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How To use XP_CRYPT GUI
Introduction
What is XP_CRYPT
System requirements
Free version limitations
End user license agreement
Installing XP_CRYPT
Installation procedure
Activation
XP_CRYPT API
What's new
Encryption methods overview
Session
xp_crypt_set_var
xp_crypt_get_var
xp_crypt_close_session
xp_crypt_init_session
xp_crypt_set_option
Asymmetric keys
DSA
xp_dsa_free_key
xp_dsa_load_key
xp_dsa_save_key
xp_dsa_generate_couple
RSA
xp_rsa_generate_couple
xp_rsa_generate_pub_key
xp_rsa_load_key
xp_rsa_priv_dec
xp_rsa_pub_enc
xp_rsa_save_key
xp_rsa_free_key
Digital signatures
DSA
xp_dsa_verify
xp_dsa_sign
RSA
xp_rsa_sign
xp_rsa_verify
Hashing
xp_crypt
xp_md5
xp_sha1
Symmetric encryption
AES128
xp_aes128_decrypt
xp_aes128_encrypt
AES
xp_aes_decrypt
xp_aes_encrypt
DESX
xp_desx_decrypt
xp_desx_encrypt
RC4
xp_rc4_decrypt
xp_rc4_encrypt
Triple DES
xp_des3_encrypt
xp_des3_decrypt
Error codes
Tutorial
How to use GUI
Advanced technique (Old)
Table encryption (Old)
Troubleshooting
Troubleshooting overview

xp_desx_encrypt

Encrypts data with the given password and a key by DESX algorithm.

Syntax

xp_desx_encrypt  { variable1 [, variable2 , variable3 ...] , password, key,  encrypted_text OUTPUT }

Arguments

variable1 [, variable2 , variable3 ...]

Variables which need to be encrypted

password

VARCHAR. Your hard password.

key

VARCHAR. Initializing key. Any random string you like. It must be exactly 8 chars.

clear_text 

VARCHAR or VARBINARY. Variable for holding the output. 

Permissions

Execute permissions default to the public role.

Return Code Values

0 - success, or Error code if failed. encrypted_text IS NOT NULL  (success) or IS NULL (failure) 

Example
declare @encrypted varchar(8000)
declare @return_code int

exec xp_desx_encrypt 'clear','MyPassword','12345678',@encrypted OUTPUT
exec @return_code = xp_desx_decrypt @encrypted ,'MyPassword','12345678',@encrypted OUTPUT
if @return_code != 0
begin
raiserror ('DESX encryption failed!',16,10)
end

 
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