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crypt
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8 votes
3 answers
2k views

Maximum Number of Blocks to be Encrypted under One Key in CBC and CTR Mode?

7 votes
1 answer
719 views

Increases in the AES S-box

7 votes
8 answers
2k views

How to generate random numbers within a range (0,n) from random bits?

6 votes
1 answer
3k views

RSA Signature using SHA-256 is secure?

6 votes
2 answers
1k views

Number of Sbox in a Cipher

6 votes
1 answer
683 views

Security of GCM if Implemented with Stream Cipher instead of Block Cipher

5 votes
1 answer
191 views

Major Block Ciphers between DES and AES competitions

5 votes
3 answers
741 views

FIPS 186-4, Use of RSA key pair for Encryption and Signature

5 votes
1 answer
192 views

RSA Key Pair Generation - limit on $e$

4 votes
2 answers
230 views

Why EMI/EMC testing is necessary of Cryptographic Equipment?

4 votes
3 answers
692 views

How to Calculate GE of Sbox?

4 votes
2 answers
663 views

What are the issues of look-up table based implementations?

4 votes
1 answer
569 views

Security Strength of Symmetric vs Asymmetric Ciphers

4 votes
1 answer
4k views

AES Mix Column Transformation

4 votes
1 answer
472 views

Twofish MDS and PHT

4 votes
2 answers
741 views

Major code breaks in history

4 votes
0 answers
204 views

Differential Path Search of a Block Cipher

3 votes
1 answer
808 views

Linear Approximation and Linear Probability of Camellia Sbox

3 votes
1 answer
231 views

Countering Cryptographic Attacks

3 votes
1 answer
450 views

Why Camellia has 4 Sbox

3 votes
1 answer
2k views

Side Channel Attacks

3 votes
4 answers
493 views

Increasing Block Length of Symmetric Cipher

3 votes
2 answers
259 views

Lightweight block ciphers that support decryption with minimal overhead?

3 votes
0 answers
149 views

Cryptanalysis of ARX Ciphers

2 votes
1 answer
120 views

Paper based OTP and MAC

2 votes
1 answer
538 views

Solve System of Equations including XOR and Modular Addition

2 votes
1 answer
79 views

Significance of theoretical weaknesses?

2 votes
0 answers
178 views

Cryptographic key Length

2 votes
2 answers
455 views

Camellia Key Schedule

2 votes
1 answer
204 views

Interpolation Attack