diff options
Diffstat (limited to 'src/pubkey/ecdsa/ecc_key.cpp')
-rw-r--r-- | src/pubkey/ecdsa/ecc_key.cpp | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/src/pubkey/ecdsa/ecc_key.cpp b/src/pubkey/ecdsa/ecc_key.cpp deleted file mode 100644 index 36226b47b..000000000 --- a/src/pubkey/ecdsa/ecc_key.cpp +++ /dev/null @@ -1,141 +0,0 @@ -/************************************************* -* ECC Key implemenation * -* (C) 2007 Manuel Hartl / FlexSecure GmbH * -* * -* Falko Strenzke * -* [email protected] * -*************************************************/ - -#include <botan/ecc_key.h> -#include <botan/x509_key.h> -#include <botan/numthry.h> -#include <botan/util.h> -#include <botan/der_enc.h> -#include <botan/ber_dec.h> -#include <botan/secmem.h> -#include <botan/point_gfp.h> - -namespace Botan { - -/************************************************* -* EC_PublicKey * -*************************************************/ -void EC_PublicKey::affirm_init() const // virtual - { - if ((mp_dom_pars.get() == 0) || (mp_public_point.get() == 0)) - { - throw Invalid_State("cannot use uninitialized EC_Key"); - } - } -EC_Domain_Params const EC_PublicKey::get_domain_parameters() const - { - if(!mp_dom_pars.get()) - { - throw Invalid_State("EC_PublicKey::get_domain_parameters(): ec domain parameters are not yet set"); - } - return *mp_dom_pars; - } -bool EC_PublicKey::domain_parameters_set() - { - if (mp_dom_pars.get()) - { - return true; - } - return false; - } -void EC_PublicKey::X509_load_hook() - { - try - { - // the base point is checked to be on curve already when decoding it - affirm_init(); - mp_public_point->check_invariants(); - } - catch ( Illegal_Point exc ) - { - throw Decoding_Error ( "decoded public point was found not to lie on curve" ); - } - } - - -X509_Encoder* EC_PublicKey::x509_encoder() const - { - class EC_Key_Encoder : public X509_Encoder - { - public: - AlgorithmIdentifier alg_id() const - { - key->affirm_init(); - SecureVector<byte> params = encode_der_ec_dompar ( * ( key->mp_dom_pars ), key->m_param_enc ); - return AlgorithmIdentifier ( key->get_oid(), - params ); - } - - MemoryVector<byte> key_bits() const - { - key->affirm_init(); - return EC2OSP ( * ( key->mp_public_point ), PointGFp::COMPRESSED ); - - } - - EC_Key_Encoder ( const EC_PublicKey* k ) : key ( k ) - {} - private: - const EC_PublicKey* key; - }; - - return new EC_Key_Encoder(this); - } - -X509_Decoder* EC_PublicKey::x509_decoder() - { - class EC_Key_Decoder : public X509_Decoder - { - public: - void alg_id ( const AlgorithmIdentifier& alg_id ) - { - key->mp_dom_pars.reset ( new EC_Domain_Params ( decode_ber_ec_dompar ( alg_id.parameters ) ) ); - } - - void key_bits ( const MemoryRegion<byte>& bits ) - { - key->mp_public_point.reset ( new PointGFp ( OS2ECP ( bits, key->mp_dom_pars->get_curve() ) ) ); - key->X509_load_hook(); - } - - EC_Key_Decoder ( EC_PublicKey* k ) : key ( k ) - {} - private: - EC_PublicKey* key; - }; - - return new EC_Key_Decoder(this); - } - -void EC_PublicKey::set_parameter_encoding ( EC_dompar_enc type ) - { - if ( ( type != ENC_EXPLICIT ) && ( type != ENC_IMPLICITCA ) && ( type != ENC_OID ) ) - { - throw Invalid_Argument ( "invalid encoding type for EC-key object specified" ); - } - affirm_init(); - if ( ( mp_dom_pars->get_oid() == "" ) && ( type == ENC_OID ) ) - { - throw Invalid_Argument ( "invalid encoding type ENC_OID specified for EC-key object whose corresponding domain parameters are without oid" ); - } - m_param_enc = type; - } - -/******************************** -* EC_PrivateKey * -********************************/ -void EC_PrivateKey::affirm_init() const // virtual - { - EC_PublicKey::affirm_init(); - if (m_private_value == 0) - { - throw Invalid_State("cannot use EC_PrivateKey when private key is uninitialized"); - } - } - -} |