Add start of rransom's notes on tor crypto requirements
tree75580aeb3c70ac8221514bb582d94742a6c3011a
-rw-r--r-- 2069 address-spec.txt
-rw-r--r-- 10905 bridges-spec.txt
-rw-r--r-- 19944 control-spec-v0.txt
-rw-r--r-- 82765 control-spec.txt
-rw-r--r-- 13200 dir-spec-v1.txt
-rw-r--r-- 41900 dir-spec-v2.txt
-rw-r--r-- 103425 dir-spec.txt
-rw-r--r-- 28797 path-spec.txt
drwxr-xr-x - proposals
-rw-r--r-- 46354 rend-spec.txt
-rw-r--r-- 3278 socks-extensions.txt
-rw-r--r-- 2201 tor-fw-helper-spec.txt
-rw-r--r-- 46974 tor-spec.txt
-rw-r--r-- 2147 version-spec.txt