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Allow CMAC self test to skip tests for unsupported primitives

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Same type of skipping as in AES and GCM self test routines.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman 2021-01-08 18:01:46 +01:00
parent a51e1dbe76
commit 830d5af2f3
1 changed files with 23 additions and 0 deletions
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23
library/cmac.c
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@ -793,6 +793,17 @@ static int cmac_test_subkeys( int verbose,
if( ( ret = mbedtls_cipher_setkey( &ctx, key, keybits, if( ( ret = mbedtls_cipher_setkey( &ctx, key, keybits,
MBEDTLS_ENCRYPT ) ) != 0 ) MBEDTLS_ENCRYPT ) ) != 0 )
{ {
/* When CMAC is implemented by an alternative implementation, or
* the underlying primitive itself is implemented alternatively,
* certain features (e.g. AES-192) may be unavailable. This should
* not cause the selftest function to fail. */
if( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED ||
ret == MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ) {
if( verbose != 0 )
mbedtls_printf( "skipped\n" );
goto next_test;
}
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( "test execution failed\n" ); mbedtls_printf( "test execution failed\n" );
@ -820,6 +831,7 @@ static int cmac_test_subkeys( int verbose,
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( "passed\n" ); mbedtls_printf( "passed\n" );
next_test:
mbedtls_cipher_free( &ctx ); mbedtls_cipher_free( &ctx );
} }
@ -864,6 +876,17 @@ static int cmac_test_wth_cipher( int verbose,
if( ( ret = mbedtls_cipher_cmac( cipher_info, key, keybits, messages, if( ( ret = mbedtls_cipher_cmac( cipher_info, key, keybits, messages,
message_lengths[i], output ) ) != 0 ) message_lengths[i], output ) ) != 0 )
{ {
/* When CMAC is implemented by an alternative implementation, or
* the underlying primitive itself is implemented alternatively,
* certain features (e.g. AES-192) may be unavailable. This should
* not cause the selftest function to fail. */
if( ret == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED ||
ret == MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ) {
if( verbose != 0 )
mbedtls_printf( "skipped\n" );
continue;
}
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( "failed\n" ); mbedtls_printf( "failed\n" );
goto exit; goto exit;