Tag Archives: how to encrypt text

how to write encrypt text content in RedHat Linux server part -1

hello guys today we will learn how to write encrypt text. actually encrypt matter is provide security our data .if we will write encrypt content then anybody con’t read our data or content . Linux Server in have many encrypted method here we will discuss some method  encrypt text

Step 1 here i encrypt some numeric digit for eg. 7297868765

[root@localhost exp]# echo "7297868765" |tr '0-9' '9876543210' >e.txt (Note- here i encrypt 7297869765 numeric and
 this digit is  encrypt matter in put in e.txt file)

if we want look e.txt file then we look encrypt numeric content

[root@localhost exp]# cat e.txt
2702131234  

now we want to receive original data then we fire below commands

[root@localhost exp]# echo "27021311234" |tr '0-9' '9876543210' >f.txt (Note- Here we will put encrypt file content)
[root@localhost exp]# cat f.txt 
72978688765

Step 3 now we will encrypt text matter below commands

[root@localhost exp]# echo "hello this is file content encrypt Demo "|tr 'a-zA-Z' 'nza-mN-ZA-M' >a.txt
[root@localhost exp]# ls
a.txt
[root@localhost exp]# cat a.txt
fcjjm RfgQ gQ dgjc amlRnlR claPWNR Bckm
[root@localhost exp]# echo "fcjjm rfgQ gQ dgjc amlRn1R claPWNR Bckm "|tr 'a-zA-Z' 'nza-mN-ZA-M' >b.txt (Note- Here we will put encrypt file content)
[root@localhost exp]# ls
a.txt  b.txt
[root@localhost exp]# cat b.txt
hello this is file content encrypt demo

4 Here we will learn how to encrypt numeric and text

[root@localhost exp]# echo "Hello my name is vishnu my mobile is 7297868765"|tr 'a-zA-Z0-9' 'n-za-mN-ZA-M9876543210' >a.txt
[root@localhost exp]# ls
a.txt
[root@localhost exp]#cat a.txt
Uryyb zl anzr vf ivfuah zl zbovyr vf 2702131234
(Note-if we want decrypt contant .then we will put encrypt code )
[root@localhost exp]# echo "Uryyb zl anzr vf ivfuah zl zbovyr vf 2702131234"|tr 'a-zA-Z0-9' 'n-za-mN-ZA-M9876543210' >b.txt
[root@localhost exp]# ls
a.txt b.txt
[root@localhost exp]# cat b.txt
Hello my name is vishnu my mobile is 7297868765

if you have any problem in this process please comment here i will solve your problem otherwise like share and follow my website

Thank you

by Vishnu Sharma

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