Library: Crypto
Package: EC
Header: Poco/Crypto/ECKeyImpl.h
Description
Elliptic Curve key clas implementation.
Inheritance
Direct Base Classes: KeyPairImpl
All Base Classes: KeyPairImpl, Poco::RefCountedObject
Member Summary
Member Functions: getCurveNID, getCurveName, getECKey, groupId, groupName, hasCurve, save, size
Inherited Functions: duplicate, name, referenceCount, release, save, size, type
Types Aliases
ByteVec
using ByteVec = std::vector < unsigned char >;
Ptr
using Ptr = Poco::AutoPtr < ECKeyImpl >;
Constructors
ECKeyImpl
ECKeyImpl(
const EVPPKey & key
);
Constructs ECKeyImpl by extracting the EC key.
ECKeyImpl
ECKeyImpl(
const X509Certificate & cert
);
Constructs ECKeyImpl by extracting the EC public key from the given certificate.
ECKeyImpl
ECKeyImpl(
const PKCS12Container & cert
);
Constructs ECKeyImpl by extracting the EC private key from the given certificate.
ECKeyImpl
ECKeyImpl(
int eccGroup
);
Creates the ECKey of the specified group. Creates a new public/private keypair using the given parameters. Can be used to sign data and verify signatures.
ECKeyImpl
ECKeyImpl(
const std::string & publicKeyFile,
const std::string & privateKeyFile,
const std::string & privateKeyPassphrase
);
Creates the ECKey, by reading public and private key from the given files and using the given passphrase for the private key. Can only by used for signing if a private key is available.
ECKeyImpl
ECKeyImpl(
std::istream * pPublicKeyStream,
std::istream * pPrivateKeyStream,
const std::string & privateKeyPassphrase
);
Creates the ECKey. Can only by used for signing if pPrivKey is not null. If a private key file is specified, you don't need to specify a public key file. OpenSSL will auto-create it from the private key.
Destructor
~ECKeyImpl 
~ECKeyImpl();
Destroys the ECKeyImpl.
Member Functions
getCurveNID 
static int getCurveNID(
std::string & name
);
Returns the NID of the specified curve.
If name is empty, returns the first curve NID and updates the name accordingly.
getCurveName
static std::string getCurveName(
int nid = - 1
);
Returns elliptical curve name corresponding to the given nid; if nid is not found, returns empty string.
If nid is -1, returns first curve name.
If no curves are found, returns empty string;
getECKey 
EC_KEY * getECKey();
Returns the OpenSSL EC key.
getECKey
const EC_KEY * getECKey() const;
Returns the OpenSSL EC key.
groupId
int groupId() const;
Returns the EC key group integer Id.
groupName
std::string groupName() const;
Returns the EC key group name.
hasCurve
static bool hasCurve(
const std::string & name
);
Returns true if the named curve is found, false otherwise.
save
void save(
const std::string & publicKeyFile,
const std::string & privateKeyFile = "",
const std::string & privateKeyPassphrase = ""
) const;
Exports the public and private keys to the given files.
If an empty filename is specified, the corresponding key is not exported.
See also: Poco::Crypto::KeyPairImpl::save()
save
void save(
std::ostream * pPublicKeyStream,
std::ostream * pPrivateKeyStream = 0,
const std::string & privateKeyPassphrase = ""
) const;
Exports the public and private key to the given streams.
If a null pointer is passed for a stream, the corresponding key is not exported.
See also: Poco::Crypto::KeyPairImpl::save()
size
int size() const;
Returns the EC key length in bits.
See also: Poco::Crypto::KeyPairImpl::size()