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dido:public:ra:xapend:xapend.a_glossary:m:meet-in-the-middle_attack [2021/08/05 12:51] murphy |
dido:public:ra:xapend:xapend.a_glossary:m:meet-in-the-middle_attack [2021/10/04 13:40] (current) 50.19.247.197 ↷ Links adapted because of a move operation |
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| ===== Meet-in-the-Middle Attack ===== | ===== Meet-in-the-Middle Attack ===== | ||
| - | [[dido:public:ra:xapend:xapend.a_glossary| Return to Glossary ]] | + | [[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]] |
| - | **Meet-in-the-Middle Attack** is a known-plaintext attack that can greatly reduce the number of brute-force permutations required to decrypt text that has been encrypted by more than one key. Such an attack makes it much easier for an intruder to gain access to data. | + | **Meet-in-the-Middle Attack** is a known-plaintext attack that can greatly reduce the number of brute-force permutations required to decrypt text that has been encrypted by more than one [[dido:public:ra:xapend:xapend.a_glossary:k:key|key]]. Such an attack makes it much easier for an intruder to gain access to data. |
| A meet-in-the-middle attack targets block [[dido:public:ra:xapend:xapend.a_glossary:c:cipher|cipher]] cryptographic functions. The intruder applies brute-force techniques to both the plaintext, which is ordinary text before it is encrypted, and the ciphertext, or encrypted text that has been transformed from plaintext, of a block cipher. | A meet-in-the-middle attack targets block [[dido:public:ra:xapend:xapend.a_glossary:c:cipher|cipher]] cryptographic functions. The intruder applies brute-force techniques to both the plaintext, which is ordinary text before it is encrypted, and the ciphertext, or encrypted text that has been transformed from plaintext, of a block cipher. | ||