HMAC(K,C) = SHA1(K ⊕ 0x5c5c… ∥ SHA1(K ⊕ 0x3636… ∥ C))
The basic idea I get and I'm thinking ⊕ means some thing like plus. What are the two vertical line. (K is a pre-defined but arbitrary value and C is a counter.)
HMAC(K,C) = SHA1(K ⊕ 0x5c5c… ∥ SHA1(K ⊕ 0x3636… ∥ C))
The basic idea I get and I'm thinking ⊕ means some thing like plus. What are the two vertical line. (K is a pre-defined but arbitrary value and C is a counter.)