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TLS-PSK uses symmetric keys, shared in advance among the communicating parties, to establish a TLS connection. There are several reasons to use PSKs: Using pre-shared keys can, depending on the ciphersuite, avoid the need for public key operations. This is useful if TLS is used in performance-constrained environments with limited CPU power.
Bluetooth 1 modulates with Gaussian minimum-shift keying, a binary scheme, so either modulation choice in version 2 will yield a higher data rate. A similar technology, IEEE 802.15.4 (the wireless standard used by Zigbee) also relies on PSK using two frequency bands: 868 MHz and 915 MHz with BPSK and at 2.4 GHz with OQPSK.
802.1X-2001 defines two logical port entities for an authenticated port—the "controlled port" and the "uncontrolled port". The controlled port is manipulated by the 802.1X PAE (Port Access Entity) to allow (in the authorized state) or prevent (in the unauthorized state) network traffic ingress and egress to/from the controlled port.
show a diagram of a single bit (e.g. a sine wave reference from -20 to +20, a signal starting as a sine wave then turning into a cosine from about -5 to +10 and then returning to the reference sine wave from +10 onwards). I've had some success generating this with gnuplot and the erf function.
PEAP is also an acronym for Personal Egress Air Packs.. The Protected Extensible Authentication Protocol, also known as Protected EAP or simply PEAP, is a protocol that encapsulates the Extensible Authentication Protocol (EAP) within an encrypted and authenticated Transport Layer Security (TLS) tunnel.
MT63 distributes the encoding of each character over a long time period, and over several tones. This code and symbol spreading implementation is key to its robustness under less than ideal conditions. The MT63 mode is very tolerant of mistuning; most software will handle 120 Hz tuning offsets under normal conditions.
Warning: This post contains spoilers for Thursday’s Star Trek: Picard. The Star Trek: Picard crew is gearing up for next week’s series finale… and they have a nice ride to get them there.
DK = T 1 + T 2 + ⋯ + T dkLen/hLen T i = F(Password, Salt, c, i) The function F is the xor (^) of c iterations of chained PRFs. The first iteration of PRF uses Password as the PRF key and Salt concatenated with i encoded as a big-endian 32-bit integer as the input. (Note that i is a 1-based index.)