found by Patrik Karlsson. The second and subsequent times we call
EVP{Encrypt,Decrypt}Init_ex, we have to pass NULL for the type argument.
This allows setting to accumulate from previous calls.
and l_decrypt. Otherwise, OpenSSL reads unallocated memory:
openssl.encrypt("DES", "key", "iv", "datadatadatadata")
==5691== Invalid read of size 1
==5691== at 0x412F07D: DES_set_key_unchecked (in /usr/lib/libcrypto.so.0.9.8)
==5691== Address 0x4bcc415 is 2 bytes after a block of size 19 alloc'd
==5691== at 0x402598A: malloc (vg_replace_malloc.c:195)
==5691== by 0x4025A16: realloc (vg_replace_malloc.c:476)
==5691== by 0x80ED502: luaM_realloc_ (in /home/david/nmap/nmap)
==5691== by 0x80F134B: luaS_newlstr (in /home/david/nmap/nmap)
==5691== by 0x80F85FA: luaX_newstring (in /home/david/nmap/nmap)
==5691== by 0x80F8FF6: llex (in /home/david/nmap/nmap)
==5691== by 0x80F9861: luaX_next (in /home/david/nmap/nmap)
==5691== by 0x80EDCAF: testnext (in /home/david/nmap/nmap)
==5691== by 0x80EF718: explist1 (in /home/david/nmap/nmap)
==5691== by 0x80EF7C0: funcargs (in /home/david/nmap/nmap)
==5691== by 0x80EFA1C: primaryexp (in /home/david/nmap/nmap)
==5691== by 0x80EEE16: subexpr (in /home/david/nmap/nmap)
Moved the includes for Lua headers to the .cc files so they are
not needlessly, repeatedly included.
Similarly, moved some standard headers to the .cc files and reorganized
includes to be uniform for all nse_* source files.
Fixed whitespace (removed tabs).
