/usr/include/Poco/Crypto/RSAKey.h is in libpoco-dev 1.3.6p1-4.
This file is owned by root:root, with mode 0o644.
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// RSAKey.h
//
// $Id: //poco/1.3/Crypto/include/Poco/Crypto/RSAKey.h#4 $
//
// Library: Crypto
// Package: RSA
// Module: RSAKey
//
// Definition of the RSAKey class.
//
// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Crypto_RSAKey_INCLUDED
#define Crypto_RSAKey_INCLUDED
#include "Poco/Crypto/Crypto.h"
#include "Poco/Crypto/RSAKeyImpl.h"
namespace Poco {
namespace Crypto {
class X509Certificate;
class Crypto_API RSAKey
/// This class stores an RSA key pair, consisting
/// of private and public key. Storage of the private
/// key is optional.
///
/// If a private key is available, the RSAKey can be
/// used for decrypting data (encrypted with the public key)
/// or computing secure digital signatures.
{
public:
enum KeyLength
{
KL_512 = 512,
KL_1024 = 1024,
KL_2048 = 2048,
KL_4096 = 4096
};
enum Exponent
{
EXP_SMALL = 0,
EXP_LARGE
};
explicit RSAKey(const X509Certificate& cert);
/// Extracts the RSA public key from the given certificate.
RSAKey(KeyLength keyLength, Exponent exp);
/// Creates the RSAKey. Creates a new public/private keypair using the given parameters.
/// Can be used to sign data and verify signatures.
RSAKey(const std::string& publicKeyFile, const std::string& privateKeyFile = "", const std::string& privateKeyPassphrase = "");
/// Creates the RSAKey, by reading public and private key from the given files and
/// using the given passphrase for the private key. Can only by used for signing if
/// a private key is available.
RSAKey(std::istream* pPublicKeyStream, std::istream* pPrivateKeyStream = 0, const std::string& privateKeyPassphrase = "");
/// Creates the RSAKey. Can only by used for signing if pPrivKey
/// is not null. If a private key file is specified, you don't need to
/// specify a public key file. OpenSSL will auto-create it from the private key.
~RSAKey();
/// Destroys the RSAKey.
int size() const;
/// Returns the RSA modulus size.
void save(const std::string& publicKeyFile, const std::string& privateKeyFile = "", const std::string& privateKeyPassphrase = "");
/// Exports the public and private keys to the given files.
///
/// If an empty filename is specified, the corresponding key
/// is not exported.
void save(std::ostream* pPublicKeyStream, std::ostream* pPrivateKeyStream = 0, const std::string& privateKeyPassphrase = "");
/// Exports the public and private key to the given streams.
///
/// If a null pointer is passed for a stream, the corresponding
/// key is not exported.
RSAKeyImpl::Ptr impl();
/// Returns the impl object.
const std::string& name() const;
/// Returns "rsa"
private:
RSAKeyImpl::Ptr _pImpl;
};
//
// inlines
//
inline RSAKeyImpl::Ptr RSAKey::impl()
{
return _pImpl;
}
} } // namespace Poco::Crypto
#endif // Crypto_RSAKey_INCLUDED
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