add PKCS#11 support

1 files changed, 213 insertions, 0 deletions

diff --git a/src/lib/prov/pkcs11/p11_rsa.h b/src/lib/prov/pkcs11/p11_rsa.h
new file mode 100644
index 000000000..bf1422dc2
--- /dev/null
+++ b/src/lib/prov/pkcs11/p11_rsa.h
@@ -0,0 +1,213 @@
+/*
+* PKCS#11 RSA
+* (C) 2016 Daniel Neus, Sirrix AG
+* (C) 2016 Philipp Weber, Sirrix AG
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_P11_RSA_H__
+#define BOTAN_P11_RSA_H__
+
+#include <botan/build.h>
+#if defined(BOTAN_HAS_RSA)
+
+#include <botan/p11.h>
+#include <botan/p11_session.h>
+#include <botan/p11_object.h>
+#include <botan/rsa.h>
+
+#include <utility>
+
+namespace Botan {
+namespace PKCS11 {
+
+/// Properties for generating a PKCS#11 RSA public key
+class BOTAN_DLL RSA_PublicKeyGenerationProperties final : public PublicKeyProperties
+   {
+   public:
+      /// @param bits length in bits of modulus n
+      explicit RSA_PublicKeyGenerationProperties(Ulong bits);
+
+      /// @param pub_exponent public exponent e
+      inline void set_pub_exponent(const BigInt& pub_exponent = BigInt(0x10001))
+         {
+         add_binary(AttributeType::PublicExponent, BigInt::encode(pub_exponent));
+         }
+
+      virtual ~RSA_PublicKeyGenerationProperties() = default;
+   };
+
+/// Properties for importing a PKCS#11 RSA public key
+class BOTAN_DLL RSA_PublicKeyImportProperties final : public PublicKeyProperties
+   {
+   public:
+      /// @param modulus modulus n
+      /// @param pub_exponent public exponent e
+      RSA_PublicKeyImportProperties(const BigInt& modulus, const BigInt& pub_exponent);
+
+      /// @return the modulus
+      inline const BigInt& modulus() const
+         {
+         return m_modulus;
+         }
+
+      /// @return the public exponent
+      inline const BigInt& pub_exponent() const
+         {
+         return m_pub_exponent;
+         }
+
+      virtual ~RSA_PublicKeyImportProperties() = default;
+   private:
+      const BigInt m_modulus;
+      const BigInt m_pub_exponent;
+   };
+
+/// Represents a PKCS#11 RSA public key
+class BOTAN_DLL PKCS11_RSA_PublicKey final : public RSA_PublicKey,
+   public Object
+   {
+   public:
+      static const ObjectClass Class = ObjectClass::PublicKey;
+
+      /**
+      * Creates a PKCS11_RSA_PublicKey object from an existing PKCS#11 RSA public key
+      * @param session the session to use
+      * @param handle the handle of the RSA public key
+      */
+      PKCS11_RSA_PublicKey(Session& session, ObjectHandle handle);
+
+      /**
+      * Imports a RSA public key
+      * @param session the session to use
+      * @param pubkey_props the attributes of the public key
+      */
+      PKCS11_RSA_PublicKey(Session& session, const RSA_PublicKeyImportProperties& pubkey_props);
+   };
+
+/// Properties for importing a PKCS#11 RSA private key
+class BOTAN_DLL RSA_PrivateKeyImportProperties final : public PrivateKeyProperties
+   {
+   public:
+      /**
+      * @param modulus modulus n
+      * @param priv_exponent private exponent d
+      */
+      RSA_PrivateKeyImportProperties(const BigInt& modulus, const BigInt& priv_exponent);
+
+      /// @param pub_exponent public exponent e
+      inline void set_pub_exponent(const BigInt& pub_exponent)
+         {
+         add_binary(AttributeType::PublicExponent, BigInt::encode(pub_exponent));
+         }
+
+      /// @param prime1 prime p
+      inline void set_prime_1(const BigInt& prime1)
+         {
+         add_binary(AttributeType::Prime1, BigInt::encode(prime1));
+         }
+
+      /// @param prime2 prime q
+      inline void set_prime_2(const BigInt& prime2)
+         {
+         add_binary(AttributeType::Prime2, BigInt::encode(prime2));
+         }
+
+      /// @param exp1 private exponent d modulo p-1
+      inline void set_exponent_1(const BigInt& exp1)
+         {
+         add_binary(AttributeType::Exponent1, BigInt::encode(exp1));
+         }
+
+      /// @param exp2 private exponent d modulo q-1
+      inline void set_exponent_2(const BigInt& exp2)
+         {
+         add_binary(AttributeType::Exponent2, BigInt::encode(exp2));
+         }
+
+      /// @param coeff CRT coefficient q^-1 mod p
+      inline void set_coefficient(const BigInt& coeff)
+         {
+         add_binary(AttributeType::Coefficient, BigInt::encode(coeff));
+         }
+
+      /// @return the modulus
+      inline const BigInt& modulus() const
+         {
+         return m_modulus;
+         }
+
+      /// @return the private exponent
+      inline const BigInt& priv_exponent() const
+         {
+         return m_priv_exponent;
+         }
+
+      virtual ~RSA_PrivateKeyImportProperties() = default;
+
+   private:
+      const BigInt m_modulus;
+      const BigInt m_priv_exponent;
+   };
+
+/// Properties for generating a PKCS#11 RSA private key
+class BOTAN_DLL RSA_PrivateKeyGenerationProperties final : public PrivateKeyProperties
+   {
+   public:
+      RSA_PrivateKeyGenerationProperties()
+         : PrivateKeyProperties(KeyType::Rsa)
+         {}
+
+      virtual ~RSA_PrivateKeyGenerationProperties() = default;
+   };
+
+/// Represents a PKCS#11 RSA private key
+class BOTAN_DLL PKCS11_RSA_PrivateKey final : public Private_Key,
+   public RSA_PublicKey,
+   public Object
+   {
+   public:
+      static const ObjectClass Class = ObjectClass::PrivateKey;
+
+      /// Creates a PKCS11_RSA_PrivateKey object from an existing PKCS#11 RSA private key
+      PKCS11_RSA_PrivateKey(Session& session, ObjectHandle handle);
+
+      /**
+      * Imports a RSA private key
+      * @param session the session to use
+      * @param priv_key_props the properties of the RSA private key
+      */
+      PKCS11_RSA_PrivateKey(Session& session, const RSA_PrivateKeyImportProperties& priv_key_props);
+
+      /**
+      * Generates a PKCS#11 RSA private key
+      * @param session
+      * @param bits length in bits of modulus n
+      * @param priv_key_props the properties of the RSA private key
+      * @note no persistent public key object will be created
+      */
+      PKCS11_RSA_PrivateKey(Session& session, uint32_t bits, const RSA_PrivateKeyGenerationProperties& priv_key_props);
+
+      /// @return the exported RSA private key
+      RSA_PrivateKey export_key() const;
+
+      secure_vector<byte> pkcs8_private_key() const override;
+   };
+
+using PKCS11_RSA_KeyPair = std::pair<PKCS11_RSA_PublicKey, PKCS11_RSA_PrivateKey>;
+
+/**
+* RSA key pair generation
+* @param session the session that should be used for the key generation
+* @param pub_props properties of the public key
+* @param priv_props properties of the private key
+*/
+BOTAN_DLL PKCS11_RSA_KeyPair generate_rsa_keypair(Session& session, const RSA_PublicKeyGenerationProperties& pub_props,
+      const RSA_PrivateKeyGenerationProperties& priv_props);
+}
+
+}
+#endif
+
+#endif