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C 8 H 17 SO 2 F + 17 F − → C 8 F 17 SO 2 F + 17 H + + 34 e −. This reaction results in a 25% yield for POSF, less than that for shorter perfluorosulfonyl fluorides. [2] The POSF obtained is impure as it is a mixture of linear and branched isomers, with ~70% linear. [2] POSF can also be obtained by ECF of the sulfonyl halide octanesulfonyl ...
Universal 2nd Factor (U2F) is an open standard that strengthens and simplifies two-factor authentication (2FA) using specialized Universal Serial Bus (USB), near-field communication (NFC), or Bluetooth Low Energy (BLE) devices based on similar security technology found in smart cards.
Session lacks support for two-factor authentication, and its underlying protocols are still in a developmental phase. Following the migration from the Signal Protocol to its internally developed protocol, forward secrecy and deniable authentication were not implemented, [ 9 ] but according to the delevopers it is not a security risk.
Now, 2-factor authentication, again, it's that second layer of security. So when you sign up for a service, you have your password, you have your username, and then sometimes you'll get a ...
Also, Mayo Clinic specifically reports that a serving of chia seeds (which they count as 2.5 tbs) contains 10 grams of fiber. When sprinkling chia seeds on yogurt or into a chicken salad, it’s ...
Mutual authentication or two-way authentication (not to be confused with two-factor authentication) refers to two parties authenticating each other at the same time in an authentication protocol. It is a default mode of authentication in some protocols ( IKE , SSH ) and optional in others ( TLS ).
Over the past 12 months, for instance, United Airlines stock is up more than 140%, while Delta has gained 60% and American increased 7%.Among the low-cost carriers, Frontier is up about 15% ...
PRF is a pseudorandom function of two parameters with output length hLen (e.g., a keyed HMAC) Password is the master password from which a derived key is generated; Salt is a sequence of bits, known as a cryptographic salt; c is the number of iterations desired; dkLen is the desired bit-length of the derived key; DK is the generated derived key