4 files changed, 877 insertions, 0 deletions
diff --git a/lib/pubkey/dl_group/dl_group.cpp b/lib/pubkey/dl_group/dl_group.cpp
new file mode 100644
index 000000000..6fd1beeaa
--- /dev/null
+++ b/lib/pubkey/dl_group/dl_group.cpp
@@ -0,0 +1,337 @@
+/*
+* Discrete Logarithm Parameters
+* (C) 1999-2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/dl_group.h>
+#include <botan/libstate.h>
+#include <botan/parsing.h>
+#include <botan/numthry.h>
+#include <botan/der_enc.h>
+#include <botan/ber_dec.h>
+#include <botan/pipe.h>
+#include <botan/pem.h>
+#include <botan/workfactor.h>
+
+namespace Botan {
+
+/*
+* DL_Group Constructor
+*/
+DL_Group::DL_Group()
+   {
+   initialized = false;
+   }
+
+/*
+* DL_Group Constructor
+*/
+DL_Group::DL_Group(const std::string& name)
+   {
+   const char* pem = PEM_for_named_group(name);
+
+   if(!pem)
+      throw Invalid_Argument("DL_Group: Unknown group " + name);
+
+   PEM_decode(pem);
+   }
+
+/*
+* DL_Group Constructor
+*/
+DL_Group::DL_Group(RandomNumberGenerator& rng,
+                   PrimeType type, size_t pbits, size_t qbits)
+   {
+   if(pbits < 512)
+      throw Invalid_Argument("DL_Group: prime size " + std::to_string(pbits) +
+                             " is too small");
+
+   if(type == Strong)
+      {
+      p = random_safe_prime(rng, pbits);
+      q = (p - 1) / 2;
+      g = 2;
+      }
+   else if(type == Prime_Subgroup)
+      {
+      if(!qbits)
+         qbits = 2 * dl_work_factor(pbits);
+
+      q = random_prime(rng, qbits);
+      BigInt X;
+      while(p.bits() != pbits || !check_prime(p, rng))
+         {
+         X.randomize(rng, pbits);
+         p = X - (X % (2*q) - 1);
+         }
+
+      g = make_dsa_generator(p, q);
+      }
+   else if(type == DSA_Kosherizer)
+      {
+      qbits = qbits ? qbits : ((pbits <= 1024) ? 160 : 256);
+
+      generate_dsa_primes(rng,
+                          global_state().algorithm_factory(),
+                          p, q,
+                          pbits, qbits);
+
+      g = make_dsa_generator(p, q);
+      }
+
+   initialized = true;
+   }
+
+/*
+* DL_Group Constructor
+*/
+DL_Group::DL_Group(RandomNumberGenerator& rng,
+                   const std::vector<byte>& seed,
+                   size_t pbits, size_t qbits)
+   {
+   if(!generate_dsa_primes(rng,
+                           global_state().algorithm_factory(),
+                           p, q, pbits, qbits, seed))
+      throw Invalid_Argument("DL_Group: The seed given does not "
+                             "generate a DSA group");
+
+   g = make_dsa_generator(p, q);
+
+   initialized = true;
+   }
+
+/*
+* DL_Group Constructor
+*/
+DL_Group::DL_Group(const BigInt& p1, const BigInt& g1)
+   {
+   initialize(p1, 0, g1);
+   }
+
+/*
+* DL_Group Constructor
+*/
+DL_Group::DL_Group(const BigInt& p1, const BigInt& q1, const BigInt& g1)
+   {
+   initialize(p1, q1, g1);
+   }
+
+/*
+* DL_Group Initializer
+*/
+void DL_Group::initialize(const BigInt& p1, const BigInt& q1, const BigInt& g1)
+   {
+   if(p1 < 3)
+      throw Invalid_Argument("DL_Group: Prime invalid");
+   if(g1 < 2 || g1 >= p1)
+      throw Invalid_Argument("DL_Group: Generator invalid");
+   if(q1 < 0 || q1 >= p1)
+      throw Invalid_Argument("DL_Group: Subgroup invalid");
+
+   p = p1;
+   g = g1;
+   q = q1;
+
+   initialized = true;
+   }
+
+/*
+* Verify that the group has been set
+*/
+void DL_Group::init_check() const
+   {
+   if(!initialized)
+      throw Invalid_State("DLP group cannot be used uninitialized");
+   }
+
+/*
+* Verify the parameters
+*/
+bool DL_Group::verify_group(RandomNumberGenerator& rng,
+                            bool strong) const
+   {
+   init_check();
+
+   if(g < 2 || p < 3 || q < 0)
+      return false;
+   if((q != 0) && ((p - 1) % q != 0))
+      return false;
+
+   if(!strong)
+      return true;
+
+   if(!check_prime(p, rng))
+      return false;
+   if((q > 0) && !check_prime(q, rng))
+      return false;
+   return true;
+   }
+
+/*
+* Return the prime
+*/
+const BigInt& DL_Group::get_p() const
+   {
+   init_check();
+   return p;
+   }
+
+/*
+* Return the generator
+*/
+const BigInt& DL_Group::get_g() const
+   {
+   init_check();
+   return g;
+   }
+
+/*
+* Return the subgroup
+*/
+const BigInt& DL_Group::get_q() const
+   {
+   init_check();
+   if(q == 0)
+      throw Invalid_State("DLP group has no q prime specified");
+   return q;
+   }
+
+/*
+* DER encode the parameters
+*/
+std::vector<byte> DL_Group::DER_encode(Format format) const
+   {
+   init_check();
+
+   if((q == 0) && (format != PKCS_3))
+      throw Encoding_Error("The ANSI DL parameter formats require a subgroup");
+
+   if(format == ANSI_X9_57)
+      {
+      return DER_Encoder()
+         .start_cons(SEQUENCE)
+            .encode(p)
+            .encode(q)
+            .encode(g)
+         .end_cons()
+      .get_contents_unlocked();
+      }
+   else if(format == ANSI_X9_42)
+      {
+      return DER_Encoder()
+         .start_cons(SEQUENCE)
+            .encode(p)
+            .encode(g)
+            .encode(q)
+         .end_cons()
+      .get_contents_unlocked();
+      }
+   else if(format == PKCS_3)
+      {
+      return DER_Encoder()
+         .start_cons(SEQUENCE)
+            .encode(p)
+            .encode(g)
+         .end_cons()
+      .get_contents_unlocked();
+      }
+
+   throw Invalid_Argument("Unknown DL_Group encoding " + std::to_string(format));
+   }
+
+/*
+* PEM encode the parameters
+*/
+std::string DL_Group::PEM_encode(Format format) const
+   {
+   const std::vector<byte> encoding = DER_encode(format);
