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This commit is contained in:
pineappleEA
2021-03-06 01:41:47 +01:00
parent a37fdd48d5
commit 3fd627d0ba
558 changed files with 55823 additions and 15727 deletions
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258
externals/mbedtls/library/pk.c vendored
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@@ -1,8 +1,31 @@
/*
* Public Key abstraction layer
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: GPL-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.
* 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.
*
* **********
*
* **********
* 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
@@ -18,7 +41,7 @@
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This file is part of mbed TLS (https://tls.mbed.org)
* **********
*/
#if !defined(MBEDTLS_CONFIG_FILE)
@@ -46,13 +69,18 @@
#include <limits.h>
#include <stdint.h>
/* Parameter validation macros based on platform_util.h */
#define PK_VALIDATE_RET( cond ) \
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_PK_BAD_INPUT_DATA )
#define PK_VALIDATE( cond ) \
MBEDTLS_INTERNAL_VALIDATE( cond )
/*
* Initialise a mbedtls_pk_context
*/
void mbedtls_pk_init( mbedtls_pk_context *ctx )
{
if( ctx == NULL )
return;
PK_VALIDATE( ctx != NULL );
ctx->pk_info = NULL;
ctx->pk_ctx = NULL;
@@ -63,14 +91,44 @@ void mbedtls_pk_init( mbedtls_pk_context *ctx )
*/
void mbedtls_pk_free( mbedtls_pk_context *ctx )
{
if( ctx == NULL || ctx->pk_info == NULL )
if( ctx == NULL )
return;
ctx->pk_info->ctx_free_func( ctx->pk_ctx );
if ( ctx->pk_info != NULL )
ctx->pk_info->ctx_free_func( ctx->pk_ctx );
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_pk_context ) );
}
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
/*
* Initialize a restart context
*/
void mbedtls_pk_restart_init( mbedtls_pk_restart_ctx *ctx )
{
PK_VALIDATE( ctx != NULL );
ctx->pk_info = NULL;
ctx->rs_ctx = NULL;
}
/*
* Free the components of a restart context
*/
void mbedtls_pk_restart_free( mbedtls_pk_restart_ctx *ctx )
{
if( ctx == NULL || ctx->pk_info == NULL ||
ctx->pk_info->rs_free_func == NULL )
{
return;
}
ctx->pk_info->rs_free_func( ctx->rs_ctx );
ctx->pk_info = NULL;
ctx->rs_ctx = NULL;
}
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
/*
* Get pk_info structure from type
*/
@@ -102,7 +160,8 @@ const mbedtls_pk_info_t * mbedtls_pk_info_from_type( mbedtls_pk_type_t pk_type )
*/
int mbedtls_pk_setup( mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info )
{
if( ctx == NULL || info == NULL || ctx->pk_info != NULL )
PK_VALIDATE_RET( ctx != NULL );
if( info == NULL || ctx->pk_info != NULL )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
@@ -125,7 +184,8 @@ int mbedtls_pk_setup_rsa_alt( mbedtls_pk_context *ctx, void * key,
mbedtls_rsa_alt_context *rsa_alt;
const mbedtls_pk_info_t *info = &mbedtls_rsa_alt_info;
if( ctx == NULL || ctx->pk_info != NULL )
PK_VALIDATE_RET( ctx != NULL );
if( ctx->pk_info != NULL )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
@@ -149,7 +209,9 @@ int mbedtls_pk_setup_rsa_alt( mbedtls_pk_context *ctx, void * key,
*/
int mbedtls_pk_can_do( const mbedtls_pk_context *ctx, mbedtls_pk_type_t type )
{
/* null or NONE context can't do anything */
/* A context with null pk_info is not set up yet and can't do anything.
