Certificate formats-X.509, der and PEMPart: 1 2 3Certificate standard and File encodings seem to be confusing. I wrote down some notes about:
What is X.509 certificate standard?
PEM (privacy enhanced mail) Encoding
Der
Those related to certificates (SSL,X.509,PEM,DER,CRT,CER,KEY,CSR,P12, etc.) [ZZ]Reprinted 2015-06-09 20:21:04From:http://www.cnblogs.com/guogangj/p/4118605.htmlThese concepts related to certificates are really tricky because they haven't been
to does this, we need to download 2 jar, which list below:Bouncycastle.openssl + commons-codec-1.10If you want to compile the app from Android source code, you'll need to write your own "android.mk"Packagecom. Example. Getpubkey;Import Java. IO.
[Android] how to get pem format public key from modulus and exponent, pemexponent
To do this, we need to download 2 jar, which list below:
Bouncycastle. openssl + commons-codec-1.10
If you want to compile the app from android source code, you will
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
Build a Linux-based VPN Network-Linux Enterprise Application-Linux server application information. The following is a detailed description. Building a VPN is almost one of the most advanced Linux applications. Learning this technology is enough to
Pushing messages to iOS is a function available in many IOS apps. I have recently studied this function. I have finally finished it by referring to a lot of materials. I will share the steps below:
The working mechanism of IOS message
How to configure a secure http service to make the service more secure. You can also learn how ca works. 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131228/055P4N91-0.gif "alt =" j_0003.gif "/>
HTTP + SSL = HTTPS
Configure
Description: 1 and 2 are mainly from Apple documents, 3 and 4 are mainly from Internet search results.
1, the format of the certificate
Certificates (such as the root certificate of a CA) are usually in two formats
(1) binary format, commonly used
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