Notation

Notation

Meaning

K+A

K-A

Public key of entity A

Private key of entity A

K+A(X)

Encrypt object X with A’s public key

K-A(X)

Encrypt object X with A’s private key

h(X)

Apply a one-way hash function to object X

SigA(X)

Signature of entity A on X, i.e., K-A( h(X) )

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