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aes: xts: Add new context structure

Add a new context structure for XTS. Adjust the API for XTS to use the new
context structure, including tests suites and the benchmark program. Update
Doxgen documentation accordingly.
This commit is contained in:
Jaeden Amero
2018-05-29 18:55:17 +01:00
parent e22ba80e7b
commit 9366feb504
4 changed files with 214 additions and 57 deletions

View File

@@ -432,23 +432,23 @@ int main( int argc, char *argv[] )
if( todo.aes_xts )
{
int keysize;
mbedtls_aes_context crypt_ctx, tweak_ctx;
mbedtls_aes_init( &crypt_ctx );
mbedtls_aes_init( &tweak_ctx );
for( keysize = 128; keysize <= 256; keysize += 64 )
mbedtls_aes_xts_context ctx;
mbedtls_aes_xts_init( &ctx );
for( keysize = 128; keysize <= 256; keysize += 128 )
{
mbedtls_snprintf( title, sizeof( title ), "AES-XTS-%d", keysize );
memset( buf, 0, sizeof( buf ) );
memset( tmp, 0, sizeof( tmp ) );
mbedtls_aes_setkey_enc( &crypt_ctx, tmp, keysize );
mbedtls_aes_setkey_enc( &tweak_ctx, tmp, keysize );
mbedtls_aes_xts_setkey_enc( &ctx, tmp, keysize * 2 );
TIME_AND_TSC( title,
mbedtls_aes_crypt_xts( &crypt_ctx, &tweak_ctx, MBEDTLS_AES_ENCRYPT, BUFSIZE * 8, tmp, buf, buf ) );
mbedtls_aes_crypt_xts( &ctx, MBEDTLS_AES_ENCRYPT, BUFSIZE,
tmp, buf, buf ) );
mbedtls_aes_xts_free( &ctx );
}
mbedtls_aes_free( &crypt_ctx );
mbedtls_aes_free( &tweak_ctx );
}
#endif
#if defined(MBEDTLS_GCM_C)