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@@ -8,19 +8,23 @@ RSA_size, RSA_bits, RSA_security_bits - get RSA modulus size or security bits
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#include <openssl/rsa.h>
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int RSA_bits(const RSA *rsa);
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Deprecated since OpenSSL 3.0, can be hidden entirely by defining
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B<OPENSSL_API_COMPAT> with a suitable version value, see
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L<openssl_user_macros(7)>:
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int RSA_size(const RSA *rsa);
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int RSA_bits(const RSA *rsa);
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int RSA_security_bits(const RSA *rsa)
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=head1 DESCRIPTION
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All of the functions described on this page are deprecated.
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RSA_bits() returns the number of significant bits.
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B<rsa> and B<rsa-E<gt>n> must not be B<NULL>.
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The remaining functions described on this page are deprecated.
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Applications should instead use L<EVP_PKEY_size(3)>, L<EVP_PKEY_bits(3)>
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and L<EVP_PKEY_security_bits(3)>.
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@@ -28,18 +32,14 @@ RSA_size() returns the RSA modulus size in bytes. It can be used to
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determine how much memory must be allocated for an RSA encrypted
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value.
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RSA_bits() returns the number of significant bits.
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B<rsa> and B<rsa-E<gt>n> must not be B<NULL>.
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RSA_security_bits() returns the number of security bits of the given B<rsa>
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key. See L<BN_security_bits(3)>.
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=head1 RETURN VALUES
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RSA_size() returns the size of modulus in bytes.
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RSA_bits() returns the number of bits in the key.
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DSA_bits() returns the number of bits in the key.
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RSA_size() returns the size of modulus in bytes.
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RSA_security_bits() returns the number of security bits.
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@@ -49,7 +49,7 @@ L<BN_num_bits(3)>
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=head1 HISTORY
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All of these functions were deprecated in OpenSSL 3.0.
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The RSA_size() and RSA_security_bits() functions were deprecated in OpenSSL 3.0.
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The RSA_bits() function was added in OpenSSL 1.1.0.
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