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extract public key from ceritificate

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orignal
2014-12-13 15:01:08 -05:00
parent d6fe4556fb
commit b399d45d66
3 changed files with 26 additions and 19 deletions
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20
Reseed.cpp
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@@ -375,6 +375,7 @@ namespace data
signature.SkipAll();
// issuer
std::string name;
CryptoPP::BERSequenceDecoder issuer (tbsCert);
{
CryptoPP::BERSetDecoder c (issuer); c.SkipAll();
@@ -388,9 +389,7 @@ namespace data
{
CryptoPP::BERGeneralDecoder ident(attributes, CryptoPP::OBJECT_IDENTIFIER);
ident.SkipAll ();
std::string name;
CryptoPP::BERDecodeTextString (attributes, name, CryptoPP::UTF8_STRING);
LogPrint (eLogInfo, "Issuer name: ", name);
}
}
}
@@ -403,6 +402,23 @@ namespace data
subject.SkipAll();
// public key
CryptoPP::BERSequenceDecoder publicKey (tbsCert);
{
CryptoPP::BERSequenceDecoder ident (publicKey);
ident.SkipAll ();
CryptoPP::BERGeneralDecoder key (publicKey, CryptoPP::BIT_STRING);
key.Skip (1); // FIXME: probably bug in crypto++
CryptoPP::BERSequenceDecoder keyPair (key);
CryptoPP::Integer n;
n.BERDecode (keyPair);
if (name.length () > 0)
{
PublicKey value;
n.Encode (value, 512);
m_SigningKeys[name] = value;
}
else
LogPrint (eLogWarning, "Unknown issuer. Skipped");
}
publicKey.SkipAll();
tbsCert.SkipAll();