+
+   if(format == PKCS_3)
+      return PEM_Code::encode(encoding, "DH PARAMETERS");
+   else if(format == ANSI_X9_57)
+      return PEM_Code::encode(encoding, "DSA PARAMETERS");
+   else if(format == ANSI_X9_42)
+      return PEM_Code::encode(encoding, "X942 DH PARAMETERS");
+   else
+      throw Invalid_Argument("Unknown DL_Group encoding " + std::to_string(format));
+   }
+
+/*
+* Decode BER encoded parameters
+*/
+void DL_Group::BER_decode(const std::vector<byte>& data,
+                          Format format)
+   {
+   BigInt new_p, new_q, new_g;
+
+   BER_Decoder decoder(data);
+   BER_Decoder ber = decoder.start_cons(SEQUENCE);
+
+   if(format == ANSI_X9_57)
+      {
+      ber.decode(new_p)
+         .decode(new_q)
+         .decode(new_g)
+         .verify_end();
+      }
+   else if(format == ANSI_X9_42)
+      {
+      ber.decode(new_p)
+         .decode(new_g)
+         .decode(new_q)
+         .discard_remaining();
+      }
+   else if(format == PKCS_3)
+      {
+      ber.decode(new_p)
+         .decode(new_g)
+         .discard_remaining();
+      }
+   else
+      throw Invalid_Argument("Unknown DL_Group encoding " + std::to_string(format));
+
+   initialize(new_p, new_q, new_g);
+   }
+
+/*
+* Decode PEM encoded parameters
+*/
+void DL_Group::PEM_decode(const std::string& pem)
+   {
+   std::string label;
+
+   auto ber = unlock(PEM_Code::decode(pem, label));
+
+   if(label == "DH PARAMETERS")
+      BER_decode(ber, PKCS_3);
+   else if(label == "DSA PARAMETERS")
+      BER_decode(ber, ANSI_X9_57);
+   else if(label == "X942 DH PARAMETERS")
+      BER_decode(ber, ANSI_X9_42);
+   else
+      throw Decoding_Error("DL_Group: Invalid PEM label " + label);
+   }
+
+/*
+* Create generator of the q-sized subgroup (DSA style generator)
+*/
+BigInt DL_Group::make_dsa_generator(const BigInt& p, const BigInt& q)
+   {
+   const BigInt e = (p - 1) / q;
+
+   if(e == 0 || (p - 1) % q > 0)
+      throw std::invalid_argument("make_dsa_generator q does not divide p-1");
+
+   for(size_t i = 0; i != PRIME_TABLE_SIZE; ++i)
+      {
+      BigInt g = power_mod(PRIMES[i], e, p);
+      if(g > 1)
+         return g;
+      }
+
+   throw Internal_Error("DL_Group: Couldn't create a suitable generator");
+   }
+
+}
diff --git a/lib/pubkey/dl_group/dl_group.h b/lib/pubkey/dl_group/dl_group.h
new file mode 100644
index 000000000..e219bdcbd
--- /dev/null
+++ b/lib/pubkey/dl_group/dl_group.h
@@ -0,0 +1,170 @@
+/*
+* Discrete Logarithm Group
+* (C) 1999-2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_DL_PARAM_H__
+#define BOTAN_DL_PARAM_H__
+
+#include <botan/bigint.h>
+#include <botan/data_src.h>
+
+namespace Botan {
+
+/**
+* This class represents discrete logarithm groups. It holds a prime p,
+* a prime q = (p-1)/2 and g = x^((p-1)/q) mod p.
+*/
+class BOTAN_DLL DL_Group
+   {
+   public:
+
+      /**
+      * Get the prime p.
+      * @return prime p
+      */
+      const BigInt& get_p() const;
+
+      /**
+      * Get the prime q.
+      * @return prime q
+      */
+      const BigInt& get_q() const;
+
+      /**
+      * Get the base g.
+      * @return base g
+      */
+      const BigInt& get_g() const;
+
+      /**
+      * The DL group encoding format variants.
+      */
+      enum Format {
+         ANSI_X9_42,
+         ANSI_X9_57,
+         PKCS_3,
+
+         DSA_PARAMETERS = ANSI_X9_57,
+         DH_PARAMETERS = ANSI_X9_42,
+         X942_DH_PARAMETERS = ANSI_X9_42,
+         PKCS3_DH_PARAMETERS = PKCS_3
+      };
+
+      /**
+      * Determine the prime creation for DL groups.
+      */
+      enum PrimeType { Strong, Prime_Subgroup, DSA_Kosherizer };
+
+      /**
+      * Perform validity checks on the group.
+      * @param rng the rng to use
+      * @param strong whether to perform stronger by lengthier tests
+      * @return true if the object is consistent, false otherwise
+      */
+      bool verify_group(RandomNumberGenerator& rng, bool strong) const;
+
+      /**
+      * Encode this group into a string using PEM encoding.
+      * @param format the encoding format
+      * @return string holding the PEM encoded group
+      */
+      std::string PEM_encode(Format format) const;
+
+      /**
+      * Encode this group into a string using DER encoding.
+      * @param format the encoding format
+      * @return string holding the DER encoded group
+      */
+      std::vector<byte> DER_encode(Format format) const;
+
+      /**
+      * Decode a DER/BER encoded group into this instance.
+      * @param ber a vector containing the DER/BER encoded group
+      * @param format the format of the encoded group
+      */
+      void BER_decode(const std::vector<byte>& ber,
+                      Format format);
+
+      /**
+      * Decode a PEM encoded group into this instance.
+      * @param pem the PEM encoding of the group
+      */
+      void PEM_decode(const std::string& pem);
+
+      /**
+      * Construct a DL group with uninitialized internal value.
+      * Use this constructor is you wish to set the groups values
+      * from a DER or PEM encoded group.
+      */
+      DL_Group();
+
+      /**
+      * Construct a DL group that is registered in the configuration.
+      * @param name the name that is configured in the global configuration
+      * for the desired group. If no configuration file is specified,
+      * the default values from the file policy.cpp will be used. For instance,
+      * use "modp/ietf/768" as name.
+      */
+      DL_Group(const std::string& name);
+
+      /**
+      * Create a new group randomly.
