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Diffstat (limited to 'doc/man3/DH_size.pod')
| -rw-r--r-- | doc/man3/DH_size.pod | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/doc/man3/DH_size.pod b/doc/man3/DH_size.pod index c118bf3234..2421558d1f 100644 --- a/doc/man3/DH_size.pod +++ b/doc/man3/DH_size.pod @@ -2,29 +2,39 @@ =head1 NAME -DH_size, DH_bits - get Diffie-Hellman prime size +DH_size, DH_bits, DH_security_bits - get Diffie-Hellman prime size and +security bits =head1 SYNOPSIS -#include <openssl/dh.h> + #include <openssl/dh.h> -int DH_size(const DH *dh); + int DH_size(const DH *dh); -int DH_bits(const DH *dh); + int DH_bits(const DH *dh); + + int DH_security_bits(const DH *dh); =head1 DESCRIPTION DH_size() returns the Diffie-Hellman prime size in bytes. It can be used to determine how much memory must be allocated for the shared secret -computed by DH_compute_key(). +computed by L<DH_compute_key(3)>. DH_bits() returns the number of significant bits. B<dh> and B<dh-E<gt>p> must not be B<NULL>. +DH_security_bits() returns the number of security bits of the given B<dh> +key. See L<BN_security_bits(3)>. + =head1 RETURN VALUE -The size. +DH_size() returns the prime size of Diffie-Hellman in bytes. + +DH_bits() returns the number of bits in the key. + +DH_security_bits() returns the number of security bits. =head1 SEE ALSO @@ -37,7 +47,7 @@ DH_bits() was added in OpenSSL 1.1.0. =head1 COPYRIGHT -Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. +Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy |