AW: OpenVPNGui 2.4.7 fails: format error in certificate's notAfter field

Matt Caswell matt at
Mon Mar 4 13:24:39 UTC 2019

On 04/03/2019 13:16, Jan Just Keijser wrote:
> On 04/03/19 10:21, Wolfgang Knauf wrote:
>> Hi,
>> the output is this:
>> C:\Program Files\OpenVPN\bin>openssl.exe asn1parse -i -in
>> ..\config\SSL_HUG1 at\
>> Error: offset too large
>> Would it be OK if I send the crt file to only your mail adress? I don't feel
>> save by posting it to the mailing list ;-)?
> I ran into the "offset too large" problem myself with my own certs as well. It
> turns out the 'asn1parse' util only likes PEM blobs, i.e. the parts starting

asn1parse will expect PEM by default but is perfectly capable of processing raw
DER too. Just use the "-inform DER" option.


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