33783b4646
Unless I missed something, all remaining instance of all macros are in
files where it makes sense to use these. I went over the output of:
git grep -c -E 'MBEDTLS_(MD5|RIPEMD160|SHA[0-9]*)_C'
and I think all the files listed fall into one of the following
acceptable categories:
- documentation and historical documents: Changelog, docs/**/*.md
- config files and related: mbedtls_config.h, configs/*.h,
check_config.h, config_psa.h, etc.
- scripts that build/modify configs: all.sh, depends.py,
set_psa_test_dependencies.py, etc.
- implementation of MD or PSA or related: md.h, psa_util.h, etc. and
corresponding test suites
- implementation of hashes: md5.c, sha256.h, etc. and corresponding test
suites
- two example programs using a low-level hash API: hash/hello.c,
pkey/ecdsa.c
- test/benchmark.c, test/selftest.c: actually want our built-in
implementations
- a function in test_suite_psa_crypto_storage_format that is
specifically for checking if the hash is built in.
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
234 lines
8.6 KiB
C
234 lines
8.6 KiB
C
/** Code to exercise a PSA key object, i.e. validate that it seems well-formed
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* and can do what it is supposed to do.
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*/
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/*
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* Copyright The Mbed TLS Contributors
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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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#ifndef PSA_EXERCISE_KEY_H
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#define PSA_EXERCISE_KEY_H
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#include "test/helpers.h"
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#include "test/psa_crypto_helpers.h"
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#include <psa/crypto.h>
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/** \def KNOWN_SUPPORTED_HASH_ALG
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*
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* A hash algorithm that is known to be supported.
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*
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* This is used in some smoke tests.
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*/
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#if defined(PSA_WANT_ALG_MD5)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_MD5
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/* PSA_WANT_ALG_RIPEMD160 omitted. This is necessary for the sake of
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* exercise_signature_key() because Mbed TLS doesn't support RIPEMD160
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* in RSA PKCS#1v1.5 signatures. A RIPEMD160-only configuration would be
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* implausible anyway. */
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#elif defined(PSA_WANT_ALG_SHA_1)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA_1
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#elif defined(PSA_WANT_ALG_SHA_256)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA_256
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#elif defined(PSA_WANT_ALG_SHA_384)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA_384
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#elif defined(PSA_WANT_ALG_SHA_512)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA_512
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#elif defined(PSA_WANT_ALG_SHA3_256)
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#define KNOWN_SUPPORTED_HASH_ALG PSA_ALG_SHA3_256
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#else
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#undef KNOWN_SUPPORTED_HASH_ALG
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#endif
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/** \def KNOWN_SUPPORTED_BLOCK_CIPHER
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*
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* A block cipher that is known to be supported.
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*
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* For simplicity's sake, stick to block ciphers with 16-byte blocks.
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*/
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#if defined(MBEDTLS_AES_C)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER PSA_KEY_TYPE_AES
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#elif defined(MBEDTLS_ARIA_C)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER PSA_KEY_TYPE_ARIA
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#elif defined(MBEDTLS_CAMELLIA_C)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER PSA_KEY_TYPE_CAMELLIA
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#undef KNOWN_SUPPORTED_BLOCK_CIPHER
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#endif
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/** \def KNOWN_SUPPORTED_MAC_ALG
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*
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* A MAC mode that is known to be supported.
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*
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* It must either be HMAC with #KNOWN_SUPPORTED_HASH_ALG or
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* a block cipher-based MAC with #KNOWN_SUPPORTED_BLOCK_CIPHER.
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*
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* This is used in some smoke tests.
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*/
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#if defined(KNOWN_SUPPORTED_HASH_ALG) && defined(PSA_WANT_ALG_HMAC)
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#define KNOWN_SUPPORTED_MAC_ALG (PSA_ALG_HMAC(KNOWN_SUPPORTED_HASH_ALG))
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#define KNOWN_SUPPORTED_MAC_KEY_TYPE PSA_KEY_TYPE_HMAC
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#elif defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CMAC_C)
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#define KNOWN_SUPPORTED_MAC_ALG PSA_ALG_CMAC
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#define KNOWN_SUPPORTED_MAC_KEY_TYPE KNOWN_SUPPORTED_BLOCK_CIPHER
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#else
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#undef KNOWN_SUPPORTED_MAC_ALG
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#undef KNOWN_SUPPORTED_MAC_KEY_TYPE
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#endif
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/** \def KNOWN_SUPPORTED_BLOCK_CIPHER_ALG
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*
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* A cipher algorithm and key type that are known to be supported.
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*
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* This is used in some smoke tests.
