crypto.h

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/*
 *  Copyright The Mbed TLS Contributors
 *  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.
 *  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.
 */

#ifndef PSA_CRYPTO_H
#define PSA_CRYPTO_H

#include "crypto_platform.h"

#include <stddef.h>

#ifdef __DOXYGEN_ONLY__
/* This __DOXYGEN_ONLY__ block contains mock definitions for things that
 * must be defined in the crypto_platform.h header. These mock definitions
 * are present in this file as a convenience to generate pretty-printed
 * documentation that includes those definitions. */

#endif /* __DOXYGEN_ONLY__ */

#ifdef __cplusplus
extern "C" {
#endif

/* The file "crypto_types.h" declares types that encode errors,
 * algorithms, key types, policies, etc. */
#include "crypto_types.h"

#define PSA_CRYPTO_API_VERSION_MAJOR 1

#define PSA_CRYPTO_API_VERSION_MINOR 0

/* The file "crypto_values.h" declares macros to build and analyze values
 * of integral types defined in "crypto_types.h". */
#include "crypto_values.h"

psa_status_t psa_crypto_init(void);

static psa_key_attributes_t psa_key_attributes_init(void);

static void psa_set_key_id( psa_key_attributes_t *attributes,
                            mbedtls_svc_key_id_t key );

#ifdef MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER

static void mbedtls_set_key_owner_id( psa_key_attributes_t *attributes,
                                      mbedtls_key_owner_id_t owner );
#endif

static void psa_set_key_lifetime(psa_key_attributes_t *attributes,
                                 psa_key_lifetime_t lifetime);

static mbedtls_svc_key_id_t psa_get_key_id(
    const psa_key_attributes_t *attributes);

static psa_key_lifetime_t psa_get_key_lifetime(
    const psa_key_attributes_t *attributes);

static void psa_set_key_usage_flags(psa_key_attributes_t *attributes,
                                    psa_key_usage_t usage_flags);

static psa_key_usage_t psa_get_key_usage_flags(
    const psa_key_attributes_t *attributes);

static void psa_set_key_algorithm(psa_key_attributes_t *attributes,
                                  psa_algorithm_t alg);


static psa_algorithm_t psa_get_key_algorithm(
    const psa_key_attributes_t *attributes);

static void psa_set_key_type(psa_key_attributes_t *attributes,
                             psa_key_type_t type);


static void psa_set_key_bits(psa_key_attributes_t *attributes,
                             size_t bits);

static psa_key_type_t psa_get_key_type(const psa_key_attributes_t *attributes);

static size_t psa_get_key_bits(const psa_key_attributes_t *attributes);

psa_status_t psa_get_key_attributes(mbedtls_svc_key_id_t key,
                                    psa_key_attributes_t *attributes);

void psa_reset_key_attributes(psa_key_attributes_t *attributes);

psa_status_t psa_purge_key(mbedtls_svc_key_id_t key);

psa_status_t psa_copy_key(mbedtls_svc_key_id_t source_key,
                          const psa_key_attributes_t *attributes,
                          mbedtls_svc_key_id_t *target_key);


psa_status_t psa_destroy_key(mbedtls_svc_key_id_t key);

psa_status_t psa_import_key(const psa_key_attributes_t *attributes,
                            const uint8_t *data,
                            size_t data_length,
                            mbedtls_svc_key_id_t *key);



psa_status_t psa_export_key(mbedtls_svc_key_id_t key,
                            uint8_t *data,
                            size_t data_size,
                            size_t *data_length);

psa_status_t psa_export_public_key(mbedtls_svc_key_id_t key,
                                   uint8_t *data,
                                   size_t data_size,
                                   size_t *data_length);



psa_status_t psa_hash_compute(psa_algorithm_t alg,
                              const uint8_t *input,
                              size_t input_length,
                              uint8_t *hash,
                              size_t hash_size,
                              size_t *hash_length);

psa_status_t psa_hash_compare(psa_algorithm_t alg,
                              const uint8_t *input,
                              size_t input_length,
                              const uint8_t *hash,
                              size_t hash_length);

