diff options
Diffstat (limited to 'src/libs/3rdparty/botan/src/lib/pubkey/ecc_key/ecc_key.cpp')
| -rw-r--r-- | src/libs/3rdparty/botan/src/lib/pubkey/ecc_key/ecc_key.cpp | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/pubkey/ecc_key/ecc_key.cpp b/src/libs/3rdparty/botan/src/lib/pubkey/ecc_key/ecc_key.cpp deleted file mode 100644 index 767a799bf0..0000000000 --- a/src/libs/3rdparty/botan/src/lib/pubkey/ecc_key/ecc_key.cpp +++ /dev/null @@ -1,203 +0,0 @@ -/* -* ECC Key implemenation -* (C) 2007 Manuel Hartl, FlexSecure GmbH -* Falko Strenzke, FlexSecure GmbH -* 2008-2010 Jack Lloyd -* -* Botan is released under the Simplified BSD License (see license.txt) -*/ - -#include <botan/ecc_key.h> -#include <botan/numthry.h> -#include <botan/der_enc.h> -#include <botan/ber_dec.h> -#include <botan/secmem.h> -#include <botan/point_gfp.h> -#include <botan/workfactor.h> - -namespace Botan { - -size_t EC_PublicKey::key_length() const - { - return domain().get_p_bits(); - } - -size_t EC_PublicKey::estimated_strength() const - { - return ecp_work_factor(key_length()); - } - -EC_PublicKey::EC_PublicKey(const EC_Group& dom_par, - const PointGFp& pub_point) : - m_domain_params(dom_par), m_public_key(pub_point) - { - if (!dom_par.get_curve_oid().empty()) - m_domain_encoding = EC_DOMPAR_ENC_OID; - else - m_domain_encoding = EC_DOMPAR_ENC_EXPLICIT; - -#if 0 - if(domain().get_curve() != public_point().get_curve()) - throw Invalid_Argument("EC_PublicKey: curve mismatch in constructor"); -#endif - } - -EC_PublicKey::EC_PublicKey(const AlgorithmIdentifier& alg_id, - const std::vector<uint8_t>& key_bits) : - m_domain_params{EC_Group(alg_id.get_parameters())}, - m_public_key{domain().OS2ECP(key_bits)} - { - if (!domain().get_curve_oid().empty()) - m_domain_encoding = EC_DOMPAR_ENC_OID; - else - m_domain_encoding = EC_DOMPAR_ENC_EXPLICIT; - } - -bool EC_PublicKey::check_key(RandomNumberGenerator& rng, - bool) const - { - return m_domain_params.verify_group(rng) && - m_domain_params.verify_public_element(public_point()); - } - - -AlgorithmIdentifier EC_PublicKey::algorithm_identifier() const - { - return AlgorithmIdentifier(get_oid(), DER_domain()); - } - -std::vector<uint8_t> EC_PublicKey::public_key_bits() const - { - return public_point().encode(point_encoding()); - } - -void EC_PublicKey::set_point_encoding(PointGFp::Compression_Type enc) - { - if(enc != PointGFp::COMPRESSED && - enc != PointGFp::UNCOMPRESSED && - enc != PointGFp::HYBRID) - throw Invalid_Argument("Invalid point encoding for EC_PublicKey"); - - m_point_encoding = enc; - } - -void EC_PublicKey::set_parameter_encoding(EC_Group_Encoding form) - { - if(form != EC_DOMPAR_ENC_EXPLICIT && - form != EC_DOMPAR_ENC_IMPLICITCA && - form != EC_DOMPAR_ENC_OID) - throw Invalid_Argument("Invalid encoding form for EC-key object specified"); - - if((form == EC_DOMPAR_ENC_OID) && (m_domain_params.get_curve_oid().empty())) - throw Invalid_Argument("Invalid encoding form OID specified for " - "EC-key object whose corresponding domain " - "parameters are without oid"); - - m_domain_encoding = form; - } - -const BigInt& EC_PrivateKey::private_value() const - { - if(m_private_key == 0) - throw Invalid_State("EC_PrivateKey::private_value - uninitialized"); - - return m_private_key; - } - -/** -* EC_PrivateKey constructor -*/ -EC_PrivateKey::EC_PrivateKey(RandomNumberGenerator& rng, - const EC_Group& ec_group, - const BigInt& x, - bool with_modular_inverse) - { - m_domain_params = ec_group; - if (!ec_group.get_curve_oid().empty()) - m_domain_encoding = EC_DOMPAR_ENC_OID; - else - m_domain_encoding = EC_DOMPAR_ENC_EXPLICIT; - - if(x == 0) - { - m_private_key = ec_group.random_scalar(rng); - } - else - { - m_private_key = x; - } - - // Can't use rng here because ffi load functions use Null_RNG - if(with_modular_inverse) - { - // ECKCDSA - m_public_key = domain().get_base_point() * m_domain_params.inverse_mod_order(m_private_key); - } - else - { - m_public_key = domain().get_base_point() * m_private_key; - } - - BOTAN_ASSERT(m_public_key.on_the_curve(), - "Generated public key point was on the curve"); - } - -secure_vector<uint8_t> EC_PrivateKey::private_key_bits() const - { - return DER_Encoder() - .start_cons(SEQUENCE) - .encode(static_cast<size_t>(1)) - .encode(BigInt::encode_1363(m_private_key, m_private_key.bytes()), OCTET_STRING) - .start_cons(ASN1_Tag(1), PRIVATE) - .encode(m_public_key.encode(PointGFp::Compression_Type::UNCOMPRESSED), BIT_STRING) - .end_cons() - .end_cons() - .get_contents(); - } - -EC_PrivateKey::EC_PrivateKey(const AlgorithmIdentifier& alg_id, - const secure_vector<uint8_t>& key_bits, - bool with_modular_inverse) - { - m_domain_params = EC_Group(alg_id.get_parameters()); - m_domain_encoding = EC_DOMPAR_ENC_EXPLICIT; - - if (!domain().get_curve_oid().empty()) - m_domain_encoding = EC_DOMPAR_ENC_OID; - else - m_domain_encoding = EC_DOMPAR_ENC_EXPLICIT; - - OID key_parameters; - secure_vector<uint8_t> public_key_bits; - - BER_Decoder(key_bits) - .start_cons(SEQUENCE) - .decode_and_check<size_t>(1, "Unknown version code for ECC key") - .decode_octet_string_bigint(m_private_key) - .decode_optional(key_parameters, ASN1_Tag(0), PRIVATE) - .decode_optional_string(public_key_bits, BIT_STRING, 1, PRIVATE) - .end_cons(); - - if(public_key_bits.empty()) - { - if(with_modular_inverse) - { - // ECKCDSA - m_public_key = domain().get_base_point() * m_domain_params.inverse_mod_order(m_private_key); - } - else - { - m_public_key = domain().get_base_point() * m_private_key; - } - - BOTAN_ASSERT(m_public_key.on_the_curve(), - "Public point derived from loaded key was on the curve"); - } - else - { - m_public_key = domain().OS2ECP(public_key_bits); - // OS2ECP verifies that the point is on the curve - } - } - -} |