Crypto++  5.6.3
Free C++ class library of cryptographic schemes
Public Member Functions | List of all members
InvertibleRSAFunction_ISO Class Reference

RSA trapdoor function using the private key. More...

+ Inheritance diagram for InvertibleRSAFunction_ISO:

Public Member Functions

Integer CalculateInverse (RandomNumberGenerator &rng, const Integer &x) const
 Calculates the inverse of an element. More...
 
Integer PreimageBound () const
 Returns the maximum size of a message before the trapdoor function is applied. More...
 
- Public Member Functions inherited from InvertibleRSAFunction
void Initialize (RandomNumberGenerator &rng, unsigned int modulusBits, const Integer &e=17)
 Create a RSA private key. More...
 
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)
 Initialize a RSA private key with {n,e,d,p,q,dp,dq,u}. More...
 
void Initialize (const Integer &n, const Integer &e, const Integer &d)
 Initialize a RSA private key with {n,e,d}. More...
 
void BERDecode (BufferedTransformation &bt)
 Decode this object from a BufferedTransformation. More...
 
void DEREncode (BufferedTransformation &bt) const
 Encode this object into a BufferedTransformation. More...
 
void Load (BufferedTransformation &bt)
 Loads a key from a BufferedTransformation. More...
 
void Save (BufferedTransformation &bt) const
 Saves a key to a BufferedTransformation. More...
 
OID GetAlgorithmID () const
 Retrieves the OID of the algorithm. More...
 
void BERDecodePrivateKey (BufferedTransformation &bt, bool parametersPresent, size_t size)
 decode privateKey part of privateKeyInfo, without the OCTET STRING header
 
void DEREncodePrivateKey (BufferedTransformation &bt) const
 encode privateKey part of privateKeyInfo, without the OCTET STRING header
 
bool Validate (RandomNumberGenerator &rng, unsigned int level) const
 Check this object for errors. More...
 
void GenerateRandom (RandomNumberGenerator &rng, const NameValuePairs &alg)
 
bool GetVoidValue (const char *name, const std::type_info &valueType, void *pValue) const
 Get a named value. More...
 
void AssignFrom (const NameValuePairs &source)
 Assign values to this object. More...
 
const IntegerGetPrime1 () const
 
const IntegerGetPrime2 () const
 
const IntegerGetPrivateExponent () const
 
const IntegerGetModPrime1PrivateExponent () const
 
const IntegerGetModPrime2PrivateExponent () const
 
const IntegerGetMultiplicativeInverseOfPrime2ModPrime1 () const
 
void SetPrime1 (const Integer &p)
 
void SetPrime2 (const Integer &q)
 
void SetPrivateExponent (const Integer &d)
 
void SetModPrime1PrivateExponent (const Integer &dp)
 
void SetModPrime2PrivateExponent (const Integer &dq)
 
void SetMultiplicativeInverseOfPrime2ModPrime1 (const Integer &u)
 
- Public Member Functions inherited from RSAFunction
void Initialize (const Integer &n, const Integer &e)
 Initialize a RSA public key with {n,e}. More...
 
void BERDecodePublicKey (BufferedTransformation &bt, bool parametersPresent, size_t size)
 decode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header
 
void DEREncodePublicKey (BufferedTransformation &bt) const
 encode subjectPublicKey part of subjectPublicKeyInfo, without the BIT STRING header
 
Integer ApplyFunction (const Integer &x) const
 Applies the trapdoor. More...
 
Integer ImageBound () const
 Returns the maximum size of a message after the trapdoor function is applied. More...
 
const IntegerGetModulus () const
 
const IntegerGetPublicExponent () const
 
void SetModulus (const Integer &n)
 
void SetPublicExponent (const Integer &e)
 
- Public Member Functions inherited from TrapdoorFunction
Integer ApplyRandomizedFunction (RandomNumberGenerator &rng, const Integer &x) const
 Applies the trapdoor function. More...
 
bool IsRandomized () const
 Determines if the encryption algorithm is randomized. More...
 
- Public Member Functions inherited from TrapdoorFunctionBounds
virtual Integer MaxPreimage () const
 Returns the maximum size of a message before the trapdoor function is applied bound to a public key. More...
 
virtual Integer MaxImage () const
 Returns the maximum size of a message after the trapdoor function is applied bound to a public key. More...
 
