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DSA_security_bits.3
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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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