diff --git a/tests/suites/test_suite_rsa.data b/tests/suites/test_suite_rsa.data
index 737df0b..610bc78 100644
--- a/tests/suites/test_suite_rsa.data
+++ b/tests/suites/test_suite_rsa.data
@@ -379,6 +379,18 @@
 RSA Deduce Private, corrupted
 mbedtls_rsa_deduce_private:16:"e79a373182bfaa722eb035f772ad2a9464bd842de59432c18bbab3a7dfeae318c9b915ee487861ab665a40bd6cda560152578e8579016c929df99fea05b4d64efca1d543850bc8164b40d71ed7f3fa4105df0fb9b9ad2a18ce182c8a4f4f975bea9aa0b9a1438a27a28e97ac8330ef37383414d1bd64607d6979ac050424fd17":16:"c6749cbb0db8c5a177672d4728a8b22392b2fc4d3b8361d5c0d5055a1b4e46d821f757c24eef2a51c561941b93b3ace7340074c058c9bb48e7e7414f42c41da4cccb5c2ba91deb30c586b7fb18af12a52995592ad139d3be429add6547e044becedaf31fa3b39421e24ee034fbf367d11f6b8f88ee483d163b431e1654ad3e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
 
+RSA Deduce Moduli, toy example
+mbedtls_rsa_deduce_moduli:10:"15":10:"3":10:"3":10:"3":10:"5":0:0
+
+RSA Deduce Moduli, toy example, corrupted
+mbedtls_rsa_deduce_moduli:10:"15":10:"3":10:"3":10:"3":10:"5":1:MBEDTLS_ERR_MPI_BAD_INPUT_DATA
+
+RSA Deduce Moduli
+mbedtls_rsa_deduce_moduli:16:"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e79a373182bfaa722eb035f772ad2a9464bd842de59432c18bbab3a7dfeae318c9b915ee487861ab665a40bd6cda560152578e8579016c929df99fea05b4d64efca1d543850bc8164b40d71ed7f3fa4105df0fb9b9ad2a18ce182c8a4f4f975bea9aa0b9a1438a27a28e97ac8330ef37383414d1bd64607d6979ac050424fd17":16:"c6749cbb0db8c5a177672d4728a8b22392b2fc4d3b8361d5c0d5055a1b4e46d821f757c24eef2a51c561941b93b3ace7340074c058c9bb48e7e7414f42c41da4cccb5c2ba91deb30c586b7fb18af12a52995592ad139d3be429add6547e044becedaf31fa3b39421e24ee034fbf367d11f6b8f88ee483d163b431e1654ad3e89":0:0
+
+RSA Deduce Moduli, corrupted
+mbedtls_rsa_deduce_moduli:16:"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e79a373182bfaa722eb035f772ad2a9464bd842de59432c18bbab3a7dfeae318c9b915ee487861ab665a40bd6cda560152578e8579016c929df99fea05b4d64efca1d543850bc8164b40d71ed7f3fa4105df0fb9b9ad2a18ce182c8a4f4f975bea9aa0b9a1438a27a28e97ac8330ef37383414d1bd64607d6979ac050424fd17":16:"c6749cbb0db8c5a177672d4728a8b22392b2fc4d3b8361d5c0d5055a1b4e46d821f757c24eef2a51c561941b93b3ace7340074c058c9bb48e7e7414f42c41da4cccb5c2ba91deb30c586b7fb18af12a52995592ad139d3be429add6547e044becedaf31fa3b39421e24ee034fbf367d11f6b8f88ee483d163b431e1654ad3e89":1:MBEDTLS_ERR_MPI_BAD_INPUT_DATA
+
 RSA PKCS1 Encrypt Bad RNG
 depends_on:MBEDTLS_PKCS1_V15
 rsa_pkcs1_encrypt_bad_rng:"4E636AF98E40F3ADCFCCB698F4E80B9F":MBEDTLS_RSA_PKCS_V15:2048:16:"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":16:"3":"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":MBEDTLS_ERR_RSA_RNG_FAILED
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 3234649..dc7ec40 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -693,6 +693,62 @@
 }
 /* END_CASE */
 
+/* BEGIN_CASE depends_on:MBEDTLS_CTR_DRBG_C:MBEDTLS_ENTROPY_C */
+void mbedtls_rsa_deduce_moduli( int radix_N, char *input_N,
+                                int radix_D, char *input_D,
+                                int radix_E, char *input_E,
+                                int radix_P, char *output_P,
+                                int radix_Q, char *output_Q,
+                                int corrupt, int result )
+{
+    mbedtls_mpi N, P, Pp, Q, Qp, D, E;
+
+    mbedtls_entropy_context entropy;
+    mbedtls_ctr_drbg_context ctr_drbg;
+    const char *pers = "test_suite_rsa";
+
+    mbedtls_mpi_init( &N );
+    mbedtls_mpi_init( &P );  mbedtls_mpi_init( &Q  );
+    mbedtls_mpi_init( &Pp ); mbedtls_mpi_init( &Qp );
+    mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
+
+    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 );
+
+    TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &D, radix_D, input_D ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &Qp, radix_P, output_P ) == 0 );
+    TEST_ASSERT( mbedtls_mpi_read_string( &Pp, radix_Q, output_Q ) == 0 );
+
+    if( corrupt )
+        TEST_ASSERT( mbedtls_mpi_add_int( &D, &D, 2 ) == 0 );
+
+    /* Try to deduce P, Q from N, D, E only. */
+    TEST_ASSERT( mbedtls_rsa_deduce_moduli( &N, &D, &E, mbedtls_ctr_drbg_random,
+                                            &ctr_drbg, &P, &Q ) == result );
+
+    if( !corrupt )
+    {
+        /* Check if (P,Q) = (Pp, Qp) or (P,Q) = (Qp, Pp) */
+        TEST_ASSERT( ( mbedtls_mpi_cmp_mpi( &P, &Pp ) == 0 && mbedtls_mpi_cmp_mpi( &Q, &Qp ) == 0 ) ||
+                     ( mbedtls_mpi_cmp_mpi( &P, &Qp ) == 0 && mbedtls_mpi_cmp_mpi( &Q, &Pp ) == 0 ) );
+    }
+
+exit:
+
+    mbedtls_mpi_free( &N );
+    mbedtls_mpi_free( &P  ); mbedtls_mpi_free( &Q  );
+    mbedtls_mpi_free( &Pp ); mbedtls_mpi_free( &Qp );
+    mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E );
+
+    mbedtls_ctr_drbg_free( &ctr_drbg );
+    mbedtls_entropy_free( &entropy );
+}
+/* END_CASE */
+
 /* BEGIN_CASE */
 void mbedtls_rsa_deduce_private( int radix_P, char *input_P,
                                  int radix_Q, char *input_Q,