1.\" 2.\" Copyright (c) 2024 Netflix, Inc. 3.\" 4.\" SPDX-License-Identifier: BSD-2-Clause 5.\" 6.Dd February 6, 2024 7.Dt HASH 3lua 8.Os 9.Sh NAME 10.Nm new , 11.Nm update , 12.Nm digest , 13.Nm hexdigest 14.Nd Lua Cryptographic hash module. 15.Sh DESCRIPTION 16The built-in cryptographic hashing Lua bindings for the are available via the 17.Ic hash 18table. 19.Ss Supported Hashing Schemes 20The following hashing schemes are supported by the hash module. 21.Bl -bullet -compact 22.It 23sha256 24.El 25.Ss APIs Supported 26.Bl -tag -width asdf -compact 27.It Fn new data 28Compute a digest based on the 29.Va data . 30.It Fn update Va data 31Using the current digest, process 32.Va data 33to compute a new digest as if all prior data had been concatenated together. 34.It Fn digest 35Return the hashed digest as a binary array. 36This resets the context. 37.It Fn hexdigest 38Take 39.Fn digest 40and convert it to an upper case hex string. 41This resets the context. 42.It Va digest_size 43Return the size of the digest, in bytes. 44.It Va block_size 45Return the block size used in bytes. 46.El 47.Sh EXAMPLES 48.Sh SEE ALSO 49.Xr sha256 3 50.Sh AUTHORS 51The 52.Nm 53man page was written by 54.An Warner Losh Aq Mt imp@FreeBSD.org . 55