original: the shared secret is either shared beforehand between the communicating parties , in which case it can also be called a pre-shared key .
simplifications: a pre-shared key is a shared secret which is shared beforehand between the communicating parties . the shared secret is either shared beforehand between the communicating parties , also known as a pre-shared key the shared secret is shared beforehand among the communicating parties , in which case can also be refered to as a pre-shared key . the shared secret is either shared before between the two groups , in which case it can also be called a pre-shared key . the shared secret is either shared beforehand between the communicating parties , in which case it can also be called a pre-shared key . the shared secret can be shared beforehand , in which case it can be called a pre-shared key . a shared secret , also called a pre-shared key , is told before hand between parties . the shared secret is either shared beforehand between the communicating parties , in which case it can also be called a pre-shared key .