top crypto currencies

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Javaio--java How to read the property file inside the jar bundle itself __java

program shows the name, size, and size of the content in the jar file you specified (which is somewhat similar to specifying "T" and "V" options when using the jar command).           Import java.io.*; Import java.util.*; Import java.util.jar.*; public class Jardir {public static void Main (String args[]) throws IOException { if (Args.len      Gth!= 1) { System.out.println ( "Please provide a JAR filename"); System.exit ( -1); } jarfile jarfile = new Jarfile (args[0]); enumeration enu

IPSec for network security (continued Cisco device implementation)

Case topology Map Cisco (3640) realizes Step 1: The basic configuration of a router A (config) #do Sho run Building configuration ... Current configuration:1410 bytes ! Version 12.4 Service Timestamps Debug DateTime msec Service Timestamps log datetime msec No service password-encryption ! Hostname A ! Boot-start-marker Boot-end-marker ! ! No AAA New-model Memory-size Iomem 5 ! ! IP CEF No IP domain Lookup IP domain name lab.local !

Configuring IPSEC-Routers to PIX Firewalls

This document describes the IPSec configuration between the router and the Cisco firewall. The traffic between the headquarters and the branch office uses the private IP address, when the branch's local area network user accesses the Internet, needs to carry on the address conversion. Network topology Configuration Define the traffic to the router: Access-list IPSec permit IP 10.1.1.0 255.255.255.0 10.2.2.0 255.255.255.0 !---traffic to the router does not address conversion Access-list Nonat Per

Nodejs encryption Algorithm (RPM)

1, hash Algorithm encryption:To create a Nodejs file Hash.js, enter the following:1 var crypto = require (' crypto '); Load Crypto Library 2 Console.log (Crypto.gethashes ()); Printing supported hash algorithmsThe results are as follows:1 [' DSA ', 2 ' Dsa-sha ', 3 ' Dsa-sha1 ', 4 ' Dsa-sha1-old ', 5 ' RSA-MD4 ', 6 ' Rsa-md5 ', 7 ' RSA-MDC2 ' , 8 '

Go language RSA uses the Generate public key key, go uses RSA encryption to decrypt

Package main import ("Crypto/rsa" "crypto/x509" "Encoding/pem" "Crypto/rand" "Flag" "Log" "OS") Func main () { var bits int flag. Intvar (bits, "B", 2048, "key length, default 1024-bit") if err: = Genrsakey (bits); Err! = Nil {log. Fatal ("Key file generation failed. ")} log. PRINTLN ("Key file generation succeeded. ")} func Genrsakey (bits int) error {//Generate

Site to site VPN

Tags: IPSEC VPNThe topology is as followsHQ LANConfigured as followsHeadquarters hq!IP Access-list Extended S2SPermit IP 192.168.11.0 0.0.0.255 192.168.12.0 0.0.0.255!!Crypto ISAKMP Policy 10ENCR 3DESHash MD5Authentication Pre-shareGroup 5Crypto ISAKMP key Cisco address 202.202.202.1!!Crypto IPSec Transform-set Mytran esp-3des Esp-md5-hmac!Crypto map MYMAP IPSEC-

Balance revaluation (Revaluation balances) related settings and actions

revaluation name: USD Revaluation 2 Input Description 3 Select all currencies or a single currency, in the case of a single currency, you need to enter a currency. 4 Select exchange rateA) Period Rates (Period exchange rate): If you select it, you must set the exchange rate during the revaluation. Path: Gl->setup->currencies->rates->periodNote: The revaluation period exchange rate is not set, and the "Prog

POJ-2240 Arbitrage (Shortest path Floyd algorithm && Bellman-ford algorithm)

ArbitragePOJ-2240 Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one UN It's the same currency. For example, suppose that 1 US Dollar buys 0.5 British pound, 1 British pound buys 10.0 French francs, and 1 French franc Buys 0.21 US dollar. Then, by converting currencies, a clever trader can start with 1 US dollar and buy 0.5 * 10.0 * 0.21 = 1.05 US dollars, MA King a profit of 5 perce

Add a custom encryption algorithm and OpenSSL encryption algorithm to openssl.

Add a custom encryption algorithm and OpenSSL encryption algorithm to openssl. I. Introduction This document introduces how to add a custom encryption algorithm to OpenSSL by taking the custom algorithm EVP_ssf33 as an example. Step 2 1. Modify crypto/object/objects.txt and register the algorithm OID as follows: rsadsi 3 255 : SSF33 : ssf33 2. Go to the directory: crypto/object/and run the foll

Master advanced Linux setup of the simplest VPN System

. ipv4.ip _ forward = 0 => 1 Net. ipv4.conf. default. rp_filter = 1 => 0 2. Pix configuration file (VPN part ): Access-list inside_outbound_nat0_acl permit ip "Nanjing IP segment" 255.255.255.0 "the IP segment of the company VPN user" 255.255.255.255.0 Access-list outside_cryptomap_20 permit ip "Nanjing IP segment" 255.255.255.0 "the IP segment of the company VPN user" 255.255.255.0 Nat (inside) 0 access-list inside_outbound_nat0_acl Sysopt connection permit-ipsec

