mbedtls/tests/suites/test_suite_des.function

/* BEGIN_HEADER */
#include "mbedtls/des.h"
/* END_HEADER */

/* BEGIN_DEPENDENCIES
 * depends_on:MBEDTLS_DES_C
 * END_DEPENDENCIES
 */

/* BEGIN_CASE */
void des_check_weak( uint8_t * key, uint32_t key_len, int ret )
{
    TEST_ASSERT( mbedtls_des_key_check_weak( key ) == ret );
}
/* END_CASE */

/* BEGIN_CASE */
void des_encrypt_ecb( uint8_t * key_str, uint32_t key_str_len,
                      uint8_t * src_str, uint32_t src_str_len,
                      uint8_t * hex_dst_string, uint32_t hex_dst_string_len )
{
    unsigned char output[100];
    mbedtls_des_context ctx;

    memset(output, 0x00, 100);
    mbedtls_des_init( &ctx );


    mbedtls_des_setkey_enc( &ctx, key_str );
    TEST_ASSERT( mbedtls_des_crypt_ecb( &ctx, src_str, output ) == 0 );

    TEST_ASSERT( hexcmp( output, hex_dst_string, 8, hex_dst_string_len ) == 0 );

exit:
    mbedtls_des_free( &ctx );
}
/* END_CASE */

/* BEGIN_CASE */
void des_decrypt_ecb( uint8_t * key_str, uint32_t key_str_len,
                      uint8_t * src_str, uint32_t src_str_len,
                      uint8_t * hex_dst_string, uint32_t hex_dst_string_len )
{
    unsigned char output[100];
    mbedtls_des_context ctx;

    memset(output, 0x00, 100);
    mbedtls_des_init( &ctx );


    mbedtls_des_setkey_dec( &ctx, key_str );
    TEST_ASSERT( mbedtls_des_crypt_ecb( &ctx, src_str, output ) == 0 );

    TEST_ASSERT( hexcmp( output, hex_dst_string, 8, hex_dst_string_len ) == 0 );

exit:
    mbedtls_des_free( &ctx );
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */
void des_encrypt_cbc( uint8_t * key_str, uint32_t key_str_len,
                      uint8_t * iv_str, uint32_t iv_str_len,
                      uint8_t * src_str, uint32_t src_len,
                      uint8_t * hex_dst_string, uint32_t hex_dst_string_len,
                      int cbc_result )
{
    unsigned char output[100];
    mbedtls_des_context ctx;

    memset(output, 0x00, 100);
    mbedtls_des_init( &ctx );


    mbedtls_des_setkey_enc( &ctx, key_str );
    TEST_ASSERT( mbedtls_des_crypt_cbc( &ctx, MBEDTLS_DES_ENCRYPT, src_len, iv_str, src_str, output ) == cbc_result );
    if( cbc_result == 0 )
    {

        TEST_ASSERT( hexcmp( output, hex_dst_string, src_len, hex_dst_string_len ) == 0 );
    }

exit:
    mbedtls_des_free( &ctx );
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */
void des_decrypt_cbc( uint8_t * key_str, uint32_t key_str_len,
                      uint8_t * iv_str, uint32_t iv_str_len,
                      uint8_t * src_str, uint32_t src_len,
                      uint8_t * hex_dst_string, uint32_t hex_dst_string_len,
                      int cbc_result )
{
    unsigned char output[100];
    mbedtls_des_context ctx;

    memset(output, 0x00, 100);
    mbedtls_des_init( &ctx );


    mbedtls_des_setkey_dec( &ctx, key_str );
    TEST_ASSERT( mbedtls_des_crypt_cbc( &ctx, MBEDTLS_DES_DECRYPT, src_len, iv_str, src_str, output ) == cbc_result );
    if( cbc_result == 0 )
    {

        TEST_ASSERT( hexcmp( output, hex_dst_string, src_len, hex_dst_string_len ) == 0 );
    }

exit:
    mbedtls_des_free( &ctx );
}
/* END_CASE */

/* BEGIN_CASE */
void des3_encrypt_ecb( int key_count, uint8_t * key_str, uint32_t key_str_len,
                       uint8_t * src_str, uint32_t src_str_len,
                       uint8_t * hex_dst_string, uint32_t hex_dst_string_len )
{
    unsigned char output[100];
    mbedtls_des3_context ctx;

    memset(output, 0x00, 100);
    mbedtls_des3_init( &ctx );


    if( key_count == 2 )
        mbedtls_des3_set2key_enc( &ctx, key_str );
    else if( key_count == 3 )
        mbedtls_des3_set3key_enc( &ctx, key_str );
    else
        TEST_ASSERT( 0 );

    TEST_ASSERT( mbedtls_des3_crypt_ecb( &ctx, src_str, output ) == 0 );

