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Add entropy safety switch.

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Add a switch that turns entropy collecting off entirely, but enables
mbed TLS to run in an entirely unsafe mode. Enables to test mbed TLS
on platforms that don't have their entropy sources integrated yet.
This commit is contained in:
Janos Follath 2016-06-08 15:29:18 +01:00
parent 184eea6aa0
commit 53de78444c
6 changed files with 65 additions and 0 deletions
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11
include/mbedtls/check_config.h
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@ -130,6 +130,17 @@
#error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_TEST_WO_ENTROPY)
#warning "MBEDTLS_TEST_WO_ENTROPY defined, this build provides no security!"
#if !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
#error "MBEDTLS_TEST_WO_ENTROPY defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
defined(MBEDTLS_HAVEGE_C)
#error "MBEDTLS_TEST_WO_ENTROPY defined, but entropy sources too"
#endif
#endif
#if defined(MBEDTLS_GCM_C) && ( \
!defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
#error "MBEDTLS_GCM_C defined, but not all prerequisites"