.\" -*- mode: troff; coding: utf-8 -*- .\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43) .\" .\" 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 .. .\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>. .ie n \{\ . ds C` "" . ds C' "" 'br\} .el\{\ . 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 "Crypt::Digest::SHA1 3pm" .TH Crypt::Digest::SHA1 3pm 2024-03-07 "perl v5.38.2" "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 Crypt::Digest::SHA1 \- Hash function SHA\-1 [size: 160 bits] .SH SYNOPSIS .IX Header "SYNOPSIS" .Vb 3 \& ### Functional interface: \& use Crypt::Digest::SHA1 qw( sha1 sha1_hex sha1_b64 sha1_b64u \& sha1_file sha1_file_hex sha1_file_b64 sha1_file_b64u ); \& \& # calculate digest from string/buffer \& $sha1_raw = sha1(\*(Aqdata string\*(Aq); \& $sha1_hex = sha1_hex(\*(Aqdata string\*(Aq); \& $sha1_b64 = sha1_b64(\*(Aqdata string\*(Aq); \& $sha1_b64u = sha1_b64u(\*(Aqdata string\*(Aq); \& # calculate digest from file \& $sha1_raw = sha1_file(\*(Aqfilename.dat\*(Aq); \& $sha1_hex = sha1_file_hex(\*(Aqfilename.dat\*(Aq); \& $sha1_b64 = sha1_file_b64(\*(Aqfilename.dat\*(Aq); \& $sha1_b64u = sha1_file_b64u(\*(Aqfilename.dat\*(Aq); \& # calculate digest from filehandle \& $sha1_raw = sha1_file(*FILEHANDLE); \& $sha1_hex = sha1_file_hex(*FILEHANDLE); \& $sha1_b64 = sha1_file_b64(*FILEHANDLE); \& $sha1_b64u = sha1_file_b64u(*FILEHANDLE); \& \& ### OO interface: \& use Crypt::Digest::SHA1; \& \& $d = Crypt::Digest::SHA1\->new; \& $d\->add(\*(Aqany data\*(Aq); \& $d\->addfile(\*(Aqfilename.dat\*(Aq); \& $d\->addfile(*FILEHANDLE); \& $result_raw = $d\->digest; # raw bytes \& $result_hex = $d\->hexdigest; # hexadecimal form \& $result_b64 = $d\->b64digest; # Base64 form \& $result_b64u = $d\->b64udigest; # Base64 URL Safe form .Ve .SH DESCRIPTION .IX Header "DESCRIPTION" Provides an interface to the SHA1 digest algorithm. .SH EXPORT .IX Header "EXPORT" Nothing is exported by default. .PP You can export selected functions: .PP .Vb 2 \& use Crypt::Digest::SHA1 qw(sha1 sha1_hex sha1_b64 sha1_b64u \& sha1_file sha1_file_hex sha1_file_b64 sha1_file_b64u); .Ve .PP Or all of them at once: .PP .Vb 1 \& use Crypt::Digest::SHA1 \*(Aq:all\*(Aq; .Ve .SH FUNCTIONS .IX Header "FUNCTIONS" .SS sha1 .IX Subsection "sha1" Logically joins all arguments into a single string, and returns its SHA1 digest encoded as a binary string. .PP .Vb 3 \& $sha1_raw = sha1(\*(Aqdata string\*(Aq); \& #or \& $sha1_raw = sha1(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq); .Ve .SS sha1_hex .IX Subsection "sha1_hex" Logically joins all arguments into a single string, and returns its SHA1 digest encoded as a hexadecimal string. .PP .Vb 3 \& $sha1_hex = sha1_hex(\*(Aqdata string\*(Aq); \& #or \& $sha1_hex = sha1_hex(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq); .Ve .SS sha1_b64 .IX Subsection "sha1_b64" Logically joins all arguments into a single string, and returns its SHA1 digest encoded as a Base64 string, \fBwith\fR trailing '=' padding. .PP .Vb 3 \& $sha1_b64 = sha1_b64(\*(Aqdata string\*(Aq); \& #or \& $sha1_b64 = sha1_b64(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq); .Ve .SS sha1_b64u .IX Subsection "sha1_b64u" Logically joins all arguments into a single string, and returns its SHA1 digest encoded as a Base64 URL Safe string (see RFC 4648 section 5). .PP .Vb 3 \& $sha1_b64url = sha1_b64u(\*(Aqdata string\*(Aq); \& #or \& $sha1_b64url = sha1_b64u(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq); .Ve .SS sha1_file .IX Subsection "sha1_file" Reads file (defined by filename or filehandle) content, and returns its SHA1 digest encoded as a binary string. .PP .Vb 3 \& $sha1_raw = sha1_file(\*(Aqfilename.dat\*(Aq); \& #or \& $sha1_raw = sha1_file(*FILEHANDLE); .Ve .SS sha1_file_hex .IX Subsection "sha1_file_hex" Reads file (defined by filename or filehandle) content, and returns its SHA1 digest encoded as a hexadecimal string. .PP .Vb 3 \& $sha1_hex = sha1_file_hex(\*(Aqfilename.dat\*(Aq); \& #or \& $sha1_hex = sha1_file_hex(*FILEHANDLE); .Ve .PP \&\fBBEWARE:\fR You have to make sure that the filehandle is in binary mode before you pass it as argument to the \fBaddfile()\fR method. .SS sha1_file_b64 .IX Subsection "sha1_file_b64" Reads file (defined by filename or filehandle) content, and returns its SHA1 digest encoded as a Base64 string, \fBwith\fR trailing '=' padding. .PP .Vb 3 \& $sha1_b64 = sha1_file_b64(\*(Aqfilename.dat\*(Aq); \& #or \& $sha1_b64 = sha1_file_b64(*FILEHANDLE); .Ve .SS sha1_file_b64u .IX Subsection "sha1_file_b64u" Reads file (defined by filename or filehandle) content, and returns its SHA1 digest encoded as a Base64 URL Safe string (see RFC 4648 section 5). .PP .Vb 3 \& $sha1_b64url = sha1_file_b64u(\*(Aqfilename.dat\*(Aq); \& #or \& $sha1_b64url = sha1_file_b64u(*FILEHANDLE); .Ve .SH METHODS .IX Header "METHODS" The OO interface provides the same set of functions as Crypt::Digest. .SS new .IX Subsection "new" .Vb 1 \& $d = Crypt::Digest::SHA1\->new(); .Ve .SS clone .IX Subsection "clone" .Vb 1 \& $d\->clone(); .Ve .SS reset .IX Subsection "reset" .Vb 1 \& $d\->reset(); .Ve .SS add .IX Subsection "add" .Vb 3 \& $d\->add(\*(Aqany data\*(Aq); \& #or \& $d\->add(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq); .Ve .SS addfile .IX Subsection "addfile" .Vb 3 \& $d\->addfile(\*(Aqfilename.dat\*(Aq); \& #or \& $d\->addfile(*FILEHANDLE); .Ve .SS add_bits .IX Subsection "add_bits" .Vb 3 \& $d\->add_bits($bit_string); # e.g. $d\->add_bits("111100001010"); \& #or \& $d\->add_bits($data, $nbits); # e.g. $d\->add_bits("\exF0\exA0", 16); .Ve .SS hashsize .IX Subsection "hashsize" .Vb 5 \& $d\->hashsize; \& #or \& Crypt::Digest::SHA1\->hashsize(); \& #or \& Crypt::Digest::SHA1::hashsize(); .Ve .SS digest .IX Subsection "digest" .Vb 1 \& $result_raw = $d\->digest(); .Ve .SS hexdigest .IX Subsection "hexdigest" .Vb 1 \& $result_hex = $d\->hexdigest(); .Ve .SS b64digest .IX Subsection "b64digest" .Vb 1 \& $result_b64 = $d\->b64digest(); .Ve .SS b64udigest .IX Subsection "b64udigest" .Vb 1 \& $result_b64url = $d\->b64udigest(); .Ve .SH "SEE ALSO" .IX Header "SEE ALSO" .IP \(bu 4 CryptX, Crypt::Digest .IP \(bu 4