Revert "New function mbedtls_rsa_get_bitlen"

This reverts commit 1d26709dbd4a4f8ef9ea0ff58f2644a4bc3fc49c.
diff --git a/include/mbedtls/rsa.h b/include/mbedtls/rsa.h
index 31a8db7..6eea5af 100644
--- a/include/mbedtls/rsa.h
+++ b/include/mbedtls/rsa.h
@@ -404,16 +404,6 @@
 size_t mbedtls_rsa_get_len( const mbedtls_rsa_context *ctx );
 
 /**
- * \brief          This function retrieves the length of the RSA modulus in bits.
- *
- * \param ctx      The initialized RSA context.
- *
- * \return         The length of the RSA modulus in bits.
- *
- */
-size_t mbedtls_rsa_get_bitlen( const mbedtls_rsa_context *ctx );
-
-/**
  * \brief          This function generates an RSA keypair.
  *
  * \note           mbedtls_rsa_init() must be called before this function,
diff --git a/library/pk_wrap.c b/library/pk_wrap.c
index f9b4c65..2c7d2d7 100644
--- a/library/pk_wrap.c
+++ b/library/pk_wrap.c
@@ -66,7 +66,7 @@
 static size_t rsa_get_bitlen( const void *ctx )
 {
     const mbedtls_rsa_context * rsa = (const mbedtls_rsa_context *) ctx;
-    return( mbedtls_rsa_get_bitlen( rsa ) );
+    return( 8 * mbedtls_rsa_get_len( rsa ) );
 }
 
 static int rsa_verify_wrap( void *ctx, mbedtls_md_type_t md_alg,
diff --git a/library/rsa.c b/library/rsa.c
index 499d145..56490f9 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -480,19 +480,12 @@
 /*
  * Get length in bytes of RSA modulus
  */
+
 size_t mbedtls_rsa_get_len( const mbedtls_rsa_context *ctx )
 {
     return( ctx->len );
 }
 
-/*
- * Get length in bits of RSA modulus
- */
-size_t mbedtls_rsa_get_bitlen( const mbedtls_rsa_context *ctx )
-{
-    return( mbedtls_mpi_bitlen( &ctx->N ) );
-}
-
 
 #if defined(MBEDTLS_GENPRIME)
 
diff --git a/tests/suites/test_suite_pk.data b/tests/suites/test_suite_pk.data
index 77e3bd8..a066bd9 100644
--- a/tests/suites/test_suite_pk.data
+++ b/tests/suites/test_suite_pk.data
@@ -1,16 +1,7 @@
-PK utils: RSA, 512 bits
+PK utils: RSA
 depends_on:MBEDTLS_RSA_C:MBEDTLS_GENPRIME
 pk_utils:MBEDTLS_PK_RSA:512:64:"RSA"
 
-## RSA key generation only supports even bit sizes
-#PK utils: RSA, 511 bits
-#depends_on:MBEDTLS_RSA_C:MBEDTLS_GENPRIME
-#pk_utils:MBEDTLS_PK_RSA:511:64:"RSA"
-#
-PK utils: RSA, 510 bits
-depends_on:MBEDTLS_RSA_C:MBEDTLS_GENPRIME
-pk_utils:MBEDTLS_PK_RSA:510:64:"RSA"
-
 PK utils: ECKEY
 depends_on:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP192R1_ENABLED
 pk_utils:MBEDTLS_PK_ECKEY:192:24:"EC"
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index a1d9b0b..9005ddb 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -13,18 +13,13 @@
 #define RSA_KEY_SIZE 512
 #define RSA_KEY_LEN   64
 
-static int pk_genkey( mbedtls_pk_context *pk, int size )
+static int pk_genkey( mbedtls_pk_context *pk )
 {
     ((void) pk);
 
