DSA_size, DSA_bits, DSA_security_bits - get DSA signature size, key bits or security bits
The following functions have been deprecated since OpenSSL 3.0, and can be hidden entirely by defining OPENSSL_API_COMPAT with a suitable version value, see openssl_user_macros(7):
int DSA_bits(const DSA *dsa); int DSA_size(const DSA *dsa); int DSA_security_bits(const DSA *dsa);
DSA_bits() returns the number of bits in key dsa: this is the number of bits in the p parameter.
DSA_size() returns the maximum size of an ASN.1 encoded DSA signature for key dsa in bytes. It can be used to determine how much memory must be allocated for a DSA signature.
DSA_security_bits() returns the number of security bits of the given dsa key. See BN_security_bits(3).
DSA_security_bits() returns the number of security bits in the key, or -1 if dsa doesn't hold any key parameters.
DSA_bits() returns the number of bits in the key, or -1 if dsa doesn't hold any key parameters.
DSA_size() returns the signature size in bytes, or -1 if dsa doesn't hold any key parameters.
All of these functions were deprecated in OpenSSL 3.0.
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