vanetza::security::Backend Class Reference

#include <backend.hpp>

Inheritance diagram for vanetza::security::Backend:

Public Member Functions
virtual EcdsaSignature	sign_data (const ecdsa256::PrivateKey &private_key, const ByteBuffer &data)=0
	calculate signature for given data and private key
virtual bool	verify_data (const ecdsa256::PublicKey &public_key, const ByteBuffer &data, const EcdsaSignature &sig)=0
	try to verify data using public key and signature
virtual bool	verify_digest (const PublicKey &public_key, const ByteBuffer &digest, const Signature &sig)=0
	try to verify digest using public key and signature
virtual boost::optional< Uncompressed >	decompress_point (const EccPoint &ecc_point)=0
	decompress a possibly compressed elliptic curve point
virtual ByteBuffer	calculate_hash (KeyType, const ByteBuffer &)=0

Detailed Description

Interface to cryptographic features

Definition at line 22 of file backend.hpp.

Member Function Documentation

calculate_hash()

virtual ByteBuffer vanetza::security::Backend::calculate_hash ( KeyType  , const ByteBuffer &    )

pure virtual

Implemented in vanetza::security::BackendCryptoPP, and vanetza::security::BackendNull.

decompress_point()

virtual boost::optional< Uncompressed > vanetza::security::Backend::decompress_point ( const EccPoint &  ecc_point )

pure virtual

decompress a possibly compressed elliptic curve point

Parameters

ecc_point

elliptic curve point

Returns

uncompressed point

Implemented in vanetza::security::BackendCryptoPP, vanetza::security::BackendNull, and vanetza::security::BackendOpenSsl.

sign_data()

virtual EcdsaSignature vanetza::security::Backend::sign_data ( const ecdsa256::PrivateKey &  private_key, const ByteBuffer &  data  )

pure virtual

calculate signature for given data and private key

Parameters

private_key	Secret private key
data	buffer with plaintext data

Returns

calculated signature

Implemented in vanetza::security::BackendCryptoPP, vanetza::security::BackendNull, and vanetza::security::BackendOpenSsl.

verify_data()

virtual bool vanetza::security::Backend::verify_data ( const ecdsa256::PublicKey &  public_key, const ByteBuffer &  data, const EcdsaSignature &  sig  )

pure virtual

try to verify data using public key and signature

Parameters

public_key	Public key
data	plaintext
sig	signature of data

Returns

true if the data could be verified

Implemented in vanetza::security::BackendCryptoPP, vanetza::security::BackendNull, and vanetza::security::BackendOpenSsl.

verify_digest()

virtual bool vanetza::security::Backend::verify_digest ( const PublicKey &  public_key, const ByteBuffer &  digest, const Signature &  sig  )

pure virtual

try to verify digest using public key and signature

Parameters

public_key	public key
digest	hash value of data
sig	signature of data

Returns

true if data could be verified

Implemented in vanetza::security::BackendCryptoPP, vanetza::security::BackendNull, and vanetza::security::BackendOpenSsl.

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

• vanetza/security/backend.hpp