passphrase Strength Calculator: Entropy in Bits
- Password Crack Cost Calculator: GPU-Hours and Cloud Cost
- PBKDF2 Iteration Time Calculator
- Rainbow Table Size Calculator
- Ransomware Downtime Cost Calculator: Total Incident Cost
- RSA Key Strength Calculator: Symmetric Equivalent Bits
- Seed Phrase Entropy Calculator
- Shannon Entropy Calculator: Information Entropy in Bits
- Subnet CIDR Calculator: Hosts per Subnet and Mask
- TLS Handshake Overhead Calculator: Round Trips and Latency
- Vigenere Cipher Calculator: Encode and Decode
- XOR Cipher Calculator: Repeating-Key XOR Hex