Diff: tests/suites/test_suite_rsa.function

Revision:

0:cdf462088d13

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/suites/test_suite_rsa.function	Thu Jan 05 00:18:44 2017 +0000
@@ -0,0 +1,696 @@
+/* BEGIN_HEADER */
+#include "mbedtls/rsa.h"
+#include "mbedtls/md2.h"
+#include "mbedtls/md4.h"
+#include "mbedtls/md5.h"
+#include "mbedtls/sha1.h"
+#include "mbedtls/sha256.h"
+#include "mbedtls/sha512.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+/* END_HEADER */
+
+/* BEGIN_DEPENDENCIES
+ * depends_on:MBEDTLS_RSA_C:MBEDTLS_BIGNUM_C:MBEDTLS_GENPRIME
+ * END_DEPENDENCIES
+ */
+
+/* BEGIN_CASE */
+void mbedtls_rsa_pkcs1_sign( char *message_hex_string, int padding_mode, int digest,
+                     int mod, int radix_P, char *input_P, int radix_Q,
+                     char *input_Q, int radix_N, char *input_N, int radix_E,
+                     char *input_E, char *result_hex_str, int result )
+{
+    unsigned char message_str[1000];
+    unsigned char hash_result[1000];
+    unsigned char output[1000];
+    unsigned char output_str[1000];
+    mbedtls_rsa_context ctx;
+    mbedtls_mpi P1, Q1, H, G;
+    int msg_len;
+    rnd_pseudo_info rnd_info;
+
+    mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 ); mbedtls_mpi_init( &H ); mbedtls_mpi_init( &G );
+    mbedtls_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 );
+    memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
+
+    ctx.len = mod / 8;
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_gcd( &G, &ctx.E, &H  ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
+
+    msg_len = unhexify( message_str, message_hex_string );
+
+    if( mbedtls_md_info_from_type( digest ) != NULL )
+        TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_pkcs1_sign( &ctx, &rnd_pseudo_rand, &rnd_info, MBEDTLS_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 );
+    }
+
+exit:
+    mbedtls_mpi_free( &P1 ); mbedtls_mpi_free( &Q1 ); mbedtls_mpi_free( &H ); mbedtls_mpi_free( &G );
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_rsa_pkcs1_verify( char *message_hex_string, int padding_mode, int digest,
+                       int mod, int radix_N, char *input_N, int radix_E,
+                       char *input_E, char *result_hex_str, int result )
+{
+    unsigned char message_str[1000];
+    unsigned char hash_result[1000];
+    unsigned char result_str[1000];
+    mbedtls_rsa_context ctx;
+    int msg_len;
+
+    mbedtls_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( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
+
+    msg_len = unhexify( message_str, message_hex_string );
+    unhexify( result_str, result_hex_str );
+
+    if( mbedtls_md_info_from_type( digest ) != NULL )
+        TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_pkcs1_verify( &ctx, NULL, NULL, MBEDTLS_RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
+
+exit:
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+
+/* BEGIN_CASE */
+void rsa_pkcs1_sign_raw( char *message_hex_string, char *hash_result_string,
+                         int padding_mode, int mod, int radix_P, char *input_P,
+                         int radix_Q, char *input_Q, int radix_N,
+                         char *input_N, int radix_E, char *input_E,
+                         char *result_hex_str )
+{
+    unsigned char message_str[1000];
+    unsigned char hash_result[1000];
+    unsigned char output[1000];
+    unsigned char output_str[1000];
+    mbedtls_rsa_context ctx;
+    mbedtls_mpi P1, Q1, H, G;
+    int hash_len;
+    rnd_pseudo_info rnd_info;
+
+    mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 ); mbedtls_mpi_init( &H ); mbedtls_mpi_init( &G );
+    mbedtls_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 );
+    memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
+
+    ctx.len = mod / 8;
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_gcd( &G, &ctx.E, &H  ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
