Initial checkin1.5.6

1 files changed, 169 insertions, 0 deletions

diff --git a/include/pubkey.h b/include/pubkey.h
new file mode 100644
index 000000000..68abe290f
--- /dev/null
+++ b/include/pubkey.h
@@ -0,0 +1,169 @@
+/*************************************************
+* Public Key Interface Header File               *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#ifndef BOTAN_PUBKEY_H__
+#define BOTAN_PUBKEY_H__
+
+#include <botan/base.h>
+#include <botan/pk_keys.h>
+#include <botan/pk_util.h>
+
+namespace Botan {
+
+/*************************************************
+* Public Key Encryptor                           *
+*************************************************/
+class PK_Encryptor
+   {
+   public:
+      SecureVector<byte> encrypt(const byte[], u32bit) const;
+      SecureVector<byte> encrypt(const MemoryRegion<byte>&) const;
+      virtual u32bit maximum_input_size() const = 0;
+      virtual ~PK_Encryptor() {}
+   private:
+      virtual SecureVector<byte> enc(const byte[], u32bit) const = 0;
+   };
+
+/*************************************************
+* Public Key Decryptor                           *
+*************************************************/
+class PK_Decryptor
+   {
+   public:
+      SecureVector<byte> decrypt(const byte[], u32bit) const;
+      SecureVector<byte> decrypt(const MemoryRegion<byte>&) const;
+      virtual ~PK_Decryptor() {}
+   private:
+      virtual SecureVector<byte> dec(const byte[], u32bit) const = 0;
+   };
+
+/*************************************************
+* Public Key Signer                              *
+*************************************************/
+class PK_Signer
+   {
+   public:
+      SecureVector<byte> sign_message(const byte[], u32bit);
+      SecureVector<byte> sign_message(const MemoryRegion<byte>&);
+
+      void update(byte);
+      void update(const byte[], u32bit);
+      void update(const MemoryRegion<byte>&);
+
+      SecureVector<byte> signature();
+
+      void set_output_format(Signature_Format);
+
+      PK_Signer(const PK_Signing_Key&, const std::string&);
+      ~PK_Signer() { delete emsa; }
+   private:
+      const PK_Signing_Key& key;
+      Signature_Format sig_format;
+      EMSA* emsa;
+   };
+
+/*************************************************
+* Public Key Verifier                            *
+*************************************************/
+class PK_Verifier
+   {
+   public:
+      bool verify_message(const byte[], u32bit, const byte[], u32bit);
+      bool verify_message(const MemoryRegion<byte>&,
+                          const MemoryRegion<byte>&);
+
+      void update(byte);
+      void update(const byte[], u32bit);
+      void update(const MemoryRegion<byte>&);
+
+      bool check_signature(const byte[], u32bit);
+      bool check_signature(const MemoryRegion<byte>&);
+
+      void set_input_format(Signature_Format);
+
+      PK_Verifier(const PK_Key&, const std::string&);
+      virtual ~PK_Verifier() { delete emsa; }
+   protected:
+      virtual bool validate_signature(const MemoryRegion<byte>&,
+                                      const byte[], u32bit) = 0;
+      Signature_Format sig_format;
+      EMSA* emsa;
+   private:
+      const PK_Key& key;
+   };
+
+/*************************************************
+* Key Agreement                                  *
+*************************************************/
+class PK_Key_Agreement
+   {
+   public:
+      SymmetricKey derive_key(u32bit, const byte[], u32bit,
+                              const std::string& = "") const;
+      SymmetricKey derive_key(u32bit, const byte[], u32bit,
+                                      const byte[], u32bit) const;
+
+      PK_Key_Agreement(const PK_Key_Agreement_Key&, const std::string&);
+   private:
+      const PK_Key_Agreement_Key& key;
+      const std::string kdf_name;
+   };
+
+/*************************************************
+* Encryption with an MR algorithm and an EME     *
+*************************************************/
+class PK_Encryptor_MR_with_EME : public PK_Encryptor
+   {
+   public:
+      u32bit maximum_input_size() const;
+      PK_Encryptor_MR_with_EME(const PK_Encrypting_Key&, const std::string&);
+      ~PK_Encryptor_MR_with_EME() { delete encoder; }
+   private:
+      SecureVector<byte> enc(const byte[], u32bit) const;
+      const PK_Encrypting_Key& key;
+      const EME* encoder;
+   };
+
+/*************************************************
+* Decryption with an MR algorithm and an EME     *
+*************************************************/
+class PK_Decryptor_MR_with_EME : public PK_Decryptor
+   {
+   public:
+      PK_Decryptor_MR_with_EME(const PK_Decrypting_Key&, const std::string&);
+      ~PK_Decryptor_MR_with_EME() { delete encoder; }
+   private:
+      SecureVector<byte> dec(const byte[], u32bit) const;
+      const PK_Decrypting_Key& key;
+      const EME* encoder;
+   };
+
+/*************************************************
+* Public Key Verifier with Message Recovery      *
+*************************************************/
+class PK_Verifier_with_MR : public PK_Verifier
+   {
+   public:
+      PK_Verifier_with_MR(const PK_Verifying_with_MR_Key&, const std::string&);
+   private:
+      bool validate_signature(const MemoryRegion<byte>&, const byte[], u32bit);
+      const PK_Verifying_with_MR_Key& key;
+   };
+
+/*************************************************
+* Public Key Verifier without Message Recovery   *
+*************************************************/
+class PK_Verifier_wo_MR : public PK_Verifier
+   {
+   public:
+      PK_Verifier_wo_MR(const PK_Verifying_wo_MR_Key&, const std::string&);
+   private:
+      bool validate_signature(const MemoryRegion<byte>&, const byte[], u32bit);
+      const PK_Verifying_wo_MR_Key& key;
+   };
+
+}
+
+#endif