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psa: programs: Add cipher example fallback main

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When dependencies are missing, print an error message from the example
about missing dependencies at run-time.
This commit is contained in:
itayzafrir 2018-07-17 09:28:11 +03:00
parent 44b09d2a67
commit 18ac331e15
1 changed files with 15 additions and 0 deletions
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15
programs/psa/crypto_examples.c
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@ -31,6 +31,19 @@
} \
} while ( 0 )
#if !defined(MBEDTLS_PSA_CRYPTO_C) || !defined(MBEDTLS_AES_C) || \
!defined(MBEDTLS_CIPHER_MODE_CBC) || !defined(MBEDTLS_CIPHER_MODE_CTR) || \
!defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
int main( void )
{
mbedtls_printf( "MBEDTLS_PSA_CRYPTO_C and/or MBEDTLS_AES_C and/or "
"MBEDTLS_CIPHER_MODE_CBC and/or MBEDTLS_CIPHER_MODE_CTR "
"and/or MBEDTLS_CIPHER_MODE_WITH_PADDING "
"not defined.\r\n" );
return( 0 );
}
#else
/* Use key slot 1 for our cipher key. Key slot 0 is reserved as unused. */
static const psa_key_slot_t key_slot_cipher = 1;
@ -314,3 +327,5 @@ exit:
mbedtls_psa_crypto_free( );
return( 0 );
}
#endif /* MBEDTLS_PSA_CRYPTO_C && MBEDTLS_AES_C && MBEDTLS_CIPHER_MODE_CBC &&
MBEDTLS_CIPHER_MODE_CTR && MBEDTLS_CIPHER_MODE_WITH_PADDING */