Engineering, 30.03.2020 15:37 tilly40oooo
You have a secret key to access your crypto assets in your company, and you want to share among 3 people, yourself (CEO), your CFO, and your Treasurer. To achieve this goal, you decide take your secret and cut it into three equal non-overlapping parts to give to each of the there people. Which of the following would be the downsides of this scheme?
A) If one of the three goes rogue or loses the secret, you lose ability to access to your assets.
B) An attacker can steal any one secret and get access to your assets.
C) An attacker gains information about your private key material from stealing any one secret, reducing brute force attack space.
D) The access key has to be reconstituted in one place to sign any transactions or decrypt data, and is vulnerable to compromise at that time.
E) Secret information must be somehow securely communicated to multiple parties.
Answers: 1
Engineering, 03.07.2019 15:10
Two flowing streams of argon gas are adiabatically mixed to form a single flow/stream. one stream is 1.5 kg/s at 400 kpa and 200 c while the second stream is 2kg/s at 500 kpa and 100 ? . it is stated that the exit state of the mixed single flow of argon gas is 150 c and 300 kpa. assuming there is no work output or input during the mixing process, does this process violate either the first or the second law or both? explain and state all your assumptions.
Answers: 1
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
Engineering, 04.07.2019 18:10
Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.
Answers: 1
You have a secret key to access your crypto assets in your company, and you want to share among 3 pe...
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