* For backward compatibility, also accept NULL instead of a context
* pointer. */
if( ctx == NULL || ctx->pk_info == NULL )
return( 0 );
@@ -173,6 +235,78 @@ static inline int pk_hashlen_helper( mbedtls_md_type_t md_alg, size_t *hash_len
return( 0 );
}
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
/*
* Helper to set up a restart context if needed
*/
static int pk_restart_setup( mbedtls_pk_restart_ctx *ctx,
const mbedtls_pk_info_t *info )
{
/* Don't do anything if already set up or invalid */
if( ctx == NULL || ctx->pk_info != NULL )
return( 0 );
/* Should never happen when we're called */
if( info->rs_alloc_func == NULL || info->rs_free_func == NULL )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ( ctx->rs_ctx = info->rs_alloc_func() ) == NULL )
return( MBEDTLS_ERR_PK_ALLOC_FAILED );
ctx->pk_info = info;
return( 0 );
}
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
/*
* Verify a signature (restartable)
*/
int mbedtls_pk_verify_restartable( mbedtls_pk_context *ctx,
mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len,
const unsigned char *sig, size_t sig_len,
mbedtls_pk_restart_ctx *rs_ctx )
{
PK_VALIDATE_RET( ctx != NULL );
PK_VALIDATE_RET( ( md_alg == MBEDTLS_MD_NONE && hash_len == 0 ) ||
hash != NULL );
PK_VALIDATE_RET( sig != NULL );
if( ctx->pk_info == NULL ||
pk_hashlen_helper( md_alg, &hash_len ) != 0 )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
/* optimization: use non-restartable version if restart disabled */
if( rs_ctx != NULL &&
mbedtls_ecp_restart_is_enabled() &&
ctx->pk_info->verify_rs_func != NULL )
{
int ret;
if( ( ret = pk_restart_setup( rs_ctx, ctx->pk_info ) ) != 0 )
return( ret );
ret = ctx->pk_info->verify_rs_func( ctx->pk_ctx,
md_alg, hash, hash_len, sig, sig_len, rs_ctx->rs_ctx );
if( ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
mbedtls_pk_restart_free( rs_ctx );
return( ret );
}
#else /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
(void) rs_ctx;
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
if( ctx->pk_info->verify_func == NULL )
return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
return( ctx->pk_info->verify_func( ctx->pk_ctx, md_alg, hash, hash_len,
sig, sig_len ) );
}
/*
* Verify a signature
*/
@@ -180,15 +314,8 @@ int mbedtls_pk_verify( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len,
const unsigned char *sig, size_t sig_len )
{
if( ctx == NULL || ctx->pk_info == NULL ||
pk_hashlen_helper( md_alg, &hash_len ) != 0 )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ctx->pk_info->verify_func == NULL )
return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
return( ctx->pk_info->verify_func( ctx->pk_ctx, md_alg, hash, hash_len,
sig, sig_len ) );
return( mbedtls_pk_verify_restartable( ctx, md_alg, hash, hash_len,
sig, sig_len, NULL ) );
}
/*
@@ -199,7 +326,12 @@ int mbedtls_pk_verify_ext( mbedtls_pk_type_t type, const void *options,
const unsigned char *hash, size_t hash_len,
const unsigned char *sig, size_t sig_len )
{
if( ctx == NULL || ctx->pk_info == NULL )
PK_VALIDATE_RET( ctx != NULL );
PK_VALIDATE_RET( ( md_alg == MBEDTLS_MD_NONE && hash_len == 0 ) ||
hash != NULL );
PK_VALIDATE_RET( sig != NULL );
if( ctx->pk_info == NULL )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ! mbedtls_pk_can_do( ctx, type ) )
@@ -249,6 +381,55 @@ int mbedtls_pk_verify_ext( mbedtls_pk_type_t type, const void *options,
return( mbedtls_pk_verify( ctx, md_alg, hash, hash_len, sig, sig_len ) );
}
/*
* Make a signature (restartable)
*/
int mbedtls_pk_sign_restartable( mbedtls_pk_context *ctx,
mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len,
unsigned char *sig, size_t *sig_len,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
mbedtls_pk_restart_ctx *rs_ctx )
{
PK_VALIDATE_RET( ctx != NULL );
PK_VALIDATE_RET( ( md_alg == MBEDTLS_MD_NONE && hash_len == 0 ) ||
