diff options
Diffstat (limited to 'src/hash/adler.c')
| -rw-r--r-- | src/hash/adler.c | 104 |
1 files changed, 52 insertions, 52 deletions
diff --git a/src/hash/adler.c b/src/hash/adler.c index daca0d7..7ee9197 100644 --- a/src/hash/adler.c +++ b/src/hash/adler.c @@ -1,52 +1,52 @@ -#include "../crypto.h" -#include <stdio.h> -#include <stdint.h> - -struct adler32_hash adler32_init(){ - return (struct adler32_hash){.a = 1, .b = 0}; -} - -void adler32_update(uint8_t* aa, size_t len, struct adler32_hash* hash){ - for(int i = 0; i != len; i++){ - hash->a += aa[i]; - hash->b += hash->a; - } -} - -uint32_t adler32_final(struct adler32_hash* hash){ - return hash->b * 65536 + hash->a; -} - -uint32_t adler32(uint8_t* aa, size_t len){ - struct adler32_hash dig = adler32_init(); - adler32_update(aa, len, &dig); - return adler32_final(&dig); -} - -common_hash_clone(adler32); - -common_hash_init_update(adler32); - -int l_adler32_final(lua_State* L){ - struct adler32_hash* a = (struct adler32_hash*)lua_touserdata(L, 1); - uint32_t u = adler32_final(a); - char digest[32]; - sprintf(digest,"%08x",u); - lua_pushstring(L, digest); - return 1; -} - -int l_adler32(lua_State* L){ - if(lua_gettop(L) == 0) return l_adler32_init(L); - size_t len = 0; - uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - - char digest[32]; - - uint32_t u = adler32(a, len); - - sprintf(digest,"%08x",u); - lua_pushstring(L, digest); - - return 1; -} +#include "../crypto.h"
+#include <stdio.h>
+#include <stdint.h>
+
+struct adler32_hash adler32_init(){
+ return (struct adler32_hash){.a = 1, .b = 0};
+}
+
+void adler32_update(uint8_t* aa, size_t len, struct adler32_hash* hash){
+ for(int i = 0; i != len; i++){
+ hash->a += aa[i];
+ hash->b += hash->a;
+ }
+}
+
+uint32_t adler32_final(struct adler32_hash* hash){
+ return hash->b * 65536 + hash->a;
+}
+
+uint32_t adler32(uint8_t* aa, size_t len){
+ struct adler32_hash dig = adler32_init();
+ adler32_update(aa, len, &dig);
+ return adler32_final(&dig);
+}
+
+common_hash_clone(adler32);
+
+common_hash_init_update(adler32);
+
+int l_adler32_final(lua_State* L){
+ struct adler32_hash* a = (struct adler32_hash*)lua_touserdata(L, 1);
+ uint32_t u = adler32_final(a);
+ char digest[32];
+ sprintf(digest,"%08x",u);
+ lua_pushstring(L, digest);
+ return 1;
+}
+
+int l_adler32(lua_State* L){
+ if(lua_gettop(L) == 0) return l_adler32_init(L);
+ size_t len = 0;
+ uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
+
+ char digest[32];
+
+ uint32_t u = adler32(a, len);
+
+ sprintf(digest,"%08x",u);
+ lua_pushstring(L, digest);
+
+ return 1;
+}
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