Hash and Checksum Functions
The following hash and checksum functions are available in APL:
Checksum functions-  Generates a checksum based on the cksum or CRC-32 algorithms for a supplied argument.
Hash functions - Uses the algorithms MD2, MD5, SHA-1, SHA-256, SHA-384, or SHA-512 to turn input of arbitrary length into an output of fixed length
This chapter includes the following sections: