Function bearssl::br_aes_big_cbcenc_init

pub unsafe extern "C" fn br_aes_big_cbcenc_init(
    ctx: *mut br_aes_big_cbcenc_keys, 
    key: *const c_void, 
    len: usize
)

\brief Context initialisation (key schedule) for AES CBC encryption (aes_big implementation).

\param ctx context to initialise. \param key secret key. \param len secret key length (in bytes).