February 5, 2002
Practical Aspects of Modern Cryptography
34
Defeating Mallet
nBob can convince Alice that his
key really does belong to him if he can also send along a digital
certificate Alice will believe & trust
Bob
Alice
Let’s talk securely.
Here are the protocols
and ciphers I understand.
I choose this protocol
and ciphers.
Here is my public key and
a certificate to convince you that the
key really belongs to me.
a certificate to convince you that the
key really belongs to me.
Cert
Cert