This command generates a cryptographically strong sequence
of pseudo random numbers.
In order to generate a stream enter the desired stream size
in bytes and press OK. Spaces and commas in the number
field are ignored; you can use them to format long numbers.
The resulting stream will be placed into the clipboard – use
the Paste command to insert it into a stream being edited,
or paste it to another application like Windows Explorer.
Inside the Random Number Generator
The random stream is a sequence of 128-bit blocks. Each block is
produced by encrypting the previous block with the AES cipher. The
initialization vector is used to produce the first block.
This implementation corresponds to the standard OFB (Output Feedback)
encryption mode, that is applying the generated pseudo random stream to
a plaintext will result the AES OFB encryption.
By default the program uses a zero initialization vector, and a random
encryption key produced by hashing the current time and the processor clock
counter values, thus generating different streams on every call.
Specifying Encryption Constants
You can set the initialization vector and the encryption key manually.
You must specify at least the encryption key if you want to be able to
reproduce the same encryption stream.
Enter the initialization vector as a hexadecimal 16 byte long value,
separating bytes with spaces or commas. If you enter a shorter value,
it will padded with zeros. If you enter more than 16 bytes, only the first
sixteen bytes will be used. Enter nothing if you wish to use the default
The are two methods of specifying the encryption key. You can enter
it either directly, or as a text password.
Enter a binary key by specifying up to 32 hexadecimal bytes. A shorter
value will be padded with zeros; a longer value will be truncated.
Enter a password as an arbitrary length text string. The actual 256-bit
key will be produced by hashing the string with the SHA-256 secure hash function.
Note that leaving the input field empty will cause generating a random key.