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1467

Alberti invents the cipher disk

Leon Battista Alberti’s device marked a major step toward more sophisticated polyalphabetic encipherment.

Canonical milestoneItaly1 timeline

Context

Appears In

TimelineTimeline of the History of Cryptography

Position 5

Authority

Sources

Encyclopaedia BritannicaConfidence 98%

Taxonomy

Tags

renaissanceitalycryptography