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Edit File: Net::DNS::RR::NSEC3.3pm

.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.42) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "Net::DNS::RR::NSEC3 3pm" .TH Net::DNS::RR::NSEC3 3pm "2024-09-18" "perl v5.34.0" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" Net::DNS::RR::NSEC3 \- DNS NSEC3 resource record .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 2 \& use Net::DNS; \& $rr = Net::DNS::RR\->new(\*(Aqname NSEC3 algorithm flags iterations salt hnxtname\*(Aq); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" Class for \s-1DNSSEC NSEC3\s0 resource records. .PP The \s-1NSEC3\s0 Resource Record (\s-1RR\s0) provides authenticated denial of existence for \s-1DNS\s0 Resource Record Sets. .PP The \s-1NSEC3 RR\s0 lists \s-1RR\s0 types present at the original owner name of the \&\s-1NSEC3 RR.\s0 It includes the next hashed owner name in the hash order of the zone. The complete set of \s-1NSEC3\s0 RRs in a zone indicates which RRSets exist for the original owner name of the \s-1RR\s0 and form a chain of hashed owner names in the zone. .SH "METHODS" .IX Header "METHODS" The available methods are those inherited from the base class augmented by the type-specific methods defined in this package. .PP Use of undocumented package features or direct access to internal data structures is discouraged and could result in program termination or other unpredictable behaviour. .SS "algorithm" .IX Subsection "algorithm" .Vb 2 \& $algorithm = $rr\->algorithm; \& $rr\->algorithm( $algorithm ); .Ve .PP The Hash Algorithm field is represented as an unsigned decimal integer. The value has a maximum of 255. .PP \&\fBalgorithm()\fR may also be invoked as a class method or simple function to perform mnemonic and numeric code translation. .SS "flags" .IX Subsection "flags" .Vb 2 \& $flags = $rr\->flags; \& $rr\->flags( $flags ); .Ve .PP The Flags field is an unsigned decimal integer interpreted as eight concatenated Boolean values. .IP "optout" 4 .IX Item "optout" .Vb 1 \& $rr\->optout(1); \& \& if ( $rr\->optout ) { \& ... \& } .Ve .Sp Boolean Opt Out flag. .SS "iterations" .IX Subsection "iterations" .Vb 2 \& $iterations = $rr\->iterations; \& $rr\->iterations( $iterations ); .Ve .PP The Iterations field is represented as an unsigned decimal integer. The value is between 0 and 65535, inclusive. .SS "salt" .IX Subsection "salt" .Vb 2 \& $salt = $rr\->salt; \& $rr\->salt( $salt ); .Ve .PP The Salt field is represented as a contiguous sequence of hexadecimal digits. A \*(L"\-\*(R" (unquoted) is used in string format to indicate that the salt field is absent. .SS "saltbin" .IX Subsection "saltbin" .Vb 2 \& $saltbin = $rr\->saltbin; \& $rr\->saltbin( $saltbin ); .Ve .PP The Salt field as a sequence of octets. .SS "hnxtname" .IX Subsection "hnxtname" .Vb 2 \& $hnxtname = $rr\->hnxtname; \& $rr\->hnxtname( $hnxtname ); .Ve .PP The Next Hashed Owner Name field points to the next node that has authoritative data or contains a delegation point \s-1NS\s0 RRset. .SS "typelist" .IX Subsection "typelist" .Vb 3 \& @typelist = $rr\->typelist; \& $typelist = $rr\->typelist; \& $rr\->typelist( @typelist ); .Ve .PP \&\fBtypelist()\fR identifies the RRset types that exist at the domain name matched by the \s-1NSEC3 RR.\s0 When called in scalar context, the list is interpolated into a string. .SS "typemap" .IX Subsection "typemap" .Vb 1 \& $exists = $rr\->typemap($rrtype); .Ve .PP \&\fBtypemap()\fR returns a Boolean true value if the specified RRtype occurs in the type bitmap of the \s-1NSEC3\s0 record. .SS "match" .IX Subsection "match" .Vb 1 \& $matched = $rr\->match( \*(Aqexample.foo\*(Aq ); .Ve .PP \&\fBmatch()\fR returns a Boolean true value if the hash of the domain name argument matches the hashed owner name of the \s-1NSEC3 RR.\s0 .SS "covers" .IX Subsection "covers" .Vb 1 \& $covered = $rr\->covers( \*(Aqexample.foo\*(Aq ); .Ve .PP \&\fBcovers()\fR returns a Boolean true value if the hash of the domain name argument, or ancestor of that name, falls between the owner name and the next hashed owner name of the \s-1NSEC3 RR.\s0 .SS "encloser, nextcloser, wildcard" .IX Subsection "encloser, nextcloser, wildcard" .Vb 2 \& $encloser = $rr\->encloser( \*(Aqexample.foo\*(Aq ); \& print "encloser: $encloser\en" if $encloser; .Ve .PP \&\fBencloser()\fR returns the name of a provable encloser of the query name argument obtained from the \s-1NSEC3 RR.\s0 .PP \&\fBnextcloser()\fR returns the next closer name, which is one label longer than the closest encloser. This is only valid after \fBencloser()\fR has returned a valid domain name. .PP \&\fBwildcard()\fR returns the unexpanded wildcard name from which the next closer name was possibly synthesised. This is only valid after \fBencloser()\fR has returned a valid domain name. .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright (c)2017,2018 Dick Franks .PP Portions Copyright (c)2007,2008 NLnet Labs. Author Olaf M. Kolkman .PP All rights reserved. .PP Package template (c)2009,2012 O.M.Kolkman and R.W.Franks. .SH "LICENSE" .IX Header "LICENSE" Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the original copyright notices appear in all copies and that both copyright notice and this permission notice appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific prior written permission. .PP \&\s-1THE SOFTWARE IS PROVIDED \*(L"AS IS\*(R", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\s0 .SH "SEE ALSO" .IX Header "SEE ALSO" perl Net::DNS Net::DNS::RR \&\s-1\fBRFC5155\s0\fR\|(3) <https://iana.org/go/rfc5155#section-3> \&\s-1RFC9077\s0 <https://iana.org/go/rfc9077> .PP Hash Algorithms <https://iana.org/assignments/dnssec-nsec3-parameters>