15.
AES Encryption Decryption M E C KU a E KUa (M)= M e (mod n) D KR a D KRa (C)= C d (mod n) M n = pq d*e = 1 (mod ø(n)) Private key KRa = (d, n) Public key KUa = (e, n)
Establish multiple session keys, such as ESP SA, AH SA, …
38.
IKE phase 1—main mode Alice Bob Crypto suites I support Crypto suite I choose g a mod p g b mod p g ab mod p{“Alice”, proof I am Alice} g ab mod p{“Bob”, proof I am Bob}
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