pub unsafe extern "C" fn hmac_sha256_update(
    ctx: *mut hmac_context_t,
    data: *const c_void,
    len: size_t
)
Expand description

@brief hmac_sha256_update Add data bytes for HMAC calculation @param[in] ctx hmac_context_t handle to use @param[in] data pointer to the buffer to generate hash from @param[in] len length of the buffer