43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
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//
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// Copyright (C) 2022 The Android Open Source Project
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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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// http://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 SECURE_ENV_TPM_FFI_H_
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#define SECURE_ENV_TPM_FFI_H_
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#include <stdint.h>
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// C-based entrypoints for accessing TPM functionality, for use by Rust code.
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// Rust equivalents are generated using `bindgen`.
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Provide an FFI-accessible version of `TpmHmacWithContext`.
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* Returns 0 on success, 1 on error.
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*/
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uint32_t tpm_hmac(void* trm, const uint8_t* data, uint32_t data_len,
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uint8_t* tag, uint32_t tag_len);
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void secure_env_log(const char* file, unsigned int line, int severity,
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const char* tag, const char* msg);
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#ifdef __cplusplus
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}
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#endif
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#endif // SECURE_ENV_TPM_FFI_H_
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