tests/suites/test_suite_rsa.function

BEGIN_HEADER
#include <polarssl/config.h>
#include <polarssl/rsa.h>
#include <polarssl/md2.h>
#include <polarssl/md4.h>
#include <polarssl/md5.h>
#include <polarssl/sha1.h>
#include <polarssl/sha2.h>
#include <polarssl/sha4.h>
#include <polarssl/havege.h>

static int myrand( void *rng_state )
{
    if( rng_state != NULL )
        rng_state  = NULL;

    return( rand() );
}

static int badrand( void *rng_state )
{
    if( rng_state != NULL )
        rng_state  = NULL;

    return( 0 );
}
END_HEADER

BEGIN_CASE
rsa_pkcs1_sign:message_hex_string:padding_mode:digest:mod:radix_P:input_P:radix_Q:input_Q:radix_N:input_N:radix_E:input_E:result_hex_str:result
{
    unsigned char message_str[1000];
    unsigned char hash_result[1000];
    unsigned char output[1000];
    unsigned char output_str[1000];
    rsa_context ctx;
    mpi P1, Q1, H, G;
    int msg_len;

    mpi_init( &P1, &Q1, &H, &G, NULL );
    rsa_init( &ctx, {padding_mode}, 0 );

    memset( message_str, 0x00, 1000 );
    memset( hash_result, 0x00, 1000 );
    memset( output, 0x00, 1000 );
    memset( output_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.P, {radix_P}, {input_P} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.Q, {radix_Q}, {input_Q} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
    TEST_ASSERT( mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
    TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
    TEST_ASSERT( mpi_gcd( &G, &ctx.E, &H  ) == 0 );
    TEST_ASSERT( mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
    TEST_ASSERT( mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
    TEST_ASSERT( mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
    TEST_ASSERT( mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );

    TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );

    msg_len = unhexify( message_str, {message_hex_string} );

    switch( {digest} )
    {
#ifdef POLARSSL_MD2_C
    case SIG_RSA_MD2:
        md2( message_str, msg_len, hash_result );
        break;
#endif
#ifdef POLARSSL_MD4_C
    case SIG_RSA_MD4:
        md4( message_str, msg_len, hash_result );
        break;
#endif
#ifdef POLARSSL_MD5_C
    case SIG_RSA_MD5:
        md5( message_str, msg_len, hash_result );
        break;
#endif
#ifdef POLARSSL_SHA1_C
    case SIG_RSA_SHA1:
        sha1( message_str, msg_len, hash_result );
        break;
#endif
#ifdef POLARSSL_SHA2_C
    case SIG_RSA_SHA224:
        sha2( message_str, msg_len, hash_result, 1 );
        break;
    case SIG_RSA_SHA256:
        sha2( message_str, msg_len, hash_result, 0 );
        break;
#endif
#ifdef POLARSSL_SHA4_C
    case SIG_RSA_SHA384:
        sha4( message_str, msg_len, hash_result, 1 );
        break;
    case SIG_RSA_SHA512:
        sha4( message_str, msg_len, hash_result, 0 );
        break;
#endif
    }

    TEST_ASSERT( rsa_pkcs1_sign( &ctx, RSA_PRIVATE, {digest}, 0, hash_result, output ) == {result} );
    if( {result} == 0 )
    {
        hexify( output_str, output, ctx.len );

        TEST_ASSERT( strcasecmp( (char *) output_str, {result_hex_str} ) == 0 );
    }
}
END_CASE

BEGIN_CASE
rsa_pkcs1_verify:message_hex_string:padding_mode:digest:mod:radix_N:input_N:radix_E:input_E:result_hex_str:result
{
    unsigned char message_str[1000];
    unsigned char hash_result[1000];
    unsigned char result_str[1000];
    rsa_context ctx;
    int msg_len;

    rsa_init( &ctx, {padding_mode}, 0 );
    memset( message_str, 0x00, 1000 );
    memset( hash_result, 0x00, 1000 );
    memset( result_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );

    msg_len = unhexify( message_str, {message_hex_string} );
    unhexify( result_str, {result_hex_str} );

