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Classical cryptography

• Simple substitution cipher
  • Caesar cipher
  • ROT13
  • Affine cipher
• Vigenère cipher
• Rail fence cipher
• Letter number cipher (A1Z26)
• Polybius square cipher

Modern cryptography

• Block cipher
  • AES (Advanced Encryption Standard)
  • DES (Data Encryption Standard)
• Stream cipher
  • RC4 (Rivest Cipher 4)
• Cryptographic hash function
  • HMAC (Hash-based message authentication code)
• Cryptosystem
  • PGP (Pretty Good Privacy)
  • TOTP (Time-based one-time passwords)

Encodings

• Phonetic alphabet (NATO and 13 others)
• Morse code
• Navajo code

Data formats

• Text encoder (UTF-8 and 150+ others)
• Number encoder (integers, floating-point numbers)
• Binary to text encoding (binary, hex, Base 32, Base 64)
• Swap endianness between big-endian and little-endian

Arithmetic and Logic

• Arithmetic operators Add, Subtract, Multiply & Divide
• Trigonometric functions sin, cos & tan
• Bitwise operator XOR, AND, OR, NOT
• Logical operators AND, OR & NOT

Analysis

• Index of coincidence
• Shannon Entropy
• Word Counter

Service integrations

• Google Translate (100+ languages)