Remove the BigInt based NIST reduction functions

Going forward the assumption is that if the user cares about ECC
performance then pcurves is enabled.

src/cli/perf_math.cpp

@@ -14,7 +14,6 @@
 #if defined(BOTAN_HAS_NUMBERTHEORY)
  #include <botan/numthry.h>
  #include <botan/reducer.h>
- #include <botan/internal/curve_nistp.h>
  #include <botan/internal/primality.h>
 #endif
 
@@ -148,62 +147,6 @@ BOTAN_REGISTER_PERF_TEST("mp_div10", PerfTest_MpDiv10);
 
 #if defined(BOTAN_HAS_NUMBERTHEORY)
 
-class PerfTest_NistpRedc final : public PerfTest {
- public:
- void go(const PerfConfig& config) override {
- std::chrono::milliseconds runtime_per_group = config.runtime();
-
- Botan::secure_vector<Botan::word> ws;
-
- auto p192_timer = config.make_timer("P-192 redc");
- Botan::BigInt r192(config.rng(), 192 * 2 - 1);
- while(p192_timer->under(runtime_per_group)) {
- Botan::BigInt r = r192;
- p192_timer->run([&]() { Botan::redc_p192(r, ws); });
- r192 += 1;
- }
- config.record_result(*p192_timer);
-
- auto p224_timer = config.make_timer("P-224 redc");
- Botan::BigInt r224(config.rng(), 224 * 2 - 1);
- while(p224_timer->under(runtime_per_group)) {
- Botan::BigInt r = r224;
- p224_timer->run([&]() { Botan::redc_p224(r, ws); });
- r224 += 1;
- }
- config.record_result(*p224_timer);
-
- auto p256_timer = config.make_timer("P-256 redc");
- Botan::BigInt r256(config.rng(), 256 * 2 - 1);
- while(p256_timer->under(runtime_per_group)) {
- Botan::BigInt r = r256;
- p256_timer->run([&]() { Botan::redc_p256(r, ws); });
- r256 += 1;
- }
- config.record_result(*p256_timer);
-
- auto p384_timer = config.make_timer("P-384 redc");
- Botan::BigInt r384(config.rng(), 384 * 2 - 1);
- while(p384_timer->under(runtime_per_group)) {
- Botan::BigInt r = r384;
- p384_timer->run([&]() { Botan::redc_p384(r384, ws); });
- r384 += 1;
- }
- config.record_result(*p384_timer);
-
- auto p521_timer = config.make_timer("P-521 redc");
- Botan::BigInt r521(config.rng(), 521 * 2 - 1);
- while(p521_timer->under(runtime_per_group)) {
- Botan::BigInt r = r521;
- p521_timer->run([&]() { Botan::redc_p521(r521, ws); });
- r521 += 1;
- }
- config.record_result(*p521_timer);
- }
-};
-
-BOTAN_REGISTER_PERF_TEST("nistp_redc", PerfTest_NistpRedc);
-
 class PerfTest_BnRedc final : public PerfTest {
  public:
  void go(const PerfConfig& config) override {

src/lib/math/numbertheory/info.txt

@@ -13,7 +13,6 @@ reducer.h
 </header:public>
 
 <header:internal>
-curve_nistp.h
 monty.h
 monty_exp.h
 primality.h