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
ASC
Primary Hex
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
CRT
Primary Hex
43 36 34 20 43 41 52 54 52 49 44 47 45 20 20 20
.csr
CSR
Primary Hex
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
DER
Primary Hex
30 80
.gpg
GPG
Primary Hex
85
.kdb
KDB
Primary Hex
37 48 03 02 00 00 00 00
.key
KEY
Primary Hex
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
P7S
Primary Hex
2D 2D 2D 2D 2D 42 45 47 49 4E 20 50 4B 43 53 37
.pem
PEM
Primary Hex
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
PGP
Primary Hex
85
.pub
SSH2 public key (RFC 4716)
Primary Hex
2D 2D 2D 2D 2D 42 45 47 49 4E 20 53 53 48 32 20 4B 45 59 2D 2D 2D 2D 2D