Skip to content

Category

Certificates & Keys File Signatures

Cryptographic certificate, key, and keystore formats — PEM, DER, PKCS#12, PGP — and their distinguishing magic bytes.

11 formats in this category

.asc Safe

ASC

2D 2D 2D 2D 2D 42 45 47 49 4E 20 50 47 50 20 50 55 42 4C 49 43 20 4B 45 49 20 42 4C 4F 43 4B 2D 2D 2D 2D 2D
.crt Safe

CRT

43 36 34 20 43 41 52 54 52 49 44 47 45 20 20 20
.csr Safe

CSR

2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 20 52 45 51 55 45 53 54 2D 2D 2D 2D 2D
.der Safe

DER

30 80
.gpg Safe

GPG

85
.kdb Safe

KDB

37 48 03 02 00 00 00 00
.key Safe

KEY

2D 2D 2D 2D 2D 42 45 47 49 4E 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D
.p7s Safe

P7S

2D 2D 2D 2D 2D 42 45 47 49 4E 20 50 4B 43 53 37
.pem Safe

PEM

2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 2D 2D 2D 2D 2D
.pgp Safe

PGP

85
.pub Safe

SSH2 public key (RFC 4716)

2D 2D 2D 2D 2D 42 45 47 49 4E 20 53 53 48 32 20 4B 45 59 2D 2D 2D 2D 2D