hash != NULL );
PK_VALIDATE_RET( sig != NULL );
if( ctx->pk_info == NULL ||
pk_hashlen_helper( md_alg, &hash_len ) != 0 )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECP_RESTARTABLE)
/* optimization: use non-restartable version if restart disabled */
if( rs_ctx != NULL &&
mbedtls_ecp_restart_is_enabled() &&
ctx->pk_info->sign_rs_func != NULL )
{
int ret;
if( ( ret = pk_restart_setup( rs_ctx, ctx->pk_info ) ) != 0 )
return( ret );
ret = ctx->pk_info->sign_rs_func( ctx->pk_ctx, md_alg,
hash, hash_len, sig, sig_len, f_rng, p_rng, rs_ctx->rs_ctx );
if( ret != MBEDTLS_ERR_ECP_IN_PROGRESS )
mbedtls_pk_restart_free( rs_ctx );
return( ret );
}
#else /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
(void) rs_ctx;
#endif /* MBEDTLS_ECDSA_C && MBEDTLS_ECP_RESTARTABLE */
if( ctx->pk_info->sign_func == NULL )
return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
return( ctx->pk_info->sign_func( ctx->pk_ctx, md_alg, hash, hash_len,
sig, sig_len, f_rng, p_rng ) );
}
/*
* Make a signature
*/
@@ -257,15 +438,8 @@ int mbedtls_pk_sign( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
unsigned char *sig, size_t *sig_len,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
{
if( ctx == NULL || ctx->pk_info == NULL ||
pk_hashlen_helper( md_alg, &hash_len ) != 0 )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ctx->pk_info->sign_func == NULL )
return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
return( ctx->pk_info->sign_func( ctx->pk_ctx, md_alg, hash, hash_len,
sig, sig_len, f_rng, p_rng ) );
return( mbedtls_pk_sign_restartable( ctx, md_alg, hash, hash_len,
sig, sig_len, f_rng, p_rng, NULL ) );
}
/*
@@ -276,7 +450,12 @@ int mbedtls_pk_decrypt( mbedtls_pk_context *ctx,
unsigned char *output, size_t *olen, size_t osize,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
{
if( ctx == NULL || ctx->pk_info == NULL )
PK_VALIDATE_RET( ctx != NULL );
PK_VALIDATE_RET( input != NULL || ilen == 0 );
PK_VALIDATE_RET( output != NULL || osize == 0 );
PK_VALIDATE_RET( olen != NULL );
if( ctx->pk_info == NULL )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ctx->pk_info->decrypt_func == NULL )
@@ -294,7 +473,12 @@ int mbedtls_pk_encrypt( mbedtls_pk_context *ctx,
unsigned char *output, size_t *olen, size_t osize,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
{
if( ctx == NULL || ctx->pk_info == NULL )
PK_VALIDATE_RET( ctx != NULL );
PK_VALIDATE_RET( input != NULL || ilen == 0 );
PK_VALIDATE_RET( output != NULL || osize == 0 );
PK_VALIDATE_RET( olen != NULL );
if( ctx->pk_info == NULL )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ctx->pk_info->encrypt_func == NULL )
@@ -309,8 +493,11 @@ int mbedtls_pk_encrypt( mbedtls_pk_context *ctx,
*/
int mbedtls_pk_check_pair( const mbedtls_pk_context *pub, const mbedtls_pk_context *prv )
{
if( pub == NULL || pub->pk_info == NULL ||
prv == NULL || prv->pk_info == NULL ||
PK_VALIDATE_RET( pub != NULL );
PK_VALIDATE_RET( prv != NULL );
if( pub->pk_info == NULL ||
prv->pk_info == NULL ||
prv->pk_info->check_pair_func == NULL )
{
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
@@ -335,6 +522,8 @@ int mbedtls_pk_check_pair( const mbedtls_pk_context *pub, const mbedtls_pk_conte
*/
size_t mbedtls_pk_get_bitlen( const mbedtls_pk_context *ctx )
{
/* For backward compatibility, accept NULL or a context that
* isn't set up yet, and return a fake value that should be safe. */
if( ctx == NULL || ctx->pk_info == NULL )
return( 0 );
@@ -346,7 +535,8 @@ size_t mbedtls_pk_get_bitlen( const mbedtls_pk_context *ctx )
*/
int mbedtls_pk_debug( const mbedtls_pk_context *ctx, mbedtls_pk_debug_item *items )
{
if( ctx == NULL || ctx->pk_info == NULL )
PK_VALIDATE_RET( ctx != NULL );
if( ctx->pk_info == NULL )
return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
if( ctx->pk_info->debug_func == NULL )