User poncho

2 votes

Find IV and the key ? AES with CFB or OFB

answered Jul 6, 2020 at 14:02

3 votes

Find IV and the key ? AES with CFB or OFB

answered Jul 6, 2020 at 12:54

2 votes

Accepted

Why blinding integer $r$ needs to be co-prime with $N$ in blind RSA signature

answered Jul 5, 2020 at 21:46

3 votes

Accepted

Are skeleton keys possible for ECCDSA?

answered Jul 4, 2020 at 16:01

4 votes

Is possible that find numbers where the product of 3 numbers is congruent modulo to 1?

answered Jul 3, 2020 at 15:48

3 votes

Is 50% of bits changed in every round always gives 50% of changed bits in the end?

answered Jul 3, 2020 at 15:43

5 votes

Accepted

Why discrete logarithm modulo composite moduli not popular and not defined in standards?

answered Jul 3, 2020 at 13:40

4 votes

Bilinear Map over group of unknown order

answered Jul 2, 2020 at 17:07

3 votes

Accepted

Why do we add error in the definition of LWE?

answered Jul 2, 2020 at 12:09

2 votes

Accepted

Hash into elliptic curves for private set intersection

answered Jul 2, 2020 at 11:49

1 vote

How to find m so that RSA cipher end with '\x00'+SpesificString , if we freely input the plaintext?

answered Jul 1, 2020 at 18:37

2 votes

How do I encrypt a long message using ElGamal encryption correctly?

answered Jun 30, 2020 at 16:48

4 votes

Accepted

Is storing salts encrypted a good idea?

answered Jun 29, 2020 at 16:28

2 votes

Accepted

Montgomery Multiplication with CRT

answered Jun 28, 2020 at 19:31

2 votes

Accepted

Brute Force on Curve25519

answered Jun 27, 2020 at 13:21

4 votes

Padding of SHA-3

answered Jun 26, 2020 at 15:55

2 votes

Accepted

Is AES S-Box resistant to side-channel attacks?

answered Jun 25, 2020 at 14:06

3 votes

Calculate share for a specific value of $x$ in Shamir's Secret Sharing scheme

answered Jun 22, 2020 at 12:27

2 votes

Accepted

If $((p-1)(q-1) -1)$ divisible by $e$ ($e$ is odd number) , then $\text{gcd}(e,(p-1)(q-1)) = 1$

answered Jun 20, 2020 at 21:58

5 votes

Accepted

What is the exact meaning of the public key cryptosystem properties in New Directions In Cryptography by Diffie and Hellman

answered Jun 18, 2020 at 17:27

0 votes

Accepted

OTP Scheme where only one party can generate the OTP, but both parties can verify it's validity

answered Jun 16, 2020 at 14:15

4 votes

Are My Answers to This Hash Question Correct?

answered Jun 14, 2020 at 11:58

3 votes

Accepted

Why does the verifier have to send a challenge in Shnorr protocol?

answered Jun 13, 2020 at 21:35

3 votes

In a secret image sharing scheme, what are the advantages of Galois field $\mathrm{GF}(p^m)$ over finite field $ F_p$?

answered Jun 13, 2020 at 16:34

0 votes

Asymmetric encryption that preserves the plaintext size

answered Jun 12, 2020 at 16:17

1 vote

Hard-core bits from RSA assumption

answered Jun 10, 2020 at 21:32

9 votes

How to encrypt with elliptic curve cryptography (ECC)?

answered Jun 10, 2020 at 14:05

3 votes

Question of proving the opening of Pedersen Commitment

answered Jun 9, 2020 at 15:11

2 votes

Accepted

Do all forms of symmetric encryption require multiple pieces of information? (nonce, iv, etc)

answered Jun 7, 2020 at 2:58

1 vote

Accepted

Which hash algorithms are suitable for use with Elliptic-curve cryptography

answered Jun 6, 2020 at 13:34

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2,772 Answers

Find IV and the key ? AES with CFB or OFB

Find IV and the key ? AES with CFB or OFB

Why blinding integer $r$ needs to be co-prime with $N$ in blind RSA signature

Are skeleton keys possible for ECCDSA?

Is possible that find numbers where the product of 3 numbers is congruent modulo to 1?

Is 50% of bits changed in every round always gives 50% of changed bits in the end?

Why discrete logarithm modulo composite moduli not popular and not defined in standards?

Bilinear Map over group of unknown order

Why do we add error in the definition of LWE?

Hash into elliptic curves for private set intersection

How to find m so that RSA cipher end with '\x00'+SpesificString , if we freely input the plaintext?

How do I encrypt a long message using ElGamal encryption correctly?

Is storing salts encrypted a good idea?

Montgomery Multiplication with CRT

Brute Force on Curve25519

Padding of SHA-3

Is AES S-Box resistant to side-channel attacks?

Calculate share for a specific value of $x$ in Shamir's Secret Sharing scheme

If $((p-1)(q-1) -1)$ divisible by $e$ ($e$ is odd number) , then $\text{gcd}(e,(p-1)(q-1)) = 1$

What is the exact meaning of the public key cryptosystem properties in New Directions In Cryptography by Diffie and Hellman

OTP Scheme where only one party can generate the OTP, but both parties can verify it's validity

Are My Answers to This Hash Question Correct?

Why does the verifier have to send a challenge in Shnorr protocol?

In a secret image sharing scheme, what are the advantages of Galois field $\mathrm{GF}(p^m)$ over finite field $ F_p$?

Asymmetric encryption that preserves the plaintext size

Hard-core bits from RSA assumption

How to encrypt with elliptic curve cryptography (ECC)?

Question of proving the opening of Pedersen Commitment

Do all forms of symmetric encryption require multiple pieces of information? (nonce, iv, etc)

Which hash algorithms are suitable for use with Elliptic-curve cryptography