Cryptography

Enlightened

 Enlightened
First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.

earned this badge 53 times.
Does the order of validations and MAC with clear text matter?
Awarded May 2 at 19:36
What is the recommended minimum key length for ECDSA signature
Awarded Apr 15 at 10:51
Why is Threefish not widely used?
Awarded Mar 18 at 4:40
CKM_RSA_PKCS vs CKM_RSA_X_509 mechanisms in PKCS#11
Awarded Feb 10 at 14:33
TLS 1.2 is still secure or should we move to TLS 1.3?
Awarded Jul 10, 2022 at 8:47
Use Initialization Vector as Additional Authenticated Data
Awarded Mar 6, 2022 at 2:41
What is wrong with XOR encryption with secure PRNG?
Awarded Jan 8, 2022 at 18:18
Encryption of big files in Java with AES/GCM
Awarded Oct 3, 2021 at 22:01
Benefits of functional programming languages
Awarded May 22, 2021 at 11:17
Is SHA-1 secure when used to implement a PRNG
Awarded Apr 12, 2021 at 3:57
What is different below two Ciphersuites?
Awarded Mar 18, 2021 at 17:21
Should I be using PKCS1 v1.5 or PSS for RSA signatures?
Awarded Mar 17, 2021 at 23:09
What is Deterministic Authenticated Encryption?
Awarded Jan 28, 2021 at 7:55
Why are RSA ciphertexts different for the same plaintext?
Awarded Jan 21, 2021 at 21:05
How much safer is RSA-OAEP compared to RSA with PKCS#1 v1.5 padding?
Awarded Nov 27, 2020 at 17:50
HMAC-SHA256 vs HMAC-SHA512 for JWT API authentication
Awarded Sep 21, 2020 at 8:40
Benchmark differences between SHA-512 and bcrypt
Awarded Jun 4, 2020 at 15:26
How many codes can I safely generate using the same HMAC key?
Awarded Mar 13, 2020 at 22:00
What's the difference between PBKDF and SHA and why use them together?
Awarded Mar 3, 2020 at 9:35
How hard is it to guess a 8 digit PIN?
Awarded Jan 16, 2020 at 18:45
Is openssl rand command cryptographically secure?
Awarded Jan 15, 2020 at 17:20
Is using RSA with SHA-1 considered as secure as HMAC-SHA-1?
Awarded Dec 6, 2019 at 12:45
Why does AES-GCM need a hash/MAC in TLS?
Awarded Nov 29, 2019 at 7:55
Building a combined encryption scheme from two encryption schemes that's secure if at least on of them is secure
Awarded Oct 29, 2019 at 8:40
Post Quantum Symmetric Cryptography
Awarded Oct 22, 2019 at 11:10
Which of these 3 AES 128 symmetric encrypt/decrypt routines is most secure?
Awarded Oct 1, 2019 at 12:25
Is deriving the IV from the password secure?
Awarded Sep 2, 2019 at 17:55
How many bits in the resultant hash will change, if the x bits are changed in its the original input?
Awarded Jul 17, 2019 at 11:40
Does the size of a ECDSA key determine the hash algorithm?
Awarded May 27, 2019 at 19:50
CBC-Mode Infinite Garble Extension
Awarded May 1, 2019 at 12:45
Why did TLS 1.3 prohibit PGP authentication?
Awarded Nov 15, 2018 at 0:15
AES-GCM recommended IV size: Why 12 bytes?
Awarded Oct 29, 2018 at 17:00
Purpose of DES parity bits
Awarded Oct 6, 2018 at 10:45
What is a ratchet?
Awarded Sep 11, 2018 at 19:50
How can I securely encrypt the same message multiple times?
Awarded Aug 2, 2018 at 20:20
What password hash function for the next 50 years?
Awarded Jul 24, 2018 at 23:30
ECDH or RSA more secure for symmetric key wrapping?
Awarded May 7, 2018 at 18:05
Where is the authentication tag stored in file encrypted using AES-GCM?
Awarded Feb 9, 2018 at 10:07
Encryption algorithm used in WPA/WPA2
Awarded Dec 4, 2017 at 2:27
Reusing keys with AES-CBC
Awarded Dec 1, 2017 at 13:13
What are the differences between .pem, .csr, .key, .crt and other such file extensions?
Awarded Nov 4, 2017 at 17:48
Is it safe to use PBEWithMD5AndDES?
Awarded Jul 24, 2017 at 23:54
Are one-time pads crackable in theory?
Awarded Jun 12, 2017 at 19:12
Is a password cyphered by itself as secure as hash?
Awarded May 29, 2017 at 2:22
Ciphertext and tag size and IV transmission with AES in GCM mode
Awarded May 3, 2017 at 6:54
Why do key fobs/garage doors openers use rolling codes instead of PGP or SSL encryption?
Awarded Jan 3, 2017 at 20:59
Can I use MAC as CTR mode nonce, if my messages are non-repeating?
Awarded Dec 17, 2016 at 23:33
Do all ciphers have equivalent decryption keys?
Awarded Jul 3, 2016 at 2:22
Do key collisions for symmetric ciphers exist?
Awarded Jun 6, 2016 at 23:13
Why can't we use the first block of AES-CBC as MAC
Awarded Apr 16, 2016 at 22:16
The difference between MAC algorithms and what to use
Awarded Apr 12, 2016 at 2:42
On AES, is a true random string enough for a key?
Awarded Dec 14, 2015 at 21:06
Practical brute-force attack on 128 bit encryption
Awarded Mar 28, 2015 at 1:59

Others with this badge

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.