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Bittrex trading memory corruption fix #19

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Merged
Mrs-X merged 1 commit into from
Dec 25, 2016
Merged

Bittrex trading memory corruption fix #19

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3 changes: 2 additions & 1 deletion src/qt/tradingdialog.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -926,7 +926,8 @@ QString tradingDialog::HMAC_SHA512_SIGNER(QString UrlToSign, QString Secret)

// Be careful of the length of string with the choosen hash engine. SHA1 produces a 20-byte hash value which rendered as 40 characters.
// Change the length accordingly with your choosen hash engine
char mdString[128];
// Update: and 0-terminate it!
char mdString[129] = { 0 };

for(int i = 0; i < 64; i++){
sprintf(&mdString[i*2], "%02x", (unsigned int)digest[i]);
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