PassRefPtr<CryptoKeyRSA> CryptoKeyRSA::create(CryptoAlgorithmIdentifier identifier, const CryptoKeyDataRSAComponents& keyData, bool extractable, CryptoKeyUsage usage)
{
if (keyData.type() == CryptoKeyDataRSAComponents::Type::Private && !keyData.hasAdditionalPrivateKeyParameters()) {
// <rdar://problem/15452324> tracks adding support.
WTFLogAlways("Private keys without additional data are not supported");
return nullptr;
}
if (keyData.otherPrimeInfos().size()) {
// <rdar://problem/15444074> tracks adding support.
WTFLogAlways("Keys with more than two primes are not supported");
return nullptr;
}
CCRSACryptorRef cryptor;
CCCryptorStatus status = CCRSACryptorCreateFromData(
keyData.type() == CryptoKeyDataRSAComponents::Type::Public ? ccRSAKeyPublic : ccRSAKeyPrivate,
(uint8_t*)keyData.modulus().data(), keyData.modulus().size(),
(uint8_t*)keyData.exponent().data(), keyData.exponent().size(),
(uint8_t*)keyData.firstPrimeInfo().primeFactor.data(), keyData.firstPrimeInfo().primeFactor.size(),
(uint8_t*)keyData.secondPrimeInfo().primeFactor.data(), keyData.secondPrimeInfo().primeFactor.size(),
&cryptor);
if (status) {
LOG_ERROR("Couldn't create RSA key from data, error %d", status);
return nullptr;
}
return adoptRef(new CryptoKeyRSA(identifier, keyData.type() == CryptoKeyDataRSAComponents::Type::Public ? CryptoKeyType::Public : CryptoKeyType::Private, cryptor, extractable, usage));
}
RefPtr<CryptoKeyRSA> CryptoKeyRSA::create(CryptoAlgorithmIdentifier identifier, CryptoAlgorithmIdentifier hash, bool hasHash, const CryptoKeyDataRSAComponents& keyData, bool extractable, CryptoKeyUsageBitmap usage)
{
if (keyData.type() == CryptoKeyDataRSAComponents::Type::Private && !keyData.hasAdditionalPrivateKeyParameters()) {
// <rdar://problem/15452324> tracks adding support.
WTFLogAlways("Private keys without additional data are not supported");
return nullptr;
}
if (keyData.otherPrimeInfos().size()) {
// <rdar://problem/15444074> tracks adding support.
WTFLogAlways("Keys with more than two primes are not supported");
return nullptr;
}
CCRSACryptorRef cryptor;
// FIXME: It is so weired that we recaculate the private exponent from first prime factor and second prime factor,
// given the fact that we have already had it. Also, the re-caculated private exponent may not match the given one.
// See <rdar://problem/15452324>.
CCCryptorStatus status = CCRSACryptorCreateFromData(
keyData.type() == CryptoKeyDataRSAComponents::Type::Public ? ccRSAKeyPublic : ccRSAKeyPrivate,
(uint8_t*)keyData.modulus().data(), keyData.modulus().size(),
(uint8_t*)keyData.exponent().data(), keyData.exponent().size(),
(uint8_t*)keyData.firstPrimeInfo().primeFactor.data(), keyData.firstPrimeInfo().primeFactor.size(),
(uint8_t*)keyData.secondPrimeInfo().primeFactor.data(), keyData.secondPrimeInfo().primeFactor.size(),
&cryptor);
if (status) {
LOG_ERROR("Couldn't create RSA key from data, error %d", status);
return nullptr;
}
return adoptRef(new CryptoKeyRSA(identifier, hash, hasHash, keyData.type() == CryptoKeyDataRSAComponents::Type::Public ? CryptoKeyType::Public : CryptoKeyType::Private, cryptor, extractable, usage));
}