# 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

For 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 is 0; extension is key; format is PEM encoded X.509 PKCS#1 RSA private key, recorded from its source on 2026-08-03.

- **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 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0
- **Extension:** key
- **Format:** PEM encoded X.509 PKCS#1 RSA private key _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> -----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

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).