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| author | watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb> | 2011-04-21 14:14:52 +0000 |
|---|---|---|
| committer | watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb> | 2011-04-21 14:14:52 +0000 |
| commit | cb4a46e7fbe62d788e66ed6121c717a2d22a4d7c (patch) | |
| tree | 30df260fdc5a1b5a7049c2f8cac8b7ef17513d6d /cryptopp/crypto/rabin.h | |
| parent | 19b6f534d2e784a1e120bf52c4aa07004798f473 (diff) | |
svn.miranda.im is moving to a new home!
git-svn-id: http://miranda-plugins.googlecode.com/svn/trunk@7 e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb
Diffstat (limited to 'cryptopp/crypto/rabin.h')
| -rw-r--r-- | cryptopp/crypto/rabin.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/cryptopp/crypto/rabin.h b/cryptopp/crypto/rabin.h new file mode 100644 index 0000000..60deabb --- /dev/null +++ b/cryptopp/crypto/rabin.h @@ -0,0 +1,107 @@ +#ifndef CRYPTOPP_RABIN_H
+#define CRYPTOPP_RABIN_H
+
+/** \file
+*/
+
+#include "oaep.h"
+#include "pssr.h"
+#include "integer.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+class RabinFunction : public TrapdoorFunction, public PublicKey
+{
+ typedef RabinFunction ThisClass;
+
+public:
+ void Initialize(const Integer &n, const Integer &r, const Integer &s)
+ {m_n = n; m_r = r; m_s = s;}
+
+ void BERDecode(BufferedTransformation &bt);
+ void DEREncode(BufferedTransformation &bt) const;
+
+ Integer ApplyFunction(const Integer &x) const;
+ Integer PreimageBound() const {return m_n;}
+ Integer ImageBound() const {return m_n;}
+
+ bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
+ bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
+ void AssignFrom(const NameValuePairs &source);
+
+ const Integer& GetModulus() const {return m_n;}
+ const Integer& GetQuadraticResidueModPrime1() const {return m_r;}
+ const Integer& GetQuadraticResidueModPrime2() const {return m_s;}
+
+ void SetModulus(const Integer &n) {m_n = n;}
+ void SetQuadraticResidueModPrime1(const Integer &r) {m_r = r;}
+ void SetQuadraticResidueModPrime2(const Integer &s) {m_s = s;}
+
+protected:
+ Integer m_n, m_r, m_s;
+};
+
+//! _
+class InvertibleRabinFunction : public RabinFunction, public TrapdoorFunctionInverse, public PrivateKey
+{
+ typedef InvertibleRabinFunction ThisClass;
+
+public:
+ void Initialize(const Integer &n, const Integer &r, const Integer &s,
+ const Integer &p, const Integer &q, const Integer &u)
+ {m_n = n; m_r = r; m_s = s; m_p = p; m_q = q; m_u = u;}
+ void Initialize(RandomNumberGenerator &rng, unsigned int keybits)
+ {GenerateRandomWithKeySize(rng, keybits);}
+
+ void BERDecode(BufferedTransformation &bt);
+ void DEREncode(BufferedTransformation &bt) const;
+
+ Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const;
+
+ bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
+ bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
+ void AssignFrom(const NameValuePairs &source);
+ /*! parameters: (ModulusSize) */
+ void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg);
+
+ const Integer& GetPrime1() const {return m_p;}
+ const Integer& GetPrime2() const {return m_q;}
+ const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;}
+
+ void SetPrime1(const Integer &p) {m_p = p;}
+ void SetPrime2(const Integer &q) {m_q = q;}
+ void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;}
+
+protected:
+ Integer m_p, m_q, m_u;
+};
+
+//! Rabin
+struct Rabin
+{
+ static std::string StaticAlgorithmName() {return "Rabin-Crypto++Variant";}
+ typedef RabinFunction PublicKey;
+ typedef InvertibleRabinFunction PrivateKey;
+};
+
+//! Rabin encryption
+template <class STANDARD>
+struct RabinES : public TF_ES<STANDARD, Rabin>
+{
+};
+
+//! Rabin signature
+template <class STANDARD, class H>
+struct RabinSS : public TF_SS<STANDARD, H, Rabin>
+{
+};
+
+// More typedefs for backwards compatibility
+class SHA1;
+typedef RabinES<OAEP<SHA1> >::Decryptor RabinDecryptor;
+typedef RabinES<OAEP<SHA1> >::Encryptor RabinEncryptor;
+
+NAMESPACE_END
+
+#endif
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