Musings: SSH key types, PayPal API documentation, and more

I have a few random musings to arf about today.

Sleep is miserable. I don’t know why I even bother pretending to have a schedule to myself. Between work demands, personal issues, and the fact that I tend to favour going to sleep around the 05:00 hour naturally, it’s impossible. Sure, I can hold a “normal person” schedule indefinitely… if I have no external factors. But my life is full of external factors that make it impossible. And there are some people in my life that try and make me feel guilty for not being able to hold a schedule. It feels miserable.

In other news, PayPal’s API documentation for their SetExpressCheckout call lies. They say the xsi:type for the SolutionType is “ebl:SolutionTypeType”, but I found out the hard way that passing that as the type causes a SOAP Fault (and leaks the API password and signature out in the error message)! The only way I can find to do it properly is to set xmlns=”urn:ebay:apis:eBLBaseComponents” on the SolutionType node and then set xsi:type=”SolutionTypeType” (no ebl: namespace). Then the API accepts it fine. Who knows why their systems do what they do.

I investigated making a new SSH key that would be stronger than my current one. Unfortunately, it doesn’t seem I really have a choice in the matter. The only common denominator is RSA, as shown in this matrix:

Key Type Mac OS X NetBSD Debian
RSA Yes Yes Yes
DSA Yes Yes Yes
ed25519 No No No
ECDSA No Yes Yes
SSH Version / OS Version 5.6 / 10.8.5 5.9 / 6.1.5/i386. 6.0 / 8.0 “Jessie”.

Note that the following systems supported all listed key types:

  • Gentoo 20150623
  • FreeBSD 10.1
  • OpenBSD 5.6
  • Alpine Linux 3.2
  • Windows 2000

Truly a sad day when a 16 year old Windows OS has more SSH key types available (via mingw) than Mac OS X, NetBSD, and Debian combined. Looks like I’m sticking with RSA keys for the foreseeable future.

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