348 lines
14 KiB
Text
348 lines
14 KiB
Text
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/* BEGIN_HEADER */
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#include "mbedtls/chachapoly.h"
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_CHACHAPOLY_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void mbedtls_chachapoly_enc( char *hex_key_string, char *hex_nonce_string, char *hex_aad_string, char *hex_input_string, char *hex_output_string, char *hex_mac_string )
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{
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unsigned char key_str[32]; /* size set by the standard */
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unsigned char nonce_str[12]; /* size set by the standard */
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unsigned char aad_str[12]; /* max size of test data so far */
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unsigned char input_str[265]; /* max size of binary input/output so far */
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unsigned char output_str[265];
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unsigned char output[265];
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unsigned char mac_str[16]; /* size set by the standard */
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unsigned char mac[16]; /* size set by the standard */
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size_t input_len;
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size_t output_len;
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size_t aad_len;
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size_t key_len;
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size_t nonce_len;
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size_t mac_len;
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mbedtls_chachapoly_context ctx;
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memset( key_str, 0x00, sizeof( key_str ) );
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memset( nonce_str, 0x00, sizeof( nonce_str ) );
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memset( aad_str, 0x00, sizeof( aad_str ) );
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memset( input_str, 0x00, sizeof( input_str ) );
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memset( output_str, 0x00, sizeof( output_str ) );
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memset( mac_str, 0x00, sizeof( mac_str ) );
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aad_len = unhexify( aad_str, hex_aad_string );
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input_len = unhexify( input_str, hex_input_string );
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output_len = unhexify( output_str, hex_output_string );
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key_len = unhexify( key_str, hex_key_string );
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nonce_len = unhexify( nonce_str, hex_nonce_string );
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mac_len = unhexify( mac_str, hex_mac_string );
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TEST_ASSERT( key_len == 32 );
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TEST_ASSERT( nonce_len == 12 );
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TEST_ASSERT( mac_len == 16 );
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mbedtls_chachapoly_init( &ctx );
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TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key_str ) == 0 );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
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input_len, nonce_str,
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aad_str, aad_len,
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input_str, output, mac ) == 0 );
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TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 );
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TEST_ASSERT( memcmp( mac_str, mac, 16U ) == 0 );
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exit:
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mbedtls_chachapoly_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void mbedtls_chachapoly_dec( char *hex_key_string, char *hex_nonce_string, char *hex_aad_string, char *hex_input_string, char *hex_output_string, char *hex_mac_string, int ret_exp )
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{
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unsigned char key_str[32]; /* size set by the standard */
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unsigned char nonce_str[12]; /* size set by the standard */
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unsigned char aad_str[12]; /* max size of test data so far */
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unsigned char input_str[265]; /* max size of binary input/output so far */
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unsigned char output_str[265];
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unsigned char output[265];
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unsigned char mac_str[16]; /* size set by the standard */
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size_t input_len;
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size_t output_len;
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size_t aad_len;
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size_t key_len;
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size_t nonce_len;
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size_t mac_len;
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int ret;
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mbedtls_chachapoly_context ctx;
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memset( key_str, 0x00, sizeof( key_str ) );
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memset( nonce_str, 0x00, sizeof( nonce_str ) );
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memset( aad_str, 0x00, sizeof( aad_str ) );
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memset( input_str, 0x00, sizeof( input_str ) );
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memset( output_str, 0x00, sizeof( output_str ) );
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memset( mac_str, 0x00, sizeof( mac_str ) );
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aad_len = unhexify( aad_str, hex_aad_string );
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input_len = unhexify( input_str, hex_input_string );
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output_len = unhexify( output_str, hex_output_string );
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key_len = unhexify( key_str, hex_key_string );
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nonce_len = unhexify( nonce_str, hex_nonce_string );
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mac_len = unhexify( mac_str, hex_mac_string );
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TEST_ASSERT( key_len == 32 );
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TEST_ASSERT( nonce_len == 12 );
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TEST_ASSERT( mac_len == 16 );
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mbedtls_chachapoly_init( &ctx );
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TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key_str ) == 0 );
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ret = mbedtls_chachapoly_auth_decrypt( &ctx,
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input_len, nonce_str,
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aad_str, aad_len,
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mac_str, input_str, output );
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TEST_ASSERT( ret == ret_exp );
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if( ret_exp == 0 )
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{
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TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 );
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}
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exit:
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mbedtls_chachapoly_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void chachapoly_bad_params()
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{
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unsigned char key[32];
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unsigned char nonce[12];
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unsigned char aad[1];
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unsigned char input[1];
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unsigned char output[1];
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unsigned char mac[16];
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size_t input_len = sizeof( input );
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size_t aad_len = sizeof( aad );
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mbedtls_chachapoly_context ctx;
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memset( key, 0x00, sizeof( key ) );
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memset( nonce, 0x00, sizeof( nonce ) );
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memset( aad, 0x00, sizeof( aad ) );
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memset( input, 0x00, sizeof( input ) );
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memset( output, 0x00, sizeof( output ) );
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memset( mac, 0x00, sizeof( mac ) );
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mbedtls_chachapoly_init( NULL );
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mbedtls_chachapoly_free( NULL );
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mbedtls_chachapoly_init( &ctx );
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TEST_ASSERT( mbedtls_chachapoly_setkey( NULL, key )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, NULL )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( NULL,
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0, nonce,
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aad, 0,
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input, output, mac )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
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0, NULL,
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aad, 0,
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input, output, mac )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
