Line Password. Zero length password is considered as no
password. Password with zero length means that in case this
password is the method to be used a method fail is returned
and no other method is being used.
allowed formats:
a. Display string starting with '$' for clear text
b. Encrypted password: starts with # sign followed by 32
octets representing Hex Decimal value(in the 0-9 a-f A-F
range)
the $ and # as first octet are a directive to indicate what
is the type of password and are not not part of it