•hash — Hashing

•hash data gives the SHA-256 digest of data as 64 hexadecimal digits, as tools such as sha256sum print it. Text is hashed as UTF-8, and numbers as bytes. alg •hash data uses "sha224", "sha256", "sha384" or "sha512".

•hash "abc"   ⍝ "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"

Errors: DOMAIN for an unknown algorithm, or byte values outside 0 to 255.