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119 lines
4.7 KiB
C
119 lines
4.7 KiB
C
/*
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* Context structure declaration of the Mbed TLS software-based PSA drivers
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* called through the PSA Crypto driver dispatch layer.
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* This file contains the context structures of key derivation algorithms
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* which need to rely on other algorithms.
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*
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* \note This file may not be included directly. Applications must
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* include psa/crypto.h.
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*
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* \note This header and its content are not part of the Mbed TLS API and
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* applications must not depend on it. Its main purpose is to define the
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* multi-part state objects of the Mbed TLS software-based PSA drivers. The
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* definitions of these objects are then used by crypto_struct.h to define the
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* implementation-defined types of PSA multi-part state objects.
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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 OR GPL-2.0-or-later
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*/
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#ifndef PSA_CRYPTO_BUILTIN_KEY_DERIVATION_H
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#define PSA_CRYPTO_BUILTIN_KEY_DERIVATION_H
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#include "mbedtls/private_access.h"
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#include <psa/crypto_driver_common.h>
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_HKDF) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_HKDF_EXTRACT) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_HKDF_EXPAND)
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typedef struct {
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uint8_t *MBEDTLS_PRIVATE(info);
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size_t MBEDTLS_PRIVATE(info_length);
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#if PSA_HASH_MAX_SIZE > 0xff
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#error "PSA_HASH_MAX_SIZE does not fit in uint8_t"
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#endif
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uint8_t MBEDTLS_PRIVATE(offset_in_block);
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uint8_t MBEDTLS_PRIVATE(block_number);
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unsigned int MBEDTLS_PRIVATE(state) : 2;
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unsigned int MBEDTLS_PRIVATE(info_set) : 1;
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uint8_t MBEDTLS_PRIVATE(output_block)[PSA_HASH_MAX_SIZE];
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uint8_t MBEDTLS_PRIVATE(prk)[PSA_HASH_MAX_SIZE];
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struct psa_mac_operation_s MBEDTLS_PRIVATE(hmac);
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} psa_hkdf_key_derivation_t;
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_HKDF ||
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MBEDTLS_PSA_BUILTIN_ALG_HKDF_EXTRACT ||
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MBEDTLS_PSA_BUILTIN_ALG_HKDF_EXPAND */
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS)
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typedef struct {
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uint8_t MBEDTLS_PRIVATE(data)[PSA_TLS12_ECJPAKE_TO_PMS_DATA_SIZE];
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} psa_tls12_ecjpake_to_pms_t;
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS */
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS)
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typedef enum {
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PSA_TLS12_PRF_STATE_INIT, /* no input provided */
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PSA_TLS12_PRF_STATE_SEED_SET, /* seed has been set */
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PSA_TLS12_PRF_STATE_OTHER_KEY_SET, /* other key has been set - optional */
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PSA_TLS12_PRF_STATE_KEY_SET, /* key has been set */
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PSA_TLS12_PRF_STATE_LABEL_SET, /* label has been set */
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PSA_TLS12_PRF_STATE_OUTPUT /* output has been started */
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} psa_tls12_prf_key_derivation_state_t;
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typedef struct psa_tls12_prf_key_derivation_s {
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#if PSA_HASH_MAX_SIZE > 0xff
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#error "PSA_HASH_MAX_SIZE does not fit in uint8_t"
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#endif
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/* Indicates how many bytes in the current HMAC block have
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* not yet been read by the user. */
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uint8_t MBEDTLS_PRIVATE(left_in_block);
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/* The 1-based number of the block. */
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uint8_t MBEDTLS_PRIVATE(block_number);
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psa_tls12_prf_key_derivation_state_t MBEDTLS_PRIVATE(state);
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uint8_t *MBEDTLS_PRIVATE(secret);
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size_t MBEDTLS_PRIVATE(secret_length);
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uint8_t *MBEDTLS_PRIVATE(seed);
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size_t MBEDTLS_PRIVATE(seed_length);
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uint8_t *MBEDTLS_PRIVATE(label);
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size_t MBEDTLS_PRIVATE(label_length);
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS)
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uint8_t *MBEDTLS_PRIVATE(other_secret);
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size_t MBEDTLS_PRIVATE(other_secret_length);
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS */
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uint8_t MBEDTLS_PRIVATE(Ai)[PSA_HASH_MAX_SIZE];
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/* `HMAC_hash( prk, A( i ) + seed )` in the notation of RFC 5246, Sect. 5. */
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uint8_t MBEDTLS_PRIVATE(output_block)[PSA_HASH_MAX_SIZE];
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} psa_tls12_prf_key_derivation_t;
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#endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF) ||
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* MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS */
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#if defined(PSA_HAVE_SOFT_PBKDF2)
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typedef enum {
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PSA_PBKDF2_STATE_INIT, /* no input provided */
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PSA_PBKDF2_STATE_INPUT_COST_SET, /* input cost has been set */
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PSA_PBKDF2_STATE_SALT_SET, /* salt has been set */
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PSA_PBKDF2_STATE_PASSWORD_SET, /* password has been set */
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PSA_PBKDF2_STATE_OUTPUT /* output has been started */
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} psa_pbkdf2_key_derivation_state_t;
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typedef struct {
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psa_pbkdf2_key_derivation_state_t MBEDTLS_PRIVATE(state);
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uint64_t MBEDTLS_PRIVATE(input_cost);
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uint8_t *MBEDTLS_PRIVATE(salt);
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size_t MBEDTLS_PRIVATE(salt_length);
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uint8_t MBEDTLS_PRIVATE(password)[PSA_HMAC_MAX_HASH_BLOCK_SIZE];
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size_t MBEDTLS_PRIVATE(password_length);
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uint8_t MBEDTLS_PRIVATE(output_block)[PSA_HASH_MAX_SIZE];
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uint8_t MBEDTLS_PRIVATE(bytes_used);
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uint32_t MBEDTLS_PRIVATE(block_number);
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} psa_pbkdf2_key_derivation_t;
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#endif /* PSA_HAVE_SOFT_PBKDF2 */
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#endif /* PSA_CRYPTO_BUILTIN_KEY_DERIVATION_H */
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