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Contents
require 'date'
module RASN1
module Types
# ASN.1 UTCTime
#
# +{#value} of a +UtcTime+ should be a ruby Time.
#
# ===Notes
# When encoding, resulting string is always a UTC time, appended with +Z+.
# Seconds are always generated.
#
# On parsing, UTC times (ending with +Z+) and local times (ending with
# +sHHMM+, where +s+ is +++ or +-+, and +HHMM+ is the time differential
# betwen UTC and local time) are both supported. Seconds may be present or
# not.
# @author Sylvain Daubert
class UtcTime < Primitive
TAG = 23
# Get ASN.1 type
# @return [String]
def self.type
'UTCTime'
end
private
def value_to_der
@value.getutc.strftime('%y%m%d%H%M%SZ')
end
def der_to_value(der, ber: false)
format = case der.size
when 11
'%Y%m%d%H%MZ'
when 13
'%Y%m%d%H%M%SZ'
when 15
'%Y%m%d%H%M%z'
when 17
'%Y%m%d%H%M%S%z'
else
prefix = @name.nil? ? type : "tag #{@name}"
raise ASN1Error, "#{prefix}: unrecognized format: #{der}"
end
century = (Time.now.year / 100).to_s
@value = DateTime.strptime(century + der, format).to_time
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems