1 files changed, 63 insertions, 0 deletions
diff --git a/src/cms/cms_dec.h b/src/cms/cms_dec.h
new file mode 100644
index 000000000..ef21036bb
--- /dev/null
+++ b/src/cms/cms_dec.h
@@ -0,0 +1,63 @@
+/*************************************************
+* CMS Decoding Header File                       *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_CMS_DECODER_H__
+#define BOTAN_CMS_DECODER_H__
+
+#include <botan/x509cert.h>
+#include <botan/x509stor.h>
+#include <botan/pkcs8.h>
+#include <botan/ber_dec.h>
+#include <botan/ui.h>
+
+namespace Botan {
+
+/*************************************************
+* CMS Decoding Operation                         *
+*************************************************/
+class CMS_Decoder
+   {
+   public:
+      enum Status { GOOD, BAD, NO_KEY, FAILURE };
+
+      enum Content_Type { DATA, UNKNOWN, COMPRESSED, ENVELOPED, SIGNED,
+                          AUTHENTICATED, DIGESTED };
+
+      Status layer_status() const;
+      Content_Type layer_type() const;
+      std::string layer_info() const;
+      std::string layer_algo() const;
+      std::string get_data() const;
+      std::vector<X509_Certificate> get_certs() const;
+      std::vector<X509_CRL> get_crls() const;
+
+      void next_layer() { decode_layer(); }
+
+      void add_key(PKCS8_PrivateKey*);
+
+      CMS_Decoder(DataSource&, const X509_Store&, User_Interface&,
+                  PKCS8_PrivateKey* = 0);
+   private:
+      std::string get_passphrase(const std::string&);
+      void read_econtent(BER_Decoder&);
+      void initial_read(DataSource&);
+      void decode_layer();
+      void decompress(BER_Decoder&);
+
+      User_Interface& ui;
+
+      X509_Store store;
+      std::vector<std::string> passphrases;
+      std::vector<PKCS8_PrivateKey*> keys;
+
+      OID type, next_type;
+      SecureVector<byte> data;
+      Status status;
+      std::string info;
+   };
+
+}
+
+#endif