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  2. List of principal and guide meridians and base lines of the ...

    en.wikipedia.org/wiki/List_of_principal_and...

    Primarily from the United States Government Printing Office Style Manual. [1] State names usually signify only parts of each listed state, unless otherwise indicated. Based on the BLM manual's 1973 publication date, and the reference to Clarke's Spheroid of 1866 in section 2-82, coordinates appear to be in the NAD27 datum.

  3. Rekeying - Wikipedia

    en.wikipedia.org/wiki/Rekeying

    To rekey a lock you have to first remove the lock cylinder from any housing it rests in. The lock cylinder must be disassembled, and the plug removed. Use a plug follower to avoid dropping master-wafers, top pins and springs. The plug has cylindrical chambers spaced according to manufacturer specifications.

  4. Rekeying (cryptography) - Wikipedia

    en.wikipedia.org/wiki/Rekeying_(cryptography)

    In cryptography, rekeying refers to the process of changing the session key—the encryption key of an ongoing communication—in order to limit the amount of data encrypted with the same key.

  5. PRIME (power-line communication) - Wikipedia

    en.wikipedia.org/wiki/PRIME_(Power-line...

    The PRIME Alliance has interoperability tests in place, which are carried out by multiple accredited test laboratories. Currently, the tests have been passed by over 40 products. [2] The primary usage of PRIME is in advanced metering infrastructure. According to the PRIME Alliance, more than 5 million meters in 9 countries are deployed. [3]

  6. Pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Pin_tumbler_lock

    The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.

  7. Diffie–Hellman key exchange - Wikipedia

    en.wikipedia.org/wiki/Diffie–Hellman_key_exchange

    The order of G should have a large prime factor to prevent use of the Pohlig–Hellman algorithm to obtain a or b. For this reason, a Sophie Germain prime q is sometimes used to calculate p = 2 q + 1 , called a safe prime , since the order of G is then only divisible by 2 and q .

  8. Glossary of locksmithing terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_locksmithing_terms

    A square, rounded or V-shaped depression, filed or machined into a key, to allow the key to turn in its lock. In pin tumbler locks, the series of key cuts on a key causes the pins to line up at the shear line or gate so the lock will open. In warded locks, the key cuts bypass the wards so the key can push or pull the bolt.

  9. Father Knows Best - Wikipedia

    en.wikipedia.org/wiki/Father_Knows_Best

    Father Knows Best is an American sitcom starring Robert Young, Jane Wyatt, Elinor Donahue, Billy Gray and Lauren Chapin.The series, which began on radio in 1949, aired as a television show for six seasons and 203 episodes.