Encryption And Decryption

Encryption And Decryption

Encryption And Decryption:

1.      md5(string) : function used to encrypting the string to 32 bit hexa decimal format.

<?php

Echo strtoupper(md5(“india”));

?>

OutPut

       B4E12645C1CA6D4A5AD8EB1FE8ACE880

2.      sha1(string) : calculate the sha1 hash of a string.

3.      Crc32(string) : calculate the crc32 polynomial of a string.

<?php

Echo crc32("Inidia");

?>

OutPut:

955083134

4.      Crypt(string) : encodes the data as 34 character length with alpha numeric and special characters.

<?php

Echo crypt("India");

?>

OutPut :

$1$rW4.YU..$sRmZRxWrZ1g7QOa/VTl27/

5.      Base64_encode(string) :

6.      Base64_dencode(encrypted data)

<?php

$ecnode_data = base64_encode("India");

echo "encode data ".$ecnode_data."<br>";

$org_data = base64_decode($ecnode_data);

echo "decoded data ".$org_data;

?>

OutPut:

encode data SW5kaWE=

decoded data India

encryption and decryption,encryption and decryption algorithms,encryption and decryption algorithm,algorithm for encryption and decryption,encryption and decryption of data.