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Merge pull request #736 from mpg/cf-varpos-copy-dev-restricted

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Constant-flow copy of HMAC from variable position
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Janos Follath 2020-08-25 14:35:55 +01:00 • committed by GitHub
commit d4ac4e037b
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11 changed files with 211 additions and 39 deletions
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24
include/mbedtls/config.h
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@ -1911,9 +1911,10 @@
*
* Enable testing of the constant-flow nature of some sensitive functions with
* clang's MemorySanitizer. This causes some existing tests to also test
* non-functional properties of the code under test.
* this non-functional property of the code under test.
*
* This setting requires compiling with clang -fsanitize=memory.
* This setting requires compiling with clang -fsanitize=memory. The test
* suites can then be run normally.
*
* \warning This macro is only used for extended testing; it is not considered
* part of the library's API, so it may change or disappear at any time.
@ -1922,6 +1923,25 @@
*/
//#define MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN
/**
* \def MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND
*
* Enable testing of the constant-flow nature of some sensitive functions with
* valgrind's memcheck tool. This causes some existing tests to also test
* this non-functional property of the code under test.
*
* This setting requires valgrind headers for building, and is only useful for
* testing if the tests suites are run with valgrind's memcheck. This can be
* done for an individual test suite with 'valgrind ./test_suite_xxx', or when
* using CMake, this can be done for all test suites with 'make memcheck'.
*
* \warning This macro is only used for extended testing; it is not considered
* part of the library's API, so it may change or disappear at any time.
*
* Uncomment to enable testing of the constant-flow nature of selected code.
*/
//#define MBEDTLS_TEST_CONSTANT_FLOW_VALGRIND
/**
* \def MBEDTLS_TEST_HOOKS
*