Crypto++  5.6.5
Free C++ class library of cryptographic schemes
Public Member Functions | List of all members
DL_PublicKey_GFP< GP > Class Template Reference

Discrete Log (DL) public key in GF(p) groups. More...

+ Inheritance diagram for DL_PublicKey_GFP< GP >:

Public Member Functions

void Initialize (const DL_GroupParameters_IntegerBased &params, const Integer &y)
 Initialize a public key over GF(p) More...
 
void Initialize (const Integer &p, const Integer &g, const Integer &y)
 Initialize a public key over GF(p) More...
 
void Initialize (const Integer &p, const Integer &q, const Integer &g, const Integer &y)
 Initialize a public key over GF(p) More...
 
void BERDecodePublicKey (BufferedTransformation &bt, bool, size_t)
 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
 
- Public Member Functions inherited from DL_PublicKeyImpl< GP >
bool Validate (RandomNumberGenerator &rng, unsigned int level) const
 Check this object for errors. More...
 
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...
 
bool SupportsPrecomputation () const
 Determines whether the object supports precomputation. More...
 
void Precompute (unsigned int precomputationStorage=16)
 Perform precomputation. More...
 
void LoadPrecomputation (BufferedTransformation &storedPrecomputation)
 Retrieve previously saved precomputation. More...
 
void SavePrecomputation (BufferedTransformation &storedPrecomputation) const
 Save precomputation for later use. More...
 
const DL_GroupParameters< Element > & GetAbstractGroupParameters () const
 Retrieves abstract group parameters. More...
 
DL_GroupParameters< Element > & AccessAbstractGroupParameters ()
 Retrieves abstract group parameters. More...
 
const DL_FixedBasePrecomputation< Element > & GetPublicPrecomputation () const
 
DL_FixedBasePrecomputation< Element > & AccessPublicPrecomputation ()
 
bool operator== (const DL_PublicKeyImpl< GP > &rhs) const
 
- Public Member Functions inherited from DL_PublicKey< GP::Element >
bool GetVoidValue (const char *name, const std::type_info &valueType, void *pValue) const
 
void AssignFrom (const NameValuePairs &source)
 
virtual const Element & GetPublicElement () const
 
virtual void SetPublicElement (const Element &y)
 
virtual Element ExponentiatePublicElement (const Integer &exponent) const
 
virtual Element CascadeExponentiateBaseAndPublicElement (const Integer &baseExp, const Integer &publicExp) const
 
- Public Member Functions inherited from DL_KeyImpl< X509PublicKey, GP >
OID GetAlgorithmID () const
 
bool BERDecodeAlgorithmParameters (BufferedTransformation &bt)
 
bool DEREncodeAlgorithmParameters (BufferedTransformation &bt) const
 
const GP & GetGroupParameters () const
 
GP & AccessGroupParameters ()
 
- Public Member Functions inherited from X509PublicKey
void BERDecode (BufferedTransformation &bt)
 Decode this object from a BufferedTransformation. More...
 
void DEREncode (BufferedTransformation &bt) const
 Encode this object into a BufferedTransformation. More...
 
- 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...
 
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...
 

Additional Inherited Members

- Public Types inherited from DL_PublicKeyImpl< GP >
typedef GP::Element Element
 
- Public Types inherited from DL_PublicKey< GP::Element >
typedef GP::Element Element
 
- Public Types inherited from DL_KeyImpl< X509PublicKey, GP >
typedef GP GroupParameters
 
- 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

template<class GP>
class DL_PublicKey_GFP< GP >

Discrete Log (DL) public key in GF(p) groups.

Template Parameters
GPGroupParameters derived class

DSA public key format is defined in 7.3.3 of RFC 2459. The private key format is defined in 12.9 of PKCS #11 v2.10.

Definition at line 264 of file gfpcrypt.h.

Member Function Documentation

template<class GP >
void DL_PublicKey_GFP< GP >::Initialize ( const DL_GroupParameters_IntegerBased params,
const Integer y 
)
inline

Initialize a public key over GF(p)

Parameters
paramsthe group parameters
ythe public element

Definition at line 272 of file gfpcrypt.h.

template<class GP >
void DL_PublicKey_GFP< GP >::Initialize ( const Integer p,
const Integer g,
const Integer y 
)
inline

Initialize a public key over GF(p)

Parameters
pthe modulus
gthe generator
ythe public element

Definition at line 279 of file gfpcrypt.h.

template<class GP >
void DL_PublicKey_GFP< GP >::Initialize ( const Integer p,
const Integer q,
const Integer g,
const Integer y 
)
inline

Initialize a public key over GF(p)

Parameters
pthe modulus
qthe subgroup order
gthe generator
ythe public element

Definition at line 287 of file gfpcrypt.h.


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