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*/
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#if defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CIPHER_MODE_CTR)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER_ALG PSA_ALG_CTR
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#elif defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CIPHER_MODE_CBC)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER_ALG PSA_ALG_CBC_NO_PADDING
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#elif defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CIPHER_MODE_CFB)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER_ALG PSA_ALG_CFB
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#elif defined(KNOWN_SUPPORTED_BLOCK_CIPHER) && defined(MBEDTLS_CIPHER_MODE_OFB)
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#define KNOWN_SUPPORTED_BLOCK_CIPHER_ALG PSA_ALG_OFB
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#else
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#undef KNOWN_SUPPORTED_BLOCK_CIPHER_ALG
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#endif
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#if defined(KNOWN_SUPPORTED_BLOCK_CIPHER_ALG)
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#define KNOWN_SUPPORTED_CIPHER_ALG KNOWN_SUPPORTED_BLOCK_CIPHER_ALG
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#define KNOWN_SUPPORTED_CIPHER_KEY_TYPE KNOWN_SUPPORTED_BLOCK_CIPHER
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#else
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#undef KNOWN_SUPPORTED_CIPHER_ALG
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#undef KNOWN_SUPPORTED_CIPHER_KEY_TYPE
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#endif
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/** Convenience function to set up a key derivation.
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*
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* In case of failure, mark the current test case as failed.
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*
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* The inputs \p input1 and \p input2 are, in order:
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* - HKDF: salt, info.
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* - TKS 1.2 PRF, TLS 1.2 PSK-to-MS: seed, label.
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*
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* \param operation The operation object to use.
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* It must be in the initialized state.
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* \param key The key to use.
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* \param alg The algorithm to use.
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* \param input1 The first input to pass.
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* \param input1_length The length of \p input1 in bytes.
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* \param input2 The first input to pass.
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* \param input2_length The length of \p input2 in bytes.
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* \param capacity The capacity to set.
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*
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* \return \c 1 on success, \c 0 on failure.
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*/
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int mbedtls_test_psa_setup_key_derivation_wrap(
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psa_key_derivation_operation_t *operation,
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mbedtls_svc_key_id_t key,
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psa_algorithm_t alg,
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const unsigned char *input1, size_t input1_length,
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const unsigned char *input2, size_t input2_length,
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size_t capacity);
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/** Perform a key agreement using the given key pair against its public key
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* using psa_raw_key_agreement().
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*
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* The result is discarded. The purpose of this function is to smoke-test a key.
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*
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* In case of failure, mark the current test case as failed.
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*
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* \param alg A key agreement algorithm compatible with \p key.
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* \param key A key that allows key agreement with \p alg.
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*
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* \return \c 1 on success, \c 0 on failure.
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*/
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psa_status_t mbedtls_test_psa_raw_key_agreement_with_self(
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psa_algorithm_t alg,
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mbedtls_svc_key_id_t key);
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/** Perform a key agreement using the given key pair against its public key
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* using psa_key_derivation_raw_key().
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*
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* The result is discarded. The purpose of this function is to smoke-test a key.
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*
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* In case of failure, mark the current test case as failed.
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*
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* \param operation An operation that has been set up for a key
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* agreement algorithm that is compatible with
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* \p key.
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* \param key A key pair object that is suitable for a key
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* agreement with \p operation.
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*
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* \return \c 1 on success, \c 0 on failure.
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*/
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psa_status_t mbedtls_test_psa_key_agreement_with_self(
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psa_key_derivation_operation_t *operation,
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mbedtls_svc_key_id_t key);
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/** Perform sanity checks on the given key representation.
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*
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* If any of the checks fail, mark the current test case as failed.
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*
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* The checks depend on the key type.
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* - All types: check the export size against maximum-size macros.
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* - DES: parity bits.
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* - RSA: check the ASN.1 structure and the size and parity of the integers.
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* - ECC private or public key: exact representation length.
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* - Montgomery public key: first byte.
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*
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* \param type The key type.
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* \param bits The key size in bits.
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* \param exported A buffer containing the key representation.
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* \param exported_length The length of \p exported in bytes.
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*
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* \return \c 1 if all checks passed, \c 0 on failure.
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*/
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int mbedtls_test_psa_exported_key_sanity_check(
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psa_key_type_t type, size_t bits,
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const uint8_t *exported, size_t exported_length);
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/** Do smoke tests on a key.
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*
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* Perform one of each operation indicated by \p alg (decrypt/encrypt,
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* sign/verify, or derivation) that is permitted according to \p usage.
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* \p usage and \p alg should correspond to the expected policy on the
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* key.
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*
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* Export the key if permitted by \p usage, and check that the output
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* looks sensible. If \p usage forbids export, check that
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* \p psa_export_key correctly rejects the attempt. If the key is
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* asymmetric, also check \p psa_export_public_key.
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*
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* If the key fails the tests, this function calls the test framework's
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* `mbedtls_test_fail` function and returns false. Otherwise this function
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* returns true. Therefore it should be used as follows:
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* ```
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* if( ! exercise_key( ... ) ) goto exit;
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* ```
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*
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* \param key The key to exercise. It should be capable of performing
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* \p alg.
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* \param usage The usage flags to assume.
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* \param alg The algorithm to exercise.
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*
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* \retval 0 The key failed the smoke tests.
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* \retval 1 The key passed the smoke tests.
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*/
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int mbedtls_test_psa_exercise_key(mbedtls_svc_key_id_t key,
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psa_key_usage_t usage,
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psa_algorithm_t alg);
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psa_key_usage_t mbedtls_test_psa_usage_to_exercise(psa_key_type_t type,
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psa_algorithm_t alg);
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#endif /* PSA_EXERCISE_KEY_H */
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