openssl determine certificate type

The main file types and protocols for certificates are: PEM, DER, PFX, JKS, KDB, CER, Key, CSR, CRT, CRL, OCSP, SCEP, etc. Pem–openssl uses the PEM (privacy enhanced Mail) format to hold various information, which is the default way of storing

IntroductionAbout developing certificate configurations (Certificates & Identifiers &ProvisioningProfiles), I believe that the students do iOS development is not less than toss. For an iOS to develop small white, dabbler (like myself) or veterans,

In the previous article, we talked about common authentication methods: User Name/password authentication and Windows authentication. In the next article, we will introduce another important credential type: X.509 Certificate and the authentication

Prevent man-in-the-middle (mitm) Attacks Document options

Background The development and release of iOS software is inseparable from certificates and profiles, and if you want to release the app to the Apple Store or use Apple's push notification feature, you will need a personal developer certificate to

OpenSSL provides necessary capabilities Document options

Without secure server applications, secure client applications are not required. With OpenSSL, we can create secure server applications. This is not the case even though the document makes it look complicated. In this article, we will learn how to

The hard way I debug afnetworking send HTTPS request Bugs---------debug a morning and finally solved Process of certificate trust: The trust of a certificate is the process of trusting by proxy (Nsurlconnection and nsurlsession two ways to trust)

The "Transport Layer Security Protocol" evolved from SSL can use encryption technology to protect the privacy of TCP communication (information leakage) and integrity (whether data is tampered with during transmission ). RFC 3207 specifies an

Http://blog.chinaunix.net/uid-26575352-id-3073802.html Common certificate formats and mutual conversionsThe PKCS full name is Public-key cryptography standards, a set of standards developed by RSA Labs and other security system developers to