Hi,

Hope someone can help me understand the validity date and time format of x509.

For example, when connecting to https://401k.fidelity.com/, my IE shows it's cert validity is
Valid from: August 30, 2006 5:00:00 PM
Valid to:    August 31, 2007 4:59:59 PM

Ethereal shows the same fields of the x509 cert as:
decoded notBefore:  0   6   0  8   3   1  0   0   0   0   0  0   Z
                   (hex: 30 36 30 38 33 31 30 30 30 30 30 30 5A)
decoded notAfter:    0   7   0  8   3   1   2  3   5   9   5   9  Z
                   (hex: 30 37 30 38 33 31 32 33 35 39 35 39 5A)

It's staightfoward that 0 6 0 8 3 match 2006 08 3*, 0 7 0 8 3 match 2007 08 3*; 0 0 0 0 Z match 00:00, 5 9 5 9 Z match 59:59, but I found it's a bit confusing to decode the middle digits of notBefore and notAfter.

Any hints?
Rick

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