# Generate Random Aes 256 Key Java

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## Implementation for php 7.x was added

As you see this implementation is using openssl instead of mcrypt and the result of the *encryption*/*decryption * is not compatible with each other.

The mcrypt function will be deprecated feature in PHP 7.1.x

## What is *AES encryption*?

It is a webtool to encrypt and decrypt text using *AES encryption* algorithm. You can chose 128, 192 or 256-bit long key size for encryption and decryption. The result of the process is downloadable in a text file.

## How to use *AES encryption*?

If you want to encrypt a text put it in the white textarea above, set the key of the encryption then push the *Encrypt* button.

The result of the *encryption* will appear in base64 encoded to prevent character encoding problems.

If you want to decrypt a text be sure it is in base64 encoded and is encrypted with *AES* algorithm!

Put the encrypted text in the white textarea, set the key and push the *Decrypt* button.

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## When is helpful to use *AES encryption*?

Net protector key generator free download. When you want to encrypt a confidential text into a decryptable format, for example when you need to send sensitive data in e-mail.

The decryption of the encrypted text it is possible only if you know the right password.

## What is *AES encryption*?

AES (acronym of Advanced Encryption Standard) is a symmetric encryption algorithm.

The algorithm was developed by two Belgian cryptographer Joan Daemen and Vincent Rijmen.

AES was designed to be efficient in both hardware and software, and supports a block length of 128 bits and key lengths of 128, 192, and 256 bits.

### Java Aes 256 Example

## How secure is *AES encryption* algorithm?

### Generate Random Aes 256 Key Java Free

// It should typically be random data, or bytes that resemble random data such // as the hash of a password. // The number of bytes in the secret key defines the bit-strength of an encryption // algorithm. For example, AES with a 32-byte key is 256-bit AES. Most algorithms // define restrictions on key sizes. AES Key generator: Advanced Encryption Standard « Security « Java Tutorial. AES Key generator: Advanced Encryption Standard « Security « Java Tutorial.

### Generate Aes 256 Key Java

*AES encryption* is used by U.S. for securing sensitive but unclassified material, so we can say it is enough secure.