+      * @param rng the random number generator to use
+      * @param type specifies how the creation of primes p and q shall
+      * be performed. If type=Strong, then p will be determined as a
+      * safe prime, and q will be chosen as (p-1)/2. If
+      * type=Prime_Subgroup and qbits = 0, then the size of q will be
+      * determined according to the estimated difficulty of the DL
+      * problem. If type=DSA_Kosherizer, DSA primes will be created.
+      * @param pbits the number of bits of p
+      * @param qbits the number of bits of q. Leave it as 0 to have
+      * the value determined according to pbits.
+      */
+      DL_Group(RandomNumberGenerator& rng, PrimeType type,
+               size_t pbits, size_t qbits = 0);
+
+      /**
+      * Create a DSA group with a given seed.
+      * @param rng the random number generator to use
+      * @param seed the seed to use to create the random primes
+      * @param pbits the desired bit size of the prime p
+      * @param qbits the desired bit size of the prime q.
+      */
+      DL_Group(RandomNumberGenerator& rng,
+               const std::vector<byte>& seed,
+               size_t pbits = 1024, size_t qbits = 0);
+
+      /**
+      * Create a DL group. The prime q will be determined according to p.
+      * @param p the prime p
+      * @param g the base g
+      */
+      DL_Group(const BigInt& p, const BigInt& g);
+
+      /**
+      * Create a DL group.
+      * @param p the prime p
+      * @param q the prime q
+      * @param g the base g
+      */
+      DL_Group(const BigInt& p, const BigInt& q, const BigInt& g);
+
+      /**
+      * Return PEM representation of named DL group
+      */
+      static const char* PEM_for_named_group(const std::string& name);
+   private:
+      static BigInt make_dsa_generator(const BigInt&, const BigInt&);
+
+      void init_check() const;
+      void initialize(const BigInt&, const BigInt&, const BigInt&);
+      bool initialized;
+      BigInt p, q, g;
+   };
+
+}
+
+#endif
diff --git a/lib/pubkey/dl_group/info.txt b/lib/pubkey/dl_group/info.txt
new file mode 100644
index 000000000..26c6f12ca
--- /dev/null
+++ b/lib/pubkey/dl_group/info.txt
@@ -0,0 +1,10 @@
+define DL_GROUP 20131128
+
+<requires>
+asn1
+bigint
+filters
+libstate
+numbertheory
+pem
+</requires>
diff --git a/lib/pubkey/dl_group/named.cpp b/lib/pubkey/dl_group/named.cpp
new file mode 100644
index 000000000..df44f026b
--- /dev/null
+++ b/lib/pubkey/dl_group/named.cpp
@@ -0,0 +1,360 @@
+/*
+* List of discrete log groups
+* (C) 2013 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/dl_group.h>
+
+namespace Botan {
+
+const char* DL_Group::PEM_for_named_group(const std::string& name)
+   {
+   if(name == "modp/ietf/1024")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIIBCgKBgQD//////////8kP2qIhaMI0xMZii4DcHNEpAk4IimfMdAILvqY7E5si"
+         "UUoIeY40BN3vlRmzzTpDGzArCm3yXxQ3T+E1bW1RwkXkhbV2Yl5+xvRMQummN+1r"
+         "C/9ctvQGt+3uOGv7Womfpa6fJBF8Sx/mSShmUezmU4H//////////wIBAgKBgH//"
+         "////////5IftURC0YRpiYzFFwG4OaJSBJwRFM+Y6AQXfUx2JzZEopQQ8xxoCbvfK"
+         "jNnmnSGNmBWFNvkvihun8Jq2tqjhIvJC2rsxLz9jeiYhdNMb9rWF/65begNb9vcc"
+         "Nf2tRM/S10+SCL4lj/MklDMo9nMpwP//////////"
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/srp/1024")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIIBCgKBgQDurwq5rbON1pwz+Ar6j8XoYHJhh3X/PAueojFMnCVldtZ033SW6oHT"
+         "ODtIE9aSxuDg1djiULmL5I5JXB1gidrRXcfXtGFU1rbOjvStabFdSYJVmyl7zxiF"
+         "xSn1ZmYOV+xo7bw8BXJswC/Uy/SXbqqa/VE4/oN2Q1ufxh0vwOsG4wIBAgKBgHdX"
