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Diffstat (limited to 'src/lib/pubkey/gost_3410/gost_3410.cpp')
-rw-r--r--src/lib/pubkey/gost_3410/gost_3410.cpp38
1 files changed, 19 insertions, 19 deletions
diff --git a/src/lib/pubkey/gost_3410/gost_3410.cpp b/src/lib/pubkey/gost_3410/gost_3410.cpp
index f04692d12..51db47619 100644
--- a/src/lib/pubkey/gost_3410/gost_3410.cpp
+++ b/src/lib/pubkey/gost_3410/gost_3410.cpp
@@ -55,7 +55,7 @@ GOST_3410_PublicKey::GOST_3410_PublicKey(const AlgorithmIdentifier& alg_id,
// The parameters also includes hash and cipher OIDs
BER_Decoder(alg_id.parameters).start_cons(SEQUENCE).decode(ecc_param_id);
- domain_params = EC_Group(ecc_param_id);
+ m_domain_params = EC_Group(ecc_param_id);
secure_vector<byte> bits;
BER_Decoder(key_bits).decode(bits, OCTET_STRING);
@@ -72,9 +72,9 @@ GOST_3410_PublicKey::GOST_3410_PublicKey(const AlgorithmIdentifier& alg_id,
BigInt x(bits.data(), part_size);
BigInt y(&bits[part_size], part_size);
- public_key = PointGFp(domain().get_curve(), x, y);
+ m_public_key = PointGFp(domain().get_curve(), x, y);
- BOTAN_ASSERT(public_key.on_the_curve(),
+ BOTAN_ASSERT(m_public_key.on_the_curve(),
"Loaded GOST 34.10 public key is on the curve");
}
@@ -160,28 +160,28 @@ class GOST_3410_Verification_Operation : public PK_Ops::Verification_with_EMSA
GOST_3410_Verification_Operation(const GOST_3410_PublicKey& gost,
const std::string& emsa) :
PK_Ops::Verification_with_EMSA(emsa),
- base_point(gost.domain().get_base_point()),
- public_point(gost.public_point()),
- order(gost.domain().get_order()) {}
+ m_base_point(gost.domain().get_base_point()),
+ m_public_point(gost.public_point()),
+ m_order(gost.domain().get_order()) {}
size_t message_parts() const override { return 2; }
- size_t message_part_size() const override { return order.bytes(); }
- size_t max_input_bits() const override { return order.bits(); }
+ size_t message_part_size() const override { return m_order.bytes(); }
+ size_t max_input_bits() const override { return m_order.bits(); }
bool with_recovery() const override { return false; }
bool verify(const byte msg[], size_t msg_len,
const byte sig[], size_t sig_len) override;
private:
- const PointGFp& base_point;
- const PointGFp& public_point;
- const BigInt& order;
+ const PointGFp& m_base_point;
+ const PointGFp& m_public_point;
+ const BigInt& m_order;
};
bool GOST_3410_Verification_Operation::verify(const byte msg[], size_t msg_len,
const byte sig[], size_t sig_len)
{
- if(sig_len != order.bytes()*2)
+ if(sig_len != m_order.bytes()*2)
return false;
BigInt e = decode_le(msg, msg_len);
@@ -189,20 +189,20 @@ bool GOST_3410_Verification_Operation::verify(const byte msg[], size_t msg_len,
BigInt s(sig, sig_len / 2);
BigInt r(sig + sig_len / 2, sig_len / 2);
- if(r <= 0 || r >= order || s <= 0 || s >= order)
+ if(r <= 0 || r >= m_order || s <= 0 || s >= m_order)
return false;
- e %= order;
+ e %= m_order;
if(e == 0)
e = 1;
- BigInt v = inverse_mod(e, order);
+ BigInt v = inverse_mod(e, m_order);
- BigInt z1 = (s*v) % order;
- BigInt z2 = (-r*v) % order;
+ BigInt z1 = (s*v) % m_order;
+ BigInt z2 = (-r*v) % m_order;
- PointGFp R = multi_exponentiate(base_point, z1,
- public_point, z2);
+ PointGFp R = multi_exponentiate(m_base_point, z1,
+ m_public_point, z2);
if(R.is_zero())
return false;