smime.md

Extract from .p12 file

openssl pkcs12 -info -nodes -in <file>.p12

Create .p12 file

openssl pkcs12 -export -inkey <privateKey>.key -in certificates.pem -name <file>.p12

Decrypt

openssl smime -decrypt -in <mail>.asc -inkey <privateKey>.key

Verfiy signature

openssl smime -decrypt -in <mail>.asc -inkey <privateKey>.key | openssl smime -verify