    switch( {digest} )
    {
#ifdef POLARSSL_MD2_C
    case SIG_RSA_MD2:
        md2( message_str, msg_len, hash_result );
        break;
#endif
#ifdef POLARSSL_MD4_C
    case SIG_RSA_MD4:
        md4( message_str, msg_len, hash_result );
        break;
#endif
#ifdef POLARSSL_MD5_C
    case SIG_RSA_MD5:
        md5( message_str, msg_len, hash_result );
        break;
#endif
#ifdef POLARSSL_SHA1_C
    case SIG_RSA_SHA1:
        sha1( message_str, msg_len, hash_result );
        break;
#endif
#ifdef POLARSSL_SHA2_C
    case SIG_RSA_SHA224:
        sha2( message_str, msg_len, hash_result, 1 );
        break;
    case SIG_RSA_SHA256:
        sha2( message_str, msg_len, hash_result, 0 );
        break;
#endif
#ifdef POLARSSL_SHA4_C
    case SIG_RSA_SHA384:
        sha4( message_str, msg_len, hash_result, 1 );
        break;
    case SIG_RSA_SHA512:
        sha4( message_str, msg_len, hash_result, 0 );
        break;
#endif
    }

    TEST_ASSERT( rsa_pkcs1_verify( &ctx, RSA_PUBLIC, {digest}, 0, hash_result, result_str ) == {result} );
}
END_CASE


BEGIN_CASE
rsa_pkcs1_sign_raw:message_hex_string:hash_result_string:padding_mode:mod:radix_P:input_P:radix_Q:input_Q:radix_N:input_N:radix_E:input_E:result_hex_str
{
    unsigned char message_str[1000];
    unsigned char hash_result[1000];
    unsigned char output[1000];
    unsigned char output_str[1000];
    rsa_context ctx;
    mpi P1, Q1, H, G;
    int msg_len, hash_len;

    mpi_init( &P1, &Q1, &H, &G, NULL );
    rsa_init( &ctx, {padding_mode}, 0 );

    memset( message_str, 0x00, 1000 );
    memset( hash_result, 0x00, 1000 );
    memset( output, 0x00, 1000 );
    memset( output_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.P, {radix_P}, {input_P} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.Q, {radix_Q}, {input_Q} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
    TEST_ASSERT( mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
    TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
    TEST_ASSERT( mpi_gcd( &G, &ctx.E, &H  ) == 0 );
    TEST_ASSERT( mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
    TEST_ASSERT( mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
    TEST_ASSERT( mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
    TEST_ASSERT( mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );

    TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );

    msg_len = unhexify( message_str, {message_hex_string} );
    hash_len = unhexify( hash_result, {hash_result_string} );

    TEST_ASSERT( rsa_pkcs1_sign( &ctx, RSA_PRIVATE, SIG_RSA_RAW, hash_len, hash_result, output ) == 0 );

    hexify( output_str, output, ctx.len );

    TEST_ASSERT( strcasecmp( (char *) output_str, {result_hex_str} ) == 0 );
}
END_CASE

BEGIN_CASE
rsa_pkcs1_verify_raw:message_hex_string:hash_result_string:padding_mode:mod:radix_N:input_N:radix_E:input_E:result_hex_str:correct
{
    unsigned char message_str[1000];
    unsigned char hash_result[1000];
    unsigned char result_str[1000];
    rsa_context ctx;
    int msg_len, hash_len;

    rsa_init( &ctx, {padding_mode}, 0 );
    memset( message_str, 0x00, 1000 );
    memset( hash_result, 0x00, 1000 );
    memset( result_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );

    msg_len = unhexify( message_str, {message_hex_string} );
    hash_len = unhexify( hash_result, {hash_result_string} );
    unhexify( result_str, {result_hex_str} );

    TEST_ASSERT( rsa_pkcs1_verify( &ctx, RSA_PUBLIC, SIG_RSA_RAW, hash_len, hash_result, result_str ) == {correct} );
}
END_CASE

