db2050dff1
Merge from Widevine repo of http://go/wvgerrit/93404 This is the unit tests, reference code, and documentation for OEMCrypto v16.2. Backwards compatibility should work for a v15 OEMCrypto. Some review comments will be addressed in future CLs. Bug: 141247171 Test: Unit tests Test: Media GTS tests on bonito Change-Id: I9d427c07580e180c0a4cfdc4a68f538d351c0ddd
25 lines
796 B
C
25 lines
796 B
C
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
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/* source code may only be used and distributed under the Widevine Master */
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/* License Agreement. */
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#ifndef WIDEVINE_ODK_SRC_ODK_UTIL_H_
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#define WIDEVINE_ODK_SRC_ODK_UTIL_H_
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* crypto_memcmp returns zero iff the |len| bytes at |a| and |b| are equal. It
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* takes an amount of time dependent on |len|, but independent of the contents
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* of |a| and |b|. Unlike memcmp, it cannot be used to order elements as the
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* return value when a != b is undefined, other than being non-zero. */
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int crypto_memcmp(const void* a, const void* b, size_t len);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WIDEVINE_ODK_SRC_ODK_UTIL_H_ */
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