Apr 17, 2013 · You should use the EVP_* functions to encrypt and decrypt. See EVP Symmetric Encryption and Decryption on the OpenSSL wiki. In fact, you should probably be using …

Sep 17, 2011 · Choosing between symmetric and asymmetric encryption depends on the use case. Symmetric encryption is used when a * small group of users need access to the …

Jun 13, 2016 · The best answer is that it does both. TLS uses asymmetric encryption to first establish the identity of one or both parties. Secondly, it uses asymmetric encryption to …

Aug 28, 2013 · You can't take a digest and recover the original document. AES, the Advanced Encryption Standard is a symmetric block algorithm. This means that it takes 16 byte blocks …

Nov 4, 2016 · I am after a symmetric encryption/decryption routine in C#. I know there have been a few questions on this topic before, but most of the answers seem to be about the philosophy …

I have a web application that uses a symmetric encryption algorithm. How would you store the secret key and initialization vector? Storing as a literal in the code seems like a bad idea. How …

Jan 29, 2012 · AES algorithm requires two different parameters for encryption, a key and an initialization vector (IV). I see three choices for creating the key file: Embed hard-coded IV …

4 Practical PKI-based encryption systems use asymmetric encryption to encrypt a symmetric key, and then symmetric encryption with that key to encrypt the data (having said that, someone …

Mar 30, 2013 · 3 AES is a symmetric-key algorithm. RSA is asymmetric. While the both are for encryption, they are often used in different ways, so it is difficult to compare them in terms of …

Store the symmetric key in the registry or a file or the database, split the key and store parts in multiple places for added protection do not decrypt the data unless it is really needed, i.e. not …