From: Sergey Matveev <stargrave@stargrave.org>
Date: Fri, 13 Mar 2026 09:59:55 +0000 (+0300)
Subject: Use native hexenc/hexdec capabilities
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;p=pyderasn.git

Use native hexenc/hexdec capabilities
---

diff --git a/pyderasn.py b/pyderasn.py
index 968914e..1f9f80d 100755
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -1887,7 +1887,7 @@ class Obj(metaclass=AutoAddSlots):
     def hexencode(self):
         """Do hexadecimal encoded :py:meth:`pyderasn.Obj.encode`
         """
-        return hexenc(self.encode())
+        return self.encode().hex()
 
     def decode(
             self,
@@ -2090,12 +2090,12 @@ class Obj(metaclass=AutoAddSlots):
     def hexdecode(self, data, *args, **kwargs):
         """Do :py:meth:`pyderasn.Obj.decode` with hexadecimal decoded data
         """
-        return self.decode(hexdec(data), *args, **kwargs)
+        return self.decode(bytes.fromhex(data), *args, **kwargs)
 
     def hexdecod(self, data, *args, **kwargs):
         """Do :py:meth:`pyderasn.Obj.decod` with hexadecimal decoded data
         """
-        return self.decod(hexdec(data), *args, **kwargs)
+        return self.decod(bytes.fromhex(data), *args, **kwargs)
 
     @property
     def expled(self):
@@ -2396,7 +2396,7 @@ def pp_console_row(
             ))
     if with_blob:
         if pp.blob.__class__ == bytes:
-            cols.append(hexenc(pp.blob))
+            cols.append(pp.blob.hex())
         elif pp.blob.__class__ == tuple:
             cols.append(", ".join(pp.blob))
     if pp.optional:
@@ -2418,7 +2418,7 @@ def pp_console_blob(pp, decode_path_len_decrease=0):
     if decode_path_len > 0:
         cols.append(" ." * (decode_path_len + 1))
     if pp.blob.__class__ == bytes:
-        blob = hexenc(pp.blob).upper()
+        blob = pp.blob.hex().upper()
         for i in range(0, len(blob), 32):
             chunk = blob[i:i + 32]
             yield " ".join(cols + [colonize_hex(chunk)])
@@ -3178,7 +3178,7 @@ class BitString(Obj):
                     value = value[1:-2]
                     return (
                         len(value) * 4,
-                        hexdec(value + ("" if len(value) % 2 == 0 else "0")),
+                        bytes.fromhex(value + ("" if len(value) % 2 == 0 else "0")),
                     )
             if value.__class__ == bytes:
                 return (len(value) * 8, value)
@@ -4657,15 +4657,15 @@ class CommonString(OctetString):
     Everything resembles :py:class:`pyderasn.OctetString`, except
     ability to deal with unicode text strings.
 
-    >>> hexenc("привет мир".encode("utf-8"))
+    >>> "привет мир".encode("utf-8").hex()
     'd0bfd180d0b8d0b2d0b5d18220d0bcd0b8d180'
-    >>> UTF8String("привет мир") == UTF8String(hexdec("d0...80"))
+    >>> UTF8String("привет мир") == UTF8String(bytes.fromhex("d0...80"))
     True
     >>> s = UTF8String("привет мир")
     UTF8String UTF8String привет мир
     >>> str(s)
     'привет мир'
-    >>> hexenc(bytes(s))
+    >>> bytes(s).hex()
     'd0bfd180d0b8d0b2d0b5d18220d0bcd0b8d180'
 
     >>> PrintableString("привет мир")
@@ -4678,7 +4678,7 @@ class CommonString(OctetString):
     >>> s = BMPString("ад", bounds=(2, 2))
     >>> s.encoding
     'utf-16-be'
-    >>> hexenc(bytes(s))
+    >>> bytes(s).hex()
     '04300434'
 
     .. list-table::
@@ -5791,9 +5791,9 @@ class PrimitiveTypes(Choice):
 
     It could be useful for general decoding of some unspecified values:
 
-    >>> PrimitiveTypes().decod(hexdec("0403666f6f")).value
+    >>> PrimitiveTypes().decod(bytes.fromhex("0403666f6f")).value
     OCTET STRING 3 bytes 666f6f
-    >>> PrimitiveTypes().decod(hexdec("0203123456")).value
+    >>> PrimitiveTypes().decod(bytes.fromhex("0203123456")).value
     INTEGER 1193046
     """
     __slots__ = ()
@@ -5835,8 +5835,8 @@ class Any(Obj):
     ANY INTEGER -123 (0X:7B)
     >>> a = Any(OctetString(b"hello world").encode())
     ANY 040b68656c6c6f20776f726c64
-    >>> hexenc(bytes(a))
-    b'0x040x0bhello world'
+    >>> bytes(a).hex()
+    '0x040x0bhello world'
     """
     __slots__ = ("defined",)
     tag_default = tag_encode(0)
@@ -7483,7 +7483,7 @@ def hexdump(raw):
             [...],
         ]
     """
-    hexed = hexenc(raw).upper()
+    hexed = raw.hex().upper()
     addr, cols = 0, ["%08x " % 0]
     for i in range(0, len(hexed), 2):
         if i != 0 and i // 2 % 8 == 0:
@@ -7657,7 +7657,7 @@ def browse(raw, obj, oid_maps=()):
                         ("header", "Hexadecimal: "), colonize_hex(pp.obj.tohex()),
                     ])
             if pp.blob.__class__ == bytes:
-                blob = hexenc(pp.blob).upper()
+                blob = pp.blob.hex().upper()
                 for i in range(0, len(blob), 32):
                     lines.append([colonize_hex(blob[i:i + 32])])
             elif pp.blob.__class__ == tuple:
@@ -7953,7 +7953,7 @@ def main():  # pragma: no cover
         obj, tail = schema().decode(raw, ctx=ctx)
         print(pprinter(obj))
     if tail != b"":
-        print("\nTrailing data: %s" % hexenc(tail))
+        print("\nTrailing data: %s" % tail.hex())
 
 
 if __name__ == "__main__":