=head1 NAME
-RSA_size, RSA_bits - get RSA modulus size
+RSA_size, RSA_bits, RSA_security_bits - get RSA modulus size or security bits
=head1 SYNOPSIS
-#include <openssl/rsa.h>
+ #include <openssl/rsa.h>
-int RSA_size(const RSA *rsa);
+ int RSA_size(const RSA *rsa);
-int RSA_bits(const RSA *rsa);
+ int RSA_bits(const RSA *rsa);
+
+ int RSA_security_bits(const RSA *rsa)
=head1 DESCRIPTION
B<rsa> and B<rsa-E<gt>n> must not be B<NULL>.
-=head1 RETURN VALUE
+RSA_security_bits() returns the number of security bits of the given B<rsa>
+key. See L<BN_security_bits(3)>.
+
+=head1 RETURN VALUES
+
+RSA_size() returns the size of modulus in bytes.
+
+DSA_bits() returns the number of bits in the key.
-The size.
+RSA_security_bits() returns the number of security bits.
=head1 SEE ALSO
=head1 HISTORY
-RSA_bits() was added in OpenSSL 1.1.0.
+The RSA_bits() function was added in OpenSSL 1.1.0.
=head1 COPYRIGHT
-Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2000-2018 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