-* sha-256:sha256 -- standardized name; standard command in many OSes
- May be fast on hardware accelerated CPUs.
-* sha-512:sha512 -- standardized name; standard command in many OSes
- Faster on 64-bit CPUs than software sha-256.
-* skein-256:skein256 -- non-standardized name; out-of-box command in FreeBSD
- Faster than software sha-*/shake*.
-* skein-512:skein512 -- non-standardized name; out-of-box command in FreeBSD
- Faster on 64-bit CPUs than skein-256.
-* shake128:goshake128 -- standardized name; non-standard command
- Faster than software sha-*. Much faster on hardware.
-* shake256:goshake256 -- standardized name; non-standard command
- Same speed as sha-512 on 64-bit CPUs.
- Much faster on hardware.
-* streebog-256:streebog256sum -- non-standardized name; command is in contrib/
-* streebog-512:streebog512sum -- non-standardized name; command is in contrib/
-* blake3-256:b3sum -- non-standardized name; additional package in most OSes
- Fastest parallelizeable software hash
+meta4ra is copylefted free software: see the file COPYING for copying
+conditions. It should work on all POSIX-compatible systems.