typedef struct psa_hash_operation_s psa_hash_operation_t;

static psa_hash_operation_t psa_hash_operation_init(void);

psa_status_t psa_hash_setup(psa_hash_operation_t *operation,
                            psa_algorithm_t alg);

psa_status_t psa_hash_update(psa_hash_operation_t *operation,
                             const uint8_t *input,
                             size_t input_length);

psa_status_t psa_hash_finish(psa_hash_operation_t *operation,
                             uint8_t *hash,
                             size_t hash_size,
                             size_t *hash_length);

psa_status_t psa_hash_verify(psa_hash_operation_t *operation,
                             const uint8_t *hash,
                             size_t hash_length);

psa_status_t psa_hash_abort(psa_hash_operation_t *operation);

psa_status_t psa_hash_clone(const psa_hash_operation_t *source_operation,
                            psa_hash_operation_t *target_operation);

psa_status_t psa_mac_compute(mbedtls_svc_key_id_t key,
                             psa_algorithm_t alg,
                             const uint8_t *input,
                             size_t input_length,
                             uint8_t *mac,
                             size_t mac_size,
                             size_t *mac_length);

psa_status_t psa_mac_verify(mbedtls_svc_key_id_t key,
                            psa_algorithm_t alg,
                            const uint8_t *input,
                            size_t input_length,
                            const uint8_t *mac,
                            size_t mac_length);

typedef struct psa_mac_operation_s psa_mac_operation_t;

static psa_mac_operation_t psa_mac_operation_init(void);

psa_status_t psa_mac_sign_setup(psa_mac_operation_t *operation,
                                mbedtls_svc_key_id_t key,
                                psa_algorithm_t alg);

psa_status_t psa_mac_verify_setup(psa_mac_operation_t *operation,
                                  mbedtls_svc_key_id_t key,
                                  psa_algorithm_t alg);

psa_status_t psa_mac_update(psa_mac_operation_t *operation,
                            const uint8_t *input,
                            size_t input_length);

psa_status_t psa_mac_sign_finish(psa_mac_operation_t *operation,
                                 uint8_t *mac,
                                 size_t mac_size,
                                 size_t *mac_length);

psa_status_t psa_mac_verify_finish(psa_mac_operation_t *operation,
                                   const uint8_t *mac,
                                   size_t mac_length);

psa_status_t psa_mac_abort(psa_mac_operation_t *operation);

psa_status_t psa_cipher_encrypt(mbedtls_svc_key_id_t key,
                                psa_algorithm_t alg,
                                const uint8_t *input,
                                size_t input_length,
                                uint8_t *output,
                                size_t output_size,
                                size_t *output_length);

psa_status_t psa_cipher_decrypt(mbedtls_svc_key_id_t key,
                                psa_algorithm_t alg,
                                const uint8_t *input,
                                size_t input_length,
                                uint8_t *output,
                                size_t output_size,
                                size_t *output_length);

typedef struct psa_cipher_operation_s psa_cipher_operation_t;

static psa_cipher_operation_t psa_cipher_operation_init(void);

psa_status_t psa_cipher_encrypt_setup(psa_cipher_operation_t *operation,
                                      mbedtls_svc_key_id_t key,
                                      psa_algorithm_t alg);

psa_status_t psa_cipher_decrypt_setup(psa_cipher_operation_t *operation,
                                      mbedtls_svc_key_id_t key,
                                      psa_algorithm_t alg);

psa_status_t psa_cipher_generate_iv(psa_cipher_operation_t *operation,
                                    uint8_t *iv,
                                    size_t iv_size,
                                    size_t *iv_length);

psa_status_t psa_cipher_set_iv(psa_cipher_operation_t *operation,
                               const uint8_t *iv,
                               size_t iv_length);

psa_status_t psa_cipher_update(psa_cipher_operation_t *operation,
                               const uint8_t *input,
                               size_t input_length,
                               uint8_t *output,
                               size_t output_size,
                               size_t *output_length);

