---
type: lookup
id: key-2d-2d-2d-2d-2d-42-45-47-49-4e-20-52-53-41-20-50-52-49-56-41-54-45-20-4b-45-59-2d
asset: file-format-signatures
title: "2D 2D 2D 2D 2D 42 45 47 49 4E 20 52 53 41 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "-----BEGIN RSA PRIVATE KEY----- | 0 | key pem | PEM encoded X.509 PKCS#1 <https://en.wikipedia.org/wiki/RSA_(cryptosystem)> RSA private key"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "2D 2D 2D 2D 2D 42 45 47 49 4E 20 52 53 41 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D"
offset: "0"
extension: "key"
format: "PEM encoded X.509 PKCS#1 RSA private key"
unverified_fields: format, hex_signature
---
**Hex signature:** 2D 2D 2D 2D 2D 42 45 47 49 4E 20 52 53 41 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D

**Offset:** 0

**Extension:** key

**Format:** PEM encoded X.509 PKCS#1 RSA private key

> -----BEGIN RSA PRIVATE KEY----- | 0 | key pem | PEM encoded X.509 PKCS#1 <https://en.wikipedia.org/wiki/RSA_(cryptosystem)> RSA private key

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