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zephyr: config-rsa.h: remove copypasta 

MCUboot doesn't need mbedTLS's entropy code (you don't need random
numbers to check a digital signature), but it enables it. This causes
really scary warnings when building entropy.c, since the test entropy
source is enabled:

    [113/197] Building C object zephyr/ext/lib/crypto/mbedtls/CMakeFiles/ext__lib__crypto__mbedtls.dir/library/entropy.c.obj
    /home/mbolivar/src/zephyr/ext/lib/crypto/mbedtls/library/entropy.c:31:2: warning: #warning "**** WARNING!  MBEDTLS_TEST_NULL_ENTROPY defined! " [-Wcpp]
     #warning "**** WARNING!  MBEDTLS_TEST_NULL_ENTROPY defined! "
      ^~~~~~~
    /home/mbolivar/src/zephyr/ext/lib/crypto/mbedtls/library/entropy.c:32:2: warning: #warning "**** THIS BUILD HAS NO DEFINED ENTROPY SOURCES " [-Wcpp]
     #warning "**** THIS BUILD HAS NO DEFINED ENTROPY SOURCES "
      ^~~~~~~
    /home/mbolivar/src/zephyr/ext/lib/crypto/mbedtls/library/entropy.c:33:2: warning: #warning "**** THIS BUILD IS *NOT* SUITABLE FOR PRODUCTION USE " [-Wcpp]
     #warning "**** THIS BUILD IS *NOT* SUITABLE FOR PRODUCTION USE "
      ^~~~~~~

Delete the bits of the mbedTLS configuration that compile this
file (along with some testing code we don't care about either) to
clean up the warning. This looks like copy/paste code from the initial
mbedTLS config import into MCUboot.

Signed-off-by: Marti Bolivar <marti@foundries.io>
This commit is contained in:
Marti Bolivar 2018-09-05 15:00:39 -04:00 committed by Fabio Utzig
parent 0e259097fb
commit 5de83b1e47
1 changed files with 0 additions and 8 deletions
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8
boot/zephyr/include/config-rsa.h
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@ -48,14 +48,6 @@
#define MBEDTLS_HAVE_ASM
#endif
#if defined(CONFIG_MBEDTLS_TEST)
#define MBEDTLS_SELF_TEST
#define MBEDTLS_DEBUG_C
#else
#define MBEDTLS_ENTROPY_C
#define MBEDTLS_TEST_NULL_ENTROPY
#endif
#define MBEDTLS_RSA_C
#define MBEDTLS_PKCS1_V21