+         "hVzW2cbrThn8BX1H4vQwOTDDuv+eBc9RGKZOErK7azpvukt1QOmcHaQJ60ljcHBq"
+         "7HEoXMXyRySuDrBE7Wiu4+vaMKprW2dHela02K6kwSrNlL3njELilPqzMwcr9jR2"
+         "3h4CuTZgF+pl+ku3VU1+qJx/Qbshrc/jDpfgdYNx"
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/ietf/1536")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIIBigKBwQD//////////8kP2qIhaMI0xMZii4DcHNEpAk4IimfMdAILvqY7E5si"
+         "UUoIeY40BN3vlRmzzTpDGzArCm3yXxQ3T+E1bW1RwkXkhbV2Yl5+xvRMQummN+1r"
+         "C/9ctvQGt+3uOGv7Womfpa6fJBF8Sx/mSShmUezkWz3CAHy4oWO/BZjaSDYcVdOa"
+         "aRY/qP0kz1+DZV0j3KOtlhxi81YghVK7ntUpB3CWlm1nDDVOSryYBPF0bAjKI3Mn"
+         "//////////8CAQICgcB//////////+SH7VEQtGEaYmMxRcBuDmiUgScERTPmOgEF"
+         "31Mdic2RKKUEPMcaAm73yozZ5p0hjZgVhTb5L4obp/Catrao4SLyQtq7MS8/Y3om"
+         "IXTTG/a1hf+uW3oDW/b3HDX9rUTP0tdPkgi+JY/zJJQzKPZyLZ7hAD5cULHfgsxt"
+         "JBsOKunNNIsf1H6SZ6/Bsq6R7lHWyw4xeasQQqldz2qUg7hLSzazhhqnJV5MAni6"
+         "NgRlEbmT//////////8="
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/srp/1536")
+      return
+         "-----BEGIN DH PARAMETERS-----"
+         "MIHHAoHBAJ3vPK+5OSd6sfEqhheke7vbpR30maxMgL7uqWFLGcxNX09fVW4ny95R"
+         "xqlL5GB6KRVYkDug0PhDgLZVu5oi6NzfAop87Gfw0IE0sci5eYkUm2CeC+O6tj1H"
+         "VIOB28Wx/HZOP0tT3Z2hFYv9PiucjPVu3wGVOTSWJ9sv1T0kt8SGZXcuQ31sf4zk"
+         "QnNK98y3roN8Jkrjqb64f4ov6bi1KS5aAh//XpFHnoznoowkQsbzFRgPk0maI03P"
+         "duP+0TX5uwIBAg=="
+         "-----END DH PARAMETERS-----";
+
+   if(name == "modp/ietf/2048")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIICDAKCAQEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqsqmj//////////wIBAgKCAQB//////////+SH7VEQtGEa"
+         "YmMxRcBuDmiUgScERTPmOgEF31Mdic2RKKUEPMcaAm73yozZ5p0hjZgVhTb5L4ob"
+         "p/Catrao4SLyQtq7MS8/Y3omIXTTG/a1hf+uW3oDW/b3HDX9rUTP0tdPkgi+JY/z"
+         "JJQzKPZyLZ7hAD5cULHfgsxtJBsOKunNNIsf1H6SZ6/Bsq6R7lHWyw4xeasQQqld"
+         "z2qUg7hLSzazhhqnJV5MAni6NgRlDBC+GUgvIxcbZx3xzzuWDAdDAc2TwdF2A9FH"
+         "2uKu+DemKWTvFeX7SqwLjBzKpL51SrVyiukTDEx9AogKuUctRVZVNH//////////"
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/srp/2048")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIICDAKCAQEArGvbQTJKmpvxZt5eE4lYL69ytmUZh+4H/DGSlD21YFCjcynLtKCZ"
+         "7YGT4HV3Z6E91SMSq0sDMQ3Nf0ip2gT9UOgIOWntt2ewz2CVF5oWOrNmGgX71fqq"
+         "6CkYqZYvC5O4Vfl5k+yXXuqoDXQK2/T/dHNZ0EHVwz6nHSgeRGsUdzvKl7Q6I/uA"
+         "Fna9IHpDbGSB8dK5B4cXRhpbnTLmiPh3SFRFI7UksNV9Xqd6J3XS7PoDLPvb9S+z"
+         "eGFgJ5AE5Xrmr4dOcwPOUymczAQce8MI2CpWmPOo0MOCca41+Onb+7aUtcgD2J96"
+         "5DXeI21SX1R1m2XjcvzWjvIPpxEfnkr/cwIBAgKCAQBWNe2gmSVNTfizby8JxKwX"
+         "17lbMozD9wP+GMlKHtqwKFG5lOXaUEz2wMnwOruz0J7qkYlVpYGYhua/pFTtAn6o"
+         "dAQctPbbs9hnsEqLzQsdWbMNAv3q/VV0FIxUyxeFydwq/LzJ9kuvdVQGugVt+n+6"
+         "OazoIOrhn1OOlA8iNYo7neVL2h0R/cALO16QPSG2MkD46VyDw4ujDS3OmXNEfDuk"
+         "KiKR2pJYar6vU70Tuul2fQGWfe36l9m8MLATyAJyvXNXw6c5gecplM5mAg494YRs"
+         "FStMedRoYcE41xr8dO3920pa5AHsT71yGu8RtqkvqjrNsvG5fmtHeQfTiI/PJX+5"
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/ietf/3072")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIIDDAKCAYEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqqxC2tMxcNBFB6M6hVIavfHLpk7PuFBFjb7wqK6nFXXQYM"
+         "fbOXD4Wm4eTHq/WujNsJM9cejJTgSiVhnc7j0iYa0u5r8S/6BtmKCGTYdgJzPshq"
+         "ZFIfKxgXeyAMu+EXV3phXWx3CYjAutlG4gjiT6B05asxQ9tb/OD9EI5LgtEgqTrS"
+         "yv//////////AgECAoIBgH//////////5IftURC0YRpiYzFFwG4OaJSBJwRFM+Y6"
+         "AQXfUx2JzZEopQQ8xxoCbvfKjNnmnSGNmBWFNvkvihun8Jq2tqjhIvJC2rsxLz9j"
+         "eiYhdNMb9rWF/65begNb9vccNf2tRM/S10+SCL4lj/MklDMo9nItnuEAPlxQsd+C"
