Inc. RSA Data Security, now owned by Security Dynamics Inc., recently purchased the rights to a cryptographic product created in Australia. This list goes on and on. Again and again, U.S. companies have realized that cryptographic expertise is available outside the U.S., and have taken steps to secure that expertise. Cryptography does not stop at national borders. Research, standards, and products are international.
Expertise is international.
There is no evidence that this is true, and considerable evidence that the reverse is true.