Re: private/public key support ?

[Valerio Schiavoni <valerio.schiavoni@...>]

Hello Luiz,
trying to build lmd5, i get this:

gcc -I/Users/veleno/Downloads/lua-5.1.4/src  -DUSE_SHA1_OPENSSL  -O2
 -c -o lmd5.o lmd5.c
gcc -o md5.so -shared lmd5.o -lcrypto
Undefined symbols:
  "_lua_pushvalue", referenced from:
      _luaopen_sha1 in lmd5.o
      _luaopen_sha1 in lmd5.o
  "_luaL_checkudata", referenced from:
      _Pget in lmd5.o
  "_luaL_openlib", referenced from:
      _luaopen_sha1 in lmd5.o
  "_lua_pushlstring", referenced from:
      _luaopen_sha1 in lmd5.o
      _luaopen_sha1 in lmd5.o
      _luaopen_sha1 in lmd5.o
      _luaopen_sha1 in lmd5.o
      _luaopen_sha1 in lmd5.o
      _Ldigest in lmd5.o
      _Ldigest in lmd5.o
  "_lua_getfield", referenced from:
      _Pnew in lmd5.o
  "_luaL_checklstring", referenced from:
      _Lupdate in lmd5.o
      _Ldigest in lmd5.o
  "_lua_toboolean", referenced from:
      _Ldigest in lmd5.o
  "_lua_pushfstring", referenced from:
      _Ltostring in lmd5.o
  "_lua_settable", referenced from:
      _luaopen_sha1 in lmd5.o
      _luaopen_sha1 in lmd5.o
      _luaopen_sha1 in lmd5.o
  "_lua_setmetatable", referenced from:
      _Pnew in lmd5.o
  "_lua_newuserdata", referenced from:
      _Pnew in lmd5.o
  "_lua_isuserdata", referenced from:
      _Ldigest in lmd5.o
  "_lua_setfield", referenced from:
      _luaopen_sha1 in lmd5.o
  "_lua_gettable", referenced from:
      _luaopen_sha1 in lmd5.o
  "_luaL_newmetatable", referenced from:
      _luaopen_sha1 in lmd5.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
make: *** [md5.so] Error 1


Any idea ?

On Mon, Mar 15, 2010 at 1:56 PM, Luiz Henrique de Figueiredo
<lhf@tecgraf.puc-rio.br> wrote:
>> I've found what I was looking for:
>>
>> http://luaforge.net/frs/?group_id=394&release_id=1120
>>
>> it's "very" slow because it's in pure Lua, but it's exactly what I was
>> searching.
>> Maybe some C-backed implementation would be better..
>
> You can combine my lmd5 (which also supports SHA1) with my lbc, which does
> arbitrary precision arithmetic, including modular exponentiation. See
>        http://www.tecgraf.puc-rio.br/~lhf/ftp/lua/#lmd5
>        http://www.tecgraf.puc-rio.br/~lhf/ftp/lua/#lbc
>