psa_status_t psa_cipher_finish(psa_cipher_operation_t *operation,
                               uint8_t *output,
                               size_t output_size,
                               size_t *output_length);

psa_status_t psa_cipher_abort(psa_cipher_operation_t *operation);

psa_status_t psa_aead_encrypt(mbedtls_svc_key_id_t key,
                              psa_algorithm_t alg,
                              const uint8_t *nonce,
                              size_t nonce_length,
                              const uint8_t *additional_data,
                              size_t additional_data_length,
                              const uint8_t *plaintext,
                              size_t plaintext_length,
                              uint8_t *ciphertext,
                              size_t ciphertext_size,
                              size_t *ciphertext_length);

psa_status_t psa_aead_decrypt(mbedtls_svc_key_id_t key,
                              psa_algorithm_t alg,
                              const uint8_t *nonce,
                              size_t nonce_length,
                              const uint8_t *additional_data,
                              size_t additional_data_length,
                              const uint8_t *ciphertext,
                              size_t ciphertext_length,
                              uint8_t *plaintext,
                              size_t plaintext_size,
                              size_t *plaintext_length);

typedef struct psa_aead_operation_s psa_aead_operation_t;

static psa_aead_operation_t psa_aead_operation_init(void);

psa_status_t psa_aead_encrypt_setup(psa_aead_operation_t *operation,
                                    mbedtls_svc_key_id_t key,
                                    psa_algorithm_t alg);

psa_status_t psa_aead_decrypt_setup(psa_aead_operation_t *operation,
                                    mbedtls_svc_key_id_t key,
                                    psa_algorithm_t alg);

psa_status_t psa_aead_generate_nonce(psa_aead_operation_t *operation,
                                     uint8_t *nonce,
                                     size_t nonce_size,
                                     size_t *nonce_length);

psa_status_t psa_aead_set_nonce(psa_aead_operation_t *operation,
                                const uint8_t *nonce,
                                size_t nonce_length);

psa_status_t psa_aead_set_lengths(psa_aead_operation_t *operation,
                                  size_t ad_length,
                                  size_t plaintext_length);

psa_status_t psa_aead_update_ad(psa_aead_operation_t *operation,
                                const uint8_t *input,
                                size_t input_length);

psa_status_t psa_aead_update(psa_aead_operation_t *operation,
                             const uint8_t *input,
                             size_t input_length,
                             uint8_t *output,
                             size_t output_size,
                             size_t *output_length);

psa_status_t psa_aead_finish(psa_aead_operation_t *operation,
                             uint8_t *ciphertext,
                             size_t ciphertext_size,
                             size_t *ciphertext_length,
                             uint8_t *tag,
                             size_t tag_size,
                             size_t *tag_length);

psa_status_t psa_aead_verify(psa_aead_operation_t *operation,
                             uint8_t *plaintext,
                             size_t plaintext_size,
                             size_t *plaintext_length,
                             const uint8_t *tag,
                             size_t tag_length);

psa_status_t psa_aead_abort(psa_aead_operation_t *operation);

psa_status_t psa_sign_message( mbedtls_svc_key_id_t key,
                               psa_algorithm_t alg,
                               const uint8_t * input,
                               size_t input_length,
                               uint8_t * signature,
                               size_t signature_size,
                               size_t * signature_length );

psa_status_t psa_verify_message( mbedtls_svc_key_id_t key,
                                 psa_algorithm_t alg,
                                 const uint8_t * input,
                                 size_t input_length,
                                 const uint8_t * signature,
                                 size_t signature_length );

psa_status_t psa_sign_hash(mbedtls_svc_key_id_t key,
                           psa_algorithm_t alg,
                           const uint8_t *hash,
                           size_t hash_length,
                           uint8_t *signature,
                           size_t signature_size,
                           size_t *signature_length);

psa_status_t psa_verify_hash(mbedtls_svc_key_id_t key,
                             psa_algorithm_t alg,
                             const uint8_t *hash,
                             size_t hash_length,
                             const uint8_t *signature,
                             size_t signature_length);

