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Gilbert Vernam's Paper Tape
Gilbert Vernam's Paper Tape

Origin

Gilbert Vernam

Type

Paper Tape

Effects

Converts text into a poly-alphabetic cipher

Downsides

Illegible text

Activation

Contact with documents

Collected by

Warehouse 13

Section

Pinkerton-435K

Aisle

696468-4553

Shelf

849988-1454-395

Date of Collection

1970

[Source]


OriginEdit

Gilbert Sandford Vernam (1890 - 1960) was an engineer who invented an additive poly-alphabetic stream cipher. Vernam propose that a teleprinter cipher kept on paper tape be combined character by character with a plaintext message to produce a cipertext. To decipher the ciphertext, the same key would be once again used to create the plaintext. This system helped forge the way for telegraph networks and automatic switching systems.

EffectsEdit

When placed on top of any document it converts all text into a poly-alphabetic stream cipher, document becomes unreadable

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