From 7eb07ccdca178abffe5ffccf686b4f818db3601d Mon Sep 17 00:00:00 2001 From: ame Date: Fri, 17 Nov 2023 10:10:47 -0600 Subject: tons of hashes bleh --- src/hash/sdbm.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 src/hash/sdbm.c (limited to 'src/hash/sdbm.c') diff --git a/src/hash/sdbm.c b/src/hash/sdbm.c new file mode 100644 index 0000000..bec251e --- /dev/null +++ b/src/hash/sdbm.c @@ -0,0 +1,28 @@ +#include "../i_util.h" +#include "../crypto.h" +#include +#include + +uint64_t sdbm(uint8_t* in, size_t len){ + uint64_t hash = 0; + + for(int i = 0; i != len; i++){ + hash = (uint64_t)*in + (hash << 6) + (hash << 16) - hash; + in++; + } + + return hash; +} + +int l_sdbm(lua_State* L){ + size_t len = 0; + uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); + + char digest[64]; + + uint64_t u = sdbm(a, len); + sprintf(digest,"%016lx",u); + lua_pushstring(L, digest); + return 1; +} + -- cgit v1.2.3