From 7e6d58c143e1f3b1384ca2e798825ff3ed9469ec Mon Sep 17 00:00:00 2001
From: ame <amelia@amyy.cc>
Date: Fri, 5 Apr 2024 13:12:50 -0500
Subject: fixes n stuff:3

---
 src/hash/sha01.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'src/hash/sha01.c')

diff --git a/src/hash/sha01.c b/src/hash/sha01.c
index 81a19d6..72932ff 100644
--- a/src/hash/sha01.c
+++ b/src/hash/sha01.c
@@ -88,7 +88,7 @@ void sha01_update(uint8_t* input, size_t len, struct sha01_hash* hash){
 
   for(; total_add >= bs;){
     memcpy(hash->buffer + hash->bufflen, input + read, bs - hash->bufflen);
-    total_add -= bs - hash->bufflen;
+    total_add -= bs;
     hash->bufflen = 0;
     read += bs;
     sha01_round(hash);
@@ -96,9 +96,9 @@ void sha01_update(uint8_t* input, size_t len, struct sha01_hash* hash){
 
   memset(hash->buffer, 0, bs);
 
-  if(read != total_add){
-    memcpy(hash->buffer, input + read, total_add - read);
-    hash->bufflen = total_add - read;
+  if(0 != total_add){
+    memcpy(hash->buffer, input + read, total_add);
+    hash->bufflen = total_add;
   }
 }
 
@@ -107,7 +107,9 @@ void sha01_final(struct sha01_hash* hash, char* out_stream){
 
   if(hash->bufflen > 55) {
     //too large, needs another buffer
+    memset(hash->buffer + hash->bufflen + 1, 0, 64 - hash->bufflen);
     sha01_round(hash);
+    memset(hash->buffer, 0, 64);
   }
 
   size_t lhhh = 8*hash->total;
@@ -182,7 +184,7 @@ int l_sha1(lua_State* L){
 
   char digest[160];
 
-  sha1(a, len, digest);
+  sha1((uint8_t*)a, len, digest);
   lua_pushstring(L, digest);
 
   return 1;
@@ -195,7 +197,7 @@ int l_sha0(lua_State* L){
   
   char digest[160];
 
-  sha0(a, len, digest);
+  sha0((uint8_t*)a, len, digest);
   lua_pushstring(L, digest);
 
   return 1;
-- 
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