diff --git a/library/pkparse.c b/library/pkparse.c
index 596dae9..2311986 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -769,16 +769,31 @@
         goto cleanup;
     p += len;
 
+    /* Import DP */
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+                                      MBEDTLS_ASN1_INTEGER ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_binary( &rsa->DP, p, len ) ) != 0 )
+        goto cleanup;
+    p += len;
+
+    /* Import DQ */
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+                                      MBEDTLS_ASN1_INTEGER ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_binary( &rsa->DQ, p, len ) ) != 0 )
+        goto cleanup;
+    p += len;
+
+    /* Import QP */
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+                                      MBEDTLS_ASN1_INTEGER ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_binary( &rsa->QP, p, len ) ) != 0 )
+        goto cleanup;
+    p += len;
+
     /* Complete the RSA private key */
     if( ( ret = mbedtls_rsa_complete( rsa ) ) != 0 )
         goto cleanup;
 
-    /* Check optional parameters */
-    if( ( ret = mbedtls_asn1_get_mpi( &p, end, &T ) ) != 0 ||
-        ( ret = mbedtls_asn1_get_mpi( &p, end, &T ) ) != 0 ||
-        ( ret = mbedtls_asn1_get_mpi( &p, end, &T ) ) != 0 )
-        goto cleanup;
-
     if( p != end )
     {
         ret = MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +