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Top Questions

0 votes
1 answer
12 views

Paillier's paper, can't find subgroup of order φ(n)

0 votes
0 answers
17 views

Comparing quantum computing ressources to break the DLP on elliptic curve group vs Schnorr group

0 votes
0 answers
38 views

Help to identify encryption algorithm [closed]

0 votes
0 answers
15 views

Special PoK verifying signature of a hidden message

0 votes
0 answers
27 views

Bitstream Manipulation

0 votes
0 answers
20 views

Is the CFB mode of Encryption related-key secure

0 votes
0 answers
30 views

prove equivilance of definitions of statistical distance

0 votes
2 answers
357 views

Sha256: Any significance in being able to find message schedules that lead from different initial hash values but produce the same hash?

3 votes
1 answer
106 views

Forgeable and unconfidential short-term signature

2 votes
0 answers
40 views

Efficient NOT in set proof?

1 vote
1 answer
38 views

Question of section 1.3 Intuition for Aborting in "Fiat-Shamir With Aborts: Applications to Lattice and Factoring-Based Signatures"

0 votes
0 answers
20 views

Correlation power analysis of AES hardware implementation

-2 votes
0 answers
34 views

Is this hash safe for storing passwords? [closed]

1 vote
1 answer
58 views

What is the XOR count of AES MixColumn matrix?

0 votes
0 answers
25 views

What logarithm does the "discrete logarithm problem" refer to in the context of ECC? [duplicate]

2 votes
0 answers
72 views

How to prove the conclusion " linear operation XOR does not affect the division property"?

0 votes
0 answers
35 views

Parallel block cipher in CTR mode and variable number of threads: how to deal with internal state and permit decryption?

2 votes
1 answer
169 views

Question about P and NP problem

4 votes
1 answer
673 views

Minimal Assumptions in Cryptography

1 vote
0 answers
38 views

How to choose the distribution of error and secret vectors in LWE-based KEMs

1 vote
0 answers
25 views

is there any Openssl 3.x API for enabling and disabling FIPS mode?

0 votes
1 answer
33 views

E-voting using Paillier encryption scheme: security risks

2 votes
3 answers
131 views

How to make a function which produces a hash of variable length?

4 votes
2 answers
200 views

Why is the sum of hashes not a proper homomorphic hash function?

1 vote
1 answer
100 views

Could this method allow two people using weak cryptography to bootstrap their way to unbreakable cryptography (e.g. otp)

-1 votes
0 answers
27 views

First Round of the AES Encryption Process [closed]

2 votes
1 answer
76 views

Why is the ciphertext output 32 bytes long when i encrypt a 16 bytes long plaintext by using AES-128-CBC

1 vote
1 answer
47 views

Does a hierarchical key derivation exist? where child keys can decrypt values encrypted by descendants but not vice versa?

1 vote
1 answer
134 views

Weakness when encrypting using RSA private key?

0 votes
0 answers
40 views

Questions about groth16 paper "On the Size of Pairing-based Non-interactive Arguments"

1 vote
1 answer
103 views

Can the RSA public key be used for both encryption and decryption?

0 votes
0 answers
44 views

How to find openSSL's AES T-table location for cache side channel attack

1 vote
1 answer
70 views

Secp256k1 giving y-value for inverse of point

2 votes
1 answer
95 views

Can the Threefish tweak block cipher have its fixed 128 bit tweak size extended to match the block size (256/512/1024)

2 votes
3 answers
160 views

How to anonymously vote?

0 votes
1 answer
63 views

Symmetric encryption with compromised key but partially compromised message

1 vote
1 answer
43 views

Is there a 4 by 4 NMDS matrix which is better than M= [[0,1,1,1], [1,0,1,1], [1,1,0,1], [1,1,1,0]] used in MIDORI?

1 vote
0 answers
36 views

In Kerberos, is the "Authentication Server" the only "Trusted Third Party"? Or is "Ticket Granting Server" also a "Trusted Third Party"?

0 votes
0 answers
14 views

CMPv2 Design and Implementation

2 votes
2 answers
152 views

Lemma 5 in Matsui's Paper about Linear Cryptanalysis

1 vote
2 answers
87 views

Why does HMAC-SHA1-96 need to pad message to a multiple of 160 bits?

0 votes
1 answer
35 views

Can Batch Encode and Bootstrapping Be Used Together

2 votes
2 answers
285 views

The post-quantum public keys are long. Is it secure to map sha512 to a public key?

0 votes
0 answers
24 views

Questions about aggregate encryption local decryption

5 votes
1 answer
198 views

Making signature immune to Colliding Signatures and other threats

0 votes
0 answers
16 views

Safety per bit DHKA and ECDH

2 votes
1 answer
59 views

Which was the first cipher that used the Maximum distance separable (MDS) matrix?

0 votes
1 answer
43 views

Restructure PGP Keys


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