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authorlloyd <[email protected]>2014-01-10 03:41:59 +0000
committerlloyd <[email protected]>2014-01-10 03:41:59 +0000
commit6894dca64c04936d07048c0e8cbf7e25858548c3 (patch)
tree5d572bfde9fe667dab14e3f04b5285a85d8acd95 /src/lib/pubkey/dl_algo/dl_algo.h
parent9efa3be92442afb3d0b69890a36c7f122df18eda (diff)
Move lib into src
Diffstat (limited to 'src/lib/pubkey/dl_algo/dl_algo.h')
-rw-r--r--src/lib/pubkey/dl_algo/dl_algo.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/src/lib/pubkey/dl_algo/dl_algo.h b/src/lib/pubkey/dl_algo/dl_algo.h
new file mode 100644
index 000000000..abd2acba4
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+++ b/src/lib/pubkey/dl_algo/dl_algo.h
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+/*
+* DL Scheme
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_DL_ALGO_H__
+#define BOTAN_DL_ALGO_H__
+
+#include <botan/dl_group.h>
+#include <botan/x509_key.h>
+#include <botan/pkcs8.h>
+
+namespace Botan {
+
+/**
+* This class represents discrete logarithm (DL) public keys.
+*/
+class BOTAN_DLL DL_Scheme_PublicKey : public virtual Public_Key
+ {
+ public:
+ bool check_key(RandomNumberGenerator& rng, bool) const;
+
+ AlgorithmIdentifier algorithm_identifier() const;
+
+ std::vector<byte> x509_subject_public_key() const;
+
+ /**
+ * Get the DL domain parameters of this key.
+ * @return DL domain parameters of this key
+ */
+ const DL_Group& get_domain() const { return group; }
+
+ /**
+ * Get the public value y with y = g^x mod p where x is the secret key.
+ */
+ const BigInt& get_y() const { return y; }
+
+ /**
+ * Get the prime p of the underlying DL group.
+ * @return prime p
+ */
+ const BigInt& group_p() const { return group.get_p(); }
+
+ /**
+ * Get the prime q of the underlying DL group.
+ * @return prime q
+ */
+ const BigInt& group_q() const { return group.get_q(); }
+
+ /**
+ * Get the generator g of the underlying DL group.
+ * @return generator g
+ */
+ const BigInt& group_g() const { return group.get_g(); }
+
+ /**
+ * Get the underlying groups encoding format.
+ * @return encoding format
+ */
+ virtual DL_Group::Format group_format() const = 0;
+
+ size_t estimated_strength() const override;
+
+ DL_Scheme_PublicKey(const AlgorithmIdentifier& alg_id,
+ const secure_vector<byte>& key_bits,
+ DL_Group::Format group_format);
+
+ protected:
+ DL_Scheme_PublicKey() {}
+
+ /**
+ * The DL public key
+ */
+ BigInt y;
+
+ /**
+ * The DL group
+ */
+ DL_Group group;
+ };
+
+/**
+* This class represents discrete logarithm (DL) private keys.
+*/
+class BOTAN_DLL DL_Scheme_PrivateKey : public virtual DL_Scheme_PublicKey,
+ public virtual Private_Key
+ {
+ public:
+ bool check_key(RandomNumberGenerator& rng, bool) const;
+
+ /**
+ * Get the secret key x.
+ * @return secret key
+ */
+ const BigInt& get_x() const { return x; }
+
+ secure_vector<byte> pkcs8_private_key() const;
+
+ DL_Scheme_PrivateKey(const AlgorithmIdentifier& alg_id,
+ const secure_vector<byte>& key_bits,
+ DL_Group::Format group_format);
+
+ protected:
+ DL_Scheme_PrivateKey() {}
+
+ /**
+ * The DL private key
+ */
+ BigInt x;
+ };
+
+}
+
+#endif