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ASN1Key Class Reference

#include <asn.h>

Inheritance diagram for ASN1Key:

ASN1CryptoMaterial ASN1Object CryptoMaterial NameValuePairs PKCS8PrivateKey X509PublicKey DL_KeyImpl< PKCS8PrivateKey, DL_GroupParameters_EC< EC > > DL_KeyImpl< PKCS8PrivateKey, GP > InvertibleRSAFunction DL_KeyImpl< X509PublicKey, DL_GroupParameters_EC< EC > > DL_KeyImpl< X509PublicKey, GP > RSAFunction DL_PrivateKeyImpl< DL_GroupParameters_EC< EC > > DL_PrivateKeyImpl< GP > DL_PublicKeyImpl< DL_GroupParameters_EC< EC > > DL_PublicKeyImpl< GP > InvertibleRSAFunction DL_PrivateKey_EC< EC > DL_PrivateKey_GFP< GP > DL_PublicKey_EC< EC > DL_PublicKey_GFP< GP > List of all members.

Detailed Description

derived class should override either BERDecodeKey or BERDecodeKey2

Definition at line 235 of file asn.h.

Public Member Functions

virtual OID GetAlgorithmID () const =0
virtual bool BERDecodeAlgorithmParameters (BufferedTransformation &bt)
virtual bool DEREncodeAlgorithmParameters (BufferedTransformation &bt) const
virtual void BERDecodeKey (BufferedTransformation &bt)
 decode subjectPublicKey part of subjectPublicKeyInfo, or privateKey part of privateKeyInfo, without the BIT STRING or OCTET STRING header
virtual void BERDecodeKey2 (BufferedTransformation &bt, bool parametersPresent, unsigned int size)
virtual void DEREncodeKey (BufferedTransformation &bt) const =0
 encode subjectPublicKey part of subjectPublicKeyInfo, or privateKey part of privateKeyInfo, without the BIT STRING or OCTET STRING header
void Save (BufferedTransformation &bt) const
 save key into a BufferedTransformation
void Load (BufferedTransformation &bt)
 load key from a BufferedTransformation
virtual void BERDecode (BufferedTransformation &bt)=0
 decode this object from a BufferedTransformation, using BER (Basic Encoding Rules)
virtual void DEREncode (BufferedTransformation &bt) const =0
 encode this object into a BufferedTransformation, using DER (Distinguished Encoding Rules)
virtual void BEREncode (BufferedTransformation &bt) const
 encode this object into a BufferedTransformation, using BER
virtual void AssignFrom (const NameValuePairs &source)=0
 assign values from source to this object
virtual bool Validate (RandomNumberGenerator &rng, unsigned int level) const =0
 check this object for errors
virtual void ThrowIfInvalid (RandomNumberGenerator &rng, unsigned int level) const
 throws InvalidMaterial if this object fails Validate() test
virtual bool SupportsPrecomputation () const
 whether this object supports precomputation
virtual void Precompute (unsigned int n)
 do precomputation
virtual void LoadPrecomputation (BufferedTransformation &storedPrecomputation)
 retrieve previously saved precomputation
virtual void SavePrecomputation (BufferedTransformation &storedPrecomputation) const
 save precomputation for later use
void DoQuickSanityCheck () const
template<class T> bool GetThisObject (T &object) const
 get a copy of this object or a subobject of it
template<class T> bool GetThisPointer (T *&p) const
 get a pointer to this object, as a pointer to T
template<class T> bool GetValue (const char *name, T &value) const
 get a named value, returns true if the name exists
template<class T> T GetValueWithDefault (const char *name, T defaultValue) const
 get a named value, returns the default if the name doesn't exist
std::string GetValueNames () const
 get a list of value names that can be retrieved
bool GetIntValue (const char *name, int &value) const
 get a named value with type int
int GetIntValueWithDefault (const char *name, int defaultValue) const
 get a named value with type int, with default
template<class T> void GetRequiredParameter (const char *className, const char *name, T &value) const
void GetRequiredIntParameter (const char *className, const char *name, int &value) const
virtual bool GetVoidValue (const char *name, const std::type_info &valueType, void *pValue) const =0
 to be implemented by derived classes, users should use one of the above functions instead

Static Public Member Functions

void ThrowIfTypeMismatch (const char *name, const std::type_info &stored, const std::type_info &retrieving)
 used by derived classes to check for type mismatch


Member Function Documentation

void ASN1CryptoMaterial::Load BufferedTransformation bt  )  [inline, virtual, inherited]
 

load key from a BufferedTransformation

Exceptions:
KeyingErr if decode fails
Note:
Generally does not check that the key is valid. Call ValidateKey() or ThrowIfInvalidKey() to check that.

