%DECRYPT() function
Decrypt a characeter string.
This function is valid for request parameter name, request parameter value, CSV column name, CSV column value and success string at prologue, CSV upload, epilogue.
Return valuevalue type 
1st arg.character string typeCurrently only "DES_CBC"
2nd arg.character string typeCBC initial value. 8 byte length ASCII string.
3rd arg.character string typeDES key string. 8, 16, 24, 32 byte length ASCII string.
4th arg.character string typeCharacter string to decrypt.
%DECRYPT(DES_CBC, ABCDEFGH, IJKLMNOP, %COLUMN%)%