- Public Member Functions inherited from X509PublicKey
virtual bool BERDecodeAlgorithmParameters (BufferedTransformation &bt)
 
virtual bool DEREncodeAlgorithmParameters (BufferedTransformation &bt) const
 
- Public Member Functions inherited from ASN1CryptoMaterial< PublicKey >
void Save (BufferedTransformation &bt) const
 DER encode ASN.1 object. More...
 
void Load (BufferedTransformation &bt)
 BER decode ASN.1 object. More...
 
- Public Member Functions inherited from ASN1Object
virtual void BEREncode (BufferedTransformation &bt) const
 Encode this object into a BufferedTransformation. More...
 
- Public Member Functions inherited from CryptoMaterial
virtual void ThrowIfInvalid (RandomNumberGenerator &rng, unsigned int level) const
 Check this object for errors. More...
 
virtual bool SupportsPrecomputation () const
 Determines whether the object supports precomputation. More...
 
virtual void Precompute (unsigned int precomputationStorage)
 Perform precomputation. More...
 
virtual void LoadPrecomputation (BufferedTransformation &storedPrecomputation)
 Retrieve previously saved precomputation. More...
 
virtual void SavePrecomputation (BufferedTransformation &storedPrecomputation) const
 Save precomputation for later use. More...
 
void DoQuickSanityCheck () const
 Perform a quick sanity check. More...
 
- Public Member Functions inherited from NameValuePairs
template<class T >
bool GetThisObject (T &object) const
 Get a copy of this object or subobject. More...
 
template<class T >
bool GetThisPointer (T *&ptr) const
 Get a pointer to this object. More...
 
template<class T >
bool GetValue (const char *name, T &value) const
 Get a named value. More...
 
template<class T >
GetValueWithDefault (const char *name, T defaultValue) const
 Get a named value. More...
 
std::string GetValueNames () const
 Get a list of value names that can be retrieved. More...
 
bool GetIntValue (const char *name, int &value) const
 Get a named value with type int. More...
 
int GetIntValueWithDefault (const char *name, int defaultValue) const
 Get a named value with type int, with default. More...
 
template<class T >
void GetRequiredParameter (const char *className, const char *name, T &value) const
 Retrieves a required name/value pair. More...
 
void GetRequiredIntParameter (const char *className, const char *name, int &value) const
 Retrieves a required name/value pair. More...
 
- Public Member Functions inherited from TrapdoorFunctionInverse
Integer CalculateRandomizedInverse (RandomNumberGenerator &rng, const Integer &x) const
 Applies the inverse of the trapdoor function. More...
 
bool IsRandomized () const
 Determines if the decryption algorithm is randomized. More...
 
- Public Member Functions inherited from PKCS8PrivateKey
virtual bool BERDecodeAlgorithmParameters (BufferedTransformation &bt)
 
virtual bool DEREncodeAlgorithmParameters (BufferedTransformation &bt) const
 
virtual void BERDecodeOptionalAttributes (BufferedTransformation &bt)
 decode optional attributes including context-specific tag More...
 
virtual void DEREncodeOptionalAttributes (BufferedTransformation &bt) const
 encode optional attributes including context-specific tag
 
- Public Member Functions inherited from ASN1CryptoMaterial< PrivateKey >
void Save (BufferedTransformation &bt) const
 DER encode ASN.1 object. More...
 
void Load (BufferedTransformation &bt)
 BER decode ASN.1 object. More...
 
- Public Member Functions inherited from GeneratableCryptoMaterial
void GenerateRandomWithKeySize (RandomNumberGenerator &rng, unsigned int keySize)
 Generate a random key or crypto parameters. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from NameValuePairs
static void ThrowIfTypeMismatch (const char *name, const std::type_info &stored, const std::type_info &retrieving)
 Ensures an expected name and type is present. More...
 

Detailed Description

RSA trapdoor function using the private key.

Definition at line 144 of file rsa.h.

Member Function Documentation

Integer InvertibleRSAFunction_ISO::CalculateInverse ( RandomNumberGenerator rng,
const Integer x 
) const
virtual

Calculates the inverse of an element.

Parameters
rnga RandomNumberGenerator derived class
xthe element
Returns
the inverse of the element in the group

Reimplemented from InvertibleRSAFunction.

Definition at line 300 of file rsa.cpp.

Integer InvertibleRSAFunction_ISO::PreimageBound ( ) const
inlinevirtual

Returns the maximum size of a message before the trapdoor function is applied.

Returns
the maximum size of a message before the trapdoor function is applied

Derived classes must implement PreimageBound().

Reimplemented from RSAFunction.

Definition at line 148 of file rsa.h.


The documentation for this class was generated from the following files: