.SS "Miscellaneous utilities"
The
.BR crc32 (3)
-module calculates CRC values for strings. It's used by the symbol table
-manager as a hash function.
+module calculates CRC values for strings. It used to be used by the
+symbol table manager as a hash function.
+.PP
+The
+.BR unihash (3)
+module implements a simple but efficient universal hashing family. This
+is a keyed hash function which provides security against an adversary
+choosing input to a hash table deliberately to cause collisions.
.PP
The
.BR lock (3)