Collaborate Disseminate
I am trying to correct weak encryption in TLS, by doing a test in SSL Labs, it throws weak encryption in the following chpher suite:
Current Configuration:
SSLCipherSuite HIGH:!MEDIUM:!LOW:!aNULL:!eNULL:!AES128:!SHA1
Cipher Suite TLS … Continue reading Cipher Suite TLS 1.2 – Weak in OHS
It looks like I am having a terminology issue here. In cryptography, we have stream ciphers and block ciphers. I understand their difference. We also have cryptographic algorithms like AES (Rijndael).
My confusion point is h… Continue reading How are ciphers related to cryptographic algorithms like DES or AES?
First, I may be asking a dumb question. I am trying to learn, so please, take it easy on me.
Second, if this is not the right place for this question, or you can link me elsewhere, please tell me/ do so.
Third, I appreciat… Continue reading Why would TLSv1.0 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA still be used?
If the plaintext is made of both letters (a to z) and digits (0 to 9), how do you find the key domain of the multiplication cipher?
Continue reading How do you find the key domain of the multiplication cipher efficiently?
I have been lately reading cipher suites and how it works. I figured how it works in the web servers and there is a doubt regarding the prefixes used in the order.
How are RC4-SHA and RC4+SHA different?
Can anyone give a be… Continue reading Understanding Cipher suite prefixes
On reading the documentation Apache documentation. A cipher suite example has been given :
RC4-SHA:AES128-SHA:HIGH:MEDIUM:!aNULL:!MD5
I have understood the explanation given by them. My question is whether it decides the … Continue reading Understanding SSL Cipher suite in Apache
Veracrypt offers cascades of ciphers.
Are these cascades (at least those comprised of two ciphers) susceptible to the meet-in-the-middle attack? Why not?
For example:
AES-Twofish
Two ciphers in a cascade operating … Continue reading Are the cascading ciphers in Veracrypt susceptible to the meet-in-the-middle attack? (MITM)
Assuming the following structure of a fixed size plaintext message:
16 bytes random nonce
1 byte data length
1 – 32 bytes payload data
1 byte data length
1 – 32 bytes payload data
1 byte payload data
padding to make whole m… Continue reading AES CBC with 0 IV, but random first plaintext block [on hold]
Suppose the compression function f is given as below, where B is a block cipher which takes key K and plaintext M and outputs ciphertext C. Show that f is not collision-resistant.
I started as follows: take a random m1 and I… Continue reading Show that the function f is not collision resistant [migrated]
I have disabled 3DES in registry. Port 3389 is successfully disable 3DES (TLS_RSA_WITH_3DES_EDE_CBC_SHA).
However, 3DES ciphers are still occur in port 443. What should be done to remove 3DES ciphers in port 443?
Thank you… Continue reading Unable to disable 3DES cipher in port 443