Function esp_idf_sys::mbedtls_sha512_update

pub unsafe extern "C" fn mbedtls_sha512_update(
    ctx: *mut mbedtls_sha512_context,
    input: *const c_uchar,
    ilen: usize
) -> c_int

\brief This function feeds an input buffer into an ongoing SHA-512 checksum calculation.

\param ctx The SHA-512 context. This must be initialized and have a hash operation started. \param input The buffer holding the input data. This must be a readable buffer of length \p ilen Bytes. \param ilen The length of the input data in Bytes.

\return \c 0 on success. \return A negative error code on failure.