Function esp_idf_svc::sys::mbedtls_sha256_update

source ยท 
pub unsafe extern "C" fn mbedtls_sha256_update(
    ctx: *mut mbedtls_sha256_context,
    input: *const u8,
    ilen: usize,
) -> i32
Expand description

\brief This function feeds an input buffer into an ongoing SHA-256 checksum calculation.

\param ctx The SHA-256 context. This must be initialized and have a hash operation started. \param input The buffer holding the 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.