Struct OSSL_PARAM 

#[repr(C)]
pub struct OSSL_PARAM {
    pub key: *const c_char,
    pub data_type: c_uint,
    pub data: *mut c_void,
    pub data_size: size_t,
    pub return_size: size_t,
}

Fields

key: *const c_char

data_type: c_uint

data: *mut c_void

data_size: size_t

return_size: size_t

Number of bytes the most recent get-params call wrote into this parameter’s data buffer. Only meaningful once crate::OSSL_PARAM_modified has confirmed the parameter was touched – before that, this field still holds the sentinel set by the OSSL_PARAM_construct_* typed constructors.