Tt va kt fakulteti

11-Amaliy ishi

1. 
   OpenSSLni shaxsiy kompyuteringizga o‘rnating.
   
   1. 
      openssl-0.9.8h-1-setup.exe faylni o‘rnating.
      
   2. 
      O’rnatilgan_manzil/bin katalogiga o‘tang.
      
   3. 
      openssl.exe faylini ustiga sichqonchani ikki marta bosing (Windows 7 dan keyingi OTlar bo‘lsa tizim ma’muri nomidan yuklang).
      
2. 
   man/pdf/openssl-mal.pdf fayl bilan tanishib chiqing.
   
3. 
   2048 bitli RSA kalitlar juftini hosil qiling.
   
   1. 
      openssl> genrsa -out mykey.pem 2048
      
4. 
   Hosil qilingan kalitni ko‘rish uchun uni matn ko‘rinishiga o‘tkazing.
   
   1. 
      openssl> rsa -in mykey.pem -text -out mykey.txt
      
   2. 
      Tahlil qilish jarayonida har bir kattaliklarni izohlang.
      
5. 
   Ba’zi matn olib uni shifrlab/deshifrlab va imzolab/imzoni tekshirib ko‘ring.
   
   1. 
      openssl> rsautl -encrypt -inkey mykey.pem -in myplain.txt -out mycipher
      
   2. 
      openssl> rsautl -decrypt -inkey mykey.pem -in mycipher -out mycipher.dec
      
   3. 
      opensll>rsautl –sign –inkey mykey.pem –in myplain.txt –out myplain.txt.rsa
      
   4. 
      openssl rsautl –verify –inkey mykey.pem –in myplain.txt.rsa –pubin
      
6. 
   “myconfig.txt” nomli faylni yarating.
   

7. 
   Quyidagi buyruq asosida X.509 sertifikatini hosil qiling:
   
   1. 
      openssl req -config myconf.txt -new -x509 -key mykey.pem -out mycert.pem
      
8. 
   Quyidagi buyruq asosida X.509 sertifikatini ko‘rib, sertifikat egasini, kalit uzunligini va kim tomonidan imzolanganini ayting?
   
   1. 
      openssl x509 -in mycert.pem -text -out mycert.txt
      

1. 
   PKCS12 buyrug‘i bilan tanishib, maxfiy kalitni parolb yordamida himoyasini ta’minlang.
   
2. 
   passwd buyrug‘i asosida parolni turli tartibda xesh – qiymatini hisoblang.
   
3. 
   rand buyrug‘dan foydalangan holda tasodifiy qiymatlarni generatsiya qiling.