nWindows
XP ships with “strong crypto” baked in & enabled
nRSA
to 4096 bits, TripleDES, etc.
nWindows
XP is exportable because it’s a “monolithic application”
nCryptoAPI,
the Win32 crypto library that was designed to support plug-able
“cryptographic service providers” is not freely exportable
nIf
you want to plug into CryptoAPI, you need a license...