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-rw-r--r--src/lib/pubkey/mce/code_based_key_gen.cpp1
-rw-r--r--src/lib/pubkey/mce/gf2m_small_m.h3
-rw-r--r--src/lib/pubkey/mce/mce_internal.h1
-rw-r--r--src/lib/pubkey/mce/mceliece.h11
-rw-r--r--src/lib/pubkey/mce/mceliece_key.cpp16
-rw-r--r--src/lib/pubkey/mce/polyn_gf2m.h6
6 files changed, 28 insertions, 10 deletions
diff --git a/src/lib/pubkey/mce/code_based_key_gen.cpp b/src/lib/pubkey/mce/code_based_key_gen.cpp
index 2768f5d36..8dc3a3178 100644
--- a/src/lib/pubkey/mce/code_based_key_gen.cpp
+++ b/src/lib/pubkey/mce/code_based_key_gen.cpp
@@ -13,6 +13,7 @@
#include <botan/mceliece.h>
#include <botan/internal/mce_internal.h>
#include <botan/internal/code_based_util.h>
+#include <botan/polyn_gf2m.h>
#include <botan/loadstor.h>
namespace Botan {
diff --git a/src/lib/pubkey/mce/gf2m_small_m.h b/src/lib/pubkey/mce/gf2m_small_m.h
index 44903bc46..ae3eab226 100644
--- a/src/lib/pubkey/mce/gf2m_small_m.h
+++ b/src/lib/pubkey/mce/gf2m_small_m.h
@@ -15,8 +15,7 @@
#include <botan/types.h>
#include <vector>
-// fixme - still used in mceliece.h
-//BOTAN_FUTURE_INTERNAL_HEADER(gf2m_small_m.h)
+BOTAN_FUTURE_INTERNAL_HEADER(gf2m_small_m.h)
namespace Botan {
diff --git a/src/lib/pubkey/mce/mce_internal.h b/src/lib/pubkey/mce/mce_internal.h
index f3845b286..7059f4e2e 100644
--- a/src/lib/pubkey/mce/mce_internal.h
+++ b/src/lib/pubkey/mce/mce_internal.h
@@ -16,6 +16,7 @@
#include <botan/types.h>
#include <botan/pk_ops.h>
#include <botan/mceliece.h>
+#include <botan/polyn_gf2m.h>
namespace Botan {
diff --git a/src/lib/pubkey/mce/mceliece.h b/src/lib/pubkey/mce/mceliece.h
index 0c86ec8c4..ba044ef7d 100644
--- a/src/lib/pubkey/mce/mceliece.h
+++ b/src/lib/pubkey/mce/mceliece.h
@@ -14,10 +14,13 @@
#include <botan/pk_keys.h>
#include <botan/polyn_gf2m.h>
-#include <botan/exceptn.h>
namespace Botan {
+typedef uint16_t gf2m;
+
+class polyn_gf2m;
+
class BOTAN_PUBLIC_API(2,0) McEliece_PublicKey : public virtual Public_Key
{
public:
@@ -94,9 +97,11 @@ class BOTAN_PUBLIC_API(2,0) McEliece_PrivateKey final : public virtual McEliece_
std::vector<gf2m> const& inverse_support,
std::vector<uint8_t> const& public_matrix );
+ ~McEliece_PrivateKey();
+
bool check_key(RandomNumberGenerator& rng, bool strong) const override;
- polyn_gf2m const& get_goppa_polyn() const { return m_g; }
+ polyn_gf2m const& get_goppa_polyn() const;
std::vector<uint32_t> const& get_H_coeffs() const { return m_coeffs; }
std::vector<gf2m> const& get_Linv() const { return m_Linv; }
std::vector<polyn_gf2m> const& get_sqrtmod() const { return m_sqrtmod; }
@@ -116,7 +121,7 @@ class BOTAN_PUBLIC_API(2,0) McEliece_PrivateKey final : public virtual McEliece_
const std::string& params,
const std::string& provider) const override;
private:
- polyn_gf2m m_g;
