Glossary

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P
P&D
P3P
PA
PAA
PAD
PAE
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PAX
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PC
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PCZ
PD
Pdl
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PL
PLA
PM
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Ps
PSL
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PTR
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PUC
PUT
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PWA
PX
Password Length Equation
  • An equation that determines an appropriate password length, M, which provides an acceptable probability, P, that a password will be guessed in its lifetime. Note: The password length is given by M = (log S)/(log N) where S is the size of the password space and N is the number of characters available. The password space is given by S = LR/P, where L is the maximum lifetime of a password and R is the number of guesses per unit of time. See also password length parameter.