+         "zG0kGw4q6c00ix/UfpJnr8GyrpHuUdbLDjF5qxBCqV3PapSDuEtLNrOGGqclXkwC"
+         "eLo2BGUMEL4ZSC8jFxtnHfHPO5YMB0MBzZPB0XYD0Ufa4q74N6YpZO8V5ftKrAuM"
+         "HMqkvnVKtXKK6RMMTH0CiAq5Ry1FVWIW1pmLhoIoPRnUKpDV745dMnZ9woIsbfeF"
+         "RXU4q66DBj7Zy4fC03DyY9X610ZthJnrj0ZKcCUSsM7ncekTDWl3NfiX/QNsxQQy"
+         "bDsBOZ9kNTIpD5WMC72QBl3wi6u9MK62O4TEYF1so3EEcSfQOnLVmKHtrf5wfohH"
+         "JcFokFSdaWV//////////w=="
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/srp/3072")
+      return
+         "-----BEGIN DH PARAMETERS-----"
+         "MIIBiAKCAYEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqqxC2tMxcNBFB6M6hVIavfHLpk7PuFBFjb7wqK6nFXXQYM"
+         "fbOXD4Wm4eTHq/WujNsJM9cejJTgSiVhnc7j0iYa0u5r8S/6BtmKCGTYdgJzPshq"
+         "ZFIfKxgXeyAMu+EXV3phXWx3CYjAutlG4gjiT6B05asxQ9tb/OD9EI5LgtEgqTrS"
+         "yv//////////AgEF"
+         "-----END DH PARAMETERS-----";
+
+   if(name == "modp/ietf/4096")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIIEDAKCAgEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqqxC2tMxcNBFB6M6hVIavfHLpk7PuFBFjb7wqK6nFXXQYM"
+         "fbOXD4Wm4eTHq/WujNsJM9cejJTgSiVhnc7j0iYa0u5r8S/6BtmKCGTYdgJzPshq"
+         "ZFIfKxgXeyAMu+EXV3phXWx3CYjAutlG4gjiT6B05asxQ9tb/OD9EI5LgtEgqSEI"
+         "ARpyPBKnh+bXiHGaEL26WyaZwycYavTiPBqUaDS2FQvaJYPpyirUTOjbu8LbBN6O"
+         "+S6O/BQfvsqmKHxZR05rwF2ZspZPoJDDoiM7oYZRW+ftH2EpcM7i16+4G912IXBI"
+         "HNAGkSfVsFqpk7TqmI2P3cGG/7fckKbAj030Nck0BjGZ//////////8CAQICggIA"
+         "f//////////kh+1RELRhGmJjMUXAbg5olIEnBEUz5joBBd9THYnNkSilBDzHGgJu"
+         "98qM2eadIY2YFYU2+S+KG6fwmra2qOEi8kLauzEvP2N6JiF00xv2tYX/rlt6A1v2"
+         "9xw1/a1Ez9LXT5IIviWP8ySUMyj2ci2e4QA+XFCx34LMbSQbDirpzTSLH9R+kmev"
+         "wbKuke5R1ssOMXmrEEKpXc9qlIO4S0s2s4YapyVeTAJ4ujYEZQwQvhlILyMXG2cd"
+         "8c87lgwHQwHNk8HRdgPRR9rirvg3pilk7xXl+0qsC4wcyqS+dUq1corpEwxMfQKI"
+         "CrlHLUVVYhbWmYuGgig9GdQqkNXvjl0ydn3Cgixt94VFdTirroMGPtnLh8LTcPJj"
+         "1frXRm2EmeuPRkpwJRKwzudx6RMNaXc1+Jf9A2zFBDJsOwE5n2Q1MikPlYwLvZAG"
+         "XfCLq70wrrY7hMRgXWyjcQRxJ9A6ctWYoe2t/nB+iEclwWiQVJCEAI05HglTw/Nr"
+         "xDjNCF7dLZNM4ZOMNXpxHg1KNBpbCoXtEsH05RVqJnRt3eFtgm9HfJdHfgoP32VT"
+         "FD4so6c14C7M2Usn0Ehh0RGd0MMorfP2j7CUuGdxa9fcDe67ELgkDmgDSJPq2C1U"
+         "ydp1TEbH7uDDf9vuSFNgR6b6GuSaAxjM//////////8="
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/srp/4096")
+      return
+         "-----BEGIN DH PARAMETERS-----"
+         "MIICCAKCAgEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqqxC2tMxcNBFB6M6hVIavfHLpk7PuFBFjb7wqK6nFXXQYM"
+         "fbOXD4Wm4eTHq/WujNsJM9cejJTgSiVhnc7j0iYa0u5r8S/6BtmKCGTYdgJzPshq"
+         "ZFIfKxgXeyAMu+EXV3phXWx3CYjAutlG4gjiT6B05asxQ9tb/OD9EI5LgtEgqSEI"
+         "ARpyPBKnh+bXiHGaEL26WyaZwycYavTiPBqUaDS2FQvaJYPpyirUTOjbu8LbBN6O"
+         "+S6O/BQfvsqmKHxZR05rwF2ZspZPoJDDoiM7oYZRW+ftH2EpcM7i16+4G912IXBI"
+         "HNAGkSfVsFqpk7TqmI2P3cGG/7fckKbAj030Nck0BjGZ//////////8CAQU="
+         "-----END DH PARAMETERS-----";
+
+   if(name == "modp/ietf/6144")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIIGDAKCAwEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqqxC2tMxcNBFB6M6hVIavfHLpk7PuFBFjb7wqK6nFXXQYM"
+         "fbOXD4Wm4eTHq/WujNsJM9cejJTgSiVhnc7j0iYa0u5r8S/6BtmKCGTYdgJzPshq"
+         "ZFIfKxgXeyAMu+EXV3phXWx3CYjAutlG4gjiT6B05asxQ9tb/OD9EI5LgtEgqSEI"
+         "ARpyPBKnh+bXiHGaEL26WyaZwycYavTiPBqUaDS2FQvaJYPpyirUTOjbu8LbBN6O"
+         "+S6O/BQfvsqmKHxZR05rwF2ZspZPoJDDoiM7oYZRW+ftH2EpcM7i16+4G912IXBI"
+         "HNAGkSfVsFqpk7TqmI2P3cGG/7fckKbAj030Nck0AoSSNsP6tNJ8cCbB1NyyYCZG"