+ std::vector<polyn_gf2m> m_g; // single element
std::vector<polyn_gf2m> m_sqrtmod;
std::vector<gf2m> m_Linv;
std::vector<uint32_t> m_coeffs;
diff --git a/src/lib/pubkey/mce/mceliece_key.cpp b/src/lib/pubkey/mce/mceliece_key.cpp
index 6b44b4a73..283421be4 100644
--- a/src/lib/pubkey/mce/mceliece_key.cpp
+++ b/src/lib/pubkey/mce/mceliece_key.cpp
@@ -11,6 +11,7 @@
*/
#include <botan/mceliece.h>
+#include <botan/polyn_gf2m.h>
#include <botan/internal/mce_internal.h>
#include <botan/internal/bit_ops.h>
#include <botan/internal/code_based_util.h>
@@ -28,7 +29,7 @@ McEliece_PrivateKey::McEliece_PrivateKey(polyn_gf2m const& goppa_polyn,
std::vector<gf2m> const& inverse_support,
std::vector<uint8_t> const& public_matrix) :
McEliece_PublicKey(public_matrix, goppa_polyn.get_degree(), inverse_support.size()),
- m_g(goppa_polyn),
+ m_g{goppa_polyn},
m_sqrtmod(square_root_matrix),
m_Linv(inverse_support),
m_coeffs(parity_check_matrix_coeffs),
@@ -43,6 +44,13 @@ McEliece_PrivateKey::McEliece_PrivateKey(RandomNumberGenerator& rng, size_t code
*this = generate_mceliece_key(rng, ext_deg, code_length, t);
}
+McEliece_PrivateKey::~McEliece_PrivateKey() = default;
+
+const polyn_gf2m& McEliece_PrivateKey::get_goppa_polyn() const
+ {
+ return m_g[0];
+ }
+
size_t McEliece_PublicKey::get_message_word_bit_length() const
{
size_t codimension = ceil_log2(m_code_length) * m_t;
@@ -120,7 +128,7 @@ secure_vector<uint8_t> McEliece_PrivateKey::private_key_bits() const
.encode(static_cast<size_t>(get_t()))
.end_cons()
.encode(m_public_matrix, OCTET_STRING)
- .encode(m_g.encode(), OCTET_STRING); // g as octet string
+ .encode(m_g[0].encode(), OCTET_STRING); // g as octet string
enc.start_cons(SEQUENCE);
for(size_t i = 0; i < m_sqrtmod.size(); i++)
{
@@ -189,8 +197,8 @@ McEliece_PrivateKey::McEliece_PrivateKey(const secure_vector<uint8_t>& key_bits)
m_dimension = (n - m_codimension);
std::shared_ptr<GF2m_Field> sp_field(new GF2m_Field(ext_deg));
- m_g = polyn_gf2m(enc_g, sp_field);
- if(m_g.get_degree() != static_cast<int>(t))
+ m_g = { polyn_gf2m(enc_g, sp_field) };
+ if(m_g[0].get_degree() != static_cast<int>(t))
{
throw Decoding_Error("degree of decoded Goppa polynomial is incorrect");
}
diff --git a/src/lib/pubkey/mce/polyn_gf2m.h b/src/lib/pubkey/mce/polyn_gf2m.h
index 55e865a29..0f9bf07f9 100644
--- a/src/lib/pubkey/mce/polyn_gf2m.h
+++ b/src/lib/pubkey/mce/polyn_gf2m.h
@@ -13,14 +13,18 @@
#define BOTAN_POLYN_GF2M_H_
#include <botan/secmem.h>
-#include <botan/gf2m_small_m.h>
#include <utility>
#include <string>
+// Currently must be visible for MSVC
//BOTAN_FUTURE_INTERNAL_HEADER(polyn_gf2m.h)
namespace Botan {
+typedef uint16_t gf2m;
+
+class GF2m_Field;
+
class RandomNumberGenerator;
class polyn_gf2m
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 11:56:15 +0000