In the modern era, cryptography has become one of the most important part of our digital life. We all know, cryptography is used to encrypt,… Read More »My own opinion on the principles of cryptography
A S/MIME (Secure/Multipurpose Internet Mail Extensions) certificate is a type of digital certificate that is used to encrypt and sign email messages. It allows the… Read More »S/MIME certificates
Yubico is famous for its excellent hardware keys, and somehow they have become the industry standard. But unfortunately, for unknown reasons*, they don’t offer services… Read More »My YubiKey purchase experience in China