stackedcryptography

noun
UK /stækt krɪpˈtɒɡrəfi/
US /stækt krɪpˈtɑːɡrəfi/

Stacked cryptography is when you lock a secret with more than one code, one after another, to keep it extra safe.

The team used stacked cryptography so that even if one lock was broken, the message stayed hidden.


OTHER MEANINGS

2. A teaching method where simple ciphers are combined in layers to show how each step adds protection.

In class we built stacked cryptography with a Caesar shift and a number code.

3. A security design that applies several independent encryption schemes so no single failure reveals the data.

The vault used stacked cryptography with three different algorithms.

4. The practice of wrapping an already encrypted file inside another encrypted container.

She protected the backup with stacked cryptography before uploading it.