Yes, you can use a code-signing-certificate to sign multiple applications. With a code-signing-certificate, you can sign as many applications as you want as long as the application is distributed by the organization that owns the code-signing-certificate. For further questions, please contact our support team at +49 661 480 276 10.
You can sign any e-mail by attaching the public key. If you want to encrypt an e-mail, you need an e-mail from the recipient that he signed with his public key. The best way to store this public key is with the contact details of the sender of this e-mail. With this saved public key […]
Certification authorities always sign certificates using a specific algorithm. A hash method is usually part of this algorithm. SHA-1 has been used as a hash algorithm for signing SSL certificates for over ten years now; usually with RSA as the encryption algorithm. So see the hash algorithm as the signature of the certificate authority that […]