diff options
Diffstat (limited to 'thirdparty/mbedtls/library/ecdsa.c')
-rw-r--r-- | thirdparty/mbedtls/library/ecdsa.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/thirdparty/mbedtls/library/ecdsa.c b/thirdparty/mbedtls/library/ecdsa.c index 3cf3d7cc4f..2456238b17 100644 --- a/thirdparty/mbedtls/library/ecdsa.c +++ b/thirdparty/mbedtls/library/ecdsa.c @@ -1,8 +1,14 @@ /* * Elliptic curve DSA * - * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved - * SPDX-License-Identifier: Apache-2.0 + * Copyright The Mbed TLS Contributors + * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later + * + * This file is provided under the Apache License 2.0, or the + * GNU General Public License v2.0 or later. + * + * ********** + * Apache License 2.0: * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. @@ -16,7 +22,26 @@ * See the License for the specific language governing permissions and * limitations under the License. * - * This file is part of mbed TLS (https://tls.mbed.org) + * ********** + * + * ********** + * GNU General Public License v2.0 or later: + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * ********** */ /* @@ -222,6 +247,9 @@ static void ecdsa_restart_det_free( mbedtls_ecdsa_restart_det_ctx *ctx ) #endif /* MBEDTLS_ECP_RESTARTABLE */ +#if defined(MBEDTLS_ECDSA_DETERMINISTIC) || \ + !defined(MBEDTLS_ECDSA_SIGN_ALT) || \ + !defined(MBEDTLS_ECDSA_VERIFY_ALT) /* * Derive a suitable integer for group grp from a buffer of length len * SEC1 4.1.3 step 5 aka SEC1 4.1.4 step 3 @@ -244,6 +272,7 @@ static int derive_mpi( const mbedtls_ecp_group *grp, mbedtls_mpi *x, cleanup: return( ret ); } +#endif /* ECDSA_DETERMINISTIC || !ECDSA_SIGN_ALT || !ECDSA_VERIFY_ALT */ #if !defined(MBEDTLS_ECDSA_SIGN_ALT) /* @@ -297,7 +326,7 @@ static int ecdsa_sign_restartable( mbedtls_ecp_group *grp, *p_sign_tries = 0; do { - if( *p_sign_tries++ > 10 ) + if( (*p_sign_tries)++ > 10 ) { ret = MBEDTLS_ERR_ECP_RANDOM_FAILED; goto cleanup; @@ -310,7 +339,7 @@ static int ecdsa_sign_restartable( mbedtls_ecp_group *grp, *p_key_tries = 0; do { - if( *p_key_tries++ > 10 ) + if( (*p_key_tries)++ > 10 ) { ret = MBEDTLS_ERR_ECP_RANDOM_FAILED; goto cleanup; @@ -755,6 +784,8 @@ int mbedtls_ecdsa_write_signature_restartable( mbedtls_ecdsa_context *ctx, (void) md_alg; #if defined(MBEDTLS_ECDSA_SIGN_ALT) + (void) rs_ctx; + MBEDTLS_MPI_CHK( mbedtls_ecdsa_sign( &ctx->grp, &r, &s, &ctx->d, hash, hlen, f_rng, p_rng ) ); #else @@ -863,6 +894,8 @@ int mbedtls_ecdsa_read_signature_restartable( mbedtls_ecdsa_context *ctx, goto cleanup; } #if defined(MBEDTLS_ECDSA_VERIFY_ALT) + (void) rs_ctx; + if( ( ret = mbedtls_ecdsa_verify( &ctx->grp, hash, hlen, &ctx->Q, &r, &s ) ) != 0 ) goto cleanup; |