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41 votes

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Encryption that purposefully take hours to decrypt

answered Apr 19, 2020 at 4:43

34 votes

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How can I force slow decryption in the browser?

answered Apr 6, 2021 at 20:34

17 votes

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Why are finite fields so important in cryptography?

answered Jun 20, 2021 at 1:10

15 votes

Meaning of "Security can be reduced to a problem"

answered May 26, 2020 at 5:55

15 votes

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What are the drawbacks of "lightweight crypto"?

answered Feb 3 at 3:57

13 votes

Current Consensus on Security of Lattice Based Cryptography?

answered Apr 12, 2022 at 6:18

13 votes

Why was the term "discrete" used in discrete logarithm?

answered Apr 15, 2019 at 20:49

11 votes

Why is lattice-based cryptography believed to be hard against quantum computer?

answered Apr 15, 2022 at 18:46

11 votes

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Clarification of the provable cryptography controversies

answered Oct 8, 2021 at 16:03

10 votes

Are there prime numbers that are easy to modulo within 40 bits to 60 bits?

answered May 3, 2022 at 7:37

10 votes

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Notion of elementary operation when complexities in the form of $2^{128}$

answered Mar 14, 2022 at 3:05

9 votes

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Why do Problems for Post-Quantum algorithms have to be NP-Hard?

answered Apr 17, 2021 at 16:31

8 votes

Why Elliptic Curve Cryptography protocols depend on fixed curves?

answered Jun 25, 2021 at 6:11

8 votes

Make a Strong, Easy-to-Remember Password Using Classical Cryptography?

answered Jul 23, 2021 at 20:35

8 votes

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If OWF were to exist, do we know for sure that one of the candidate OWF would indeed be a OWF?

answered Jun 23, 2020 at 0:19

8 votes

What does the work "An Efficient Quantum Algorithm for Lattice Problems Achieving Subexponential Approximation Factor" mean?

answered Sep 22, 2021 at 7:50

7 votes

How is R-LWE related to lattice cryptography and homomorphic encryption?

answered Apr 7, 2021 at 4:41

7 votes

Bits of entropy needed to choose a random element from a list?

answered Sep 1, 2020 at 0:55

7 votes

Can combining two secure block ciphers be insecure?

answered Sep 6, 2020 at 3:31

6 votes

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Differential privacy guarantees of Gaussian noise, when each coordinate has different sensitivity

answered Oct 15, 2020 at 22:24

6 votes

Why I can't permutate an email and get away with it?

answered Nov 7, 2020 at 6:42

6 votes

When is a large semiprime possible to factor?

answered Jul 11, 2021 at 1:48

6 votes

Mathematical proof or any reference of "Deterministic random bit generator cannot produce more randomness than the randomness of seed"

answered Mar 11, 2020 at 16:00

6 votes

security parameter in lattice cryptography

answered Mar 31, 2020 at 8:06

6 votes

Is finding an encryption (or hash) algorithm science, or is it art?

answered Feb 11 at 4:23

6 votes

The successive minima of a lattice

answered Feb 13 at 18:06

6 votes

Could tropical cryptography become another candidate for post-quantum cryptography?

answered Aug 23 at 21:27

5 votes

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confusion about the meaning of reduction

answered May 17 at 20:00

5 votes

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How to decide if an element is a public key in NTRU encryption scheme?

answered Oct 4, 2021 at 22:43

5 votes

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LWE and pseudorandom functions

answered Dec 7, 2021 at 22:50

Stack Exchange Network

324 Answers

Encryption that purposefully take hours to decrypt

How can I force slow decryption in the browser?

Why are finite fields so important in cryptography?

Meaning of "Security can be reduced to a problem"

What are the drawbacks of "lightweight crypto"?

Current Consensus on Security of Lattice Based Cryptography?

Why was the term "discrete" used in discrete logarithm?

Why is lattice-based cryptography believed to be hard against quantum computer?

Clarification of the provable cryptography controversies

Are there prime numbers that are easy to modulo within 40 bits to 60 bits?

Notion of elementary operation when complexities in the form of $2^{128}$

Why do Problems for Post-Quantum algorithms have to be NP-Hard?

Why Elliptic Curve Cryptography protocols depend on fixed curves?

Make a Strong, Easy-to-Remember Password Using Classical Cryptography?

If OWF were to exist, do we know for sure that one of the candidate OWF would indeed be a OWF?

What does the work "An Efficient Quantum Algorithm for Lattice Problems Achieving Subexponential Approximation Factor" mean?

How is R-LWE related to lattice cryptography and homomorphic encryption?

Bits of entropy needed to choose a random element from a list?

Can combining two secure block ciphers be insecure?

Differential privacy guarantees of Gaussian noise, when each coordinate has different sensitivity

Why I can't permutate an email and get away with it?

When is a large semiprime possible to factor?

Mathematical proof or any reference of "Deterministic random bit generator cannot produce more randomness than the randomness of seed"

security parameter in lattice cryptography

Is finding an encryption (or hash) algorithm science, or is it art?

The successive minima of a lattice

Could tropical cryptography become another candidate for post-quantum cryptography?

confusion about the meaning of reduction

How to decide if an element is a public key in NTRU encryption scheme?

LWE and pseudorandom functions