SipHash-128-2-4

Compute the standard 128-bit SipHash variant with a 128-bit key

Key configuration

The initial key is a public test key, not a secret. Generate or enter your own key for keyed use. Keys and input stay in this session and are not saved. Outputs display each 64-bit word in big-endian order; the 128-bit variant follows the authors’ standard initialization

Exactly 32 hexadecimal digits; optional 0x prefix, whitespace, colons, hyphens and underscores

Input

UTF-8 text up to 16 MiB; raw files up to 1 TiB, processed locally in chunks. Inputs are never saved automatically

Hash results

Four representations of the current SipHash result

Enter text or choose a file, then calculate the hash

How to use

Compute the standard 128-bit SipHash variant with a 128-bit key