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message error detection code (MDC)

Message Error Detection (MDC) is a checksum technique used to determine data integrity. The procedure is more complex than the detection of data transmission errors, since a possible attacker would have to change the message and the checksum at the same time, or exchange a message for another message that results in the same checksum.

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Englisch: message error detection code - MDC
Updated at: 27.06.2008
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