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Encryption and decryption of RSA cipher

through a URL return $encrypted; }*/Public Function Privateencrypt ($data) {//Openssl_private_encrypt ($data, $encrypted, $this->pi_key); $crypto = "; foreach (Str_split ($data, 117) as $chunk) {Openssl_private_encrypt ($chunk, $encryptData, $this->pi_key); $crypto. = $encryptData; } $encrypted = $this->urlsafe_b64encode ($crypto);//The encrypted content u

RSA of Golang Encryption series

This is a creation in Article, where the information may have evolved or changed. Golang Encryption series of the last article, well, RSA involves too many concepts, it took a long time to figure out ... The structure of the code is as Ps:staruml this thing on Mac all the lines that connect to interface become straight ... I am very melancholy ... Define an Open Interface Package Rsaimport "Crypto" type Cipher interface {Encrypt (plaintext []byte) (

[VPN Series 6] comparison of Dmvpn instances in cisco dual-center single cloud and dual-center dual cloud Redundancy Design

VPN Series 6: Comparison of Dmvpn instances in cisco dual-center single cloud and dual-center dual cloud Redundancy Design Prerequisites Router ios version 650) this. width = 650; "border =" 0 "alt =" "src =" http://www.bkjia.com/uploads/allimg/131227/0J2225H1-0.jpg "/> The show crypto results are different due to inconsistent versions of the previous version. This time, the same version is used to ensure accurate and consistent results. I, "Dual-cen

The process of implementing IPSec VPN based on routers

Many people ask me how to implement IPSec VPN technology, and I've done a case to show you how to configure a router-based IPSec VPN. Due to work needs, the company's Nanjing office and the Shanghai office to establish a VPN connection. Nanjing Office Network settings: Intranet IP 10.1.1.0/24, extranet IP 202.102.1.5/24, Shanghai office network settings: Intranet IP 10.1.2.0/24, external network IP 202.102.1.6/24. The following configuration steps are performed on both sides of the router: I.

Configure Cisco ios easy vpn Server and Cisco VPN Client

Two physical hosts are used to simulate the company and home network respectively. Both physical hosts are connected to a TP-link home Broadband Router to simulate the Internet environment. Two virtual NICs are bound to one vmwarevm respectively. The purpose is to achieve access between two vmwarevms through VPN.Company network topology650) this. width = 650; "src =" ../attachment/201209/215639928 .png" border = "0" alt = ""/>The company router configuration is as follows: Building configuration

Traditional GRE Over IPSEC (CIDR block to CIDR Block) (1)

650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/05062443b-0.png "title =" GRE Over ipsec ).png "/> GRE Over IPSec, as the name suggests, is to establish a GRE tunnel on the IPSec interface, while an IPSec Encryption mode is tunnel mode to encrypt the network segment to the network segment ), this is the GRE tunnel built on the IPSec encrypted CIDR block. ======================================== R0 Configuration: ============================================

Java password encryption and decryption

The following two classes can easily encrypt and decrypt strings: Encryption: crypthelper. Encrypt (password) Decryption: cryphelper. decrypt (password) The Code is as follows: Cryptutils. Java Package COM. gdie. lab. crypt; import Java. io. ioexception; import javax. crypto. cipher; import javax. crypto. keygenerator; import javax. crypto. secretkey; import com

Android des aes MD5 Encryption

Android des aes MD5 Encryption AES encryption: Package com. example. encrypdate. util; import java. io. unsupportedEncodingException; import java. security. invalidKeyException; import java. security. noSuchAlgorithmException; import java. security. secureRandom; import javax. crypto. badPaddingException; import javax. crypto. cipher; import javax. crypto. illeg

Python rsa encryption and decryption, pythonrsa

privatefile: p = privatefile. read () print (type (p) privkey = rsa. privateKey. load_pkcs1 (p. encode ('utf-8') # use the public key to encrypt and then use the private key to decrypt crypto = rsa. encrypt (message. encode ('utf-8'), pubkey) print (crypto) print ("---- 5 ----") print ('crypto: ', type (crypto )) prin

Node. js-php and nodejs encrypted data Interconnection

The following is an example of the Code for encryption and decryption in nodejs: {code...} How can php write the corresponding encryption and decryption code? It is required that the encrypted data such as Gpkr1WGBFhMvNdHr0eaBg can also be decrypted to nodejs. The following is an example of the Code for encryption and decryption of nodejs: #! /Usr/bin/env node var crypto = require ('crypto'); // decrypt fu

How php3DES encryption is compatible with Java

Java source code: {code...} Source: www. cnblogs. commailin... Java source code: Import java. security. security; import javax. crypto. cipher; import javax. crypto. secretKey; import javax. crypto. spec. secretKeySpec; public class ThreeDES {private static final String Algorithm = "DESede"; // defines the encryption Algorithm. DES, DESede, Blowfish // keybyte c

JAVA and. net des encryption and decryption

[To] original address: http://www.cnblogs.com/prince3245/archive/2010/03/23/1692630.html JAVA and. net des encryption and decryption A project was created a few days ago, which requires DES encryption between the two systems. One system is developed for JAVA, and the other one is developed for. Net. I found a lot of writing methods on the Internet, but the encrypted data cannot be matched between the two systems, I can use it after making a small modification and have tested it. JAVA version Imp

Ansible installation error sorting

1. An error occurred while calling the ansible command after installation. Successfully installed ansible Cleaning up... [[Email protected] python_src] # ansible -- version Traceback (most recent call last ): File "/usr/bin/ansible", line 25, in From ansible. Runner import runner File "/usr/lib/python2.6/Site-packages/ansible/runner/_ init _. py", line 55, in From crypto. Random import atfork File "/usr/lib64/python2.6/Site-package

Manually start the fabric example MARBLES02

Prerequisite: The first-samples has been downloaded, and fabric1.0 has been downloaded. 1: Enter the First-samples directory Execute Cryptogen generate--CONFIG=./CRYPTO-CONFIG.YAML, generate a certificate for two org 2: first, we need to set an environment variable to specify where Configtxgen should look for the Configtx.yaml configuration file :Implementation: Export Fabric_cfg_path= $PWD 3: Then we will call the Configtxgen tool that will create t

Configuration of the EZVPNserver In the PIX Firewall

,ConfigurationISAKMP policy.Pixfirewall (config) # crypto isakmp enable outsidePixfirewall (config) # crypto isakmp policy 10 authentication pre-sharePixfirewall (config) # crypto isakmp policy 10 encryption 3desPixfirewall (config) # crypto isakmp policy 10 hash shaPixfirewall (config) #

Study Notes for Linux Security System II: OpenSSL source code analysis (1)

The source code of OpenSSL consists of three parts: the encryption algorithm library, the SSL library, and applications. The source code of the encryption algorithm library is mainly in the crypto folder, including the ASN.1 encoding and decoding interface (crypto/asn1/asn1.h) and the pseudo random number generator (crypto/rand. h), ENGINE mechanism (

Build an L2L VPN between a vrodvdvti and a vro with the same PAT Device

0.0.0.0 10.1.1.2② R2Ip route 0.0.0.0 0.0.0.0 202.100.1.3Ip route 192.168.1.0 255.255.255.0 10.1.1.1③ R4Ip route 0.0.0.0 0.0.0.0 202.100.2.3Ip route 192.168.2.0 255.255.255.255.0 255.1.1.5 Ip route 192.168.3.0 255.255.255.0 30.1.1.6 ④ R5Ip route 0.0.0.0 0.0.0.0 255.1.1.4 ⑤ R6Ip route 0.0.0.0 0.0.0.0 30.1.1.4 B. Dynamic PAT Configuration:① R2Ip access-list extended 100Permit ip 192.168.1.0 0.0.255 anyPermit ip 10.1.1.0 0.0.255 anyInt e0/0Ip nat insideInt e0/1Ip nat outsideIp nat inside source lis

Currently, ASA8.4 VPN test series I: IKEv1 L2L

Outside!Boot-start-markerBoot-end-marker!Enable password cisco!No aaa new-modelMemory-size iomem 25Ip cef!!!!No ip domain lookup!Multilink bundle-name authenticated!!!!!ArchiveLog configHidekeys!!Crypto isakmp policy 10Authentication pre-shareCrypto isakmp key cisco address 202.100.1.10!!Crypto ipsec transform-set cisco esp-des esp-md5-hmac!Crypto map cisco 10 i

Solve the problem of AES decryption failure in Linux

Solve the problem of AES decryption failure in Linux. description: encryption and decryption on windows are normal, while encryption on linux is normal. the following exception occurs during decryption: javax. crypto. badPaddingException: Givenfinalblocknotproperlypaddedatcom. s... description: In windows, encryption and decryption are normal, while in linux, the following exception occurs: javax. crypto. b

OpenSSL ECC algorithm

The ECC algorithm implemented by OpenSSL includes three parts: ECC algorithm (CRYPTO/EC), Elliptic Curve Digital Signature Algorithm ECDSA (CRYPTO/ECDSA) and Elliptic curve key exchange algorithm ECDH (CRYPTO/DH). Key data Structure The key data structure is defined in the Openssl-1.1.0c\crypto\ec\ec_lcl.h file. struct

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