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/*************************************************
* CMS Encoding Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_CMS_ENCODER_H__
#define BOTAN_CMS_ENCODER_H__
#include <botan/x509cert.h>
#include <botan/x509stor.h>
#include <botan/pkcs8.h>
namespace Botan {
/*************************************************
* CMS Encoding Operation *
*************************************************/
class CMS_Encoder
{
public:
void encrypt(const X509_Certificate&, const std::string = "");
void encrypt(const std::string&, const std::string& = "");
void encrypt(const SymmetricKey&, const std::string& = "");
void authenticate(const X509_Certificate&, const std::string& = "");
void authenticate(const std::string&, const std::string& = "");
void authenticate(const SymmetricKey&, const std::string& = "");
void sign(X509_Store&, const PKCS8_PrivateKey&);
void digest(const std::string& = "");
void compress(const std::string&);
static bool can_compress_with(const std::string&);
SecureVector<byte> get_contents();
std::string PEM_contents();
void set_data(const std::string&);
void set_data(const byte[], u32bit);
CMS_Encoder(const std::string& str) { set_data(str); }
CMS_Encoder(const byte buf[], u32bit length) { set_data(buf, length); }
private:
void add_layer(const std::string&, DER_Encoder&);
void encrypt_ktri(const X509_Certificate&, PK_Encrypting_Key*,
const std::string&);
void encrypt_kari(const X509_Certificate&, X509_PublicKey*,
const std::string&);
SecureVector<byte> do_encrypt(const SymmetricKey&, const std::string&);
static SecureVector<byte> make_econtent(const SecureVector<byte>&,
const std::string&);
static SymmetricKey setup_key(RandomNumberGenerator& rng,
const std::string&);
static SecureVector<byte> wrap_key(RandomNumberGenerator& rng,
const std::string&,
const SymmetricKey&,
const SymmetricKey&);
static SecureVector<byte> encode_params(const std::string&,
const SymmetricKey&,
const InitializationVector&);
SecureVector<byte> data;
std::string type;
};
}
#endif
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