00001 #ifndef CRYPTOPP_RSA_H
00002 #define CRYPTOPP_RSA_H
00003
00004
00005
00006
00007
00008
00009 #include "pkcspad.h"
00010 #include "oaep.h"
00011 #include "integer.h"
00012 #include "asn.h"
00013
00014 NAMESPACE_BEGIN(CryptoPP)
00015
00016
00017 class CRYPTOPP_DLL RSAFunction : public TrapdoorFunction, public X509PublicKey
00018 {
00019 typedef RSAFunction ThisClass;
00020
00021 public:
00022 void Initialize(const Integer &n, const Integer &e)
00023 {m_n = n; m_e = e;}
00024
00025
00026 OID GetAlgorithmID() const;
00027 void BERDecodeKey(BufferedTransformation &bt);
00028 void DEREncodeKey(BufferedTransformation &bt) const;
00029
00030
00031 bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
00032 bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
00033 void AssignFrom(const NameValuePairs &source);
00034
00035
00036 Integer ApplyFunction(const Integer &x) const;
00037 Integer PreimageBound() const {return m_n;}
00038 Integer ImageBound() const {return m_n;}
00039
00040
00041 const Integer & GetModulus() const {return m_n;}
00042 const Integer & GetPublicExponent() const {return m_e;}
00043
00044 void SetModulus(const Integer &n) {m_n = n;}
00045 void SetPublicExponent(const Integer &e) {m_e = e;}
00046
00047 protected:
00048 Integer m_n, m_e;
00049 };
00050
00051
00052 class CRYPTOPP_DLL InvertibleRSAFunction : public RSAFunction, public TrapdoorFunctionInverse, public PKCS8PrivateKey
00053 {
00054 typedef InvertibleRSAFunction ThisClass;
00055
00056 public:
00057 void Initialize(RandomNumberGenerator &rng, unsigned int modulusBits, const Integer &e = 17);
00058 void Initialize(const Integer &n, const Integer &e, const Integer &d, const Integer &p, const Integer &q, const Integer &dp, const Integer &dq, const Integer &u)
00059 {m_n = n; m_e = e; m_d = d; m_p = p; m_q = q; m_dp = dp; m_dq = dq; m_u = u;}
00060
00061 void Initialize(const Integer &n, const Integer &e, const Integer &d);
00062
00063
00064 void BERDecode(BufferedTransformation &bt)
00065 {PKCS8PrivateKey::BERDecode(bt);}
00066 void DEREncode(BufferedTransformation &bt) const
00067 {PKCS8PrivateKey::DEREncode(bt);}
00068 void BERDecodeKey(BufferedTransformation &bt);
00069 void DEREncodeKey(BufferedTransformation &bt) const;
00070
00071
00072 Integer CalculateInverse(RandomNumberGenerator &rng, const Integer &x) const;
00073
00074
00075 bool Validate(RandomNumberGenerator &rng, unsigned int level) const;
00076
00077 void GenerateRandom(RandomNumberGenerator &rng, const NameValuePairs &alg);
00078 bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
00079 void AssignFrom(const NameValuePairs &source);
00080
00081
00082 const Integer& GetPrime1() const {return m_p;}
00083 const Integer& GetPrime2() const {return m_q;}
00084 const Integer& GetPrivateExponent() const {return m_d;}
00085 const Integer& GetModPrime1PrivateExponent() const {return m_dp;}
00086 const Integer& GetModPrime2PrivateExponent() const {return m_dq;}
00087 const Integer& GetMultiplicativeInverseOfPrime2ModPrime1() const {return m_u;}
00088
00089 void SetPrime1(const Integer &p) {m_p = p;}
00090 void SetPrime2(const Integer &q) {m_q = q;}
00091 void SetPrivateExponent(const Integer &d) {m_d = d;}
00092 void SetModPrime1PrivateExponent(const Integer &dp) {m_dp = dp;}
00093 void SetModPrime2PrivateExponent(const Integer &dq) {m_dq = dq;}
00094 void SetMultiplicativeInverseOfPrime2ModPrime1(const Integer &u) {m_u = u;}
00095
00096 protected:
00097 Integer m_d, m_p, m_q, m_dp, m_dq, m_u;
00098 };
00099
00100
00101 struct CRYPTOPP_DLL RSA
00102 {
00103 static std::string StaticAlgorithmName() {return "RSA";}
00104 typedef RSAFunction PublicKey;
00105 typedef InvertibleRSAFunction PrivateKey;
00106 };
00107
00108
00109 template <class STANDARD>
00110 struct RSAES : public TF_ES<STANDARD, RSA>
00111 {
00112 };
00113
00114
00115
00116 template <class STANDARD, class H>
00117 struct RSASS : public TF_SS<STANDARD, H, RSA>
00118 {
00119 };
00120
00121
00122 typedef RSAES<PKCS1v15>::Decryptor RSAES_PKCS1v15_Decryptor;
00123 typedef RSAES<PKCS1v15>::Encryptor RSAES_PKCS1v15_Encryptor;
00124
00125 typedef RSAES<OAEP<SHA> >::Decryptor RSAES_OAEP_SHA_Decryptor;
00126 typedef RSAES<OAEP<SHA> >::Encryptor RSAES_OAEP_SHA_Encryptor;
00127
00128
00129 typedef RSASS<PKCS1v15, SHA>::Signer RSASSA_PKCS1v15_SHA_Signer;
00130 typedef RSASS<PKCS1v15, SHA>::Verifier RSASSA_PKCS1v15_SHA_Verifier;
00131
00132 typedef RSASS<PKCS1v15, MD2>::Signer RSASSA_PKCS1v15_MD2_Signer;
00133 typedef RSASS<PKCS1v15, MD2>::Verifier RSASSA_PKCS1v15_MD2_Verifier;
00134
00135 typedef RSASS<PKCS1v15, MD5>::Signer RSASSA_PKCS1v15_MD5_Signer;
00136 typedef RSASS<PKCS1v15, MD5>::Verifier RSASSA_PKCS1v15_MD5_Verifier;
00137
00138 NAMESPACE_END
00139
00140 #endif