fractionation cipher system
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cipher systems
- In cipher
…of this type called a fractionation system, a substitution is first made from symbols in the plaintext to multiple symbols in the ciphertext, which is then superencrypted by a transposition. All operations or steps involved in the transformation of a message are carried out in accordance to a rule defined…
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cryptography
- In cryptology: Product ciphers
…of product ciphers known as fractionation systems, wherein a substitution was first made from symbols in the plaintext to multiple symbols (usually pairs, in which case the cipher is called a biliteral cipher) in the ciphertext, which was then encrypted by a final transposition, known as superencryption. One of the…
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product cipher
- In product cipher
…of product ciphers known as fractionation systems, wherein a substitution was first made from symbols in the plaintext to multiple symbols (usually pairs, in which case the cipher is called a biliteral cipher) in the ciphertext, which was then encrypted by a final transposition, known as superencryption. One of the…
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