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pg1989

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33

votes

2

answers

14k

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How does order-preserving encryption work?

encryption order-preserving

Sep 15 at 12:15 Anum Fatima 1

18

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3

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Can you create a strong blockcipher with small blocksize, given a strong blockcipher of conventional blocksize?

block-cipher format-preserving

May 28 '16 at 13:06 wythagoras 209

17

votes

1

answer

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Does unbalancing a feistel cipher always improve security? Does it improve security at all?

feistel-network provable-security

Aug 14 '15 at 5:33 e-sushi 16.7k

14

votes

1

answer

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Are there any specific requirements for the function $F$ in a Feistel cipher?

algorithm-design feistel-network

Aug 14 '15 at 6:05 e-sushi 16.7k

7

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1

answer

3k

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How can I encrypt + authenticate short strings into similar short ciphertexts?

encryption authentication authenticated-encryption

Oct 17 '11 at 21:29 Thomas Pornin 79.7k

7

votes

2

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1k

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Is it possible to match encrypted documents using user-defined search terms?

encryption searchable-encryption secure-index

Apr 1 '15 at 20:29 Gilles 'SO- stop being evil' 12.6k

6

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2

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808

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Encryption of small messages

encryption reference-request

Jul 2 '15 at 17:41 Community♦ 1

6

votes

2

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573

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A lower bound on the insecurity of CipherCloud?

homomorphic-encryption database

Sep 7 '13 at 16:19 Community♦ 1

5

votes

2

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Security of tokenization of plain text conversations - cryptanalysis

encryption cryptanalysis

Apr 27 '16 at 19:29 SEJPM♦ 39.4k

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