diff options
Diffstat (limited to 'src/hash/djb2.c')
| -rw-r--r-- | src/hash/djb2.c | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/src/hash/djb2.c b/src/hash/djb2.c index ed01345..827d468 100644 --- a/src/hash/djb2.c +++ b/src/hash/djb2.c @@ -1,50 +1,50 @@ -#include "../crypto.h" -#include <stdio.h> -#include <stdint.h> - -struct djb2_hash djb2_init(){ - return (struct djb2_hash){.hash = 5381}; -} - -void djb2_update(uint8_t * in, size_t len, struct djb2_hash * hash){ - for(int i = 0; i != len; i++){ - hash->hash = ((hash->hash << 5) + hash->hash) + (uint32_t)*in; - in++; - } -} - -uint32_t djb2_final(struct djb2_hash * hash){ - return hash->hash; -} - -uint32_t djb2(uint8_t * in, size_t len){ - struct djb2_hash a = djb2_init(); - djb2_update(in, len, &a); - return djb2_final(&a); -} - -common_hash_clone(djb2); - -common_hash_init_update(djb2); - -int l_djb2_final(lua_State* L){ - struct djb2_hash* a = (struct djb2_hash*)lua_touserdata(L, 1); - uint32_t u = djb2_final(a); - char digest[64]; - sprintf(digest,"%08x",u); - lua_pushstring(L, digest); - return 1; -} - -int l_djb2(lua_State* L){ - if(lua_gettop(L) == 0) return l_djb2_init(L); - size_t len = 0; - uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - - char digest[64]; - - uint32_t u = djb2(a, len); - sprintf(digest,"%08x",u); - lua_pushstring(L, digest); - return 1; -} +#include "../crypto.h"
+#include <stdio.h>
+#include <stdint.h>
+
+struct djb2_hash djb2_init(){
+ return (struct djb2_hash){.hash = 5381};
+}
+
+void djb2_update(uint8_t * in, size_t len, struct djb2_hash * hash){
+ for(int i = 0; i != len; i++){
+ hash->hash = ((hash->hash << 5) + hash->hash) + (uint32_t)*in;
+ in++;
+ }
+}
+
+uint32_t djb2_final(struct djb2_hash * hash){
+ return hash->hash;
+}
+
+uint32_t djb2(uint8_t * in, size_t len){
+ struct djb2_hash a = djb2_init();
+ djb2_update(in, len, &a);
+ return djb2_final(&a);
+}
+
+common_hash_clone(djb2);
+
+common_hash_init_update(djb2);
+
+int l_djb2_final(lua_State* L){
+ struct djb2_hash* a = (struct djb2_hash*)lua_touserdata(L, 1);
+ uint32_t u = djb2_final(a);
+ char digest[64];
+ sprintf(digest,"%08x",u);
+ lua_pushstring(L, digest);
+ return 1;
+}
+
+int l_djb2(lua_State* L){
+ if(lua_gettop(L) == 0) return l_djb2_init(L);
+ size_t len = 0;
+ uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
+
+ char digest[64];
+
+ uint32_t u = djb2(a, len);
+ sprintf(digest,"%08x",u);
+ lua_pushstring(L, digest);
+ return 1;
+}
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