RE: InvertibleRSAFunction: computational error during private key operation

Fri, 10 Sep 2004 10:52:05 -0700 

Hi Alexander,

Shooting from the hip, are intInput and priv relatively prime?
 
Jeff

Jeffrey Walton
[EMAIL PROTECTED]
Network Engineer


From: Pecherin, Alexander [mailto:[EMAIL PROTECTED] 
Sent: Friday, September 10, 2004 8:34 AM
To: [EMAIL PROTECTED]
Subject: InvertibleRSAFunction: computational error during private key
operation


Hi all, 

When i try to execute such simple code: 
  
  RSA::PrivateKey priv; 
  priv.Initialize(randPool, 384); 
  
  byte input[48]; 
  memset(input, 255, 48); // if you try "memset(input, 1, 48);" it will be
ok 
  
  Integer intInput((byte*)input, 48); 
  Integer intOutput = priv.CalculateRandomizedInverse(randPool, intInput); 

i get exception "InvertibleRSAFunction: computational error during private
key operation" in InvertibleRSAFunction::CalculateInverse. If i try to use
small input number (like memset(input, 1, 48)), it works fine.

i think that code does not satisfy some conditions, but what is it ? 

Thanks and regards, 
Alexander Pecherin

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