thirdparty,net.mbedtls: update mbedtls to latest compatible version v3.3.0 (#21118)

thirdparty/mbedtls/library/bignum_mod_raw.c

@@ -0,0 +1,199 @@
+/*
+ *  Low-level modular bignum functions
+ *
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include "common.h"
+
+#if defined(MBEDTLS_BIGNUM_C)
+
+#include <string.h>
+
+#include "mbedtls/error.h"
+#include "mbedtls/platform_util.h"
+
+#include "mbedtls/platform.h"
+
+#include "bignum_core.h"
+#include "bignum_mod_raw.h"
+#include "bignum_mod.h"
+#include "constant_time_internal.h"
+
+void mbedtls_mpi_mod_raw_cond_assign( mbedtls_mpi_uint *X,
+                                      const mbedtls_mpi_uint *A,
+                                      const mbedtls_mpi_mod_modulus *N,
+                                      unsigned char assign )
+{
+    mbedtls_mpi_core_cond_assign( X, A, N->limbs, assign );
+}
+
+void mbedtls_mpi_mod_raw_cond_swap( mbedtls_mpi_uint *X,
+                                    mbedtls_mpi_uint *Y,
+                                    const mbedtls_mpi_mod_modulus *N,
+                                    unsigned char swap )
+{
+    mbedtls_mpi_core_cond_swap( X, Y, N->limbs, swap );
+}
+
+int mbedtls_mpi_mod_raw_read( mbedtls_mpi_uint *X,
+                              const mbedtls_mpi_mod_modulus *m,
+                              const unsigned char *input,
+                              size_t input_length,
+                              mbedtls_mpi_mod_ext_rep ext_rep )
+{
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+
+    switch( ext_rep )
+    {
+        case MBEDTLS_MPI_MOD_EXT_REP_LE:
+            ret = mbedtls_mpi_core_read_le( X, m->limbs,
+                                            input, input_length );
+            break;
+        case MBEDTLS_MPI_MOD_EXT_REP_BE:
+            ret = mbedtls_mpi_core_read_be( X, m->limbs,
+                                            input, input_length );
+            break;
+        default:
+            return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
+    }
+
+    if( ret != 0 )
+        goto cleanup;
+
+    if( !mbedtls_mpi_core_lt_ct( X, m->p, m->limbs ) )
+    {
+        ret = MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
+        goto cleanup;
+    }
+
+cleanup:
+
+    return( ret );
+}
+
+int mbedtls_mpi_mod_raw_write( const mbedtls_mpi_uint *A,
+                               const mbedtls_mpi_mod_modulus *m,
+                               unsigned char *output,
+                               size_t output_length,
+                               mbedtls_mpi_mod_ext_rep ext_rep )
+{
+    switch( ext_rep )
+    {
+        case MBEDTLS_MPI_MOD_EXT_REP_LE:
+            return( mbedtls_mpi_core_write_le( A, m->limbs,
+                                               output, output_length ) );
+        case MBEDTLS_MPI_MOD_EXT_REP_BE:
+            return( mbedtls_mpi_core_write_be( A, m->limbs,
+                                               output, output_length ) );
+        default:
+            return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
+    }
+}
+
+/* BEGIN MERGE SLOT 1 */
+
+/* END MERGE SLOT 1 */
+
+/* BEGIN MERGE SLOT 2 */
+
+void mbedtls_mpi_mod_raw_sub( mbedtls_mpi_uint *X,
+                              const mbedtls_mpi_uint *A,
+                              const mbedtls_mpi_uint *B,
+                              const mbedtls_mpi_mod_modulus *N )
+{
+    mbedtls_mpi_uint c = mbedtls_mpi_core_sub( X, A, B, N->limbs );
+
+    (void) mbedtls_mpi_core_add_if( X, N->p, N->limbs, (unsigned) c );
+}
+
+/* END MERGE SLOT 2 */
+
+/* BEGIN MERGE SLOT 3 */
+
+/* END MERGE SLOT 3 */
+
+/* BEGIN MERGE SLOT 4 */
+
+/* END MERGE SLOT 4 */
+
+/* BEGIN MERGE SLOT 5 */
+void mbedtls_mpi_mod_raw_add( mbedtls_mpi_uint *X,
+                              const mbedtls_mpi_uint *A,
+                              const mbedtls_mpi_uint *B,
+                              const mbedtls_mpi_mod_modulus *N )
+{
+    mbedtls_mpi_uint carry, borrow;
+    carry  = mbedtls_mpi_core_add( X, A, B, N->limbs );
+    borrow = mbedtls_mpi_core_sub( X, X, N->p, N->limbs );
+    (void) mbedtls_mpi_core_add_if( X, N->p, N->limbs, (unsigned) ( carry ^ borrow ) );
+}
+/* END MERGE SLOT 5 */
+
+/* BEGIN MERGE SLOT 6 */
+
+/* END MERGE SLOT 6 */
+
+/* BEGIN MERGE SLOT 7 */
+int mbedtls_mpi_mod_raw_to_mont_rep( mbedtls_mpi_uint *X,
+                                     const mbedtls_mpi_mod_modulus *m )
+{
+    mbedtls_mpi_uint *T;
+    const size_t t_limbs = m->limbs * 2 + 1;
+
+    if( ( T = (mbedtls_mpi_uint *) mbedtls_calloc( t_limbs, ciL ) ) == NULL )
+        return( MBEDTLS_ERR_MPI_ALLOC_FAILED );
+
+    mbedtls_mpi_core_montmul( X, X, m->rep.mont.rr, m->limbs, m->p, m->limbs,
+                              m->rep.mont.mm, T );
+
+    mbedtls_platform_zeroize( T, t_limbs * ciL );
+    mbedtls_free( T );
+    return( 0 );
+}
+
+int mbedtls_mpi_mod_raw_from_mont_rep( mbedtls_mpi_uint *X,
+                                       const mbedtls_mpi_mod_modulus *m )
+{
+    const mbedtls_mpi_uint one = 1;
+    const size_t t_limbs = m->limbs * 2 + 1;
+    mbedtls_mpi_uint *T;
+
+    if( ( T = (mbedtls_mpi_uint *) mbedtls_calloc( t_limbs, ciL ) ) == NULL )
+        return( MBEDTLS_ERR_MPI_ALLOC_FAILED );
+
+    mbedtls_mpi_core_montmul( X, X, &one, 1, m->p, m->limbs,
+                              m->rep.mont.mm, T );
+
+    mbedtls_platform_zeroize( T, t_limbs * ciL );
+    mbedtls_free( T );
+    return( 0 );
+}
+/* END MERGE SLOT 7 */
+
+/* BEGIN MERGE SLOT 8 */
+
+/* END MERGE SLOT 8 */
+
+/* BEGIN MERGE SLOT 9 */
+
+/* END MERGE SLOT 9 */
+
+/* BEGIN MERGE SLOT 10 */
+
+/* END MERGE SLOT 10 */
+
+#endif /* MBEDTLS_BIGNUM_C */