How to display or view encrypted data in encrypted form?

In the Wikipedia article on Block Encryption Modes , they have a neat little diagram of an unencrypted image, the same image encrypted using ECB mode, and a different version of the same image encrypted in a different way.

UnencryptedECB ModeCbc mode

At the university, I developed my own implementation of DES ( you can find it here ), and we must demonstrate our implementation in a presentation.

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