RSAPublicKey_dup
LCRYPTO_USED(RSAPublicKey_dup);
RSA *RSAPublicKey_dup(RSA *rsa);
LCRYPTO_ALIAS(RSAPublicKey_dup);
if ((*out_pub = RSAPublicKey_dup(rsa)) == NULL)
*(RSA **)keyp = RSAPublicKey_dup(kl->key_key);
*(RSA **)keyp = RSAPublicKey_dup(EVP_PKEY_get0_RSA(key));
if ((rsa = RSAPublicKey_dup(EVP_PKEY_get0_RSA(evp))) == NULL) {