Ejemplo n.º 1
0
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));
}
Ejemplo n.º 2
0
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));
}