12/26/2020 Generate A Aes256 Symmetric Key
I had Java Code which generate key AES256 Bit key, have to implement same Code in .Net
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Here is my sample java
Generate A Aes 256 Symmetric Key System
Symmetric keys don't need to be in any particular format - they're just a sequence of (pseudo)random bits. Most programming environments provide some sort of 'secure random' mechanism (a CSPRNG).You can use this to acquire a byte array of the appropriate length (e.g. 32 bytes for AES256), which can be used as a key. Symmetric Ciphers Online allows you to encrypt or decrypt arbitrary message using several well known symmetric encryption algorithms such as AES, 3DES, or BLOWFISH. Symmetric ciphers use the same (or very similar from the algorithmic point of view) keys for both encryption and decryption of a message.
Above code generate key is “MnRpUVZmT3p5bG94R1RHYklMYU5Qdz09LDRZTUVQVlZWMHd0T2k3VGxEci9pejlBT3QvY215TFVNcFZ5ei93YnFuZk09”
I am getting key AES256 key from above code,which i had to convert it into bytes and pass at “skey” parameter in below function,but during execution of gcmb.Init(cipherOperation, ObjAeadParameters) i am getting error “invalid parameters passed to GCM”.
GCM Block Cipher Encryption
Generate Aes-256 Key
Answers:
Generate Aes Symmetric Key
Tags: .net
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