
c++ - What is the easiest way to initialize a std::vector with ...
Feb 10, 2010 · But you are right that if you want to initialize an empty vector and a non-empty vector you will have to use different constructs. Since C++11 this is a non-issue as you can …
encryption - Why, or when, to use an Initialization Vector ...
This is why you should never reuse the same key with the same initialization vector for stream ciphers (or reuse the same key at all for stream ciphers which don't have an initialization vector).
initialization vector - What is the role of IV in stream ciphers? Why ...
Feb 25, 2018 · I ran into this problem when I read about stream ciphers and did not find a satisfactory answer. Why is an IV needed in stream ciphers, and what is the importance of …
Correct way to initialize std::vector data member - Stack Overflow
If T is a class type, the default constructor is called to provide the initial value for the new object. If T is an array type, every element of the array is default-initialized. Otherwise, nothing is done. …
What size of initialization vector (IV) is needed for AES encryption ...
Aug 12, 2017 · 25 What size of initialization vector (IV) is needed for AES encryption? I am using either CBC or CFB modes. Knowing that AES is a sysmmetrical block-cipher algorithm with a …
initialization vector - What is the main difference between a key, …
What are the main differences between a nonce, a key and an IV? Without any doubt the key should be kept secret. But what about the nonce and the IV? What's the main difference …
initialization vector - How bad it is using the same IV twice with …
30 I understand that initialization vectors (IV) should not be used twice when using AES/GCM. I am using a counter as an initialization vector. Every time I send out a new packet (I am …
Should I use an initialization vector (IV) along with my encryption?
Sep 25, 2013 · Is it recommended that I use an initialization vector to encrypt/decrypt my data? Will it make things more secure? Is it one of those things that need to be evaluated on a case …
Initializing the size of a C++ vector - Stack Overflow
Yes sure there are reasons, if you known the initial state of the vector would be the default initialization, it's better this ways, example you need initialize a vector of 1000 counters …
Secret vs. Non-secret Initialization Vector - Stack Overflow
Apr 26, 2011 · An initialization vector needs not be secret (it is not a key) but it needs not be public either (sender and receiver must know it, but it is not necessary that the Queen of …