Encode and Decode String for security reason in SAP

SAP provides standard Utility class CL_HTTP_UTILITY which provides methods that can be used to encode and decode string for security reasons.
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PARAMETERS : p_string TYPE string.
DATA : lv_encode_str TYPE string,                        
           lv_decode_str TYPE string.
WRITE :/ 'Plain String :', p_string.

CALL METHOD cl_http_utility=>if_http_utility~encode_base64   EXPORTING    unencoded = p_string    " Unencoded String  RECEIVING    encoded   = lv_encode_str.    " BASE64-Encoded String

WRITE :/ 'Encoded String:', lv_encode_str COLOR 5.

CALL METHOD cl_http_utility=>if_http_utility~decode_base64   EXPORTING    encoded = lv_encode_str    " BASE64-Encoded String   RECEIVING    decoded = lv_decode_str.    " Decoded string

WRITE :/ 'Decoded Sing:', lv_decode_str COLOR 3.

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 Here is the program. Execute.

 Run.

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