APEX_UTIL.GET_BLOB does anyone know how to calculate the checksum?

Hi!
Does anyone know how to calculcate the checksum for the APEX_UTIL.GET_BLOB-Link?
<a href="apex_util.get_blob?s=2040766138999284&a=500&c=2963523354500419&p=7030&k1=1841200&k2=&ck=E369F782D77061F0FEAC0BB42EC5E63B&rt=IR">
  <img width="30px" src="wwv_flow_file_mgr.get_file?p_security_group_id=2444012387079848&p_fname=download.png">
</a>the "ck" parameter: ck=E369F782D77061F0FEAC0BB42EC5E63B
Thx!
PS: Yes I know the APEX_UTIL.GET_BLOB_FILE_SRC-Function, but I like the easy way, that's why I am using APEX ;)

What is your apex version??
DF777 wrote:
Hi!
Does anyone know how to calculcate the checksum for the APEX_UTIL.GET_BLOB-Link?Try wraping your above API call with APEX_UTIL.PREPARE_URL
http://docs.oracle.com/cd/E37097_01/doc/doc.42/e35127/apex_util.htm#CDEIBCJD
<a href="apex_util.get_blob?s=2040766138999284&a=500&c=2963523354500419&p=7030&k1=1841200&k2=&ck=E369F782D77061F0FEAC0BB42EC5E63B&rt=IR">
<img width="30px" src="wwv_flow_file_mgr.get_file?p_security_group_id=2444012387079848&p_fname=download.png">
</a>the "ck" parameter: ck=E369F782D77061F0FEAC0BB42EC5E63B
Thx!
PS: Yes I know the APEX_UTIL.GET_BLOB_FILE_SRC-Function, but I like the easy way, that's why I am using APEX ;)you mean that this api is not easy??

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