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- Trifid_cipher abstract "In classical cryptography, the trifid cipher is a cipher invented around 1901 by Felix Delastelle, which extends the concept of the bifid cipher to a third dimension, allowing each symbol to be fractionated into 3 elements instead of two. That is, while the bifid uses the Polybius square to turn each symbol into coordinates on a 5 × 5 (or 6 × 6) square, the trifid turns them into coordinates on a 3 × 3 × 3 cube. As with the bifid, this is then combined with transposition to achieve diffusion. However a higher degree of diffusion is achieved because each output symbol depends on 3 input symbols instead of two. Thus the trifid was the first practical trigraphic substitution.".
- Trifid_cipher wikiPageID "1204623".
- Trifid_cipher wikiPageRevisionID "562721939".
- Trifid_cipher hasPhotoCollection Trifid_cipher.
- Trifid_cipher subject Category:Classical_ciphers.
- Trifid_cipher type Abstraction100002137.
- Trifid_cipher type Cipher106254239.
- Trifid_cipher type ClassicalCiphers.
- Trifid_cipher type Communication100033020.
- Trifid_cipher type Message106253690.
- Trifid_cipher comment "In classical cryptography, the trifid cipher is a cipher invented around 1901 by Felix Delastelle, which extends the concept of the bifid cipher to a third dimension, allowing each symbol to be fractionated into 3 elements instead of two. That is, while the bifid uses the Polybius square to turn each symbol into coordinates on a 5 × 5 (or 6 × 6) square, the trifid turns them into coordinates on a 3 × 3 × 3 cube. As with the bifid, this is then combined with transposition to achieve diffusion.".
- Trifid_cipher label "Trifid cipher".
- Trifid_cipher label "Trifidcijfer".
- Trifid_cipher label "三分密碼".
- Trifid_cipher sameAs Trifidcijfer.
- Trifid_cipher sameAs m.04h3cx.
- Trifid_cipher sameAs Q2100701.
- Trifid_cipher sameAs Q2100701.
- Trifid_cipher sameAs Trifid_cipher.
- Trifid_cipher wasDerivedFrom Trifid_cipher?oldid=562721939.
- Trifid_cipher isPrimaryTopicOf Trifid_cipher.