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Merge pull request #716 from mpg/ct-varlen-hmac

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Add constant-flow variable-length HMAC function
This commit is contained in:
Manuel Pégourié-Gonnard
2020-08-10 12:40:33 +02:00
committed by GitHub
parent 171826550f 8ff863b992
commit eaa0739143
15 changed files with 466 additions and 99 deletions
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10
include/mbedtls/check_config.h
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@ -186,6 +186,16 @@
#error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
#endif
#if defined(__has_feature)
#if __has_feature(memory_sanitizer)
#define MBEDTLS_HAS_MEMSAN
#endif
#endif
#if defined(MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN) && !defined(MBEDTLS_HAS_MEMSAN)
#error "MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN requires building with MemorySanitizer"
#endif
#undef MBEDTLS_HAS_MEMSAN
#if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
#error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"

16
include/mbedtls/config.h
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@ -1906,6 +1906,22 @@
*/
//#define MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH
/**
* \def MBEDTLS_TEST_CONSTANT_FLOW_MEMSAN
*
* 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 setting requires compiling with clang -fsanitize=memory.
*
* \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_MEMSAN
/**
* \def MBEDTLS_TEST_HOOKS
*

24
include/mbedtls/ssl_internal.h
View File

@ -146,12 +146,26 @@
#define MBEDTLS_SSL_COMPRESSION_ADD 0
#endif
/* This macro determines whether CBC is supported. */
#if defined(MBEDTLS_CIPHER_MODE_CBC) && \
( defined(MBEDTLS_AES_C) || \
defined(MBEDTLS_CAMELLIA_C) || \
defined(MBEDTLS_ARIA_C) || \
defined(MBEDTLS_DES_C) )
#define MBEDTLS_SSL_SOME_SUITES_USE_CBC
#endif
/* This macro determines whether the CBC construct used in TLS 1.0-1.2 (as
* opposed to the very different CBC construct used in SSLv3) is supported. */
#if defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC) && \
( defined(MBEDTLS_SSL_PROTO_TLS1) || \
defined(MBEDTLS_SSL_PROTO_TLS1_1) || \
defined(MBEDTLS_SSL_PROTO_TLS1_2) )
#define MBEDTLS_SSL_SOME_SUITES_USE_TLS_CBC
#endif
#if defined(MBEDTLS_ARC4_C) || defined(MBEDTLS_CIPHER_NULL_CIPHER) || \
( defined(MBEDTLS_CIPHER_MODE_CBC) && \
( defined(MBEDTLS_AES_C) || \
defined(MBEDTLS_CAMELLIA_C) || \
defined(MBEDTLS_ARIA_C) || \
defined(MBEDTLS_DES_C) ) )
defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC)
#define MBEDTLS_SSL_SOME_MODES_USE_MAC
#endif