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hai007
05ae5583f8
them with chromium ::crypto symbols of the same names. PiperOrigin-RevId: 684566882
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_NEARBY_INTERNAL_CRYPTO_ED25519_H_
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#define THIRD_PARTY_NEARBY_INTERNAL_CRYPTO_ED25519_H_
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#include <cstring>
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#include <optional>
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#include <string>
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#include "absl/status/statusor.h"
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#include "internal/crypto_cros/crypto_export.h"
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#include <openssl/base.h>
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#include <openssl/digest.h>
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#include <openssl/evp.h>
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namespace nearby::crypto {
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#ifdef OPENSSL_IS_BORINGSSL
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using CryptoKeyUniquePtr = ::bssl::UniquePtr<EVP_PKEY>;
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using CryptoMdCtxUniquePtr = ::bssl::UniquePtr<EVP_MD_CTX>;
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#else
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struct Ed25519KeyFree {
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void operator()(EVP_PKEY* pkey) const { EVP_PKEY_free(pkey); }
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};
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struct Ed25519MdCtxFree {
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void operator()(EVP_MD_CTX* ctx) const { EVP_MD_CTX_free(ctx); }
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};
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using CryptoKeyUniquePtr = std::unique_ptr<EVP_PKEY, Ed25519KeyFree>;
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using CryptoMdCtxUniquePtr = std::unique_ptr<EVP_MD_CTX, Ed25519MdCtxFree>;
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#endif
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struct Ed25519KeyPair {
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~Ed25519KeyPair();
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std::string private_key;
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std::string public_key;
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};
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class CRYPTO_EXPORT Ed25519Signer {
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public:
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static absl::StatusOr<Ed25519Signer> Create(std::string private_key);
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static absl::StatusOr<Ed25519KeyPair> CreateNewKeyPair(
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absl::string_view key_seed);
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static absl::StatusOr<Ed25519KeyPair> CreateNewKeyPair();
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std::optional<std::string> Sign(absl::string_view data);
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private:
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explicit Ed25519Signer(CryptoKeyUniquePtr private_key);
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CryptoKeyUniquePtr private_key_;
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};
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class CRYPTO_EXPORT Ed25519Verifier {
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public:
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static absl::StatusOr<Ed25519Verifier> Create(std::string public_key);
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absl::Status Verify(absl::string_view data, absl::string_view signature);
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private:
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explicit Ed25519Verifier(CryptoKeyUniquePtr public_key);
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CryptoKeyUniquePtr public_key_;
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};
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} // namespace nearby::crypto
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#endif // THIRD_PARTY_NEARBY_INTERNAL_CRYPTO_ED25519_H_
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