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Fix for OpenSSL 1.0 (#20)

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* Clang Tidy fixes

* Fix for OpenSSL 1.0

---------

Co-authored-by: cesaaargm <cesare.martinez@proton.me>
This commit is contained in:
Carles Fernandez 2024-08-05 13:06:28 +02:00 committed by GitHub
parent 8a45df29a8
commit a1ef563988
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 85 additions and 6 deletions
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91
src/core/system_parameters/gnss_crypto.cc
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@ -1210,15 +1210,38 @@ void Gnss_Crypto::readPublicKeyFromPEM(const std::string& pemFilePath)
}
const EC_GROUP* group = EC_KEY_get0_group(pubkey);
int nid = EC_GROUP_get_curve_name(group);
const char* curve_name = OBJ_nid2sn(nid);
const std::string curve_str(curve_name);
if (curve_str == "prime256v1")
if (nid == 0)
{
d_PublicKeyType = "ECDSA P-256";
BIGNUM* p = BN_new();
if (EC_GROUP_get_curve_GFp(group, p, nullptr, nullptr, nullptr) == 1)
{
char* p_str = BN_bn2hex(p);
const std::string pcstr(p_str);
if (pcstr.size() == 64)
{
d_PublicKeyType = "ECDSA P-256";
}
else if (pcstr.size() == 132)
{
d_PublicKeyType = "ECDSA P-521";
}
OPENSSL_free(p_str);
}
BN_free(p);
}
else if (curve_str == "secp521r1")
else
{
d_PublicKeyType = "ECDSA P-521";
const char* curve_name = OBJ_nid2sn(nid);
const std::string curve_str(curve_name);
if (curve_str == "prime256v1")
{
d_PublicKeyType = "ECDSA P-256";
}
else if (curve_str == "secp521r1")
{
d_PublicKeyType = "ECDSA P-521";
}
}
pubkey_copy(pubkey, &d_PublicKey);
@ -1410,9 +1433,16 @@ bool Gnss_Crypto::readPublicKeyFromCRT(const std::string& crtFilePath)
pubkey_copy(pubkey, &d_PublicKey);
EVP_PKEY_free(pubkey);
#else // OpenSSL 1.x
#if USE_OPENSSL_111
// store the key type - needed for the Kroot in case no DSM-PKR available
const auto ec_key = EVP_PKEY_get0_EC_KEY(pubkey);
const EC_GROUP* group = EC_KEY_get0_group(ec_key);
if (!group)
{
X509_free(cert);
EC_KEY_free(ec_key);
return false;
}
const int nid = EC_GROUP_get_curve_name(group);
if (nid == NID_X9_62_prime256v1)
{
@ -1422,7 +1452,56 @@ bool Gnss_Crypto::readPublicKeyFromCRT(const std::string& crtFilePath)
{
d_PublicKeyType = "ECDSA P-521";
}
#else
EC_KEY* ec_key = EVP_PKEY_get1_EC_KEY(pubkey);
if (!ec_key)
{
X509_free(cert);
return false;
}
// Get the EC_GROUP from the EC_KEY
const EC_GROUP* group = EC_KEY_get0_group(ec_key);
if (!group)
{
X509_free(cert);
EC_KEY_free(ec_key);
return false;
}
const int nid = EC_GROUP_get_curve_name(group);
if (nid == 0)
{
BIGNUM* p = BN_new();
if (EC_GROUP_get_curve_GFp(group, p, nullptr, nullptr, nullptr) == 1)
{
char* p_str = BN_bn2hex(p);
const std::string pcstr(p_str);
if (pcstr.size() == 64)
{
d_PublicKeyType = "ECDSA P-256";
}
else if (pcstr.size() == 132)
{
d_PublicKeyType = "ECDSA P-521";
}
OPENSSL_free(p_str);
}
BN_free(p);
}
else
{
const char* curve_name = OBJ_nid2sn(nid);
const std::string curve_str(curve_name);
if (curve_str == "prime256v1")
{
d_PublicKeyType = "ECDSA P-256";
}
else if (curve_str == "secp521r1")
{
d_PublicKeyType = "ECDSA P-521";
}
}
#endif
EC_KEY* ec_pubkey = EVP_PKEY_get1_EC_KEY(pubkey);
EVP_PKEY_free(pubkey);
if (!ec_pubkey)