    TEST_ASSERT( hexcmp( output, hex_dst_string, 8, hex_dst_string_len ) == 0 );

exit:
    mbedtls_des3_free( &ctx );
}
/* END_CASE */

/* BEGIN_CASE */
void des3_decrypt_ecb( int key_count, uint8_t * key_str, uint32_t key_str_len,
                       uint8_t * src_str, uint32_t src_str_len,
                       uint8_t * hex_dst_string, uint32_t hex_dst_string_len )
{
    unsigned char output[100];
    mbedtls_des3_context ctx;

    memset(output, 0x00, 100);
    mbedtls_des3_init( &ctx );


    if( key_count == 2 )
        mbedtls_des3_set2key_dec( &ctx, key_str );
    else if( key_count == 3 )
        mbedtls_des3_set3key_dec( &ctx, key_str );
    else
        TEST_ASSERT( 0 );

    TEST_ASSERT( mbedtls_des3_crypt_ecb( &ctx, src_str, output ) == 0 );

    TEST_ASSERT( hexcmp( output, hex_dst_string, 8, hex_dst_string_len ) == 0 );

exit:
    mbedtls_des3_free( &ctx );
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */
void des3_encrypt_cbc( int key_count, uint8_t * key_str, uint32_t key_str_len,
                       uint8_t * iv_str, uint32_t iv_str_len,
                       uint8_t * src_str, uint32_t src_len,
                       uint8_t * hex_dst_string, uint32_t hex_dst_string_len,
                       int cbc_result )
{
    unsigned char output[100];
    mbedtls_des3_context ctx;

    memset(output, 0x00, 100);
    mbedtls_des3_init( &ctx );


    if( key_count == 2 )
        mbedtls_des3_set2key_enc( &ctx, key_str );
    else if( key_count == 3 )
        mbedtls_des3_set3key_enc( &ctx, key_str );
    else
        TEST_ASSERT( 0 );

    TEST_ASSERT( mbedtls_des3_crypt_cbc( &ctx, MBEDTLS_DES_ENCRYPT, src_len, iv_str, src_str, output ) == cbc_result );

    if( cbc_result == 0 )
    {

        TEST_ASSERT( hexcmp( output, hex_dst_string, src_len, hex_dst_string_len ) == 0 );
    }

exit:
    mbedtls_des3_free( &ctx );
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CBC */
void des3_decrypt_cbc( int key_count, uint8_t * key_str, uint32_t key_str_len,
                       uint8_t * iv_str, uint32_t iv_str_len,
                       uint8_t * src_str, uint32_t src_len,
                       uint8_t * hex_dst_string, uint32_t hex_dst_string_len,
                       int cbc_result )
{
    unsigned char output[100];
    mbedtls_des3_context ctx;

    memset(output, 0x00, 100);
    mbedtls_des3_init( &ctx );


    if( key_count == 2 )
        mbedtls_des3_set2key_dec( &ctx, key_str );
    else if( key_count == 3 )
        mbedtls_des3_set3key_dec( &ctx, key_str );
    else
        TEST_ASSERT( 0 );

    TEST_ASSERT( mbedtls_des3_crypt_cbc( &ctx, MBEDTLS_DES_DECRYPT, src_len, iv_str, src_str, output ) == cbc_result );

    if( cbc_result == 0 )
    {

        TEST_ASSERT( hexcmp( output, hex_dst_string, src_len, hex_dst_string_len ) == 0 );
    }

exit:
    mbedtls_des3_free( &ctx );
}
/* END_CASE */

/* BEGIN_CASE */
void des_key_parity_run(  )
{
    int i, j, cnt;
    unsigned char key[MBEDTLS_DES_KEY_SIZE];
    unsigned int parity;

    memset( key, 0, MBEDTLS_DES_KEY_SIZE );
    cnt = 0;

    // Iterate through all possible byte values
    //
    for( i = 0; i < 32; i++ )
    {
        for( j = 0; j < 8; j++ )
            key[j] = cnt++;

        // Set the key parity according to the table
        //
        mbedtls_des_key_set_parity( key );

        // Check the parity with a function
        //
        for( j = 0; j < 8; j++ )
        {
            parity = key[j] ^ ( key[j] >> 4 );
            parity = parity ^
                    ( parity >> 1 ) ^
                    ( parity >> 2 ) ^
                    ( parity >> 3 );
            parity &= 1;

            if( parity != 1 )
                TEST_ASSERT( 0 );
        }

        // Check the parity with the table
        //
        TEST_ASSERT( mbedtls_des_key_check_key_parity( key ) == 0 );
    }
}
/* END_CASE */

/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void des_selftest(  )
{
    TEST_ASSERT( mbedtls_des_self_test( 1 ) == 0 );
}
/* END_CASE */