User Maarten Bodewes

2 votes

Accepted

Safety of using non-encrypted hashes to identify encrypted data in a key-value store

answered yesterday

5 votes

In RFC 2313 (PKCS1/RSA) said you could recreate the Private key from 'n' and 'd', which later versions removed. Why?

answered yesterday

2 votes

Accepted

Is KangarooTwelve hash function suitable for generating very large key material as Shake-256 is?

answered Dec 2 at 4:14

1 vote

Accepted

Is it safe to derive a Falcon512 key pair from a XOF output?

answered Nov 26 at 4:18

1 vote

Is there a strong cryptographic reason for GCM's 2^39 - 256 bit limit, why Not 2^39

answered Nov 22 at 21:19

1 vote

Why cant you use randomness to seed more randomness?

answered Nov 21 at 10:17

3 votes

RSA/ ECC keygen HW vs SW

answered Nov 11 at 3:49

7 votes

Diffie-Hellman algorithm and MITM attack

answered Aug 17, 2019 at 9:39

2 votes

Advantages of AES vs XOR on a plain text file

answered Nov 5 at 23:46

2 votes

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Password Manager Architecture and Design

answered Nov 3 at 13:02

1 vote

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Is the Bit Flipping attack on CBC mode possible if the IV is not know to the attacker?

answered Nov 2 at 15:21

5 votes

How secure is the password from the hash sum (SHA-512) of a long sentence

answered Oct 25 at 18:09

2 votes

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Difference between PRF, Pseudorandom Function and Pseudorandom Function Family

answered Oct 24 at 22:27

5 votes

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Is there any way to measure entropy of encryption algorithms in python?

answered Oct 22 at 3:17

1 vote

Is it possible to use two different engine to encrypt/decrypt data with AES GCM?

answered Oct 15 at 1:12

0 votes

Does sending encrypted hash inside message compromise security

answered Oct 14 at 19:22

2 votes

Accepted

Operands size in RSA Cryptography (C language)

answered Oct 12 at 9:01

0 votes

Group secret agreement for clients do not have connection to each other

answered Sep 24 at 10:38

2 votes

Can I update sha-256 digest chunk-wise instead of the whole array at once?

answered Jun 12, 2018 at 20:42

7 votes

Accepted

Convert plain text as numbers to encrypt using RSA

answered Dec 16, 2016 at 14:47

2 votes

How large should a seed possibility space be to generate a secure ECDSA key pair?

answered Sep 8 at 12:35

1 vote

Accepted

Constantly changing encryption for transferring data

answered Sep 2 at 10:32

1 vote

Why does ECIES use "Key Encapsulation"? Does it?

answered Sep 2 at 9:37

4 votes

How to generate n unique numbers from the output of a hash function?

answered Aug 31 at 11:55

2 votes

Are TRNGs used in low power devices? Why?

answered Aug 24 at 21:02

2 votes

Accepted

What's the best encryption algorithm for storing files on a server?

answered Aug 21 at 22:44

1 vote

Accepted

How to get the rest of 10 bytes (from total 32 bytes plaintext) of plaintext from a 48 byte ciphertext using AES-128 when knowing 22B of plaintext?

answered Aug 19 at 19:31

1 vote

How strong should my password manager's master password be?

answered Aug 19 at 20:59

5 votes

Accepted

What is the difference between a seeded RNG and an XOF hash?

answered Aug 15 at 22:27

1 vote

Safe to use a BCrypt hash directly as a key to HMAC-SHA256?

answered Aug 11 at 7:01

Stack Exchange Network

1,952 Answers

Safety of using non-encrypted hashes to identify encrypted data in a key-value store

In RFC 2313 (PKCS1/RSA) said you could recreate the Private key from 'n' and 'd', which later versions removed. Why?

Is KangarooTwelve hash function suitable for generating very large key material as Shake-256 is?

Is it safe to derive a Falcon512 key pair from a XOF output?

Is there a strong cryptographic reason for GCM's 2^39 - 256 bit limit, why Not 2^39

Why cant you use randomness to seed more randomness?

RSA/ ECC keygen HW vs SW

Diffie-Hellman algorithm and MITM attack

Advantages of AES vs XOR on a plain text file

Password Manager Architecture and Design

Is the Bit Flipping attack on CBC mode possible if the IV is not know to the attacker?

How secure is the password from the hash sum (SHA-512) of a long sentence

Difference between PRF, Pseudorandom Function and Pseudorandom Function Family

Is there any way to measure entropy of encryption algorithms in python?

Is it possible to use two different engine to encrypt/decrypt data with AES GCM?

Does sending encrypted hash inside message compromise security

Operands size in RSA Cryptography (C language)

Group secret agreement for clients do not have connection to each other

Can I update sha-256 digest chunk-wise instead of the whole array at once?

Convert plain text as numbers to encrypt using RSA

How large should a seed possibility space be to generate a secure ECDSA key pair?

Constantly changing encryption for transferring data

Why does ECIES use "Key Encapsulation"? Does it?

How to generate n unique numbers from the output of a hash function?

Are TRNGs used in low power devices? Why?

What's the best encryption algorithm for storing files on a server?

How to get the rest of 10 bytes (from total 32 bytes plaintext) of plaintext from a 48 byte ciphertext using AES-128 when knowing 22B of plaintext?

How strong should my password manager's master password be?

What is the difference between a seeded RNG and an XOF hash?

Safe to use a BCrypt hash directly as a key to HMAC-SHA256?