BEGIN_CASE
rsa_pkcs1_encrypt:message_hex_string:padding_mode:mod:radix_N:input_N:radix_E:input_E:result_hex_str:result
{
    unsigned char message_str[1000];
    unsigned char output[1000];
    unsigned char output_str[1000];
    rsa_context ctx;
    int msg_len;

    rsa_init( &ctx, {padding_mode}, 0 );
    memset( message_str, 0x00, 1000 );
    memset( output, 0x00, 1000 );
    memset( output_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );

    msg_len = unhexify( message_str, {message_hex_string} );

    TEST_ASSERT( rsa_pkcs1_encrypt( &ctx, &myrand, NULL, RSA_PUBLIC, msg_len, message_str, output ) == {result} );
    if( {result} == 0 )
    {
        hexify( output_str, output, ctx.len );

        TEST_ASSERT( strcasecmp( (char *) output_str, {result_hex_str} ) == 0 );
    }
}
END_CASE

BEGIN_CASE
rsa_pkcs1_encrypt_bad_rng:message_hex_string:padding_mode:mod:radix_N:input_N:radix_E:input_E:result_hex_str:result
{
    unsigned char message_str[1000];
    unsigned char output[1000];
    unsigned char output_str[1000];
    rsa_context ctx;
    int msg_len;

    rsa_init( &ctx, {padding_mode}, 0 );
    memset( message_str, 0x00, 1000 );
    memset( output, 0x00, 1000 );
    memset( output_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );

    msg_len = unhexify( message_str, {message_hex_string} );

    TEST_ASSERT( rsa_pkcs1_encrypt( &ctx, &badrand, NULL, RSA_PUBLIC, msg_len, message_str, output ) == {result} );
    if( {result} == 0 )
    {
        hexify( output_str, output, ctx.len );

        TEST_ASSERT( strcasecmp( (char *) output_str, {result_hex_str} ) == 0 );
    }
}
END_CASE

BEGIN_CASE
rsa_pkcs1_decrypt:message_hex_string:padding_mode:mod:radix_P:input_P:radix_Q:input_Q:radix_N:input_N:radix_E:input_E:max_output:result_hex_str:result
{
    unsigned char message_str[1000];
    unsigned char output[1000];
    unsigned char output_str[1000];
    rsa_context ctx;
    mpi P1, Q1, H, G;
    int output_len;

    mpi_init( &P1, &Q1, &H, &G, NULL );
    rsa_init( &ctx, {padding_mode}, 0 );

    memset( message_str, 0x00, 1000 );
    memset( output, 0x00, 1000 );
    memset( output_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.P, {radix_P}, {input_P} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.Q, {radix_Q}, {input_Q} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
    TEST_ASSERT( mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
    TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
    TEST_ASSERT( mpi_gcd( &G, &ctx.E, &H  ) == 0 );
    TEST_ASSERT( mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
    TEST_ASSERT( mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
    TEST_ASSERT( mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
    TEST_ASSERT( mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );

    TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );

    unhexify( message_str, {message_hex_string} );
    output_len = 0;

    TEST_ASSERT( rsa_pkcs1_decrypt( &ctx, RSA_PRIVATE, &output_len, message_str, output, {max_output} ) == {result} );
    if( {result} == 0 )
    {
        hexify( output_str, output, ctx.len );

        TEST_ASSERT( strncasecmp( (char *) output_str, {result_hex_str}, strlen( {result_hex_str} ) ) == 0 );
    }
}
END_CASE

BEGIN_CASE
rsa_public:message_hex_string:mod:radix_N:input_N:radix_E:input_E:result_hex_str:result
{
    unsigned char message_str[1000];
    unsigned char output[1000];
    unsigned char output_str[1000];
    rsa_context ctx;

    rsa_init( &ctx, RSA_PKCS_V15, 0 );
    memset( message_str, 0x00, 1000 );
    memset( output, 0x00, 1000 );
    memset( output_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );

    unhexify( message_str, {message_hex_string} );

    TEST_ASSERT( rsa_public( &ctx, message_str, output ) == {result} );
    if( {result} == 0 )
    {
        hexify( output_str, output, ctx.len );

        TEST_ASSERT( strcasecmp( (char *) output_str, {result_hex_str} ) == 0 );
    }
}
END_CASE

