static int ValidateSignature(CFDataRef signature, CFDataRef data)
{
int result = -1;
CCRSACryptorRef key_ref = NULL;
CCCryptorStatus ccStatus = kCCSuccess;
if (NULL == signature || NULL == data)
{
return result;
}
// Get the key
if (GetPublicManifestKey(&key_ref))
{
return result;
}
const void *hash_data_ptr = CFDataGetBytePtr(data);
size_t hash_data_len = CFDataGetLength(data);
const void* sig_data_pre = CFDataGetBytePtr(signature);
size_t sig_dat_len = CFDataGetLength(signature);
ccStatus = CCRSACryptorVerify(
key_ref,
ccPKCS1Padding,
hash_data_ptr,
hash_data_len,
kCCDigestSHA1,
0,
sig_data_pre,
sig_dat_len);
CCRSACryptorRelease(key_ref);
result = (kCCSuccess == ccStatus) ? 0 : -1;
return result;
}
CryptoKeyRSA::~CryptoKeyRSA()
{
CCRSACryptorRelease(m_platformKey);
}