de3cac4f90
For context, see cl/578224540
This CL is produced via
- Do the removal
- `$ /google/src/head/depot/google3/devtools/scripts/csearch_apply --includefile 'video/widevine/export/common/oemcrypto_core_message/' --search='Copyright \d{4} Google LLC. All rights reserved.' --apply='s,\ All rights reserved\.,,g'`
- Manually deleted a few periods. I.e., for cases where the comment is ONLY "Copyright <year> Google LLC.", I removed the period at the end.
PiperOrigin-RevId: 580020267
Change-Id: I4b2f647d6e3bbb34868e1822591bc953a94cca42
34 lines
819 B
C
34 lines
819 B
C
// Copyright 2019 Google LLC. This file and proprietary
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// source code may only be used and distributed under the Widevine
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// License Agreement.
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#include "odk_util.h"
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int crypto_memcmp(const void* in_a, const void* in_b, size_t len) {
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if (len == 0) {
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return 0;
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}
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/* Only valid pointers are allowed. */
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if (in_a == NULL || in_b == NULL) {
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return -1;
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}
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const uint8_t* a = (const uint8_t*)in_a;
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const uint8_t* b = (const uint8_t*)in_b;
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uint8_t x = 0;
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for (size_t i = 0; i < len; i++) {
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x |= a[i] ^ b[i];
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}
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return x;
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}
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bool ODK_NonceValuesEqualExcludingVersion(const ODK_NonceValues* a,
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const ODK_NonceValues* b) {
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if (a == NULL || b == NULL) {
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return (a == b);
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}
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return (a->nonce == b->nonce && a->session_id == b->session_id);
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}
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