+
+    unhexify( message_str, message_hex_string );
+    hash_len = unhexify( hash_result, hash_result_string );
+
+    TEST_ASSERT( mbedtls_rsa_pkcs1_sign( &ctx, &rnd_pseudo_rand, &rnd_info, MBEDTLS_RSA_PRIVATE, MBEDTLS_MD_NONE, hash_len, hash_result, output ) == 0 );
+
+    hexify( output_str, output, ctx.len );
+
+    TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
+
+    /* For PKCS#1 v1.5, there is an alternative way to generate signatures */
+    if( padding_mode == MBEDTLS_RSA_PKCS_V15 )
+    {
+        memset( output, 0x00, 1000 );
+        memset( output_str, 0x00, 1000 );
+
+        TEST_ASSERT( mbedtls_rsa_rsaes_pkcs1_v15_encrypt( &ctx,
+                    &rnd_pseudo_rand, &rnd_info, MBEDTLS_RSA_PRIVATE,
+                    hash_len, hash_result, output ) == 0 );
+
+        hexify( output_str, output, ctx.len );
+
+        TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
+    }
+
+exit:
+    mbedtls_mpi_free( &P1 ); mbedtls_mpi_free( &Q1 ); mbedtls_mpi_free( &H ); mbedtls_mpi_free( &G );
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void rsa_pkcs1_verify_raw( char *message_hex_string, char *hash_result_string,
+                           int padding_mode, int mod, int radix_N,
+                           char *input_N, int radix_E, char *input_E,
+                           char *result_hex_str, int correct )
+{
+    unsigned char message_str[1000];
+    unsigned char hash_result[1000];
+    unsigned char result_str[1000];
+    unsigned char output[1000];
+    mbedtls_rsa_context ctx;
+    size_t hash_len, olen;
+
+    mbedtls_rsa_init( &ctx, padding_mode, 0 );
+    memset( message_str, 0x00, 1000 );
+    memset( hash_result, 0x00, 1000 );
+    memset( result_str, 0x00, 1000 );
+    memset( output, 0x00, sizeof( output ) );
+
+    ctx.len = mod / 8;
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
+
+    unhexify( message_str, message_hex_string );
+    hash_len = unhexify( hash_result, hash_result_string );
+    unhexify( result_str, result_hex_str );
+
+    TEST_ASSERT( mbedtls_rsa_pkcs1_verify( &ctx, NULL, NULL, MBEDTLS_RSA_PUBLIC, MBEDTLS_MD_NONE, hash_len, hash_result, result_str ) == correct );
+
+    /* For PKCS#1 v1.5, there is an alternative way to verify signatures */
+    if( padding_mode == MBEDTLS_RSA_PKCS_V15 )
+    {
+        int ok;
+
+        TEST_ASSERT( mbedtls_rsa_rsaes_pkcs1_v15_decrypt( &ctx,
+                    NULL, NULL, MBEDTLS_RSA_PUBLIC,
+                    &olen, result_str, output, sizeof( output ) ) == 0 );
+
+        ok = olen == hash_len && memcmp( output, hash_result, olen ) == 0;
+        if( correct == 0 )
+            TEST_ASSERT( ok == 1 );
+        else
+            TEST_ASSERT( ok == 0 );
+    }
+
+exit:
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_rsa_pkcs1_encrypt( char *message_hex_string, int padding_mode, int mod,
+                        int radix_N, char *input_N, int radix_E, char *input_E,
+                        char *result_hex_str, int result )
+{
+    unsigned char message_str[1000];
+    unsigned char output[1000];
+    unsigned char output_str[1000];
+    mbedtls_rsa_context ctx;
+    size_t msg_len;
+    rnd_pseudo_info rnd_info;
+
+    memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
+
+    mbedtls_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( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
+
+    msg_len = unhexify( message_str, message_hex_string );
+
+    TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx, &rnd_pseudo_rand, &rnd_info, MBEDTLS_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 );
+    }
+
+exit:
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void rsa_pkcs1_encrypt_bad_rng( char *message_hex_string, int padding_mode,
+                                int mod, int radix_N, char *input_N,
+                                int radix_E, char *input_E,
