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Merge pull request #4007 from stevew817/feature/alt_implementation_is_not_deterministic

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Don't self-test ECJPAKE ALT implementations against known entropy
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Janos Follath 2021-01-25 12:39:03 +00:00 committed by GitHub
commit b034683a70
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1 changed files with 11 additions and 0 deletions
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11
library/ecjpake.c
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@ -820,6 +820,8 @@ static const unsigned char ecjpake_test_password[] = {
0x65, 0x73, 0x74
};
#if !defined(MBEDTLS_ECJPAKE_ALT)
static const unsigned char ecjpake_test_x1[] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c,
0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
@ -964,6 +966,8 @@ cleanup:
return( ret );
}
#endif /* ! MBEDTLS_ECJPAKE_ALT */
/* For tests we don't need a secure RNG;
* use the LGC from Numerical Recipes for simplicity */
static int ecjpake_lgc( void *p, unsigned char *out, size_t len )
@ -1059,6 +1063,12 @@ int mbedtls_ecjpake_self_test( int verbose )
if( verbose != 0 )
mbedtls_printf( "passed\n" );
#if !defined(MBEDTLS_ECJPAKE_ALT)
/* 'reference handshake' tests can only be run against implementations
* for which we have 100% control over how the random ephemeral keys
* are generated. This is only the case for the internal mbed TLS
* implementation, so these tests are skipped in case the internal
* implementation is swapped out for an alternative one. */
if( verbose != 0 )
mbedtls_printf( " ECJPAKE test #2 (reference handshake): " );
@ -1107,6 +1117,7 @@ int mbedtls_ecjpake_self_test( int verbose )
if( verbose != 0 )
mbedtls_printf( "passed\n" );
#endif /* ! MBEDTLS_ECJPAKE_ALT */
cleanup:
mbedtls_ecjpake_free( &cli );