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+.TH "NSEC3HASH" "8" "@RELEASE_DATE@" "@BIND9_VERSION@" "BIND 9"
+.SH NAME
+nsec3hash \- generate NSEC3 hash
+.SH SYNOPSIS
+.sp
+\fBnsec3hash\fP {salt} {algorithm} {iterations} {domain}
+.sp
+\fBnsec3hash\fP \fB\-r\fP {algorithm} {flags} {iterations} {salt} {domain}
+.SH DESCRIPTION
+.sp
+\fBnsec3hash\fP generates an NSEC3 hash based on a set of NSEC3
+parameters. This can be used to check the validity of NSEC3 records in a
+signed zone.
+.sp
+If this command is invoked as \fBnsec3hash \-r\fP, it takes arguments in
+order, matching the first four fields of an NSEC3 record followed by the
+domain name: \fBalgorithm\fP, \fBflags\fP, \fBiterations\fP, \fBsalt\fP, \fBdomain\fP\&. This makes it
+convenient to copy and paste a portion of an NSEC3 or NSEC3PARAM record
+into a command line to confirm the correctness of an NSEC3 hash.
+.SH ARGUMENTS
+.INDENT 0.0
+.TP
+.B \fBsalt\fP
+This is the salt provided to the hash algorithm.
+.TP
+.B \fBalgorithm\fP
+This is a number indicating the hash algorithm. Currently the only supported
+hash algorithm for NSEC3 is SHA\-1, which is indicated by the number
+1; consequently \(dq1\(dq is the only useful value for this argument.
+.TP
+.B \fBflags\fP
+This is provided for compatibility with NSEC3 record presentation format, but
+is ignored since the flags do not affect the hash.
+.TP
+.B \fBiterations\fP
+This is the number of additional times the hash should be performed.
+.TP
+.B \fBdomain\fP
+This is the domain name to be hashed.
+.UNINDENT
+.SH SEE ALSO
+.sp
+BIND 9 Administrator Reference Manual, \fI\%RFC 5155\fP\&.
+.SH AUTHOR
+Internet Systems Consortium
+.SH COPYRIGHT
+2023, Internet Systems Consortium
+.\" Generated by docutils manpage writer.
+.