Latest revision as of 00:24, 20 January 2026

Round key

One of the \(Nr+1\) arrays of four words that are derived from the block cipher key using the key expansion routine; each round key is an input to an instance of ADDROUNDKEY() in the AES block cipher.

Source: FIPS 197 | Category:

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	{{CyberTerm\|definition=One of the ~~<span class="math-tex">~~\(Nr+1\)~~</span>~~ arrays of four words that are derived from the block cipher key using the key expansion routine; each round key is an input to an instance of ADDROUNDKEY() in the AES block cipher.\|source=FIPS 197}}		{{CyberTerm\|definition=One of the \(Nr+1\) arrays of four words that are derived from the block cipher key using the key expansion routine; each round key is an input to an instance of ADDROUNDKEY() in the AES block cipher.\|source=FIPS 197}}