+                                char *result_hex_str, int result )
+{
+    unsigned char message_str[1000];
+    unsigned char output[1000];
+    unsigned char output_str[1000];
+    mbedtls_rsa_context ctx;
+    size_t msg_len;
+
+    mbedtls_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( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
+
+    msg_len = unhexify( message_str, message_hex_string );
+
+    TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx, &rnd_zero_rand, NULL, MBEDTLS_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 );
+    }
+
+exit:
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_rsa_pkcs1_decrypt( char *message_hex_string, int padding_mode, int mod,
+                        int radix_P, char *input_P, int radix_Q, char *input_Q,
+                        int radix_N, char *input_N, int radix_E, char *input_E,
+                        int max_output, char *result_hex_str, int result )
+{
+    unsigned char message_str[1000];
+    unsigned char output[1000];
+    unsigned char output_str[1000];
+    mbedtls_rsa_context ctx;
+    mbedtls_mpi P1, Q1, H, G;
+    size_t output_len;
+    rnd_pseudo_info rnd_info;
+
+    mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 ); mbedtls_mpi_init( &H ); mbedtls_mpi_init( &G );
+    mbedtls_rsa_init( &ctx, padding_mode, 0 );
+
+    memset( message_str, 0x00, 1000 );
+    memset( output, 0x00, 1000 );
+    memset( output_str, 0x00, 1000 );
+    memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
+
+    ctx.len = mod / 8;
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_gcd( &G, &ctx.E, &H  ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
+
+    unhexify( message_str, message_hex_string );
+    output_len = 0;
+
+    TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, rnd_pseudo_rand, &rnd_info, MBEDTLS_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 );
+    }
+
+exit:
+    mbedtls_mpi_free( &P1 ); mbedtls_mpi_free( &Q1 ); mbedtls_mpi_free( &H ); mbedtls_mpi_free( &G );
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_rsa_public( char *message_hex_string, int mod, int radix_N, char *input_N,
+                 int radix_E, char *input_E, char *result_hex_str, int result )
+{
+    unsigned char message_str[1000];
+    unsigned char output[1000];
+    unsigned char output_str[1000];
+    mbedtls_rsa_context ctx, ctx2; /* Also test mbedtls_rsa_copy() while at it */
+
+    mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, 0 );
+    mbedtls_rsa_init( &ctx2, MBEDTLS_RSA_PKCS_V15, 0 );
+    memset( message_str, 0x00, 1000 );
+    memset( output, 0x00, 1000 );
+    memset( output_str, 0x00, 1000 );
+
+    ctx.len = mod / 8;
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
+
+    unhexify( message_str, message_hex_string );
+
+    TEST_ASSERT( mbedtls_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 );
+    }
+
+    /* And now with the copy */
+    TEST_ASSERT( mbedtls_rsa_copy( &ctx2, &ctx ) == 0 );
+    /* clear the original to be sure */
+    mbedtls_rsa_free( &ctx );
+
+    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx2 ) == 0 );
+
+    memset( output, 0x00, 1000 );
+    memset( output_str, 0x00, 1000 );
+    TEST_ASSERT( mbedtls_rsa_public( &ctx2, message_str, output ) == result );
+    if( result == 0 )
+    {
+        hexify( output_str, output, ctx2.len );
+
+        TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
+    }
+
+exit:
+    mbedtls_rsa_free( &ctx );
+    mbedtls_rsa_free( &ctx2 );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_rsa_private( char *message_hex_string, int mod, int radix_P, char *input_P,
+                  int radix_Q, char *input_Q, int radix_N, char *input_N,
+                  int radix_E, char *input_E, char *result_hex_str, int result )
+{
+    unsigned char message_str[1000];
+    unsigned char output[1000];
+    unsigned char output_str[1000];
