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check certificate size

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orignal 2017-02-23 22:08:25 -05:00
parent c07928144c
commit 145e36925f
1 changed files with 2 additions and 2 deletions
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4
Identity.cpp
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@ -302,14 +302,14 @@ namespace data
SigningKeyType IdentityEx::GetSigningKeyType () const
{
if (m_StandardIdentity.certificate[0] == CERTIFICATE_TYPE_KEY && m_ExtendedBuffer)
if (m_StandardIdentity.certificate[0] == CERTIFICATE_TYPE_KEY && m_ExtendedLen >= 2)
return bufbe16toh (m_ExtendedBuffer); // signing key
return SIGNING_KEY_TYPE_DSA_SHA1;
}
CryptoKeyType IdentityEx::GetCryptoKeyType () const
{
if (m_StandardIdentity.certificate[0] == CERTIFICATE_TYPE_KEY && m_ExtendedBuffer)
if (m_StandardIdentity.certificate[0] == CERTIFICATE_TYPE_KEY && m_ExtendedLen >= 4)
return bufbe16toh (m_ExtendedBuffer + 2); // crypto key
return CRYPTO_KEY_TYPE_ELGAMAL;
}