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0, nonce,
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NULL, aad_len,
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input, output, mac )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
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input_len, nonce,
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aad, 0,
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NULL, output, mac )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
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input_len, nonce,
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aad, 0,
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input, NULL, mac )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
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0, nonce,
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aad, 0,
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input, output, NULL )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( NULL,
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0, nonce,
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aad, 0,
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mac, input, output )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
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0, NULL,
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aad, 0,
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mac, input, output )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
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0, nonce,
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NULL, aad_len,
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mac, input, output )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
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0, nonce,
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aad, 0,
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NULL, input, output )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
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input_len, nonce,
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aad, 0,
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mac, NULL, output )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
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input_len, nonce,
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aad, 0,
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mac, input, NULL )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
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0, nonce,
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aad, aad_len,
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NULL, NULL, mac )
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== 0 );
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TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
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0, nonce,
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aad, aad_len,
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mac, NULL, NULL )
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== 0 );
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TEST_ASSERT( mbedtls_chachapoly_encrypt_and_tag( &ctx,
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input_len, nonce,
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NULL, 0,
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input, output, mac )
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== 0 );
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TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
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input_len, nonce,
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NULL, 0,
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mac, input, output )
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== 0 );
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TEST_ASSERT( mbedtls_chachapoly_starts( NULL, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, NULL, MBEDTLS_CHACHAPOLY_ENCRYPT )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_update_aad( NULL, aad, aad_len )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, NULL, aad_len )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_update( NULL, input_len, input, output )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, NULL, output )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, NULL )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_finish( NULL, mac )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, NULL )
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== MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA );
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exit:
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mbedtls_chachapoly_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void chachapoly_state()
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{
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unsigned char key[32];
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unsigned char nonce[12];
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unsigned char aad[1];
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unsigned char input[1];
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unsigned char output[1];
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unsigned char mac[16];
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size_t input_len = sizeof( input );
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size_t aad_len = sizeof( aad );
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mbedtls_chachapoly_context ctx;
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memset( key, 0x00, sizeof( key ) );
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memset( nonce, 0x00, sizeof( nonce ) );
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memset( aad, 0x00, sizeof( aad ) );
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memset( input, 0x00, sizeof( input ) );
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memset( output, 0x00, sizeof( output ) );
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memset( mac, 0x00, sizeof( mac ) );
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/* Initial state: finish, update, update_aad forbidden */
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mbedtls_chachapoly_init( &ctx );
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TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac )
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== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
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TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output )
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== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
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TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len )
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== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
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/* Still initial state: finish, update, update_aad forbidden */
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TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key )
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== 0 );
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TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac )
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== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
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TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output )
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== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
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TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len )
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== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
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/* Starts -> finish OK */
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TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT )
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== 0 );
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TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac )
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== 0 );
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/* After finish: update, update_aad forbidden */
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TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output )
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== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
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TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len )
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== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
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/* Starts -> update* OK */
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TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT )
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== 0 );
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TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output )
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== 0 );
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TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, output )
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== 0 );
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/* After update: update_aad forbidden */
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TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len )
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||
|
|
== MBEDTLS_ERR_CHACHAPOLY_BAD_STATE );
|
||
|
|
|
||
|
|
/* Starts -> update_aad* -> finish OK */
|
||
|
|
TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT )
|
||
|
|
== 0 );
|
||
|
|
TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len )
|
||
|
|
== 0 );
|
||
|
|
TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, aad, aad_len )
|
||
|
|
== 0 );
|
||
|
|
TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, mac )
|
||
|
|
== 0 );
|
||
|
|
|
||
|
|
exit:
|
||
|
|
mbedtls_chachapoly_free( &ctx );
|
||
|
|
}
|
||
|
|
/* END_CASE */
|
||
|
|
|
||
|
|
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
|
||
|
|
void chachapoly_selftest()
|
||
|
|
{
|
||
|
|
TEST_ASSERT( mbedtls_chachapoly_self_test( 1 ) == 0 );
|
||
|
|
}
|
||
|
|
/* END_CASE */
|