63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
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#pragma once
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#include <vanetza/common/byte_buffer.hpp>
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#include <cstddef>
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#include <memory>
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namespace vanetza
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{
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namespace security
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{
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namespace pqc
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{
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constexpr std::size_t fndsa512_public_key_size = 897;
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constexpr std::size_t fndsa512_private_key_size = 1281;
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constexpr std::size_t fndsa512_signature_size = 666;
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struct PublicKey
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{
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ByteBuffer bytes;
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};
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struct PrivateKey
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{
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ByteBuffer bytes;
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};
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struct Signature
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{
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ByteBuffer bytes;
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};
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struct KeyPair
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{
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PublicKey public_key;
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PrivateKey private_key;
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};
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/**
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* Cryptographic operations for the experimental FN-DSA-512 profile.
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*
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* The interface is intentionally separate from security::Backend. Enabling
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* the experimental profile therefore does not alter the established ECC
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* backend contract or its key types.
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*/
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class Backend
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{
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public:
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virtual KeyPair generate_key_pair() = 0;
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virtual Signature sign(const PrivateKey&, const ByteBuffer& data) = 0;
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virtual bool verify(const PublicKey&, const ByteBuffer& data, const Signature&) = 0;
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virtual ~Backend() = default;
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};
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/**
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* Create the liboqs-backed implementation used by the experimental profile.
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*/
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std::unique_ptr<Backend> create_fndsa512_backend();
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} // namespace pqc
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} // namespace security
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} // namespace vanetza
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