+         "3sl1HnY9uje9+P+UBq2eUw7l2zgvQTABrrBqU+2QJ9gxF5cnsIZaiRjaPtvrz5sU"
+         "7UTObLrO1Lsb238UR+bMJUszIFFRK9evQm+49AE3jNK/WYPKAcZLkuzwMuoV0XId"
+         "A/SC185udP721V5wL0aYDIK1qEAxkAscnlnnyX++x+jzI6l6fjbMiL4PHUW3/1ha"
+         "xUvUB7IrQVSqzI9tfr9I4dgUzF7SD4A34KeXFe7ym+MoBqHVi7fF2nb1UKo9ih+/"
+         "8OsZzLGjE9Vc2lbJ7C7yljI4f+jXbjwEaAQ+j2Y/SGDuEr8tWwt0dNbmlPkebcxA"
+         "JP//////////AoIDAH//////////5IftURC0YRpiYzFFwG4OaJSBJwRFM+Y6AQXf"
+         "Ux2JzZEopQQ8xxoCbvfKjNnmnSGNmBWFNvkvihun8Jq2tqjhIvJC2rsxLz9jeiYh"
+         "dNMb9rWF/65begNb9vccNf2tRM/S10+SCL4lj/MklDMo9nItnuEAPlxQsd+CzG0k"
+         "Gw4q6c00ix/UfpJnr8GyrpHuUdbLDjF5qxBCqV3PapSDuEtLNrOGGqclXkwCeLo2"
+         "BGUMEL4ZSC8jFxtnHfHPO5YMB0MBzZPB0XYD0Ufa4q74N6YpZO8V5ftKrAuMHMqk"
+         "vnVKtXKK6RMMTH0CiAq5Ry1FVWIW1pmLhoIoPRnUKpDV745dMnZ9woIsbfeFRXU4"
+         "q66DBj7Zy4fC03DyY9X610ZthJnrj0ZKcCUSsM7ncekTDWl3NfiX/QNsxQQybDsB"
+         "OZ9kNTIpD5WMC72QBl3wi6u9MK62O4TEYF1so3EEcSfQOnLVmKHtrf5wfohHJcFo"
+         "kFSQhACNOR4JU8Pza8Q4zQhe3S2TTOGTjDV6cR4NSjQaWwqF7RLB9OUVaiZ0bd3h"
+         "bYJvR3yXR34KD99lUxQ+LKOnNeAuzNlLJ9BIYdERndDDKK3z9o+wlLhncWvX3A3u"
+         "uxC4JA5oA0iT6tgtVMnadUxGx+7gw3/b7khTYEem+hrkmgFCSRth/VppPjgTYOpu"
+         "WTATI29kuo87Ht0b3vx/ygNWzymHcu2cF6CYANdYNSn2yBPsGIvLk9hDLUSMbR9t"
+         "9efNinaiZzZdZ2pdje2/iiPzZhKlmZAoqJXr16E33HoAm8ZpX6zB5QDjJcl2eBl1"
+         "Cui5DoH6QWvnNzp/e2qvOBejTAZBWtQgGMgFjk8s8+S/32P0eZHUvT8bZkRfB46i"
+         "2/+sLWKl6gPZFaCqVWZHtr9fpHDsCmYvaQfAG/BTy4r3eU3xlANQ6sXb4u07eqhV"
+         "HsUP3/h1jOZY0Ynqrm0rZPYXeUsZHD/0a7ceAjQCH0ezH6Qwdwlflq2Fujprc0p8"
+         "jzbmIBJ//////////wIBAg=="
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/srp/6144")
+      return
+         "-----BEGIN DH PARAMETERS-----"
+         "MIIDCAKCAwEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqqxC2tMxcNBFB6M6hVIavfHLpk7PuFBFjb7wqK6nFXXQYM"
+         "fbOXD4Wm4eTHq/WujNsJM9cejJTgSiVhnc7j0iYa0u5r8S/6BtmKCGTYdgJzPshq"
+         "ZFIfKxgXeyAMu+EXV3phXWx3CYjAutlG4gjiT6B05asxQ9tb/OD9EI5LgtEgqSEI"
+         "ARpyPBKnh+bXiHGaEL26WyaZwycYavTiPBqUaDS2FQvaJYPpyirUTOjbu8LbBN6O"
+         "+S6O/BQfvsqmKHxZR05rwF2ZspZPoJDDoiM7oYZRW+ftH2EpcM7i16+4G912IXBI"
+         "HNAGkSfVsFqpk7TqmI2P3cGG/7fckKbAj030Nck0AoSSNsP6tNJ8cCbB1NyyYCZG"
+         "3sl1HnY9uje9+P+UBq2eUw7l2zgvQTABrrBqU+2QJ9gxF5cnsIZaiRjaPtvrz5sU"
+         "7UTObLrO1Lsb238UR+bMJUszIFFRK9evQm+49AE3jNK/WYPKAcZLkuzwMuoV0XId"
+         "A/SC185udP721V5wL0aYDIK1qEAxkAscnlnnyX++x+jzI6l6fjbMiL4PHUW3/1ha"
+         "xUvUB7IrQVSqzI9tfr9I4dgUzF7SD4A34KeXFe7ym+MoBqHVi7fF2nb1UKo9ih+/"
+         "8OsZzLGjE9Vc2lbJ7C7yljI4f+jXbjwEaAQ+j2Y/SGDuEr8tWwt0dNbmlPkebcxA"
+         "JP//////////AgEF"
+         "-----END DH PARAMETERS-----";
+
+   if(name == "modp/ietf/8192")
+      return
+         "-----BEGIN X942 DH PARAMETERS-----"
+         "MIIIDAKCBAEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqqxC2tMxcNBFB6M6hVIavfHLpk7PuFBFjb7wqK6nFXXQYM"
+         "fbOXD4Wm4eTHq/WujNsJM9cejJTgSiVhnc7j0iYa0u5r8S/6BtmKCGTYdgJzPshq"
+         "ZFIfKxgXeyAMu+EXV3phXWx3CYjAutlG4gjiT6B05asxQ9tb/OD9EI5LgtEgqSEI"
+         "ARpyPBKnh+bXiHGaEL26WyaZwycYavTiPBqUaDS2FQvaJYPpyirUTOjbu8LbBN6O"
+         "+S6O/BQfvsqmKHxZR05rwF2ZspZPoJDDoiM7oYZRW+ftH2EpcM7i16+4G912IXBI"
+         "HNAGkSfVsFqpk7TqmI2P3cGG/7fckKbAj030Nck0AoSSNsP6tNJ8cCbB1NyyYCZG"
+         "3sl1HnY9uje9+P+UBq2eUw7l2zgvQTABrrBqU+2QJ9gxF5cnsIZaiRjaPtvrz5sU"
+         "7UTObLrO1Lsb238UR+bMJUszIFFRK9evQm+49AE3jNK/WYPKAcZLkuzwMuoV0XId"
+         "A/SC185udP721V5wL0aYDIK1qEAxkAscnlnnyX++x+jzI6l6fjbMiL4PHUW3/1ha"