Reimplemented from CryptoMaterial.

Definition at line 52 of file simple.h.

References ASN1Object::BERDecode().

virtual void ASN1Object::BEREncode BufferedTransformation bt  )  const [inline, virtual, inherited]
 

encode this object into a BufferedTransformation, using BER

this may be useful if DEREncode() would be too inefficient Definition at line 1561 of file cryptlib.h.

Referenced by ASN1CryptoMaterial::Save().

virtual void CryptoMaterial::AssignFrom const NameValuePairs source  )  [pure virtual, inherited]
 

assign values from source to this object

Note:
This function can be used to create a public key from a private key.

Implemented in DL_GroupParameters_EC< EC >, ESIGNFunction, InvertibleESIGNFunction, DL_GroupParameters_IntegerBased, DL_GroupParameters_IntegerBasedImpl< GROUP_PRECOMP, BASE_PRECOMP >, LUCFunction, InvertibleLUCFunction, RabinFunction, InvertibleRabinFunction, RSAFunction, InvertibleRSAFunction, RWFunction, InvertibleRWFunction, XTR_DH, DL_GroupParameters_IntegerBasedImpl< DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC >, and DL_GroupParameters_IntegerBasedImpl< ModExpPrecomputation >.

virtual bool CryptoMaterial::Validate RandomNumberGenerator rng,
unsigned int  level
const [pure virtual, inherited]
 

check this object for errors

Parameters:
level denotes the level of thoroughness: 0 - using this object won't cause a crash or exception (rng is ignored) 1 - this object will probably function (encrypt, sign, etc.) correctly (but may not check for weak keys and such) 2 - make sure this object will function correctly, and do reasonable security checks 3 - do checks that may take a long time
Returns:
true if the tests pass

Implemented in ESIGNFunction, InvertibleESIGNFunction, LUCFunction, InvertibleLUCFunction, DL_GroupParameters< T >, DL_PrivateKeyImpl< GP >, DL_PublicKeyImpl< GP >, RabinFunction, InvertibleRabinFunction, RSAFunction, InvertibleRSAFunction, RWFunction, InvertibleRWFunction, XTR_DH, DL_GroupParameters< Integer >, DL_GroupParameters< typenameEcPrecomputation< EC >::Element >, DL_PrivateKeyImpl< DL_GroupParameters_EC< EC > >, and DL_PublicKeyImpl< DL_GroupParameters_EC< EC > >.

virtual void CryptoMaterial::Precompute unsigned int  n  )  [inline, virtual, inherited]
 

do precomputation

The exact semantics of Precompute() is varies, but typically it means calculate a table of n objects that can be used later to speed up computation.

Reimplemented in DL_GroupParameters< T >, DL_PrivateKeyImpl< GP >, DL_PublicKeyImpl< GP >, DL_GroupParameters< Integer >, DL_GroupParameters< typenameEcPrecomputation< EC >::Element >, DL_PrivateKeyImpl< DL_GroupParameters_EC< EC > >, and DL_PublicKeyImpl< DL_GroupParameters_EC< EC > >.

Definition at line 1003 of file cryptlib.h.

bool NameValuePairs::GetIntValue const char *  name,
int &  value
const [inline, inherited]
 

get a named value with type int

used to ensure we don't accidentally try to get an unsigned int or some other type when we mean int (which is the most common case) Definition at line 278 of file cryptlib.h.

Referenced by InvertibleRWFunction::GenerateRandom(), InvertibleRSAFunction::GenerateRandom(), InvertibleRabinFunction::GenerateRandom(), InvertibleLUCFunction::GenerateRandom(), DL_GroupParameters_IntegerBased::GenerateRandom(), DL_GroupParameters_DSA::GenerateRandom(), and InvertibleESIGNFunction::GenerateRandom().


The documentation for this class was generated from the following file:
Generated on Wed Jul 21 19:15:39 2004 for Crypto++ by doxygen 1.3.7-20040704