PHP uses OpenSSL for RSA Long Data Encryption (117) decryption (128) and DES encryption decryption

PHP uses OpenSSL for RSA encryption, if the plaintext to be encrypted is too long error, workaround: Encrypt the time 117 characters to encrypt once, and then all the cipher stitching into a cipher text, the decryption time needs 128 characters to decrypt, and then splicing into data.Encryption:/** * Encryption * @param $originalData * @return string|void * //*function Encrypt ($originalData) { if (Openssl_private_encrypt ($originalData, $encryptData, $this->rsaprivatek

I haven't written a blog for a long time. I 've written some bad stuff before. Sorry. This time I will introduce some new features of quick-x quick-cocos2d-x.

Quick-x Data Encryption I. Data Encryption As long as quick encapsulation is used Local crypto = require ("framework. crypto") -- algorithm encryption and decryption To make Function crypto. encryptxxtea (plaintext, key)Plaintext = tostring (plaintext)Key = tostring (key)Return cccrypto: encryptxxtea (plaintext, String. Len (plaintext), key, String. Len (key ))

Calculate the MD5 value of a file or segment

Label: style blog color OS ar SP file Div on // Calculate the text content md5qbytearray gapptextchecksum (const qstring text) {qcryptographichash crypto (qcryptographichash: MD5); crypto. adddata (text. tolocal8bit (); Return crypto. result (). tohex () ;}// calculate the md5qbytearray gappfilechecksum (const qstring filepath) {qcryptographichash

Java and. Net (C #) DES encrypt and decrypt each other.

Perform DES encryption and decryption on 16-bit hexadecimal strings. -Des encryption tool is successfully used. Java and C # code. Mutual encryption and decryption, Java code: (two methods) First: Package COM. FHK. decrypt; import Java. security. spec. keyspec; import javax. crypto. cipher; import javax. crypto. secretkey; import javax. crypto. secretkeyfactory

The md5.digest. endian of as3corelib should be little_endian.

%97%E8%8A%82%E5%BA%8F) on different platforms, so rfc1321 wrote the encode/decode function in its "Appendix A-reference implementation, specify that md5.digest should use little_endian. /* Encodes input (UINT4) into output (unsigned char). Assumes len is a multiple of 4. */static void Encode (output, input, len)unsigned char *output;UINT4 *input;unsigned int len;{ unsigned int i, j; for (i = 0, j = 0; j The MD5 Wikipedia page mentioned above also has a line of code comment that should be in

Digital envelope encryption technology (algorithms combined with RSA and DES)

Digital envelope encryption technology (algorithms combined with RSA and DES) This algorithm combines the advantages of DES and RSA. Principle: !. The sender uses the des key to encrypt important data. 2. the sender uses the RSA public key to encrypt the des key. 3. Send messages 4. After receiving the message, the receiver uses the RSA private key to decrypt the encrypted des key. 5. The receiver uses the RSA key to decrypt the decrypted des key to decrypt important data. In this article, we f

Add a custom encryption algorithm to OpenSSL

Add a custom encryption algorithm to OpenSSL I. Introduction This document introduces how to add a custom encryption algorithm to OpenSSL by taking the custom algorithm EVP_ssf33 as an example. Step 2 1. Modify crypto/object/objects.txt and register the algorithm OID as follows: Rsadsi 3 255: SSF33: ssf33 2. Go to the directory: crypto/object/and run the following command to generate the algorithm declarati

Mining virus qw3xt. 2 Final Solution

Transferred from: 82347473 1. CPU 100%, use top to view CPU 2. Delete the CPU or 100% of the process. 3. It is estimated that the process is hidden. 4. One execution task is added to the scheduled task. 5: Open the connection https://pastebin.com/raw/xbY7p5Tb to get the following content 6: Open the https://pastebin.com/raw/uuYVPLXd, found a base64 encoded string, 7. Use base64 to decode the content and obtain the following script content. #! /Bin/bash Shell =/bin/sh Path =/usr/local/sb

Android encryption and decryption string details

Encryption and decryption string: Copy codeThe Code is as follows: package eoe. demo; Import java. security. SecureRandom; Import javax. crypto. Cipher; Import javax. crypto. KeyGenerator; Import javax. crypto. SecretKey; Import javax. crypto. spec. SecretKeySpec; /** * Usage: * * String

Java encryption and digital signature Programming

password. It can be used to hide and save plaintext messages (such as passwords ).*/Public class MessageDigestExample {Public static void main (String [] args) throws Exception {If (args. length! = 1 ){System. err. println ("Usage: java MessageDigestExample text ");System. exit (1 );} Byte [] plainText = args [0]. getBytes ("UTF8 "); // Use getInstance ("algorithm") to obtain the message digest. Here the SHA-1 160-bit algorithm is used.MessageDigest messageDigest = MessageDigest. getInstance ("

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