diff options
author | René Korthaus <[email protected]> | 2015-12-23 11:52:19 +0100 |
---|---|---|
committer | Jack Lloyd <[email protected]> | 2016-01-08 19:09:51 -0500 |
commit | d22bc10cd4f67924acd82bcd46a31e3de3b20ce3 (patch) | |
tree | 58459585e6675cd799b6ef5900be026825cd6f9d /src/lib/math | |
parent | 2fbfdd7e5afb5e888fd8c0b56c6df09e2bdeaca7 (diff) |
Mass-prefix member vars with m_
Diffstat (limited to 'src/lib/math')
-rw-r--r-- | src/lib/math/numbertheory/def_powm.h | 10 | ||||
-rw-r--r-- | src/lib/math/numbertheory/dsa_gen.cpp | 10 | ||||
-rw-r--r-- | src/lib/math/numbertheory/powm_fw.cpp | 30 | ||||
-rw-r--r-- | src/lib/math/numbertheory/reducer.cpp | 38 | ||||
-rw-r--r-- | src/lib/math/numbertheory/reducer.h | 10 |
5 files changed, 49 insertions, 49 deletions
diff --git a/src/lib/math/numbertheory/def_powm.h b/src/lib/math/numbertheory/def_powm.h index ef5d6e39b..d60ca8173 100644 --- a/src/lib/math/numbertheory/def_powm.h +++ b/src/lib/math/numbertheory/def_powm.h @@ -29,11 +29,11 @@ class Fixed_Window_Exponentiator : public Modular_Exponentiator Fixed_Window_Exponentiator(const BigInt&, Power_Mod::Usage_Hints); private: - Modular_Reducer reducer; - BigInt exp; - size_t window_bits; - std::vector<BigInt> g; - Power_Mod::Usage_Hints hints; + Modular_Reducer m_reducer; + BigInt m_exp; + size_t m_window_bits; + std::vector<BigInt> m_g; + Power_Mod::Usage_Hints m_hints; }; /** diff --git a/src/lib/math/numbertheory/dsa_gen.cpp b/src/lib/math/numbertheory/dsa_gen.cpp index 60151355a..1f922fd49 100644 --- a/src/lib/math/numbertheory/dsa_gen.cpp +++ b/src/lib/math/numbertheory/dsa_gen.cpp @@ -61,19 +61,19 @@ bool generate_dsa_primes(RandomNumberGenerator& rng, class Seed { public: - Seed(const std::vector<byte>& s) : seed(s) {} + Seed(const std::vector<byte>& s) : m_seed(s) {} - operator std::vector<byte>& () { return seed; } + operator std::vector<byte>& () { return m_seed; } Seed& operator++() { - for(size_t j = seed.size(); j > 0; --j) - if(++seed[j-1]) + for(size_t j = m_seed.size(); j > 0; --j) + if(++m_seed[j-1]) break; return (*this); } private: - std::vector<byte> seed; + std::vector<byte> m_seed; }; Seed seed(seed_c); diff --git a/src/lib/math/numbertheory/powm_fw.cpp b/src/lib/math/numbertheory/powm_fw.cpp index 14474104e..02e9bbe83 100644 --- a/src/lib/math/numbertheory/powm_fw.cpp +++ b/src/lib/math/numbertheory/powm_fw.cpp @@ -16,7 +16,7 @@ namespace Botan { */ void Fixed_Window_Exponentiator::set_exponent(const BigInt& e) { - exp = e; + m_exp = e; } /* @@ -24,14 +24,14 @@ void Fixed_Window_Exponentiator::set_exponent(const BigInt& e) */ void Fixed_Window_Exponentiator::set_base(const BigInt& base) { - window_bits = Power_Mod::window_bits(exp.bits(), base.bits(), hints); + m_window_bits = Power_Mod::window_bits(m_exp.bits(), base.bits(), m_hints); - g.resize((1 << window_bits)); - g[0] = 1; - g[1] = base; + m_g.resize((1 << m_window_bits)); + m_g[0] = 1; + m_g[1] = base; - for(size_t i = 2; i != g.size(); ++i) - g[i] = reducer.multiply(g[i-1], g[0]); + for(size_t i = 2; i != m_g.size(); ++i) + m_g[i] = m_reducer.multiply(m_g[i-1], m_g[0]); } /* @@ -39,18 +39,18 @@ void Fixed_Window_Exponentiator::set_base(const BigInt& base) */ BigInt Fixed_Window_Exponentiator::execute() const { - const size_t exp_nibbles = (exp.bits() + window_bits - 1) / window_bits; + const size_t exp_nibbles = (m_exp.bits() + m_window_bits - 1) / m_window_bits; BigInt x = 1; for(size_t i = exp_nibbles; i > 0; --i) { - for(size_t j = 0; j != window_bits; ++j) - x = reducer.square(x); + for(size_t j = 0; j != m_window_bits; ++j) + x = m_reducer.square(x); - const u32bit nibble = exp.get_substring(window_bits*(i-1), window_bits); + const u32bit nibble = m_exp.get_substring(m_window_bits*(i-1), m_window_bits); - x = reducer.multiply(x, g[nibble]); + x = m_reducer.multiply(x, m_g[nibble]); } return x; } @@ -61,9 +61,9 @@ BigInt Fixed_Window_Exponentiator::execute() const Fixed_Window_Exponentiator::Fixed_Window_Exponentiator(const BigInt& n, Power_Mod::Usage_Hints hints) { - reducer = Modular_Reducer(n); - this->hints = hints; - window_bits = 0; + m_reducer = Modular_Reducer(n); + m_hints = hints; + m_window_bits = 0; } } diff --git a/src/lib/math/numbertheory/reducer.cpp b/src/lib/math/numbertheory/reducer.cpp index 332895d63..d5f1666e1 100644 --- a/src/lib/math/numbertheory/reducer.cpp +++ b/src/lib/math/numbertheory/reducer.cpp @@ -18,12 +18,12 @@ Modular_Reducer::Modular_Reducer(const BigInt& mod) if(mod <= 0) throw Invalid_Argument("Modular_Reducer: modulus must be positive"); - modulus = mod; - mod_words = modulus.sig_words(); + m_modulus = mod; + m_mod_words = m_modulus.sig_words(); - modulus_2 = Botan::square(modulus); + m_modulus_2 = Botan::square(m_modulus); - mu = BigInt::power_of_2(2 * MP_WORD_BITS * mod_words) / modulus; + m_mu = BigInt::power_of_2(2 * MP_WORD_BITS * m_mod_words) / m_modulus; } /* @@ -31,50 +31,50 @@ Modular_Reducer::Modular_Reducer(const BigInt& mod) */ BigInt Modular_Reducer::reduce(const BigInt& x) const { - if(mod_words == 0) + if(m_mod_words == 0) throw Invalid_State("Modular_Reducer: Never initalized"); - if(x.cmp(modulus, false) < 0) + if(x.cmp(m_modulus, false) < 0) { if(x.is_negative()) - return x + modulus; // make positive + return x + m_modulus; // make positive return x; } - else if(x.cmp(modulus_2, false) < 0) + else if(x.cmp(m_modulus_2, false) < 0) { BigInt t1 = x; t1.set_sign(BigInt::Positive); - t1 >>= (MP_WORD_BITS * (mod_words - 1)); - t1 *= mu; + t1 >>= (MP_WORD_BITS * (m_mod_words - 1)); + t1 *= m_mu; - t1 >>= (MP_WORD_BITS * (mod_words + 1)); - t1 *= modulus; + t1 >>= (MP_WORD_BITS * (m_mod_words + 1)); + t1 *= m_modulus; - t1.mask_bits(MP_WORD_BITS * (mod_words + 1)); + t1.mask_bits(MP_WORD_BITS * (m_mod_words + 1)); BigInt t2 = x; t2.set_sign(BigInt::Positive); - t2.mask_bits(MP_WORD_BITS * (mod_words + 1)); + t2.mask_bits(MP_WORD_BITS * (m_mod_words + 1)); t2 -= t1; if(t2.is_negative()) { - t2 += BigInt::power_of_2(MP_WORD_BITS * (mod_words + 1)); + t2 += BigInt::power_of_2(MP_WORD_BITS * (m_mod_words + 1)); } - while(t2 >= modulus) - t2 -= modulus; + while(t2 >= m_modulus) + t2 -= m_modulus; if(x.is_positive()) return t2; else - return (modulus - t2); + return (m_modulus - t2); } else { // too big, fall back to normal division - return (x % modulus); + return (x % m_modulus); } } diff --git a/src/lib/math/numbertheory/reducer.h b/src/lib/math/numbertheory/reducer.h index b45e0e186..248de3e2f 100644 --- a/src/lib/math/numbertheory/reducer.h +++ b/src/lib/math/numbertheory/reducer.h @@ -18,7 +18,7 @@ namespace Botan { class BOTAN_DLL Modular_Reducer { public: - const BigInt& get_modulus() const { return modulus; } + const BigInt& get_modulus() const { return m_modulus; } BigInt reduce(const BigInt& x) const; @@ -47,13 +47,13 @@ class BOTAN_DLL Modular_Reducer BigInt cube(const BigInt& x) const { return multiply(x, this->square(x)); } - bool initialized() const { return (mod_words != 0); } + bool initialized() const { return (m_mod_words != 0); } - Modular_Reducer() { mod_words = 0; } + Modular_Reducer() { m_mod_words = 0; } Modular_Reducer(const BigInt& mod); private: - BigInt modulus, modulus_2, mu; - size_t mod_words; + BigInt m_modulus, m_modulus_2, m_mu; + size_t m_mod_words; }; } |