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tests: TLS fuzzing tool

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Add test-tls program that can be used for fuzzing the internal TLS
client and server implementations. This tool can write client or server
messages into a file as an initialization step and for the fuzzing step,
that file (with potential modifications) can be used to replace the
internally generated message contents.

The TEST_FUZZ=y build parameter is used to make a special build where a
hardcoded random number generator and hardcoded timestamp are used to
force deterministic behavior for the TLS operations.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2019-02-09 21:07:24 +02:00
parent b49ec25979
commit 1ac9c020b5
7 changed files with 273 additions and 0 deletions
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2
src/crypto/Makefile
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@ -62,7 +62,9 @@ LIB_OBJS += crypto_internal-modexp.o
LIB_OBJS += crypto_internal-rsa.o
LIB_OBJS += tls_internal.o
LIB_OBJS += fips_prf_internal.o
ifndef TEST_FUZZ
LIB_OBJS += random.o
endif
libcrypto.a: $(LIB_OBJS)