pki ra

5th Chapter-PKI and Certificate Service Application First, public key infrastructure (1), what is a PKI ØPKI (public key infrastructure, PKI) is a technology that ensures information security by using public key technology and digital signatures, and is responsible for verifying the identity of a digital certificate holder Ø In a

Cryptographic algorithm encryption based on PKI) A single-key cryptographic algorithm, also known as symmetric cryptographic algorithms, refers to encryption.KeyThe same password algorithm as the decryption key. Therefore, when transmitting and processing information, the sender and receiver of information must jointly hold this password, which is called a symmetric password ). In symmetric key cryptography algorithms, encryption and decryption operat

Public Key digital signature algorithm Signature Based on PKI) DSADigital Signature Algorithm, Digital Signature Algorithm, used as part of the Digital Signature standard), it is another public key Algorithm, it cannot be usedEncryption, Used only as a digital signature. DSA uses a public key to verify the data integrity and identity of the Data sender for the receiver. It can also be used by a third party to determine the authenticity of the signatur

Digital Certificate Based on PKI Digital Certificates are the identity certificates for various entities (cardholders/individuals, merchants/enterprises, gateways/banks) to exchange information and conduct business activities online, all parties to the transaction need to verify the validity of the certificate of the other party, so as to solve the mutual trust problem. A certificate is a digital signature provided by the certificate authority.KeyThe

The X509 standard defines PKI as an infrastructure that supports public key management and supports authentication, encryption, integrity, and auditable services.P2 mentioned that PKI is an infrastructure. Its goal is to make full use of the theoretical basis of public key cryptography and establish a universally applicable infrastructure, provides comprehensive security services for various network applica

Windows has been providing robust, platform-wide support for public Key Infrastructure (PKI) since Windows 2000. This version contains the first native certification authority feature, introduces autoenrollment, and provides support for smart card authentication. In Windows XP and Windows Server 2003, these features have been extended to provide more flexible enrollment options through version 2 certificate templates, and to support autoenrollment of

With the rapid development of network technology, Internet has become an indispensable part of people's lives, but it also faces installation problems. To ensure that the Internet can transmit data securely, technicians have developed PKI technology. Now let's look at the data signature for PKI. Provides the following functions: Identity Verification: the recipient can confirm the sender's identity Data Int

Copy Code code as follows: //PKI EncryptionUse PKI encryption to open OpenSSL extensions php.ini extension = Php_openssl.dll extension /*pki mode is * Public key encryption, private key decryption; * Private key encryption, public key decryption; */ Private key encryption, public key decryption Client $data data $data = ' ABCD '; Get the private

Microsoft PKI has made many improvements in Windows Server 2008 and has added many features, the first of which is certificate lifecycle management, especially with regard to automatic registration of computers and user certificates. In Windows Server 2008, Certificate Lifecycle Management is enhanced by the use of certificate roaming new features. We will describe this feature later. A more general practice for developers is to link the

Warning: rpmts_hdrfromfdno: Header V3 RSA/sha256 signature, key ID 0608b895: nokey Retrieving key from file: // etc/pki/rpm-GPG/RPM-GPG-KEY-EPEL-6 GPG key retrieval failed: [errno 14] cocould not open/Read File: // etc/pki/rpm-GPG/RPM-GPG-KEY-EPEL-6 Solution not solved: After the source is updated to 163 today, an error is reported during Yum: GPG key retrieval failed: [errno 14] cocould not open/read file

Record how to install mysql-Invalid GPG Key from file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql, mysql-invalidgpg Record problems encountered; Install On aliyunMySQLDue to the last error in uninstalling mysql, the check file has a problem; There are several Processing Methods 1. Download the verification file from the mysql website. 2. Skip verification and record the second type. Edit File/etc/yum.repos.d/mysql-community.repo vi /etc/yum.repos.d/mysql-commu

Current Cisco VPN technologies, such as point-to-point IPsec, IPsec/GRE, DMVPN, GETVPN, and EzVPN, use IKE as underlying protocol for authenticated key exchange. all the vpn technologies of cisco currently use the IKE protocol. The IKE protocol is a hybrid of the Oakley and SKEME protocols and operates inside a framework defined by Internet Security Association and Key Management Protocol(ISAKMP) the IKE protocol itself is a hybrid protocol, which is composed of Oakley and SKEME and ISAKMP. Oakl

One, you may encounter this problem during the Yum installation or upgrade processCould not Open/read File:///etc/pki/rpm-gpg/RPM-GPG-KEY-puiasSee (http://linuxsysconfig.com/2013/03/running-multiple-python-versions-on-centos6rhel6sl6/) in this page:Download and import the RPM GPG keyCd/etc/pki/rpm-gpg/wget http://springdale.math.ias.edu/data/puias/6/x86_64/os/RPM-GPG-KEY-puiasrpm--import Rpm-gpg-key-puiasCa

This article is a PHP in the PKI encryption Technology (OpenSSL) for a detailed analysis of the introduction, the need for a friend reference copy code code as follows: //PKI Encryption//Use PKI encryption to open OpenSSL extensions //php.ini extension = php_openssl.dll extension /*pki mode is * Public key

1. The core of the PKI is the CA2. PKI functions: Authentication authorization Confidentiality Integrity anti-repudiation 3. The theoretical basis of PKI: cryptographyDigital certificatesUse of digital certificatesPKI and related Technologies (1) Cryptography Basic Concepts plaintext: The message the sender will sendCiphertext: PlainText is transformed into seemi

This article is a detailed analysis of the PKI encryption Technology (OpenSSL) in PHP, which requires a friend's reference The code is as follows: generate private key and public key genrsa-out PRIVATE-RSA.PEM rsa-in Private-rsa.pem-pubout-out Pubic-rsa.cer