+         "xUvUB7IrQVSqzI9tfr9I4dgUzF7SD4A34KeXFe7ym+MoBqHVi7fF2nb1UKo9ih+/"
+         "8OsZzLGjE9Vc2lbJ7C7yljI4f+jXbjwEaAQ+j2Y/SGDuEr8tWwt0dNbmlPkebb4R"
+         "WXSjkm8S/uXkOHd8tqky34zYvsTQc7kxujvIMraNndMAdB+nv4r8R+0ldvaTa6Qk"
+         "ZjqrY5xa5PVoNCO0dCvxyXgjjxbL451lLeP9uL78hIrZIiIuBKQDfAcT61eoGiPw"
+         "xzRz/GRs6jBrS8vIhi+Dhd36nUt/osCH6HloMwPtW906Bis89bOieKZtKhP4P0T4"
+         "Ld8xDuB0q2o2RZfomaAlXcFk8xzFCEaFHfmrSBld7X6hsdUQvX7nTXP682vDHs+i"
+         "aDWQRvTrh5+SQAlDi0gcbNeImgAu1e44K8kZDab8Am5HlVjkR1Z36aqeMFDidlaU"
+         "38gfVuiAuW5xYMmA3Zjt09///////////wKCBAB//////////+SH7VEQtGEaYmMx"
+         "RcBuDmiUgScERTPmOgEF31Mdic2RKKUEPMcaAm73yozZ5p0hjZgVhTb5L4obp/Ca"
+         "trao4SLyQtq7MS8/Y3omIXTTG/a1hf+uW3oDW/b3HDX9rUTP0tdPkgi+JY/zJJQz"
+         "KPZyLZ7hAD5cULHfgsxtJBsOKunNNIsf1H6SZ6/Bsq6R7lHWyw4xeasQQqldz2qU"
+         "g7hLSzazhhqnJV5MAni6NgRlDBC+GUgvIxcbZx3xzzuWDAdDAc2TwdF2A9FH2uKu"
+         "+DemKWTvFeX7SqwLjBzKpL51SrVyiukTDEx9AogKuUctRVViFtaZi4aCKD0Z1CqQ"
+         "1e+OXTJ2fcKCLG33hUV1OKuugwY+2cuHwtNw8mPV+tdGbYSZ649GSnAlErDO53Hp"
+         "Ew1pdzX4l/0DbMUEMmw7ATmfZDUyKQ+VjAu9kAZd8IurvTCutjuExGBdbKNxBHEn"
+         "0Dpy1Zih7a3+cH6IRyXBaJBUkIQAjTkeCVPD82vEOM0IXt0tk0zhk4w1enEeDUo0"
+         "GlsKhe0SwfTlFWomdG3d4W2Cb0d8l0d+Cg/fZVMUPiyjpzXgLszZSyfQSGHREZ3Q"
+         "wyit8/aPsJS4Z3Fr19wN7rsQuCQOaANIk+rYLVTJ2nVMRsfu4MN/2+5IU2BHpvoa"
+         "5JoBQkkbYf1aaT44E2DqblkwEyNvZLqPOx7dG978f8oDVs8ph3LtnBegmADXWDUp"
+         "9sgT7BiLy5PYQy1EjG0fbfXnzYp2omc2XWdqXY3tv4oj82YSpZmQKKiV69ehN9x6"
+         "AJvGaV+sweUA4yXJdngZdQrouQ6B+kFr5zc6f3tqrzgXo0wGQVrUIBjIBY5PLPPk"
+         "v99j9HmR1L0/G2ZEXweOotv/rC1ipeoD2RWgqlVmR7a/X6Rw7ApmL2kHwBvwU8uK"
+         "93lN8ZQDUOrF2+LtO3qoVR7FD9/4dYzmWNGJ6q5tK2T2F3lLGRw/9Gu3HgI0Ah9H"
+         "sx+kMHcJX5athbo6a3NKfI823wisulHJN4l/cvIcO75bVJlvxmxfYmg53JjdHeQZ"
+         "W0bO6YA6D9PfxX4j9pK7e0m10hIzHVWxzi1yerQaEdo6FfjkvBHHi2XxzrKW8f7c"
+         "X35CRWyRERcCUgG+A4n1q9QNEfhjmjn+MjZ1GDWl5eRDF8HC7v1Opb/RYEP0PLQZ"
+         "gfat7p0DFZ562dE8UzaVCfwfonwW75iHcDpVtRsiy/RM0BKu4LJ5jmKEI0KO/NWk"
+         "DK72v1DY6ohev3Omuf15teGPZ9E0GsgjenXDz8kgBKHFpA42a8RNABdq9xwV5IyG"
+         "034BNyPKrHIjqzv01U8YKHE7K0pv5A+rdEBctziwZMBuzHbp7///////////AgEC"
+         "-----END X942 DH PARAMETERS-----";
+
+   if(name == "modp/srp/8192")
+      return
+         "-----BEGIN DH PARAMETERS-----"
+         "MIIECAKCBAEA///////////JD9qiIWjCNMTGYouA3BzRKQJOCIpnzHQCC76mOxOb"
+         "IlFKCHmONATd75UZs806QxswKwpt8l8UN0/hNW1tUcJF5IW1dmJefsb0TELppjft"
+         "awv/XLb0Brft7jhr+1qJn6WunyQRfEsf5kkoZlHs5Fs9wgB8uKFjvwWY2kg2HFXT"
+         "mmkWP6j9JM9fg2VdI9yjrZYcYvNWIIVSu57VKQdwlpZtZww1Tkq8mATxdGwIyhgh"
+         "fDKQXkYuNs474553LBgOhgObJ4Oi7Aeij7XFXfBvTFLJ3ivL9pVYFxg5lUl86pVq"
+         "5RXSJhiY+gUQFXKOWoqqxC2tMxcNBFB6M6hVIavfHLpk7PuFBFjb7wqK6nFXXQYM"
+         "fbOXD4Wm4eTHq/WujNsJM9cejJTgSiVhnc7j0iYa0u5r8S/6BtmKCGTYdgJzPshq"
+         "ZFIfKxgXeyAMu+EXV3phXWx3CYjAutlG4gjiT6B05asxQ9tb/OD9EI5LgtEgqSEI"
+         "ARpyPBKnh+bXiHGaEL26WyaZwycYavTiPBqUaDS2FQvaJYPpyirUTOjbu8LbBN6O"
+         "+S6O/BQfvsqmKHxZR05rwF2ZspZPoJDDoiM7oYZRW+ftH2EpcM7i16+4G912IXBI"
+         "HNAGkSfVsFqpk7TqmI2P3cGG/7fckKbAj030Nck0AoSSNsP6tNJ8cCbB1NyyYCZG"
+         "3sl1HnY9uje9+P+UBq2eUw7l2zgvQTABrrBqU+2QJ9gxF5cnsIZaiRjaPtvrz5sU"
+         "7UTObLrO1Lsb238UR+bMJUszIFFRK9evQm+49AE3jNK/WYPKAcZLkuzwMuoV0XId"
+         "A/SC185udP721V5wL0aYDIK1qEAxkAscnlnnyX++x+jzI6l6fjbMiL4PHUW3/1ha"
+         "xUvUB7IrQVSqzI9tfr9I4dgUzF7SD4A34KeXFe7ym+MoBqHVi7fF2nb1UKo9ih+/"
+         "8OsZzLGjE9Vc2lbJ7C7yljI4f+jXbjwEaAQ+j2Y/SGDuEr8tWwt0dNbmlPkebb4R"
