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Diffstat (limited to 'crypto/openssl/doc/man3/RSA_size.pod')
-rw-r--r-- | crypto/openssl/doc/man3/RSA_size.pod | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/crypto/openssl/doc/man3/RSA_size.pod b/crypto/openssl/doc/man3/RSA_size.pod new file mode 100644 index 000000000000..99498650866f --- /dev/null +++ b/crypto/openssl/doc/man3/RSA_size.pod @@ -0,0 +1,55 @@ +=pod + +=head1 NAME + +RSA_size, RSA_bits, RSA_security_bits - get RSA modulus size or security bits + +=head1 SYNOPSIS + + #include <openssl/rsa.h> + + int RSA_size(const RSA *rsa); + + int RSA_bits(const RSA *rsa); + + int RSA_security_bits(const RSA *rsa) + +=head1 DESCRIPTION + +RSA_size() returns the RSA modulus size in bytes. It can be used to +determine how much memory must be allocated for an RSA encrypted +value. + +RSA_bits() returns the number of significant bits. + +B<rsa> and B<rsa-E<gt>n> must not be B<NULL>. + +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. + +RSA_security_bits() returns the number of security bits. + +=head1 SEE ALSO + +L<BN_num_bits(3)> + +=head1 HISTORY + +The RSA_bits() function was added in OpenSSL 1.1.0. + +=head1 COPYRIGHT + +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 +in the file LICENSE in the source distribution or at +L<https://www.openssl.org/source/license.html>. + +=cut |