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sender is actually Bob, which completes the authentication (the characteristic value of a string of data is obtained after decryption)The fourth step: using the same single encryption algorithm to extract the eigenvalues of this data, if the same as the third step of the eigenvalues, the data is complete, this completes the data integrity of the checksumAnother question is how Bob and Alice get the other's public key, or how to prove that the public key they get is the other. This requires the

, authenticity and storage control security issues, PKI system contains a certificate authority (CA), registration Center (RA), policy Management, key and certificate management, key backup and recovery, revocation system and other functional modules combined.650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/73/70/wKiom1X-C36wj_nxAAKck48VE3w837.jpg "title=" Qq20150920090711.png "alt=" Wkiom1x-c36wj_nxaakck48ve3w837.jpg "/>Third, SSLSecure Soc

In HTTPS learning note two, the concept of digital certificates has been clarified, composed and how the client validates the server-side certificate during the HTTPS connection process. This chapter describes how to use the OpenSSL library to create a key file, and to generate a root CA and issue a child certificate. Learn the main reference Official document: https://www.feistyduck.com/library/openssl-cookbook/online/ch-openssl.html#I. Introduction

Log on to the Windows Server 2003 Certificate Server as a domain administrator. Start the-〉 management tool-〉 Certification Authority, open the certification authority 650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M00/80/3D/wKioL1c8D6jT5FZYAAEijdorG-8329.png "title=" 001. PNG "alt=" Wkiol1c8d6jt5fzyaaeijdorg-8329.png "/>3. Right-click the CA name, all Tasks, and then click Backup CA. 650)

Building private CAs and SSH configuration servicesBefore you learn how to build a private CA, familiarize yourself with the basic concepts: CAS represents a certification authority, PKI represents a public key infrastructure, a registry of RA certificates, and a revocation list for CRL certificates. There are some encryption methods involved in architecting the CA, and here are some types of encryption to

Httpd self-built CA authentication for HTTPS service Required Software: httpd mod_ssl OpenSSL [[Email protected] CA] # httpd-V # httpd version: Apache/2.2.15 (UNIX) server built: jul 23 2014 14:15:00 [[email protected] CA] # uname-R # kernel version 2.6.32-431. el6.i686 [[email protected] CA] # uname-A # hairstyle ve

Openssl is an open-source implementation of SSL (applications can be downloaded for free). It is a secure and confidential program that is mainly used to improve the security of remote login access. It is also one of the tools currently used in encryption algorithms and has powerful functions.Openssl provides a security protocol for network communication security and data integrity, including key algorithms, common key and certificate encapsulation management functions (

: There is a security risk in the middle of a person is impersonating, while impersonating AB, then the middleman will be AB's information to read all over. To solve this problem, we have a third-party CA4.3 One-way encryption: Extract data Fingerprint (signature), can only encrypt, cannot decryptCharacteristics: fixed-length output, avalanche effect (small changes in initial results will result in a dramatic change in results)Function: Realize the integrity check of dataAlgorithm: Md5:message d

One. OpenSSL building a private CABuilding a CA1. Generate Private key2. Self-signed certificateIssuing certificates to nodes1. Node Application certificateNode Generation private keyGenerate a Certificate signing requestSend the request file to the CA2. CA Sign CertificateCA validates requestor's informationSign a certificateSend the signed certificate back to the requester.Certificate of Positive Examination:1. Digital signature of the decryption ce

can download the CA Public Key over the Internet to verify the server identity.2. The server generates a pair of keys through the encryption algorithm, and sends the public key to the CA for digital certificate.3. Ca encrypts the server public key with its own private key and adds its own digital signature to send the generated digital certificate to the server4

Cfssl_linux-amd64/opt/kubernetes/bin/cfssl4, three machines free key login; Copy the Cfssl command file to Node1 and Node2[[email protected] ~]# ssh-keygen-t rsa[[email protected] ~]# ssh-copy-id linux-node1[[email protected] ~]# Ssh-copy-id L Inux-node2[[email protected] ~]# ssh-copy-id linux-node3[[email protected] src]# scp/opt/kubernetes/bin/cfssl* 192.168.43.22:/opt/kubernetes/bin[[email protected] src]# scp/opt/kubernetes/bin/cfssl* 192.168.43.23:/opt/ Kubernetes/bin5. Initialize Cfssl[[e

In a recent project, the establishment of the PKI system has not been completed before, so it was confused at the beginning. I slowly found out some results and shared them with you. I hope you can correct the incorrect information. At present, the PKI system has become the key point of information security in an enterprise and is the pillar of information security. My project is based on Microsoft technology. The CA Certificate Server is a self-built

symmetric key with the public key of the receiver, attaches it to the tail of the cipher, and sends it; Decryption process: 1. The receiving party decrypts the encrypted symmetric password with its own private key; 2. The receiving Party uses the password to decrypt the text; 3, the receiver uses the sender's public key to decrypt the sender's private key encryption signature; 4, the receiver uses the same one-way encryption algorithm to calculate the original data signature; 5, the receiver co

Experimental environment: Virtual machine: Vmware®workstation ProHost A:ip to 10.1.255.55/16, create CA and provide CA service to other hostsHost B: For httpd server, IP for 10.1.249.115/161, view the OpenSSL profile/etc/pki/tls/openssl.cnf [Root@localhost ~]# cat/etc/pki/tls/openssl.cnf (View the contents of the CA portion of the configuration file) ...... [

Preface openSSL is a powerful encryption tool. many of us are already using openSSL to create RSA private key or certificate signature requests. However, you can use openSSL to test the computer. speed? You can also use it to encrypt files or messages. Openssl is a suite of open-source programs. it consists of three parts: libcryto, which has PrefaceOpenSSL is a powerful encryption tool. many of us are already using openSSL to create RSA private keys or certificate signature requests. However, y

Small black daily tossing-quick creation of shell scripts for private CA Tom started to make new things again. He just learned how to build a private CA through openssl last week and spent some time writing this script on Saturday. After that, he went to renew DNS, if you have any bugs, please forgive me. This script is purely an exercise for practicing openssl, awk, sed, and other knowledge points. First,

Use openssl to build a Root CA in CentOS 6 I. Introduction OpenSSL is an open-source encryption tool. In a Linux environment, we can use it to build a CA for certificate issuance. It can be used in an enterprise's internal encryption tool, the following is a powerful OpenSSL tool. In Linux, a CA is built to implement certificate management. Ii. Construction 1. Fi