BEGIN_CASE
rsa_private:message_hex_string:mod:radix_P:input_P:radix_Q:input_Q:radix_N:input_N:radix_E:input_E:result_hex_str:result
{
    unsigned char message_str[1000];
    unsigned char output[1000];
    unsigned char output_str[1000];
    rsa_context ctx;
    mpi P1, Q1, H, G;

    mpi_init( &P1, &Q1, &H, &G, NULL );
    rsa_init( &ctx, RSA_PKCS_V15, 0 );

    memset( message_str, 0x00, 1000 );
    memset( output, 0x00, 1000 );
    memset( output_str, 0x00, 1000 );

    ctx.len = {mod} / 8;
    TEST_ASSERT( mpi_read_string( &ctx.P, {radix_P}, {input_P} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.Q, {radix_Q}, {input_Q} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );

    TEST_ASSERT( mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
    TEST_ASSERT( mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
    TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
    TEST_ASSERT( mpi_gcd( &G, &ctx.E, &H  ) == 0 );
    TEST_ASSERT( mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
    TEST_ASSERT( mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
    TEST_ASSERT( mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
    TEST_ASSERT( mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );

    TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );

    unhexify( message_str, {message_hex_string} );

    TEST_ASSERT( rsa_private( &ctx, message_str, output ) == {result} );
    if( {result} == 0 )
    {
        hexify( output_str, output, ctx.len );

        TEST_ASSERT( strcasecmp( (char *) output_str, {result_hex_str} ) == 0 );
    }
}
END_CASE

BEGIN_CASE
rsa_check_privkey_null:
{
    rsa_context ctx;
    memset( &ctx, 0x00, sizeof( rsa_context ) );

    TEST_ASSERT( rsa_check_privkey( &ctx ) == POLARSSL_ERR_RSA_KEY_CHECK_FAILED );
}
END_CASE

BEGIN_CASE
rsa_check_pubkey:radix_N:input_N:radix_E:input_E:result
{
    rsa_context ctx;

    rsa_init( &ctx, RSA_PKCS_V15, 0 );

    if( strlen( {input_N} ) )
    {
        TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    }
    if( strlen( {input_E} ) )
    {
        TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );
    }

    TEST_ASSERT( rsa_check_pubkey( &ctx ) == {result} );
}
END_CASE

BEGIN_CASE
rsa_check_privkey:mod:radix_P:input_P:radix_Q:input_Q:radix_N:input_N:radix_E:input_E:radix_D:input_D:result
{
    rsa_context ctx;

    rsa_init( &ctx, RSA_PKCS_V15, 0 );

    ctx.len = {mod} / 8;
    if( strlen( {input_P} ) )
    {
        TEST_ASSERT( mpi_read_string( &ctx.P, {radix_P}, {input_P} ) == 0 );
    }
    if( strlen( {input_Q} ) )
    {
        TEST_ASSERT( mpi_read_string( &ctx.Q, {radix_Q}, {input_Q} ) == 0 );
    }
    if( strlen( {input_N} ) )
    {
        TEST_ASSERT( mpi_read_string( &ctx.N, {radix_N}, {input_N} ) == 0 );
    }
    if( strlen( {input_E} ) )
    {
        TEST_ASSERT( mpi_read_string( &ctx.E, {radix_E}, {input_E} ) == 0 );
    }
    if( strlen( {input_D} ) )
    {
        TEST_ASSERT( mpi_read_string( &ctx.D, {radix_D}, {input_D} ) == 0 );
    }

    TEST_ASSERT( rsa_check_privkey( &ctx ) == {result} );
}
END_CASE

BEGIN_CASE
rsa_gen_key:nrbits:exponent:result
{
    rsa_context ctx;
    havege_state hs;

    havege_init( &hs );
    rsa_init( &ctx, 0, 0 );

    TEST_ASSERT( rsa_gen_key( &ctx, havege_rand, &hs, {nrbits}, {exponent} ) == {result} );
    if( {result} == 0 )
    {
        TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );
    }
}
END_CASE

BEGIN_CASE
rsa_selftest:
{
    TEST_ASSERT( rsa_self_test( 0 ) == 0 );
}
END_CASE