+         "WXSjkm8S/uXkOHd8tqky34zYvsTQc7kxujvIMraNndMAdB+nv4r8R+0ldvaTa6Qk"
+         "ZjqrY5xa5PVoNCO0dCvxyXgjjxbL451lLeP9uL78hIrZIiIuBKQDfAcT61eoGiPw"
+         "xzRz/GRs6jBrS8vIhi+Dhd36nUt/osCH6HloMwPtW906Bis89bOieKZtKhP4P0T4"
+         "Ld8xDuB0q2o2RZfomaAlXcFk8xzFCEaFHfmrSBld7X6hsdUQvX7nTXP682vDHs+i"
+         "aDWQRvTrh5+SQAlDi0gcbNeImgAu1e44K8kZDab8Am5HlVjkR1Z36aqeMFDidlaU"
+         "38gfVuiAuW5xYMmA3Zjt09///////////wIBEw=="
+         "-----END DH PARAMETERS-----";
+
+   if(name == "dsa/jce/1024")
+      return
+         "-----BEGIN DSA PARAMETERS-----"
+         "MIIBHgKBgQD9f1OBHXUSKVLfSpwu7OTn9hG3UjzvRADDHj+AtlEmaUVdQCJR+1k9"
+         "jVj6v8X1ujD2y5tVbNeBO4AdNG/yZmC3a5lQpaSfn+gEexAiwk+7qdf+t8Yb+DtX"
+         "58aophUPBPuD9tPFHsMCNVQTWhaRMvZ1864rYdcq7/IiAxmd0UgBxwIVAJdgUI8V"
+         "IwvMspK5gqLrhAvwWBz1AoGARpYDUS4wJ4zTlHWV2yLuyYJqYyKtyXNE9B10DDJX"
+         "JMj577qn1NgD/4xgnc0QDrxb38+tfGpCX66nhuogUOvpg1HqH9of3yTWlHqmuaoj"
+         "dmlTgC9NfUqOy6BtGXaKJJH/sW0O+cQ6mbX3FnL/bwoktETQc20E04oaEyLa9s3Y"
+         "jJ0="
+         "-----END DSA PARAMETERS-----";
+
+   if(name == "dsa/botan/2048")
+      return
+         "-----BEGIN DSA PARAMETERS-----"
+         "MIICLAKCAQEAkcSKT9+898Aq6V59oSYSK13Shk9Vm4fo50oobVL1m9HeaN/WRdDg"
+         "DGDAgAMYkZgDdO61lKUyv9Z7mgnqxLhmOgeRDmjzlGX7cEDSXfE5MuusQ0elMOy6"
+         "YchU+biA08DDZgCAWHxFVm2t4mvVo5S+CTtMDyS1r/747GxbPlf7iQJam8FnaZMh"
+         "MeFtPJTvyrGNDfBhIDzFPmEDvHLVWUv9QMplOA9EqahR3LB1SV/AM6ilgHGhvXj+"
+         "BS9mVVZI60txnSr+i0iA+NrW8VgYuhePiSdMhwvpuW6wjEbEAEDMLv4d+xsYaN0x"
+         "nePDSjKmOrbrEiQgmkGWgMx5AtFyjU354QIhAIzX1FD4bwrZTu5M5GmodW0evRBY"
+         "JBlD6v+ws1RYXpJNAoIBAA2fXgdhtNvRgz1qsalhoJlsXyIwP3LYTBQPZ8Qx2Uq1"
+         "cVvqgaDJjTnOS8941rnryJXTT+idlAkdWEhhXvFfXobxHZb2yWniA936WDVkIKSc"
+         "tES1lbkBqTPP4HZ7WU8YoHt/kd7NukRriJkPePL/kfL+fNQ/0uRtGOraH3u2YCxh"
+         "f27zpLKE8v2boQo2BC3o+oeiyjZZf+yBFXoUheRAQd8CgwERy4gLvm7UlIFIhvll"
+         "zcMTX1zPE4Nyi/ZbgG+WksCxDWxMCcdabKO0ATyxarLBBfa+I66pAA6rIXiYX5cs"
+         "mAV+HIbkTnIYaI6krg82NtzKdFydzU5q/7Z8y8E9YTE="
+         "-----END DSA PARAMETERS-----";
+
+   if(name == "dsa/botan/3072")
+      return
+         "-----BEGIN DSA PARAMETERS-----"
+         "MIIDLAKCAYEA5LUIgHWWY1heFCRgyi2d/xMviuTIQN2jomZoiRJP5WOLhOiim3rz"
+         "+hIJvmv8S1By7Tsrc4e68/hX9HioAijvNgC3az3Pth0g00RlslBtLK+H3259wM6R"
+         "vS0Wekb2rcwxxTHk+cervbkq3fNbCoBsZikqX14X6WTdCZkDczrEKKs12A6m9oW/"
+         "uovkBo5UGK5eytno/wc94rY+Tn6tNciptwtb1Hz7iNNztm83kxk5sKtxvVWVgJCG"
+         "2gFVM30YWg5Ps2pRmxtiArhZHmACRJzxzTpmOE9tIHOxzXO+ypO68eGmEX0COPIi"
+         "rh7X/tGFqJDn9n+rj+uXU8wTSlGD3+h64llfe1wtn7tCJJ/dWVE+HTOWs+sv2GaE"
+         "8oWoRI/nV6ApiBxAdguU75Gb35dAw4OJWZ7FGm6btRmo4GhJHpzgovz+PLYNZs8N"
+         "+tIKjsaEBIaEphREV1vRck1zUrRKdgB3s71r04XOWwpyUMwL92jagpI4Buuc+7E4"
+         "hDcxthggjHWbAiEAs+vTZOxp74zzuvZDt1c0sWM5suSeXN4bWcHp+0DuDFsCggGA"
+         "K+0h7vg5ZKIwrom7px2ffDnFL8gim047x+WUTTKdoQ8BDqyee69sAJ/E6ylgcj4r"
+         "Vt9GY+TDrIAOkljeL3ZJ0gZ4KJP4Ze/KSY0u7zAHTqXop6smJxKk2UovOwuaku5A"
+         "D7OKPMWaXcfkNtXABLIuNQKDgbUck0B+sy1K4P1Cy0XhLQ7O6KJiOO3iCCp7FSIR"
+         "PGbO+NdFxs88uUX4TS9N4W1Epx3hmCcOE/A1U8iLjTI60LlIob8hA6lJl5tu0W+1"
+         "88lT2Vt8jojKZ9z1pjb7nKOdkkIV96iE7Wx+48ltjZcVQnl0t8Q1EoLhPTdz99KL"
+         "RS8QiSoTx1hzKN6kgntrNpsqjcFyrcWD9R8qZZjFSD5bxGewL5HQWcQC0Y4sJoD3"
+         "dqoG9JKAoscsF8xC1bbnQMXEsas8UcLtCSviotiwU65Xc9FCXtKwjwbi3VBZLfGk"
+         "eMFVkc39EVZP+I/zi3IdQjkv2kcyEtz9jS2IqXagCv/m//tDCjWeZMorNRyiQSOU"
+         "-----END DSA PARAMETERS-----";
+
+   return nullptr;
+   }
+
+}