Serezli (Sirozî) Yusuf Paşa’nın Kriptografisi Hakkında Notlar
Notes on the Cryptography of Sirozî Yusuf Pasha

Summary/Abstract: In this article, some basic concepts about Cryptoanalysis and Cryptography, which are two orientations of Cryptology, one of the study areas of Mathematics, will be introduced and a brief start date of European and Ottoman Cryptography will be given. The beginning of the Ottoman Cryptography of Selim the IIIrd period are discussed and evaluated. Then, the role of Serezli (Sirozi) Yusuf Pasha in some historical events will be mentioned. Depending on these roles, the source of the cryptographic methods inspired by the Ottoman administrative structure and the algorithms of the cipher keys (Miftah) that he revealed will be examined. After Serezli (Sirozi) Yusuf Pasha was captured by the Russians, apart from the Fractional codes he brought to the Ottoman Cryptography, and the 2 different Keys (Miftah) he created, the innovations and place of Serezli (Sirozi) Yusuf Pasha in our cryptography history will be evaluated.

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