ruby中的加密解密

1.  
   1. OpenSSL::Cliper
   2. MD5
   3. Base64
   4. uri
   5. sha1

 

 class Des
   require 'openssl'
   require 'base64'
   ALG = 'DES-EDE3-CBC'
   KEY = "mZ4Wjs6L"
   DES_KEY = "nZ4wJs6L"

   #加密
   def encode(str)
     des = OpenSSL::Cipher::Cipher.new(ALG)
     des.pkcs5_keyivgen(KEY, DES_KEY)
     des.encrypt
     cipher = des.update(str)
     cipher << des.final
     return Base64.encode64(cipher) #Base64编码，才能保存到数据库
   end

   #解密  
   def decode(str)
     str = Base64.decode64(str)
     des = OpenSSL::Cipher::Cipher.new(ALG)
     des.pkcs5_keyivgen(KEY, DES_KEY)
     des.decrypt
     des.update(str) + des.final
   end
 end

  require 'pp'
  des = Des.new
  str = '1234567890123456'
  pp '=====encrypt====='
  str = des.encode(str)
  pp str

  pp  '=====decrypt====='
  pp des.decode(str)

 

#md5加密
require 'md5' 
puts MD5.hexdigest('admin') 

 

 #加密 
 str = '123456'
 str = Base64.encode64(str) #=> MTIzNDU2\n
 #解密
 str = '123456'
 str = Base64.encode64(str) #=> MTIzNDU2\n
 str = Base64.decode64(str) #=> 123456

 

src = 'abc编码asdf'
code = URI.encode src
src = URI.decode code
puts code
puts src

 

require 'digest/sha1'
puts Digest::SHA1.hexdigest('') 

 

 

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