C++ (Cpp) isCryptoKeyRSA Exemples

Exemple #1

void CryptoAlgorithmRSASSA_PKCS1_v1_5::verify(const CryptoAlgorithmParameters& parameters, const CryptoKey& key, const CryptoOperationData& signature, const CryptoOperationData& data, std::unique_ptr<PromiseWrapper> promise, ExceptionCode& ec)
{
    const CryptoAlgorithmRsaSsaParams& rsaSSAParameters = toCryptoAlgorithmRsaSsaParams(parameters);

    if (!isCryptoKeyRSA(key)) {
        ec = NOT_SUPPORTED_ERR;
        return;
    }
    const CryptoKeyRSA& rsaKey = toCryptoKeyRSA(key);

    CCDigestAlgorithm digestAlgorithm;
    if (!getCommonCryptoDigestAlgorithm(rsaSSAParameters.hash, digestAlgorithm)) {
        ec = NOT_SUPPORTED_ERR;
        return;
    }

    std::unique_ptr<CryptoDigest> digest = CryptoDigest::create(rsaSSAParameters.hash);
    if (!digest) {
        ec = NOT_SUPPORTED_ERR;
        return;
    }

    digest->addBytes(data.first, data.second);

    Vector<uint8_t> digestData = digest->computeHash();

    CCCryptorStatus status = CCRSACryptorVerify(rsaKey.platformKey(), ccPKCS1Padding, digestData.data(), digestData.size(), digestAlgorithm, 0, signature.first, signature.second);
    if (!status)
        promise->fulfill(true);
    else if (status == kCCNotVerified || kCCDecodeError) // <rdar://problem/15464982> CCRSACryptorVerify returns kCCDecodeError instead of kCCNotVerified sometimes
        promise->fulfill(false);
    else
        promise->reject(nullptr);
}

Exemple #2

Fichier : CryptoAlgorithmRSA_OAEP.cpp Projet : CannedFish/webkit

bool CryptoAlgorithmRSA_OAEP::keyAlgorithmMatches(const CryptoAlgorithmRsaOaepParams& algorithmParameters, const CryptoKey& key) const
{
    if (key.algorithmIdentifier() != s_identifier)
        return false;
    ASSERT(isCryptoKeyRSA(key));

    CryptoAlgorithmIdentifier keyHash;
    if (toCryptoKeyRSA(key).isRestrictedToHash(keyHash) && keyHash != algorithmParameters.hash)
        return false;

    return true;
}

Exemple #3

void CryptoAlgorithmRSASSA_PKCS1_v1_5::sign(const CryptoAlgorithmParameters& parameters, const CryptoKey& key, const CryptoOperationData& data, std::unique_ptr<PromiseWrapper> promise, ExceptionCode& ec)
{
    const CryptoAlgorithmRsaSsaParams& rsaSSAParameters = toCryptoAlgorithmRsaSsaParams(parameters);

    if (!isCryptoKeyRSA(key)) {
        ec = NOT_SUPPORTED_ERR;
        return;
    }
    const CryptoKeyRSA& rsaKey = toCryptoKeyRSA(key);

    CCDigestAlgorithm digestAlgorithm;
    if (!getCommonCryptoDigestAlgorithm(rsaSSAParameters.hash, digestAlgorithm)) {
        ec = NOT_SUPPORTED_ERR;
        return;
    }

    std::unique_ptr<CryptoDigest> digest = CryptoDigest::create(rsaSSAParameters.hash);
    if (!digest) {
        ec = NOT_SUPPORTED_ERR;
        return;
    }

    digest->addBytes(data.first, data.second);

    Vector<uint8_t> digestData = digest->computeHash();

    Vector<uint8_t> signature(512);
    size_t signatureSize = signature.size();

    CCCryptorStatus status = CCRSACryptorSign(rsaKey.platformKey(), ccPKCS1Padding, digestData.data(), digestData.size(), digestAlgorithm, 0, signature.data(), &signatureSize);
    if (status) {
        promise->reject(nullptr);
        return;
    }

    signature.resize(signatureSize);
    promise->fulfill(signature);
}