psa_status_t psa_asymmetric_encrypt(mbedtls_svc_key_id_t key,
                                    psa_algorithm_t alg,
                                    const uint8_t *input,
                                    size_t input_length,
                                    const uint8_t *salt,
                                    size_t salt_length,
                                    uint8_t *output,
                                    size_t output_size,
                                    size_t *output_length);

psa_status_t psa_asymmetric_decrypt(mbedtls_svc_key_id_t key,
                                    psa_algorithm_t alg,
                                    const uint8_t *input,
                                    size_t input_length,
                                    const uint8_t *salt,
                                    size_t salt_length,
                                    uint8_t *output,
                                    size_t output_size,
                                    size_t *output_length);

typedef struct psa_key_derivation_s psa_key_derivation_operation_t;

static psa_key_derivation_operation_t psa_key_derivation_operation_init(void);

psa_status_t psa_key_derivation_setup(
    psa_key_derivation_operation_t *operation,
    psa_algorithm_t alg);

psa_status_t psa_key_derivation_get_capacity(
    const psa_key_derivation_operation_t *operation,
    size_t *capacity);

psa_status_t psa_key_derivation_set_capacity(
    psa_key_derivation_operation_t *operation,
    size_t capacity);

#define PSA_KEY_DERIVATION_UNLIMITED_CAPACITY ((size_t)(-1))

psa_status_t psa_key_derivation_input_bytes(
    psa_key_derivation_operation_t *operation,
    psa_key_derivation_step_t step,
    const uint8_t *data,
    size_t data_length);

psa_status_t psa_key_derivation_input_integer(
    psa_key_derivation_operation_t *operation,
    psa_key_derivation_step_t step,
    uint64_t value);

psa_status_t psa_key_derivation_input_key(
    psa_key_derivation_operation_t *operation,
    psa_key_derivation_step_t step,
    mbedtls_svc_key_id_t key);

psa_status_t psa_key_derivation_key_agreement(
    psa_key_derivation_operation_t *operation,
    psa_key_derivation_step_t step,
    mbedtls_svc_key_id_t private_key,
    const uint8_t *peer_key,
    size_t peer_key_length);

psa_status_t psa_key_derivation_output_bytes(
    psa_key_derivation_operation_t *operation,
    uint8_t *output,
    size_t output_length);

psa_status_t psa_key_derivation_output_key(
    const psa_key_attributes_t *attributes,
    psa_key_derivation_operation_t *operation,
    mbedtls_svc_key_id_t *key);

psa_status_t psa_key_derivation_verify_bytes(
    psa_key_derivation_operation_t *operation,
    const uint8_t *expected_output,
    size_t output_length);

psa_status_t psa_key_derivation_verify_key(
    psa_key_derivation_operation_t *operation,
    psa_key_id_t expected);

psa_status_t psa_key_derivation_abort(
    psa_key_derivation_operation_t *operation);

psa_status_t psa_raw_key_agreement(psa_algorithm_t alg,
                                   mbedtls_svc_key_id_t private_key,
                                   const uint8_t *peer_key,
                                   size_t peer_key_length,
                                   uint8_t *output,
                                   size_t output_size,
                                   size_t *output_length);

psa_status_t psa_generate_random(uint8_t *output,
                                 size_t output_size);

psa_status_t psa_generate_key(const psa_key_attributes_t *attributes,
                              mbedtls_svc_key_id_t *key);

#ifdef __cplusplus
}
#endif

/* The file "crypto_sizes.h" contains definitions for size calculation
 * macros whose definitions are implementation-specific. */
#include "crypto_sizes.h"

/* The file "crypto_struct.h" contains definitions for
 * implementation-specific structs that are declared above. */
#include "crypto_struct.h"

/* The file "crypto_extra.h" contains vendor-specific definitions. This
 * can include vendor-defined algorithms, extra functions, etc. */
#include "crypto_extra.h"

#endif /* PSA_CRYPTO_H */