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Add internal header for PSA utility functions
This commit adds the header file mbedtls/psa_util.h which contains static utility functions `mbedtls_psa_xxx()` used in the integration of PSA Crypto into Mbed TLS. Warning: These functions are internal only and may change at any time.
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Hanno Becker
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162
include/mbedtls/psa_util.h
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162
include/mbedtls/psa_util.h
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/**
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* \file psa_compat.h
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*
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* \brief Utility functions for the use of the PSA Crypto library.
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*
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* \warning This function is not part of the public API and may
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* change at any time.
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*/
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/*
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* Copyright (C) 2006-2018, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#if !defined(MBEDTLS_PSA_COMPAT_H)
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#define MBEDTLS_PSA_COMPAT_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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#include "psa/crypto.h"
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#include "ecp.h"
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#include "md.h"
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static psa_status_t mbedtls_psa_get_free_key_slot( psa_key_slot_t *key )
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{
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for( psa_key_slot_t slot = 1; slot <= 32; slot++ )
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{
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if( psa_get_key_information( slot, NULL, NULL ) == PSA_ERROR_EMPTY_SLOT )
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{
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*key = slot;
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return( PSA_SUCCESS );
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}
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}
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return( PSA_ERROR_INSUFFICIENT_MEMORY );
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}
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static psa_algorithm_t mbedtls_psa_translate_md( mbedtls_md_type_t md_alg )
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{
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switch( md_alg )
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{
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#if defined(MBEDTLS_MD2_C)
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case MBEDTLS_MD_MD2:
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return( PSA_ALG_MD2 );
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#endif
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#if defined(MBEDTLS_MD4_C)
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case MBEDTLS_MD_MD4:
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return( PSA_ALG_MD4 );
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#endif
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#if defined(MBEDTLS_MD5_C)
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case MBEDTLS_MD_MD5:
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return( PSA_ALG_MD5 );
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#endif
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#if defined(MBEDTLS_SHA1_C)
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case MBEDTLS_MD_SHA1:
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return( PSA_ALG_SHA_1 );
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#endif
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#if defined(MBEDTLS_SHA256_C)
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case MBEDTLS_MD_SHA224:
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return( PSA_ALG_SHA_224 );
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case MBEDTLS_MD_SHA256:
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return( PSA_ALG_SHA_256 );
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#endif
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#if defined(MBEDTLS_SHA512_C)
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case MBEDTLS_MD_SHA384:
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return( PSA_ALG_SHA_384 );
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case MBEDTLS_MD_SHA512:
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return( PSA_ALG_SHA_512 );
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#endif
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#if defined(MBEDTLS_RIPEMD160_C)
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case MBEDTLS_MD_RIPEMD160:
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return( PSA_ALG_RIPEMD160 );
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#endif
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case MBEDTLS_MD_NONE: /* Intentional fallthrough */
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default:
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return( 0 );
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}
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}
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static psa_ecc_curve_t mbedtls_psa_translate_ecc_group( mbedtls_ecp_group_id grpid )
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{
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switch( grpid )
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{
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#if defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED)
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case MBEDTLS_ECP_DP_SECP192R1:
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return( PSA_ECC_CURVE_SECP192R1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED)
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case MBEDTLS_ECP_DP_SECP224R1:
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return( PSA_ECC_CURVE_SECP224R1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
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case MBEDTLS_ECP_DP_SECP256R1:
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return( PSA_ECC_CURVE_SECP256R1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
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case MBEDTLS_ECP_DP_SECP384R1:
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return( PSA_ECC_CURVE_SECP384R1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
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case MBEDTLS_ECP_DP_SECP521R1:
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return( PSA_ECC_CURVE_SECP521R1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)
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case MBEDTLS_ECP_DP_BP256R1:
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return( PSA_ECC_CURVE_BRAINPOOL_P256R1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)
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case MBEDTLS_ECP_DP_BP384R1:
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return( PSA_ECC_CURVE_BRAINPOOL_P384R1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)
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case MBEDTLS_ECP_DP_BP512R1:
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return( PSA_ECC_CURVE_BRAINPOOL_P512R1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED)
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case MBEDTLS_ECP_DP_CURVE25519:
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return( PSA_ECC_CURVE_CURVE25519 );
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#endif
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#if defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED)
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case MBEDTLS_ECP_DP_SECP192K1:
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return( PSA_ECC_CURVE_SECP192K1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED)
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case MBEDTLS_ECP_DP_SECP224K1:
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return( PSA_ECC_CURVE_SECP224K1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED)
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case MBEDTLS_ECP_DP_SECP256K1:
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return( PSA_ECC_CURVE_SECP256K1 );
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#endif
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#if defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
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case MBEDTLS_ECP_DP_CURVE448:
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return( PSA_ECC_CURVE_CURVE448 );
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#endif
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default:
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return( 0 );
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}
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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#endif /* MBEDTLS_PSA_COMPAT_H */
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