+    mbedtls_rsa_context ctx, ctx2; /* Also test mbedtls_rsa_copy() while at it */
+    mbedtls_mpi P1, Q1, H, G;
+    rnd_pseudo_info rnd_info;
+    int i;
+
+    mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 ); mbedtls_mpi_init( &H ); mbedtls_mpi_init( &G );
+    mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, 0 );
+    mbedtls_rsa_init( &ctx2, MBEDTLS_RSA_PKCS_V15, 0 );
+
+    memset( message_str, 0x00, 1000 );
+    memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
+
+    ctx.len = mod / 8;
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+
+    TEST_ASSERT( mbedtls_mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_gcd( &G, &ctx.E, &H  ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.D , &ctx.E, &H  ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
+
+    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
+
+    unhexify( message_str, message_hex_string );
+
+    /* repeat three times to test updating of blinding values */
+    for( i = 0; i < 3; i++ )
+    {
+        memset( output, 0x00, 1000 );
+        memset( output_str, 0x00, 1000 );
+        TEST_ASSERT( mbedtls_rsa_private( &ctx, rnd_pseudo_rand, &rnd_info,
+                                  message_str, output ) == result );
+        if( result == 0 )
+        {
+            hexify( output_str, output, ctx.len );
+
+            TEST_ASSERT( strcasecmp( (char *) output_str,
+                                              result_hex_str ) == 0 );
+        }
+    }
+
+    /* And now one more time with the copy */
+    TEST_ASSERT( mbedtls_rsa_copy( &ctx2, &ctx ) == 0 );
+    /* clear the original to be sure */
+    mbedtls_rsa_free( &ctx );
+
+    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx2 ) == 0 );
+
+    memset( output, 0x00, 1000 );
+    memset( output_str, 0x00, 1000 );
+    TEST_ASSERT( mbedtls_rsa_private( &ctx2, rnd_pseudo_rand, &rnd_info,
+                              message_str, output ) == result );
+    if( result == 0 )
+    {
+        hexify( output_str, output, ctx2.len );
+
+        TEST_ASSERT( strcasecmp( (char *) output_str,
+                                          result_hex_str ) == 0 );
+    }
+
+exit:
+    mbedtls_mpi_free( &P1 ); mbedtls_mpi_free( &Q1 ); mbedtls_mpi_free( &H ); mbedtls_mpi_free( &G );
+    mbedtls_rsa_free( &ctx ); mbedtls_rsa_free( &ctx2 );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void rsa_check_privkey_null()
+{
+    mbedtls_rsa_context ctx;
+    memset( &ctx, 0x00, sizeof( mbedtls_rsa_context ) );
+
+    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_rsa_check_pubkey( int radix_N, char *input_N, int radix_E, char *input_E,
+                       int result )
+{
+    mbedtls_rsa_context ctx;
+
+    mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, 0 );
+
+    if( strlen( input_N ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    }
+    if( strlen( input_E ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+    }
+
+    TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == result );
+
+exit:
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_rsa_check_privkey( int mod, int radix_P, char *input_P, int radix_Q,
+                        char *input_Q, int radix_N, char *input_N,
+                        int radix_E, char *input_E, int radix_D, char *input_D,
+                        int radix_DP, char *input_DP, int radix_DQ,
+                        char *input_DQ, int radix_QP, char *input_QP,
+                        int result )
+{
+    mbedtls_rsa_context ctx;
+
+    mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, 0 );
+
+    ctx.len = mod / 8;
+    if( strlen( input_P ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
+    }
+    if( strlen( input_Q ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
+    }
+    if( strlen( input_N ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
+    }
+    if( strlen( input_E ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
