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Graphics Interchange Format  |  1998-02-10  |  49KB  |  409x360  |  4-bit (16 colors)
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OCR: KEY RELATIONS Shared Shared secret secret Sensitive information Encrypt Untrusted Decrypt Sensitive media mformaghon (deartext) (aphertext) (deartext); Figure 1: The relationship between cleartext and ciphertext is shown. The cleartext block wirst be smaller than the key length. The ciphertext block is the length of the key.