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Use correct key block length when computing KEK. (#1144)

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Jonathan Hui
2017-01-13 11:48:03 -08:00
committed by GitHub
parent d841a7c059
commit 36f044fa8c
1 changed files with 1 additions and 1 deletions
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src/core/meshcop/dtls.cpp
+1 -1
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@@ -345,7 +345,7 @@ int Dtls::HandleMbedtlsExportKeys(const unsigned char *aMasterSecret, const unsi
Crypto::Sha256 sha256;
sha256.Start();
sha256.Update(aKeyBlock, static_cast<uint16_t>(aMacLength + aKeyLength + aIvLength));
sha256.Update(aKeyBlock, 2 * static_cast<uint16_t>(aMacLength + aKeyLength + aIvLength));
sha256.Finish(kek);
mNetif.GetKeyManager().SetKek(kek);