+    }
+    if( strlen( input_D ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.D, radix_D, input_D ) == 0 );
+    }
+    if( strlen( input_DP ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.DP, radix_DP, input_DP ) == 0 );
+    }
+    if( strlen( input_DQ ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.DQ, radix_DQ, input_DQ ) == 0 );
+    }
+    if( strlen( input_QP ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &ctx.QP, radix_QP, input_QP ) == 0 );
+    }
+
+    TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == result );
+
+exit:
+    mbedtls_rsa_free( &ctx );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void rsa_check_pubpriv( int mod, int radix_Npub, char *input_Npub,
+                        int radix_Epub, char *input_Epub,
+                        int radix_P, char *input_P, int radix_Q,
+                        char *input_Q, int radix_N, char *input_N,
+                        int radix_E, char *input_E, int radix_D, char *input_D,
+                        int radix_DP, char *input_DP, int radix_DQ,
+                        char *input_DQ, int radix_QP, char *input_QP,
+                        int result )
+{
+    mbedtls_rsa_context pub, prv;
+
+    mbedtls_rsa_init( &pub, MBEDTLS_RSA_PKCS_V15, 0 );
+    mbedtls_rsa_init( &prv, MBEDTLS_RSA_PKCS_V15, 0 );
+
+    pub.len = mod / 8;
+    prv.len = mod / 8;
+
+    if( strlen( input_Npub ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &pub.N, radix_Npub, input_Npub ) == 0 );
+    }
+    if( strlen( input_Epub ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &pub.E, radix_Epub, input_Epub ) == 0 );
+    }
+
+    if( strlen( input_P ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &prv.P, radix_P, input_P ) == 0 );
+    }
+    if( strlen( input_Q ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &prv.Q, radix_Q, input_Q ) == 0 );
+    }
+    if( strlen( input_N ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &prv.N, radix_N, input_N ) == 0 );
+    }
+    if( strlen( input_E ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &prv.E, radix_E, input_E ) == 0 );
+    }
+    if( strlen( input_D ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &prv.D, radix_D, input_D ) == 0 );
+    }
+    if( strlen( input_DP ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &prv.DP, radix_DP, input_DP ) == 0 );
+    }
+    if( strlen( input_DQ ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &prv.DQ, radix_DQ, input_DQ ) == 0 );
+    }
+    if( strlen( input_QP ) )
+    {
+        TEST_ASSERT( mbedtls_mpi_read_string( &prv.QP, radix_QP, input_QP ) == 0 );
+    }
+
+    TEST_ASSERT( mbedtls_rsa_check_pub_priv( &pub, &prv ) == result );
+
+exit:
+    mbedtls_rsa_free( &pub );
+    mbedtls_rsa_free( &prv );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_CTR_DRBG_C:MBEDTLS_ENTROPY_C */
+void mbedtls_rsa_gen_key( int nrbits, int exponent, int result)
+{
+    mbedtls_rsa_context ctx;
+    mbedtls_entropy_context entropy;
+    mbedtls_ctr_drbg_context ctr_drbg;
+    const char *pers = "test_suite_rsa";
+
+    mbedtls_ctr_drbg_init( &ctr_drbg );
+
+    mbedtls_entropy_init( &entropy );
+    TEST_ASSERT( mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+                                (const unsigned char *) pers, strlen( pers ) ) == 0 );
+
+    mbedtls_rsa_init( &ctx, 0, 0 );
+
+    TEST_ASSERT( mbedtls_rsa_gen_key( &ctx, mbedtls_ctr_drbg_random, &ctr_drbg, nrbits, exponent ) == result );
+    if( result == 0 )
+    {
+        TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
+        TEST_ASSERT( mbedtls_mpi_cmp_mpi( &ctx.P, &ctx.Q ) > 0 );
+    }
+
+exit:
+    mbedtls_rsa_free( &ctx );
+    mbedtls_ctr_drbg_free( &ctr_drbg );
+    mbedtls_entropy_free( &entropy );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
+void rsa_selftest()
+{
+    TEST_ASSERT( mbedtls_rsa_self_test( 1 ) == 0 );
+}
+/* END_CASE */