openssl pkcs7 sign

OpenSSL is an open source SSL implementation. The simplest and most important application based on the OpenSSL directive is to use Req, CAs, and X509 to issue a certificate.OpenSSL provides command-line options and interactive two ways to perform

OpenSSL encoding rules1. data encoding format Openssl data encoding rules are based on ans.1. What is ans.1? An Explanation on top of the project ASN.1 (Abstract Syntax Notation One) is a structured Description Language, which consists of two parts:

Simple use of OpenSSL to generate secret keys To add SSL to servers such as Postfix and Apache, enhance the security factor, You need to use certificate (certificate). This certificate can be obtained from the official ca. Or you can generate one

OpenSSL PKCS7_dataDecode Function Denial of Service Vulnerability (CVE-2015-1790)OpenSSL PKCS7_dataDecode Function Denial of Service Vulnerability (CVE-2015-1790) Release date:Updated on:Affected Systems: OpenSSL Project OpenSSL 〈 0.9.8zgOpenSSL

Certificate creation depends on the encryption algorithm, see http://yunweigou.blog.51cto.com/6299641/1637108 Preface, with the development of the network, because the use of HTTP protocol communication between the two sides of the data is clear-

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

Android signature mechanism-Detailed description of the signature processI. Preface After a long time, the hands without writing articles were a little uncomfortable. Today is Christmas, or you have to go to work. A few days ago, a colleague asked

This article was reproduced from: http://www.wjdiankong.cn/android%E7%AD%BE%E5%90%8D%E6%9C%BA%E5%88%B6%E4%B9%8B-%E7%AD%BE%E5%90%8D%E8%BF% 87%e7%a8%8b%e8%af%a6%e8%a7%a3/First, prefaceIt's been a long time, not writing the hands of the article is a

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

Formats and differences of digital certificates Certificates that exist as files are generally in the following formats: 　　1.Certificate with Private Key It is defined by the public key cryptography standards #12 and PKCS #12 standards. It contains