diff options
Diffstat (limited to 'thirdparty/mbedtls/library/x509write_csr.c')
| -rw-r--r-- | thirdparty/mbedtls/library/x509write_csr.c | 126 |
1 files changed, 41 insertions, 85 deletions
diff --git a/thirdparty/mbedtls/library/x509write_csr.c b/thirdparty/mbedtls/library/x509write_csr.c index 60cf12379f..afda950341 100644 --- a/thirdparty/mbedtls/library/x509write_csr.c +++ b/thirdparty/mbedtls/library/x509write_csr.c @@ -2,13 +2,7 @@ * X.509 Certificate Signing Request writing * * 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: + * 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. @@ -21,27 +15,6 @@ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. - * - * ********** - * - * ********** - * 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. - * - * ********** */ /* * References: @@ -49,19 +22,21 @@ * - attributes: PKCS#9 v2.0 aka RFC 2985 */ -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif +#include "common.h" #if defined(MBEDTLS_X509_CSR_WRITE_C) #include "mbedtls/x509_csr.h" -#include "mbedtls/oid.h" #include "mbedtls/asn1write.h" +#include "mbedtls/error.h" +#include "mbedtls/oid.h" #include "mbedtls/platform_util.h" +#if defined(MBEDTLS_USE_PSA_CRYPTO) +#include "psa/crypto.h" +#include "mbedtls/psa_util.h" +#endif + #include <string.h> #include <stdlib.h> @@ -69,16 +44,6 @@ #include "mbedtls/pem.h" #endif -/* - * For the currently used signature algorithms the buffer to store any signature - * must be at least of size MAX(MBEDTLS_ECDSA_MAX_LEN, MBEDTLS_MPI_MAX_SIZE) - */ -#if MBEDTLS_ECDSA_MAX_LEN > MBEDTLS_MPI_MAX_SIZE -#define SIGNATURE_MAX_SIZE MBEDTLS_ECDSA_MAX_LEN -#else -#define SIGNATURE_MAX_SIZE MBEDTLS_MPI_MAX_SIZE -#endif - #if defined(MBEDTLS_PLATFORM_C) #include "mbedtls/platform.h" #else @@ -124,35 +89,17 @@ int mbedtls_x509write_csr_set_extension( mbedtls_x509write_csr *ctx, 0, val, val_len ); } -static size_t csr_get_unused_bits_for_named_bitstring( unsigned char bitstring, - size_t bit_offset ) -{ - size_t unused_bits; - - /* Count the unused bits removing trailing 0s */ - for( unused_bits = bit_offset; unused_bits < 8; unused_bits++ ) - if( ( ( bitstring >> unused_bits ) & 0x1 ) != 0 ) - break; - - return( unused_bits ); -} - int mbedtls_x509write_csr_set_key_usage( mbedtls_x509write_csr *ctx, unsigned char key_usage ) { - unsigned char buf[4]; + unsigned char buf[4] = {0}; unsigned char *c; - size_t unused_bits; - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; c = buf + 4; - unused_bits = csr_get_unused_bits_for_named_bitstring( key_usage, 0 ); - ret = mbedtls_asn1_write_bitstring( &c, buf, &key_usage, 8 - unused_bits ); - - if( ret < 0 ) + ret = mbedtls_asn1_write_named_bitstring( &c, buf, &key_usage, 8 ); + if( ret < 3 || ret > 4 ) return( ret ); - else if( ret < 3 || ret > 4 ) - return( MBEDTLS_ERR_X509_INVALID_FORMAT ); ret = mbedtls_x509write_csr_set_extension( ctx, MBEDTLS_OID_KEY_USAGE, MBEDTLS_OID_SIZE( MBEDTLS_OID_KEY_USAGE ), @@ -166,22 +113,14 @@ int mbedtls_x509write_csr_set_key_usage( mbedtls_x509write_csr *ctx, unsigned ch int mbedtls_x509write_csr_set_ns_cert_type( mbedtls_x509write_csr *ctx, unsigned char ns_cert_type ) { - unsigned char