---
type: lookup
id: ppk-50-75-54-54-59-2d-55-73-65-72-2d-4b-65-79-2d-46-69-6c-65-2d-32-3a
asset: file-format-signatures
title: "50 75 54 54 59 2D 55 73 65 72 2D 4B 65 79 2D 46 69 6C 65 2D 32 3A — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "PuTTY-User-Key-File-2: | 0 | ppk | <https://en.wikipedia.org/wiki/PuTTY> PuTTY private key file version 2"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "50 75 54 54 59 2D 55 73 65 72 2D 4B 65 79 2D 46 69 6C 65 2D 32 3A"
offset: "0"
extension: "ppk"
format: "<https://en.wikipedia.org/wiki/PuTTY> PuTTY private key file version 2"
unverified_fields: hex_signature
---
**Hex signature:** 50 75 54 54 59 2D 55 73 65 72 2D 4B 65 79 2D 46 69 6C 65 2D 32 3A

**Offset:** 0

**Extension:** ppk

**Format:** <https://en.wikipedia.org/wiki/PuTTY> PuTTY private key file version 2

> PuTTY-User-Key-File-2: | 0 | ppk | <https://en.wikipedia.org/wiki/PuTTY> PuTTY private key file version 2

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