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DSA_bits.3
.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.35) .\" .\" 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. 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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" DSA_size, DSA_bits, DSA_security_bits \- get DSA signature size, key bits or security bits .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/dsa.h> \& \& int DSA_size(const DSA *dsa); \& int DSA_bits(const DSA *dsa); \& int DSA_security_bits(const DSA *dsa); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBDSA_size()\fR returns the maximum size of an \s-1ASN.1\s0 encoded \s-1DSA\s0 signature for key \fBdsa\fR in bytes. It can be used to determine how much memory must be allocated for a \s-1DSA\s0 signature. .PP \&\fBdsa\->q\fR must not be \fB\s-1NULL\s0\fR. .PP \&\fBDSA_bits()\fR returns the number of bits in key \fBdsa\fR: this is the number of bits in the \fBp\fR parameter. .PP \&\fBDSA_security_bits()\fR returns the number of security bits of the given \fBdsa\fR key. See \fBBN_security_bits\fR\|(3). .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fBDSA_size()\fR returns the signature size in bytes. .PP \&\fBDSA_bits()\fR returns the number of bits in the key. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBDSA_new\fR\|(3), \fBDSA_sign\fR\|(3) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2000\-2018 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.
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