Add the (very old) CMS | S/MIME support code to misc/cms

1 files changed, 70 insertions, 0 deletions

diff --git a/misc/cms/cms_enc.h b/misc/cms/cms_enc.h
new file mode 100644
index 000000000..ac0634985
--- /dev/null
+++ b/misc/cms/cms_enc.h
@@ -0,0 +1,70 @@
+/*************************************************
+* CMS Encoding Header File                       *
+* (C) 1999-2003 The Botan Project                *
+*************************************************/
+
+#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(const std::string&);
+      static SecureVector<byte> wrap_key(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