base layer hashing algorithms, fill out md5

src/base/base_hash.c

@@ -0,0 +1,36 @@
+// Copyright (c) Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+////////////////////////////////
+//~ rjf: Hash Functions
+
+#if !defined(MD5_API)
+# define MD5_API static
+# include "third_party/md5/md5.c"
+# include "third_party/md5/md5.h"
+#endif
+
+internal MD5
+md5_from_data(String8 data)
+{
+  MD5_CTX ctx = {0};
+  MD5_Init(&ctx);
+  MD5_Update(&ctx, (void*)data.str, data.size);
+  MD5 result = {0};
+  MD5_Final(result.u8, &ctx);
+  return result;
+}
+
+internal SHA1
+sha1_from_data(String8 data)
+{
+  SHA1 result = {0};
+  return result;
+}
+
+internal SHA256
+sha256_from_data(String8 data)
+{
+  SHA256 result = {0};
+  return result;
+}