|  | /* BEGIN_HEADER */ | 
|  | #include "mbedtls/xtea.h" | 
|  | /* END_HEADER */ | 
|  |  | 
|  | /* BEGIN_DEPENDENCIES | 
|  | * depends_on:MBEDTLS_XTEA_C | 
|  | * END_DEPENDENCIES | 
|  | */ | 
|  |  | 
|  | /* BEGIN_CASE */ | 
|  | void xtea_encrypt_ecb( char *hex_key_string, char *hex_src_string, | 
|  | char *hex_dst_string ) | 
|  | { | 
|  | unsigned char key_str[100]; | 
|  | unsigned char src_str[100]; | 
|  | unsigned char dst_str[100]; | 
|  | unsigned char output[100]; | 
|  | mbedtls_xtea_context ctx; | 
|  |  | 
|  | memset(key_str, 0x00, 100); | 
|  | memset(src_str, 0x00, 100); | 
|  | memset(dst_str, 0x00, 100); | 
|  | memset(output, 0x00, 100); | 
|  |  | 
|  | unhexify( key_str, hex_key_string ); | 
|  | unhexify( src_str, hex_src_string ); | 
|  |  | 
|  | mbedtls_xtea_setup( &ctx, key_str ); | 
|  | TEST_ASSERT( mbedtls_xtea_crypt_ecb( &ctx, MBEDTLS_XTEA_ENCRYPT, src_str, output ) == 0 ); | 
|  | hexify( dst_str, output, 8 ); | 
|  |  | 
|  | TEST_ASSERT( strcmp( (char *) dst_str, hex_dst_string ) == 0 ); | 
|  | } | 
|  | /* END_CASE */ | 
|  |  | 
|  | /* BEGIN_CASE */ | 
|  | void xtea_decrypt_ecb( char *hex_key_string, char *hex_src_string, | 
|  | char *hex_dst_string ) | 
|  | { | 
|  | unsigned char key_str[100]; | 
|  | unsigned char src_str[100]; | 
|  | unsigned char dst_str[100]; | 
|  | unsigned char output[100]; | 
|  | mbedtls_xtea_context ctx; | 
|  |  | 
|  | memset(key_str, 0x00, 100); | 
|  | memset(src_str, 0x00, 100); | 
|  | memset(dst_str, 0x00, 100); | 
|  | memset(output, 0x00, 100); | 
|  |  | 
|  | unhexify( key_str, hex_key_string ); | 
|  | unhexify( src_str, hex_src_string ); | 
|  |  | 
|  | mbedtls_xtea_setup( &ctx, key_str ); | 
|  | TEST_ASSERT( mbedtls_xtea_crypt_ecb( &ctx, MBEDTLS_XTEA_DECRYPT, src_str, output ) == 0 ); | 
|  | hexify( dst_str, output, 8 ); | 
|  |  | 
|  | TEST_ASSERT( strcmp( (char *) dst_str, hex_dst_string ) == 0 ); | 
|  | } | 
|  | /* END_CASE */ | 
|  |  | 
|  | /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */ | 
|  | void xtea_encrypt_cbc( char *hex_key_string, char *hex_iv_string, | 
|  | char *hex_src_string, char *hex_dst_string ) | 
|  | { | 
|  | unsigned char key_str[100]; | 
|  | unsigned char src_str[100]; | 
|  | unsigned char dst_str[100]; | 
|  | unsigned char iv_str[100]; | 
|  | unsigned char output[100]; | 
|  | size_t len; | 
|  | mbedtls_xtea_context ctx; | 
|  |  | 
|  | memset(key_str, 0x00, 100); | 
|  | memset(src_str, 0x00, 100); | 
|  | memset(dst_str, 0x00, 100); | 
|  | memset(iv_str, 0x00, 100); | 
|  | memset(output, 0x00, 100); | 
|  |  | 
|  | unhexify( key_str, hex_key_string ); | 
|  | unhexify( iv_str, hex_iv_string ); | 
|  | len = unhexify( src_str, hex_src_string ); | 
|  |  | 
|  | mbedtls_xtea_setup( &ctx, key_str ); | 
|  | TEST_ASSERT( mbedtls_xtea_crypt_cbc( &ctx, MBEDTLS_XTEA_ENCRYPT, len, iv_str, | 
|  | src_str, output ) == 0 ); | 
|  | hexify( dst_str, output, len ); | 
|  |  | 
|  | TEST_ASSERT( strcmp( (char *) dst_str, hex_dst_string ) == 0 ); | 
|  | } | 
|  | /* END_CASE */ | 
|  |  | 
|  | /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */ | 
|  | void xtea_decrypt_cbc( char *hex_key_string, char *hex_iv_string, | 
|  | char *hex_src_string, char *hex_dst_string ) | 
|  | { | 
|  | unsigned char key_str[100]; | 
|  | unsigned char src_str[100]; | 
|  | unsigned char dst_str[100]; | 
|  | unsigned char iv_str[100]; | 
|  | unsigned char output[100]; | 
|  | size_t len; | 
|  | mbedtls_xtea_context ctx; | 
|  |  | 
|  | memset(key_str, 0x00, 100); | 
|  | memset(src_str, 0x00, 100); | 
|  | memset(dst_str, 0x00, 100); | 
|  | memset(iv_str, 0x00, 100); | 
|  | memset(output, 0x00, 100); | 
|  |  | 
|  | unhexify( key_str, hex_key_string ); | 
|  | unhexify( iv_str, hex_iv_string ); | 
|  | len = unhexify( src_str, hex_src_string ); | 
|  |  | 
|  | mbedtls_xtea_setup( &ctx, key_str ); | 
|  | TEST_ASSERT( mbedtls_xtea_crypt_cbc( &ctx, MBEDTLS_XTEA_DECRYPT, len, iv_str, | 
|  | src_str, output ) == 0 ); | 
|  | hexify( dst_str, output, len ); | 
|  |  | 
|  | TEST_ASSERT( strcmp( (char *) dst_str, hex_dst_string ) == 0 ); | 
|  | } | 
|  | /* END_CASE */ | 
|  |  | 
|  | /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */ | 
|  | void xtea_selftest() | 
|  | { | 
|  | TEST_ASSERT( mbedtls_xtea_self_test( 1 ) == 0 ); | 
|  | } | 
|  | /* END_CASE */ |