first commit

2026-09-14 23:22:10 +09:00
commit 9f9c8fb69b
4207 changed files with 1333187 additions and 0 deletions
@@ -0,0 +1,12 @@
+import binascii
+
+
+def encode_int(num, bits):
+    length = ((bits + 7) // 8) * 2
+    padded_hex = f"{num:0{length}x}"
+    big_endian = binascii.a2b_hex(padded_hex.encode("ascii"))
+    return big_endian
+
+
+def decode_int(b):
+    return int(binascii.b2a_hex(b), 16)