1 files changed, 84 insertions, 0 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/pubkey/dl_algo/dl_algo.cpp b/src/libs/3rdparty/botan/src/lib/pubkey/dl_algo/dl_algo.cpp
new file mode 100644
index 00000000000..15b0b175e42
--- /dev/null
+++ b/src/libs/3rdparty/botan/src/lib/pubkey/dl_algo/dl_algo.cpp
@@ -0,0 +1,84 @@
+/*
+* DL Scheme
+* (C) 1999-2007 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/dl_algo.h>
+#include <botan/numthry.h>
+#include <botan/der_enc.h>
+#include <botan/ber_dec.h>
+
+namespace Botan {
+
+size_t DL_Scheme_PublicKey::key_length() const
+   {
+   return m_group.p_bits();
+   }
+
+size_t DL_Scheme_PublicKey::estimated_strength() const
+   {
+   return m_group.estimated_strength();
+   }
+
+AlgorithmIdentifier DL_Scheme_PublicKey::algorithm_identifier() const
+   {
+   return AlgorithmIdentifier(get_oid(),
+                              m_group.DER_encode(group_format()));
+   }
+
+std::vector<uint8_t> DL_Scheme_PublicKey::public_key_bits() const
+   {
+   std::vector<uint8_t> output;
+   DER_Encoder(output).encode(m_y);
+   return output;
+   }
+
+DL_Scheme_PublicKey::DL_Scheme_PublicKey(const DL_Group& group, const BigInt& y) :
+   m_y(y),
+   m_group(group)
+   {
+   }
+
+DL_Scheme_PublicKey::DL_Scheme_PublicKey(const AlgorithmIdentifier& alg_id,
+                                         const std::vector<uint8_t>& key_bits,
+                                         DL_Group::Format format) :
+   m_group(alg_id.get_parameters(), format)
+   {
+   BER_Decoder(key_bits).decode(m_y);
+   }
+
+secure_vector<uint8_t> DL_Scheme_PrivateKey::private_key_bits() const
+   {
+   return DER_Encoder().encode(m_x).get_contents();
+   }
+
+DL_Scheme_PrivateKey::DL_Scheme_PrivateKey(const AlgorithmIdentifier& alg_id,
+                                           const secure_vector<uint8_t>& key_bits,
+                                           DL_Group::Format format)
+   {
+   m_group.BER_decode(alg_id.get_parameters(), format);
+
+   BER_Decoder(key_bits).decode(m_x);
+   }
+
+/*
+* Check Public DL Parameters
+*/
+bool DL_Scheme_PublicKey::check_key(RandomNumberGenerator& rng,
+                                    bool strong) const
+   {
+   return m_group.verify_group(rng, strong) && m_group.verify_public_element(m_y);
+   }
+
+/*
+* Check DL Scheme Private Parameters
+*/
+bool DL_Scheme_PrivateKey::check_key(RandomNumberGenerator& rng,
+                                     bool strong) const
+   {
+   return m_group.verify_group(rng, strong) && m_group.verify_element_pair(m_y, m_x);
+   }
+
+}