OpenSSL
Certificate and Key Formats
- DER
- PEM
- PKCS#7
- PKCS#8
- PKCS#12
Commands
openssl version -a # Display version of OpenSSL
openssl ciphers -v 'ALL:eNULL' # Verbose listing of all OpenSSL ciphers including NULL ciphers.
openssl ciphers -v 'ALL:!aNULL' # List all ciphers except ones with no encryption (eNULL) or no authentication (aNULL):
Tools
Testing TLS/SSL encryption
TLS Ciphersuite Search
Abbreviations
- PEM: Privacy Enhanced Mail
- PKCS: Public-Key Cryptography Standards
- SHA: Secure Hash Algorithm
- SSL: Secure Socket Layer
- TLS: Transport Layer Security
- CSR: Certificate Signing Request
- DER: Distinguished Encoding Rules