Modify SUB_ENCRYPT and SUB_DECRYPT to take custom encoding data
Add an option "WITH <encoding_data_file>" clause. The file of encoding data will provide salts and/or other encoding methods to replace the built-in values and methods used for encryption and decryption.
rdnielsen 
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Add an option "WITH <encoding_data_file>" clause. The file of encoding data will provide salts and/or other encoding methods to replace the built-in values and methods used for encryption and decryption.