Menu
RandomKeygen is a free mobile-friendly tool that offers randomly generated keys and passwords you can use to secure any application, service or device. KEY RandomKeygen - The Secure Password & Keygen Generator.
Instead, you should use a key derivation function to add some entropy and generate a reasonable key. This is exactly what 7zip does (how well it does it and what algorithm it uses I do not know). This ultimately means that the password you use is used to generate an AES key of the right length. Suppose I use a key (and IV) to encrypt a piece of binary data with AES-256-CBC to produce the corresponding encrypted data. Suppose I then throw this encrypted data into HMAC-SHA512 using the same key as above to produce a MAC. I send the encrypted data and the MAC to a recipient. What is AES CBC. AES-CBC (cipher block chaining) mode is one of the most used symmetric encryption algorithms. The data size must be nonzero and multiple of 16 bytes, which is the size of a “block”. The data is split into 16-byte blocks before encryption or decryption is started, then the operation is performed on each of the blocks. How to: Encrypt XML Elements with Asymmetric Keys.; 13 minutes to read +5; In this article. You can use the classes in the System.Security.Cryptography.Xml namespace to encrypt an element within an XML document. XML Encryption is a standard way to exchange or store encrypted XML data, without worrying about the data being easily read.
Symmetic encryption
For symmetic encryption, you can use the following:
To encrypt:
To decrypt:
Asymmetric encryption
For Asymmetric encryption you must first generate your private key and extract the public key.
To encrypt:
To decrypt:
Encripting files
You can't directly encrypt a large file using
rsautl
. Instead, do the following:- Generate a key using
openssl rand
, e.g.openssl rand 32 -out keyfile
. - Encrypt the key file using
openssl rsautl
. - Encrypt the data using
openssl enc
, using the generated key from step 1. - Package the encrypted key file with the encrypted data. The recipient will need to decrypt the key with their private key, then decrypt the data with the resulting key.
Ultimate solution for safe and high secured encode anyone file in OpenSSL and command-line:
Private key generation (encrypted private key):
With unecrypted private key:
With encrypted private key:
With existing encrypted (unecrypted) private key:
Encrypt a file
Encrypt binary file:
Encrypt text file:
What is what:
smime
— ssl command for S/MIME utility (smime(1)).-encrypt
— chosen method for file process.-binary
— use safe file process. Normally the input message is converted to 'canonical' format as required by the S/MIME specification, this switch disable it. It is necessary for all binary files (like a images, sounds, ZIP archives).-aes-256-cbc
— chosen cipher AES in 256 bit for encryption (strong). If not specified 40 bit RC2 is used (very weak). (Supported ciphers).-in plainfile.zip
— input file name.-out encrypted.zip.enc
— output file name.-outform DER
— encode output file as binary. If is not specified, file is encoded by base64 and file size will be increased by 30%.yourSslCertificate.pem
— file name of your certificate's. That should be in PEM format.
That command can very effectively a strongly encrypt any file regardless of its size or format.
Decrypt a file
Decrypt binary file:
For text files:
What is what:
-inform DER
— same as-outform
above.-inkey private.key
— file name of your private key. That should be in PEM format and can be encrypted by password.-passin pass:your_password
— (optional) your password for private key encrypt.
Verification
Creating a signed digest of a file:
Verify a signed digest:
Source
I'm encrypting my file on the command line using:
openssl aes-256-cbc -e -in test.env -out test.env.encrypted
and then trying to decrypt on node.js with:
But i'm getting the following error:
TypeError: Bad input string at Decipher.update (crypto.js:168:26) at decrypt (/Users/h/tmp/encrypt_test/test.coffee:10:18) at Object.<anonymous> (/Users/h/tmp/encrypt_test/test.coffee:16:13) at Object.<anonymous> (/Users/h/tmp/encrypt_test/test.coffee:1:1) at Module._compile (module.js:569:30) at Object.CoffeeScript.run (/usr/local/lib/node_modules/coffeescript/lib/coffeescript/index.js:63:23) at compileScript (/usr/local/lib/node_modules/coffeescript/lib/coffeescript/command.js:265:29) at compilePath (/usr/local/lib/node_modules/coffeescript/lib/coffeescript/command.js:220:14) at Object.exports.run (/usr/local/lib/node_modules/coffeescript/lib/coffeescript/command.js:141:20) at Object.<anonymous> (/usr/local/lib/node_modules/coffeescript/bin/coffee:15:45) at Module._compile (module.js:569:30) at Object.Module._extensions..js (module.js:580:10) at Module.load (module.js:503:32) at tryModuleLoad (module.js:466:12) at Function.Module._load (module.js:458:3) at Function.Module.runMain (module.js:605:10) at startup (bootstrap_node.js:158:16) at bootstrap_node.js:575:3
Key Generator For Games
Aes-256-cbc Key Generator Xml Free
Any ideas?