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Add SHA1 and SHA256 hashing BIFs. (addresses #542)

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Also refactor all internal MD5 stuff to use OpenSSL's.
This commit is contained in:
Jon Siwek 2012-05-04 16:09:05 -05:00
parent 8766a2e2fc
commit 79afc834ce
19 changed files with 461 additions and 531 deletions
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15
src/DFA.cc
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@ -2,9 +2,10 @@
#include "config.h"
#include <openssl/md5.h>
#include "EquivClass.h"
#include "DFA.h"
#include "md5.h"
int dfa_state_cache_size = 10000;
@ -312,8 +313,8 @@ DFA_State* DFA_State_Cache::Lookup(const NFA_state_list& nfas,
{
// We assume that state ID's don't exceed 10 digits, plus
// we allow one more character for the delimiter.
md5_byte_t id_tag[nfas.length() * 11 + 1];
md5_byte_t* p = id_tag;
u_char id_tag[nfas.length() * 11 + 1];
u_char* p = id_tag;
for ( int i = 0; i < nfas.length(); ++i )
{
@ -335,12 +336,8 @@ DFA_State* DFA_State_Cache::Lookup(const NFA_state_list& nfas,
// We use the short MD5 instead of the full string for the
// HashKey because the data is copied into the key.
md5_state_t state;
md5_byte_t digest[16];
md5_init(&state);
md5_append(&state, id_tag, p - id_tag);
md5_finish(&state, digest);
u_char digest[16];
MD5(id_tag, p - id_tag, digest);
*hash = new HashKey(&digest, sizeof(digest));
CacheEntry* e = states.Lookup(*hash);