RSA_new, RSA_free - allocate and free RSA objects
#include <openssl/rsa.h>
RSA * RSA_new(void);
void RSA_free(RSA *rsa);
RSA_new() allocates and initializes an RSA structure. It is equivalent to
calling RSA_new_method(NULL).
RSA_free() frees the RSA structure and its components. The key is
erased before the memory is returned to the system.
If the allocation fails, RSA_new() returns NULL and sets an error
code that can be obtained by ERR_get_error. Otherwise it returns
a pointer to the newly allocated structure.
RSA_free() returns no value.
ERR_get_error, rsa, RSA_generate_key, RSA_new_method
RSA_new() and RSA_free() are available in all versions of SSLeay and OpenSSL.