diff options
Diffstat (limited to 'src/network/ssl/qsslkey_openssl.cpp')
-rw-r--r-- | src/network/ssl/qsslkey_openssl.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/network/ssl/qsslkey_openssl.cpp b/src/network/ssl/qsslkey_openssl.cpp index 33cb81ce71..a90c9411b7 100644 --- a/src/network/ssl/qsslkey_openssl.cpp +++ b/src/network/ssl/qsslkey_openssl.cpp @@ -265,4 +265,53 @@ Qt::HANDLE QSslKeyPrivate::handle() const } } +static QByteArray doCrypt(QSslKeyPrivate::Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv, int enc) +{ + EVP_CIPHER_CTX ctx; + const EVP_CIPHER* type = 0; + int i = 0, len = 0; + + switch (cipher) { + case QSslKeyPrivate::DesCbc: + type = q_EVP_des_cbc(); + break; + case QSslKeyPrivate::DesEde3Cbc: + type = q_EVP_des_ede3_cbc(); + break; + case QSslKeyPrivate::Rc2Cbc: + type = q_EVP_rc2_cbc(); + break; + } + + QByteArray output; + output.resize(data.size() + EVP_MAX_BLOCK_LENGTH); + q_EVP_CIPHER_CTX_init(&ctx); + q_EVP_CipherInit(&ctx, type, NULL, NULL, enc); + q_EVP_CIPHER_CTX_set_key_length(&ctx, key.size()); + if (cipher == QSslKeyPrivate::Rc2Cbc) + q_EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_SET_RC2_KEY_BITS, 8 * key.size(), NULL); + q_EVP_CipherInit(&ctx, NULL, + reinterpret_cast<const unsigned char *>(key.constData()), + reinterpret_cast<const unsigned char *>(iv.constData()), enc); + q_EVP_CipherUpdate(&ctx, + reinterpret_cast<unsigned char *>(output.data()), &len, + reinterpret_cast<const unsigned char *>(data.constData()), data.size()); + q_EVP_CipherFinal(&ctx, + reinterpret_cast<unsigned char *>(output.data()) + len, &i); + len += i; + q_EVP_CIPHER_CTX_cleanup(&ctx); + + return output.left(len); +} + +QByteArray QSslKeyPrivate::decrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv) +{ + return doCrypt(cipher, data, key, iv, 0); +} + +QByteArray QSslKeyPrivate::encrypt(Cipher cipher, const QByteArray &data, const QByteArray &key, const QByteArray &iv) +{ + return doCrypt(cipher, data, key, iv, 1); +} + QT_END_NAMESPACE |