def hex

bend-collections-laws-crypto@1.0.0.0 · src/crypto/aes/aes.bend:213

import Base

213# Lowercase hexadecimal of a byte list.
214def hex(bytes: List<&2, U32>) -> String:
215  match bytes:
216    case Nil{}:
217      ""
218    case +b <> rest:
219      SCon{hex_digit(U32.and(15, U32.shrn(b, 4n))), SCon{hex_digit(U32.and(15, b)), hex(rest)}}