 #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME)
     if( mbedtls_pk_get_type( pk ) == MBEDTLS_PK_RSA )
-    {
-        if( size == 0 )
-            size = RSA_KEY_SIZE;
-        return( mbedtls_rsa_gen_key( mbedtls_pk_rsa( *pk ),
-                                     rnd_std_rand, NULL, size, 3 ) );
-    }
+        return mbedtls_rsa_gen_key( mbedtls_pk_rsa( *pk ), rnd_std_rand, NULL, RSA_KEY_SIZE, 3 );
 #endif
 #if defined(MBEDTLS_ECP_C)
     if( mbedtls_pk_get_type( pk ) == MBEDTLS_PK_ECKEY ||
@@ -32,30 +27,8 @@
         mbedtls_pk_get_type( pk ) == MBEDTLS_PK_ECDSA )
     {
         int ret;
-        mbedtls_ecp_group_id curve;
-        switch( size )
-        {
-            case 0:
-            case 192:
-                curve = MBEDTLS_ECP_DP_SECP192R1;
-                break;
-            case 224:
-                curve = MBEDTLS_ECP_DP_SECP224R1;
-                break;
-            case 256:
-                curve = MBEDTLS_ECP_DP_SECP256R1;
-                break;
-            case 384:
-                curve = MBEDTLS_ECP_DP_SECP384R1;
-                break;
-            case 521:
-                curve = MBEDTLS_ECP_DP_SECP521R1;
-                break;
-            default:
-                return( -1 );
-        }
         if( ( ret = mbedtls_ecp_group_load( &mbedtls_pk_ec( *pk )->grp,
-                                            curve ) ) != 0 )
+                                      MBEDTLS_ECP_DP_SECP192R1 ) ) != 0 )
             return( ret );
 
         return mbedtls_ecp_gen_keypair( &mbedtls_pk_ec( *pk )->grp, &mbedtls_pk_ec( *pk )->d,
@@ -104,7 +77,7 @@
     mbedtls_pk_init( &pk );
 
     TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( type ) ) == 0 );
-    TEST_ASSERT( pk_genkey( &pk, size ) == 0 );
+    TEST_ASSERT( pk_genkey( &pk ) == 0 );
 
     TEST_ASSERT( (int) mbedtls_pk_get_type( &pk ) == type );
     TEST_ASSERT( mbedtls_pk_can_do( &pk, type ) );
@@ -279,7 +252,7 @@
     memset( sig, 0, sizeof sig );
 
     TEST_ASSERT( mbedtls_pk_setup( &pk, mbedtls_pk_info_from_type( type ) ) == 0 );
-    TEST_ASSERT( pk_genkey( &pk, 0 ) == 0 );
+    TEST_ASSERT( pk_genkey( &pk ) == 0 );
 
     TEST_ASSERT( mbedtls_pk_sign( &pk, MBEDTLS_MD_SHA256, hash, sizeof hash,
                           sig, &sig_len, rnd_std_rand, NULL ) == sign_ret );
@@ -474,7 +447,7 @@
     /* Initiliaze PK RSA context with random key */
     TEST_ASSERT( mbedtls_pk_setup( &rsa,
                               mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == 0 );
-    TEST_ASSERT( pk_genkey( &rsa, RSA_KEY_SIZE ) == 0 );
+    TEST_ASSERT( pk_genkey( &rsa ) == 0 );
 
     /* Extract key to the raw rsa context */
     TEST_ASSERT( mbedtls_rsa_copy( &raw, mbedtls_pk_rsa( rsa ) ) == 0 );
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 46c8bf9..c43ef20 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -44,8 +44,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
@@ -87,8 +86,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 );
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
 
 
@@ -129,8 +127,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
@@ -195,8 +192,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
 
 
@@ -260,8 +256,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
 
 
@@ -299,8 +294,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
 
 
@@ -348,8 +342,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
 
@@ -388,8 +381,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
 
 
@@ -448,8 +440,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
 
     TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
-    TEST_ASSERT( mbedtls_rsa_get_bitlen( &ctx ) == (size_t) mod );
-    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod + 7 ) / 8 );
+    TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
     TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
     TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );