Security Glossary

abbr.	stand for	mean
AEAD	Authenticated Encryption with Associated Data
ASN.1
DER
HSM	Hardware Security Modules
KMS	Key Management Systems
PEM	Privacy Enhanced Mail rfc1421
PKCS	Public-Key Cryptography Standards rfc7292
PKCS#1	RSA
PKCS#12
PKCS#7
RSA
TPM	Trusted Platform Modules
X.509
SLSA	Supply chain Levels for Software Artifacts

pem header	stand for
CERTIFICATE	Certificate
X509 CRL	Certificate Revocation List
NEW CERTIFICATE REQUEST	Certificate Request
RSA PRIVATE KEY	PKCS#1 private key
RSA PUBLIC KEY	PKCS#1 public key
PRIVATE KEY	PKCS#8 private key

file extension	stand for	encoding
.csr	Certificate Signing Request	PKCS10
.pem		base64
.key	private key	PEM
.pkcs12, .pfx, .p12	PCKS
.der		ASN.1
.cert, .cer, .crt		.pem,.der
.p7b, .keystore	PCKS#7, [rfc2315]
.crl	certificate revocation list