cryptoolkit app for iPhone and iPad

Industry-standard cryptography tools—at your fingertips. Generate cryptographically secure random numbers, perform hashing and other cryptographic operations right on your iPhone. More tools are coming in future updates!

Tools available in this version:

Randomization:
• Pseudorandom numbers
• Cryptographically secure random bytes

Hashing:
• SHA-2 family: SHA-256, SHA-384, SHA-512
• SHA-1
• MD5

Coming soon:
• Randomization: truly random numbers
• Encryption and decryption: AES-GCM, ChaCha20-Poly1305
• Encoding and decoding: Base64
• Message authentication: HMAC

Processing is performed offline and locally. The input data never leaves your device.