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Add length check for CExtKey deserialization

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Github-Pull: #11081
Rebased-From: 07685d1bc1
Tree-SHA512: 7f6b9ca6714d059d500531eb842c1c25edfa04ecba0ea1d9a28010fced657c066cea67d2016bbaa9b96c431a05ca9c0dcf2ba301898ecf96a65a4e01aac7fae9
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Jonas Schnelli 2017-08-17 21:54:23 +02:00 committed by Wladimir J. van der Laan
parent 6c2b0085fb
commit 9fe1f6bd89
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1 changed files with 2 additions and 0 deletions
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src/key.h
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@ -172,6 +172,8 @@ struct CExtKey {
{
unsigned int len = ::ReadCompactSize(s);
unsigned char code[BIP32_EXTKEY_SIZE];
if (len != BIP32_EXTKEY_SIZE)
throw std::runtime_error("Invalid extended key size\n");
s.read((char *)&code[0], len);
Decode(code);
}