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  #1  
Old November 7th, 2003, 02:34 AM
mdurgadevi mdurgadevi is offline
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Unhappy Urgent Help Needed.....!

hello all,

i encrypted a word 'dtovzm' using oracle obfuscation encrypt function and code is

declare

g_key RAW(32767) := Utl_Raw.Cast_To_Raw('12345678');
g_pad_chr VARCHAR2(6) := 'myson';
v_units NUMBER;
v_decrypted VARCHAR2(32767);
p_text VARCHAR2(32767);
v_encrypted RAW(32767);
v_text VARCHAR2(32767);

BEGIN

IF Length('dtovzm') Mod 4 > 0 THEN
v_units := Trunc(Length('dtovzm')/8) + 1;
p_text := RPAD('dtovzm', v_units * 8, g_pad_chr);
END IF;
Dbms_Obfuscation_Toolkit.DesEncrypt(input => Utl_Raw.Cast_To_Raw(p_text),
key => g_key,
encrypted_data => v_encrypted);
Dbms_Obfuscation_Toolkit.DesDecrypt(input => v_encrypted,
key => g_key,
decrypted_data => v_decrypted);
dbms_output.put_line(RTrim(Utl_Raw.Cast_To_Varchar2(v_decrypted), g_pad_chr));

END;
/


but ,by decrypting the word 'dtovzm' i am getting 'dtovz' only.
here the the padding character is 'myson'.
the word containg last letter 'm' is not decrypting ,please help me why it is not decrypting .......


you can post the reply to URL also.
thank you ...

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  #2  
Old November 7th, 2003, 05:44 PM
shafique shafique is offline
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There is nothing wrong in your code, just take a look at this line that you have written at the end of your code:

dbms_output.put_line(RTrim(Utl_Raw.Cast_To_Varchar2(v_decrypted), g_pad_chr));

RTRIM (<c1>,<c2>) function takes two arguments, where c1 and c2 are character strings. This function returns c1 without any trailing characters that appear in c2. If no c2 character are triling character in c1, then c1 is returned unchanged. c2 defaults to a single space.

now run this query:

select RTRIM('dtovzm','myson') from dual
/

now store '######' to g_key_chr and then run your code.


what you got !!!!!!!!!!!

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  #3  
Old November 10th, 2003, 03:37 AM
mdurgadevi mdurgadevi is offline
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Thank You

i got it....thank you..

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