buf[4]; + unsigned char buf[4] = {0}; unsigned char *c; - size_t unused_bits; - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; c = buf + 4; - unused_bits = csr_get_unused_bits_for_named_bitstring( ns_cert_type, 0 ); - ret = mbedtls_asn1_write_bitstring( &c, - buf, - &ns_cert_type, - 8 - unused_bits ); - - if( ret < 0 ) - return( ret ); - else if( ret < 3 || ret > 4 ) + ret = mbedtls_asn1_write_named_bitstring( &c, buf, &ns_cert_type, 8 ); + if( ret < 3 || ret > 4 ) return( ret ); ret = mbedtls_x509write_csr_set_extension( ctx, MBEDTLS_OID_NS_CERT_TYPE, @@ -200,7 +139,7 @@ static int x509write_csr_der_internal( mbedtls_x509write_csr *ctx, int (*f_rng)(void *, unsigned char *, size_t), void *p_rng ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; const char *sig_oid; size_t sig_oid_len = 0; unsigned char *c, *c2; @@ -208,6 +147,11 @@ static int x509write_csr_der_internal( mbedtls_x509write_csr *ctx, size_t pub_len = 0, sig_and_oid_len = 0, sig_len; size_t len = 0; mbedtls_pk_type_t pk_alg; +#if defined(MBEDTLS_USE_PSA_CRYPTO) + psa_hash_operation_t hash_operation = PSA_HASH_OPERATION_INIT; + size_t hash_len; + psa_algorithm_t hash_alg = mbedtls_psa_translate_md( ctx->md_alg ); +#endif /* MBEDTLS_USE_PSA_CRYPTO */ /* Write the CSR backwards starting from the end of buf */ c = buf + size; @@ -273,10 +217,23 @@ static int x509write_csr_der_internal( mbedtls_x509write_csr *ctx, * Sign the written CSR data into the sig buffer * Note: hash errors can happen only after an internal error */ +#if defined(MBEDTLS_USE_PSA_CRYPTO) + if( psa_hash_setup( &hash_operation, hash_alg ) != PSA_SUCCESS ) + return( MBEDTLS_ERR_X509_FATAL_ERROR ); + + if( psa_hash_update( &hash_operation, c, len ) != PSA_SUCCESS ) + return( MBEDTLS_ERR_X509_FATAL_ERROR ); + + if( psa_hash_finish( &hash_operation, hash, sizeof( hash ), &hash_len ) + != PSA_SUCCESS ) + { + return( MBEDTLS_ERR_X509_FATAL_ERROR ); + } +#else /* MBEDTLS_USE_PSA_CRYPTO */ ret = mbedtls_md( mbedtls_md_info_from_type( ctx->md_alg ), c, len, hash ); if( ret != 0 ) return( ret ); - +#endif if( ( ret = mbedtls_pk_sign( ctx->key, ctx->md_alg, hash, 0, sig, &sig_len, f_rng, p_rng ) ) != 0 ) { @@ -341,7 +298,7 @@ int mbedtls_x509write_csr_der( mbedtls_x509write_csr *ctx, unsigned char *buf, int ret; unsigned char *sig; - if( ( sig = mbedtls_calloc( 1, SIGNATURE_MAX_SIZE ) ) == NULL ) + if( ( sig = mbedtls_calloc( 1, MBEDTLS_PK_SIGNATURE_MAX_SIZE ) ) == NULL ) { return( MBEDTLS_ERR_X509_ALLOC_FAILED ); } @@ -361,18 +318,17 @@ int mbedtls_x509write_csr_pem( mbedtls_x509write_csr *ctx, unsigned char *buf, s int (*f_rng)(void *, unsigned char *, size_t), void *p_rng ) { - int ret; - unsigned char output_buf[4096]; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t olen = 0; - if( ( ret = mbedtls_x509write_csr_der( ctx, output_buf, sizeof(output_buf), + if( ( ret = mbedtls_x509write_csr_der( ctx, buf, size, f_rng, p_rng ) ) < 0 ) { return( ret ); } if( ( ret = mbedtls_pem_write_buffer( PEM_BEGIN_CSR, PEM_END_CSR, - output_buf + sizeof(output_buf) - ret, + buf + size - ret, ret, buf, size, &olen ) ) != 0 ) { return( ret ); 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