---
type: lookup
id: 42-53-44-49-46-46-34-30
asset: file-format-signatures
title: "42 53 44 49 46 46 34 30 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "42 53 44 49 46 46 34 30 | BSDIFF40 | 0 | | <https://en.wikipedia.org/wiki/Bsdiff> bsdiff binary patch |"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "42 53 44 49 46 46 34 30"
offset: "0"
format: "bsdiff binary patch"
---
**Hex signature:** 42 53 44 49 46 46 34 30

**Offset:** 0

**Format:** bsdiff binary patch

> 42 53 44 49 46 46 34 30 | BSDIFF40 | 0 | | <https://en.wikipedia.org/wiki/Bsdiff> bsdiff binary patch |

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>