How secure is AES-256? - Cryptography Stack Exchange
Apr 1, 2012 · The cipher AES-256 is used among other places in SSL/TLS across the Internet. It's considered among the top ciphers. In theory it's not crackable since the combinations of keys …
How does AES GCM encryption work - Cryptography Stack Exchange
Jul 21, 2022 · Previously, I used AES CBC 256 with 256 bit key and 128 bit IV. However it seems slow so I decide to switch to AES GCM 256 bit key, 96 bit IV which has some parts I don't …
hash - Why is SHA384 used in TLS cipher suites for AES_256_GCM …
Jan 21, 2022 · The Hash function used by Transcript-Hash and HKDF is the cipher suite hash algorithm. The meaningful explanation is SHA-384 is chosen to have 128-bit collision …
What are the practical differences between 256-bit, 192-bit, and …
Oct 15, 2011 · What are the practical differences between 256-bit, 192-bit, and 128-bit AES encryption? Ask Question Asked 14 years, 5 months ago Modified 8 years ago
AES-256 decryption after key destruction. Possible or not?
Oct 4, 2018 · Can AES-256 be decrypted if after the encryption process you destroy the key that must be used to decrypt the data, is it possible?
Why would I ever use AES-256-CBC if AES-256-GCM is more secure?
Apr 22, 2018 · This would be the same question as "Why would I ever use RC4 and MD5 if AES and SHA-2 are available?" Compatibility and history. (Same with many other cipher choices.) …
What are the chances that AES-256 encryption is cracked?
Apr 13, 2017 · AES-256 is currently labeled as sufficient to use in the US government for the transmission of TOP SECRET/SCI information. That's pretty much the highest classification …
Why use RSA-2048 for plaintext when AES-256 is much more …
Jun 8, 2017 · Why do we use RSA encryption for ANY text/communication/data encryption when everybody on internet is writing that AES-256 is much stronger than RSA-2048? If this is true, …
Is AES-256 a post-quantum secure cipher or not?
Hi and thanks for the update. However, "the limitations of AES are problematic" doesn't answer the question if AES-256 is quantum secure. Please amend or the post may be deleted.
Generate AES-256-GCM key - Information Security Stack Exchange
Nov 6, 2022 · I'm using aes-256-gcm encryption. I used a sample key provided in the docs and it works fine. I also tried a key generated from here and it works fine. There's no option to …