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ENCRYPTION QUESTIONS

Hiding a value in an Android application
Hiding a value in an Android application
With these it helps No matter what method you use to hide a value, he (his phone) has to have enough information to decode and un-hide it or it's not usable. There is no reliable way to prevent him from seeing it if you're allowing a device he contro
TAG : encryption
Date : November 06 2020, 07:00 PM , By : user3857196
How does the receiver of a cipher text know the IV used for encryption?
How does the receiver of a cipher text know the IV used for encryption?
This might help you The answer that you quote is wrong. So don't worry if it does not make sense to you. IVs don't make breaking a ciphertext harder. IVs are ususlly just prepended to the ciphertext and hence known to a potential attacker.The main re
TAG : encryption
Date : October 29 2020, 08:01 PM , By : user3854603
Which Cipher Suites Algorithm Are Supported in Jdk11 and Which One is Best to Use with TLSv1.2
Which Cipher Suites Algorithm Are Supported in Jdk11 and Which One is Best to Use with TLSv1.2
With these it helps For revised Q:Your first link is to (Oracle, and thus OpenJDK) java 7 not 8; there are differences in TLS ciphersuite support between 7 and 8, although not affecting the ciphersuite you name. Your link for 'upto 1.8' is for IBM Ja
TAG : encryption
Date : October 13 2020, 09:00 AM , By : GAmbekar
Code signing of embedded firmware: Is a CRC enough when the firmware is encrypted?
Code signing of embedded firmware: Is a CRC enough when the firmware is encrypted?
it fixes the issue Since the firmware comes encrypted, in my opinion a simple CRC check on the flash content should be sufficient to prove the firmware validity. But I'm no expert for cyber security, so... do I need more?
TAG : encryption
Date : October 11 2020, 10:00 AM , By : Sergey Klementiev
Check if X509Certificate2 will work with http/2 in Google Chrome an Mozilla Firefox
Check if X509Certificate2 will work with http/2 in Google Chrome an Mozilla Firefox
I wish this helpful for you It’s not the certificate it’s the cipher suites.Run your site through this tool: https://www.ssllabs.com/ssltest/ (or download and use https://testssl.sh if not publicly available, internal site) and you’ll see the cipher
TAG : encryption
Date : September 30 2020, 10:00 AM , By : Alejandro Aznar Ferr
How to generate PublicKey for PrivateKey in X25519?
How to generate PublicKey for PrivateKey in X25519?
it should still fix some issue The public key is computed by multiplying the base point by the "clamped" secret scalar and returning the encoded X coordinate.Clamping means masking the 3 least significant bits, masking the top bit, and setting the se
TAG : encryption
Date : September 28 2020, 05:00 AM , By : M. King
Decrypt .enc with .pem openssl
Decrypt .enc with .pem openssl
Does that help We don't know how the file was created or what the contents are. It seems your private key parses correctly, but the modulus has a certain amount of bits, say 2048 bits. That means that raw RSA - modular exponentiation - can only encry
TAG : encryption
Date : September 26 2020, 03:00 AM , By : realing
Can you specify output length of an encrypted string using AES?
Can you specify output length of an encrypted string using AES?
fixed the issue. Will look into that further You're essentially asking for the Pigeonhole Principle to go away (which it won't).I know you say you understand the block size, but it appears that you do not based on the sentence immediately following t
TAG : encryption
Date : September 22 2020, 11:00 AM , By : user6090170
Why is the Keyspace of a Substitution Cipher not 2^26 but 2^88
Why is the Keyspace of a Substitution Cipher not 2^26 but 2^88
seems to work fine Assuming the key length is 26 (which it should be for the alphabet) Why is it not 2^26?
TAG : encryption
Date : September 15 2020, 08:00 AM , By : Mahesh Biyyala
How to double the AES keysize in keepass?
How to double the AES keysize in keepass?
fixed the issue. Will look into that further AES does only supports keysizes of 128, 192 and 256 bits. See WikipediaChanging an AES implementation to use 512bit keys would require some experience in cryptography.
TAG : encryption
Date : September 10 2020, 07:00 AM , By : B.Niras
Is the amount of bytes in a Unicode character always 1-4, or can it be a different length?
Is the amount of bytes in a Unicode character always 1-4, or can it be a different length?
This might help you If your Unicode is 1 to 4 bytes, then I assume you are using UTF-8 encoding; it is certainly common.UTF-8 code points can be 1, 2, 3 or 4 bytes long, with distinct patterns to the bytes to help you recognise them.
TAG : encryption
Date : September 01 2020, 06:00 PM , By : Artyom Chen
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