projects / thirdparty / openssl.git / blame
| Commit | Line | Data |
|---|---|---|
| 38e33cef UM |
1 | =pod |
| 2 | ||
| 3 | =head1 NAME | |
| 4 | ||
| 6a2da303 | 5 | DSA_size, DSA_bits, DSA_security_bits - get DSA signature size, key bits or security bits |
| 38e33cef UM |
6 | |
| 7 | =head1 SYNOPSIS | |
| 8 | ||
| 9 | #include <openssl/dsa.h> | |
| 10 | ||
| 5bf73873 | 11 | int DSA_size(const DSA *dsa); |
| 5d8d9a8e | 12 | int DSA_bits(const DSA *dsa); |
| 6a2da303 | 13 | int DSA_security_bits(const DSA *dsa); |
| 38e33cef UM |
14 | |
| 15 | =head1 DESCRIPTION | |
| 16 | ||
| 5d8d9a8e DSH |
17 | DSA_size() returns the maximum size of an ASN.1 encoded DSA signature |
| 18 | for key B<dsa> in bytes. It can be used to determine how much memory must | |
| 19 | be allocated for a DSA signature. | |
| 38e33cef UM |
20 | |
| 21 | B<dsa-E<gt>q> must not be B<NULL>. | |
| 22 | ||
| 5d8d9a8e DSH |
23 | DSA_bits() returns the number of bits in key B<dsa>: this is the number |
| 24 | of bits in the B<p> parameter. | |
| 25 | ||
| 6a2da303 PY |
26 | DSA_security_bits() returns the number of security bits of the given B<dsa> |
| 27 | key. See L<BN_security_bits(3)>. | |
| 28 | ||
| 1f13ad31 | 29 | =head1 RETURN VALUES |
| 38e33cef | 30 | |
| 6a2da303 | 31 | DSA_size() returns the signature size in bytes. |
| 5d8d9a8e DSH |
32 | |
| 33 | DSA_bits() returns the number of bits in the key. | |
| 38e33cef UM |
34 | |
| 35 | =head1 SEE ALSO | |
| 36 | ||
| b97fdb57 | 37 | L<DSA_new(3)>, L<DSA_sign(3)> |
| 38e33cef | 38 | |
| e2f92610 RS |
39 | =head1 COPYRIGHT |
| 40 | ||
| 61f805c1 | 41 | Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved. |
| e2f92610 | 42 | |
| 4746f25a | 43 | Licensed under the Apache License 2.0 (the "License"). You may not use |
| e2f92610 RS |
44 | this file except in compliance with the License. You can obtain a copy |
| 45 | in the file LICENSE in the source distribution or at | |
| 46 | L<https://www.openssl.org/source/license.html>. | |
| 47 | ||
| 48 | =cut |