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.IX Title "Crypt::Digest::BLAKE2s_224 3pm"
.TH Crypt::Digest::BLAKE2s_224 3pm "2020-11-09" "perl v5.32.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
Crypt::Digest::BLAKE2s_224 \- Hash function BLAKE2s [size: 224 bits]
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\& ### Functional interface:
\& use Crypt::Digest::BLAKE2s_224 qw( blake2s_224 blake2s_224_hex blake2s_224_b64 blake2s_224_b64u
\& blake2s_224_file blake2s_224_file_hex blake2s_224_file_b64 blake2s_224_file_b64u );
\&
\& # calculate digest from string/buffer
\& $blake2s_224_raw = blake2s_224(\*(Aqdata string\*(Aq);
\& $blake2s_224_hex = blake2s_224_hex(\*(Aqdata string\*(Aq);
\& $blake2s_224_b64 = blake2s_224_b64(\*(Aqdata string\*(Aq);
\& $blake2s_224_b64u = blake2s_224_b64u(\*(Aqdata string\*(Aq);
\& # calculate digest from file
\& $blake2s_224_raw = blake2s_224_file(\*(Aqfilename.dat\*(Aq);
\& $blake2s_224_hex = blake2s_224_file_hex(\*(Aqfilename.dat\*(Aq);
\& $blake2s_224_b64 = blake2s_224_file_b64(\*(Aqfilename.dat\*(Aq);
\& $blake2s_224_b64u = blake2s_224_file_b64u(\*(Aqfilename.dat\*(Aq);
\& # calculate digest from filehandle
\& $blake2s_224_raw = blake2s_224_file(*FILEHANDLE);
\& $blake2s_224_hex = blake2s_224_file_hex(*FILEHANDLE);
\& $blake2s_224_b64 = blake2s_224_file_b64(*FILEHANDLE);
\& $blake2s_224_b64u = blake2s_224_file_b64u(*FILEHANDLE);
\&
\& ### OO interface:
\& use Crypt::Digest::BLAKE2s_224;
\&
\& $d = Crypt::Digest::BLAKE2s_224\->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 BLAKE2s_224 digest algorithm.
.SH "EXPORT"
.IX Header "EXPORT"
Nothing is exported by default.
.PP
You can export selected functions:
.PP
.Vb 2
\& use Crypt::Digest::BLAKE2s_224 qw(blake2s_224 blake2s_224_hex blake2s_224_b64 blake2s_224_b64u
\& blake2s_224_file blake2s_224_file_hex blake2s_224_file_b64 blake2s_224_file_b64u);
.Ve
.PP
Or all of them at once:
.PP
.Vb 1
\& use Crypt::Digest::BLAKE2s_224 \*(Aq:all\*(Aq;
.Ve
.SH "FUNCTIONS"
.IX Header "FUNCTIONS"
.SS "blake2s_224"
.IX Subsection "blake2s_224"
Logically joins all arguments into a single string, and returns its BLAKE2s_224 digest encoded as a binary string.
.PP
.Vb 3
\& $blake2s_224_raw = blake2s_224(\*(Aqdata string\*(Aq);
\& #or
\& $blake2s_224_raw = blake2s_224(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq);
.Ve
.SS "blake2s_224_hex"
.IX Subsection "blake2s_224_hex"
Logically joins all arguments into a single string, and returns its BLAKE2s_224 digest encoded as a hexadecimal string.
.PP
.Vb 3
\& $blake2s_224_hex = blake2s_224_hex(\*(Aqdata string\*(Aq);
\& #or
\& $blake2s_224_hex = blake2s_224_hex(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq);
.Ve
.SS "blake2s_224_b64"
.IX Subsection "blake2s_224_b64"
Logically joins all arguments into a single string, and returns its BLAKE2s_224 digest encoded as a Base64 string, \fBwith\fR trailing '=' padding.
.PP
.Vb 3
\& $blake2s_224_b64 = blake2s_224_b64(\*(Aqdata string\*(Aq);
\& #or
\& $blake2s_224_b64 = blake2s_224_b64(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq);
.Ve
.SS "blake2s_224_b64u"
.IX Subsection "blake2s_224_b64u"
Logically joins all arguments into a single string, and returns its BLAKE2s_224 digest encoded as a Base64 \s-1URL\s0 Safe string (see \s-1RFC 4648\s0 section 5).
.PP
.Vb 3
\& $blake2s_224_b64url = blake2s_224_b64u(\*(Aqdata string\*(Aq);
\& #or
\& $blake2s_224_b64url = blake2s_224_b64u(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq);
.Ve
.SS "blake2s_224_file"
.IX Subsection "blake2s_224_file"
Reads file (defined by filename or filehandle) content, and returns its BLAKE2s_224 digest encoded as a binary string.
.PP
.Vb 3
\& $blake2s_224_raw = blake2s_224_file(\*(Aqfilename.dat\*(Aq);
\& #or
\& $blake2s_224_raw = blake2s_224_file(*FILEHANDLE);
.Ve
.SS "blake2s_224_file_hex"
.IX Subsection "blake2s_224_file_hex"
Reads file (defined by filename or filehandle) content, and returns its BLAKE2s_224 digest encoded as a hexadecimal string.
.PP
.Vb 3
\& $blake2s_224_hex = blake2s_224_file_hex(\*(Aqfilename.dat\*(Aq);
\& #or
\& $blake2s_224_hex = blake2s_224_file_hex(*FILEHANDLE);
.Ve
.PP
\&\fB\s-1BEWARE:\s0\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 "blake2s_224_file_b64"
.IX Subsection "blake2s_224_file_b64"
Reads file (defined by filename or filehandle) content, and returns its BLAKE2s_224 digest encoded as a Base64 string, \fBwith\fR trailing '=' padding.
.PP
.Vb 3
\& $blake2s_224_b64 = blake2s_224_file_b64(\*(Aqfilename.dat\*(Aq);
\& #or
\& $blake2s_224_b64 = blake2s_224_file_b64(*FILEHANDLE);
.Ve
.SS "blake2s_224_file_b64u"
.IX Subsection "blake2s_224_file_b64u"
Reads file (defined by filename or filehandle) content, and returns its BLAKE2s_224 digest encoded as a Base64 \s-1URL\s0 Safe string (see \s-1RFC 4648\s0 section 5).
.PP
.Vb 3
\& $blake2s_224_b64url = blake2s_224_file_b64u(\*(Aqfilename.dat\*(Aq);
\& #or
\& $blake2s_224_b64url = blake2s_224_file_b64u(*FILEHANDLE);
.Ve
.SH "METHODS"
.IX Header "METHODS"
The \s-1OO\s0 interface provides the same set of functions as Crypt::Digest.
.SS "new"
.IX Subsection "new"
.Vb 1
\& $d = Crypt::Digest::BLAKE2s_224\->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::BLAKE2s_224\->hashsize();
\& #or
\& Crypt::Digest::BLAKE2s_224::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
.IP "\(bu" 4