Cryptography Stack Exchange

-3 votes

0 answers

21 views

Prove that F is a secure PRF

gigachad

1

asked 6 hours ago

2 votes

0 answers

78 views

Source of encryption scheme used in blockchain based IoT

Maarten Bodewes♦

91.7k

modified 11 hours ago

2 votes

1 answer

107 views

Does combining a stream cipher and block cipher produce any vulnerabilities?

kelalaka

47.5k

modified Nov 22 at 20:42

0 votes

1 answer

95 views

How to evaluate the minimum complexity of the key recovery when the success probability p is given？

fgrieu♦

138k

modified Nov 15 at 11:16

0 votes

1 answer

110 views

Trouble detecting cyclic group order crossovers in SECP256K1

tony pham

1

modified Nov 11 at 15:45

2 votes

1 answer

303 views

Disclosure of Catastrophic Cryptanalytic Breakthroughs

Paul Uszak

15.1k

answered Nov 10 at 11:44

0 votes

1 answer

93 views

Does higher key sizes correspond to a higher security parameter?

DannyNiu

9,001

answered Nov 9 at 1:03

1 vote

1 answer

75 views

Construction of Blake2 and Cha Cha

fgrieu♦

138k

answered Nov 8 at 19:24

5 votes

11 answers

9k views

For Symmetric Cryptography, why is it considered more important to safeguard a key than the function/algorithm for encrypting/decrypting a message?

Brad

151

modified Nov 4 at 15:59

1 vote

1 answer

125 views

Double- and -add algorithm

kelalaka

47.5k

modified Nov 2 at 19:59

2 votes

1 answer

58 views

n-bit addition over $GF(2^n)$ vs. addition modulo $2^n$

poncho

145k

answered Oct 28 at 12:39

3 votes

1 answer

672 views

Cracking a key using a combination of partial keys

CommunityBot

1

modified Oct 27 at 23:08

2 votes

3 answers

257 views

LWE with a binary matrix A

Sacha Servan-Schreiber

241

answered Oct 25 at 11:10

0 votes

0 answers

29 views

Writing a specific position of AES state in a specific round in terms of Key bytes

Mohammadsadeq Borjiyan

73

asked Oct 18 at 22:08

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Prove that F is a secure PRF

Source of encryption scheme used in blockchain based IoT

Does combining a stream cipher and block cipher produce any vulnerabilities?

How to evaluate the minimum complexity of the key recovery when the success probability p is given？

Trouble detecting cyclic group order crossovers in SECP256K1

Disclosure of Catastrophic Cryptanalytic Breakthroughs

Does higher key sizes correspond to a higher security parameter?

Construction of Blake2 and Cha Cha

For Symmetric Cryptography, why is it considered more important to safeguard a key than the function/algorithm for encrypting/decrypting a message?

Double- and -add algorithm

n-bit addition over $GF(2^n)$ vs. addition modulo $2^n$

Cracking a key using a combination of partial keys

LWE with a binary matrix A

Writing a specific position of AES state in a specific round in terms of Key bytes

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