crypto.h

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/*
 * Copyright (C) 2021 HAW Hamburg
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdlib.h>
#include <string.h>
 
#include "kernel_defines.h"
 
#if IS_USED(MODULE_PSA_SECURE_ELEMENT_CONFIG)
#include "psa/crypto_se_config.h"
#endif
 
#include "crypto_sizes.h"
#include "crypto_struct.h"
#include "crypto_values.h"
#include "crypto_types.h"

#define PSA_CRYPTO_API_VERSION_MAJOR 1

#define PSA_CRYPTO_API_VERSION_MINOR 1

const char *psa_status_to_humanly_readable(psa_status_t status);

psa_status_t psa_crypto_init(void);
 
#if IS_USED(MODULE_PSA_AEAD) || defined(DOXYGEN)
psa_status_t psa_aead_encrypt(psa_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(psa_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);

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

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

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_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_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);
#endif /* MODULE_PSA_AEAD */
 
#if IS_USED(MODULE_PSA_ASYMMETRIC) || defined(DOXYGEN)
psa_status_t psa_asymmetric_encrypt(psa_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(psa_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);
#endif /* MODULE_PSA_ASYMMETRIC */
 
#if IS_USED(MODULE_PSA_CIPHER) || defined(DOXYGEN)
psa_status_t psa_cipher_abort(psa_cipher_operation_t *operation);

psa_status_t psa_cipher_decrypt(psa_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_setup(psa_cipher_operation_t *operation,
                                      psa_key_id_t key,
                                      psa_algorithm_t alg);

psa_status_t psa_cipher_encrypt(psa_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_encrypt_setup(psa_cipher_operation_t *operation,
                                      psa_key_id_t key,
                                      psa_algorithm_t alg);

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_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);
#endif /* MODULE_PSA_CIPHER */
 
#if IS_USED(MODULE_PSA_KEY_MANAGEMENT) || defined(DOXYGEN)
psa_status_t psa_copy_key(psa_key_id_t source_key,
                          const psa_key_attributes_t *attributes,
                          psa_key_id_t *target_key);

psa_status_t psa_destroy_key(psa_key_id_t key);

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

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

psa_status_t psa_builtin_generate_key(const psa_key_attributes_t *attributes, uint8_t *key_buffer,
                                      size_t key_buffer_size, size_t *key_buffer_length);

psa_status_t psa_generate_key(const psa_key_attributes_t *attributes,
                              psa_key_id_t *key);
#endif /* MODULE_PSA_KEY_MANAGEMENT */

psa_status_t psa_builtin_generate_random(   uint8_t *output,
                                            size_t output_size);

psa_status_t psa_generate_random(uint8_t *output,
                                 size_t output_size);
 
#if IS_USED(MODULE_PSA_KEY_MANAGEMENT) || defined(DOXYGEN)
static inline void psa_set_key_algorithm(psa_key_attributes_t *attributes,
                                         psa_algorithm_t alg)
{
    attributes->policy.alg = alg;
}

static inline psa_algorithm_t psa_get_key_algorithm(const psa_key_attributes_t *attributes)
{
    return attributes->policy.alg;
}

static inline void psa_set_key_bits(psa_key_attributes_t *attributes,
                                    size_t bits)
{
    attributes->bits = bits;
}

static inline size_t psa_get_key_bits(const psa_key_attributes_t *attributes)
{
    return attributes->bits;
}

static inline void psa_set_key_id(psa_key_attributes_t *attributes, psa_key_id_t id)
{
    attributes->id = id;
}

static inline psa_key_id_t psa_get_key_id(const psa_key_attributes_t *attributes)
{
    return attributes->id;
}

static inline void psa_set_key_lifetime(psa_key_attributes_t *attributes,
                                        psa_key_lifetime_t lifetime)
{
    attributes->lifetime = lifetime;
}

static inline psa_key_lifetime_t psa_get_key_lifetime(const psa_key_attributes_t *attributes)
{
    return attributes->lifetime;
}

static inline void psa_set_key_type(psa_key_attributes_t *attributes,
                                    psa_key_type_t type)
{
    attributes->type = type;
}

static inline psa_key_type_t psa_get_key_type(const psa_key_attributes_t *attributes)
{
    return attributes->type;
}

static inline void psa_set_key_usage_flags(psa_key_attributes_t *attributes,
                                           psa_key_usage_t usage_flags)
{
    attributes->policy.usage = usage_flags;
}

static inline psa_key_usage_t psa_get_key_usage_flags(const psa_key_attributes_t *attributes)
{
    return attributes->policy.usage;
}

static inline void psa_reset_key_attributes(psa_key_attributes_t *attributes)
{
    *attributes = psa_key_attributes_init();
}

psa_status_t psa_get_key_attributes(psa_key_id_t key,
                                    psa_key_attributes_t *attributes);
#endif /* MODULE_PSA_KEY_MANAGEMENT */
 
#if IS_USED(MODULE_PSA_HASH) || defined(DOXYGEN)
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_hash_compare(psa_algorithm_t alg,
                              const uint8_t *input,
                              size_t input_length,
                              const uint8_t *hash,
                              size_t hash_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_finish(psa_hash_operation_t *operation,
                             uint8_t *hash,
                             size_t hash_size,
                             size_t *hash_length);

psa_status_t psa_hash_resume(psa_hash_operation_t *operation,
                             const uint8_t *hash_state,
                             size_t hash_state_length);

psa_status_t psa_hash_setup(psa_hash_operation_t *operation,
                            psa_algorithm_t alg);

psa_status_t psa_hash_suspend(psa_hash_operation_t *operation,
                              uint8_t *hash_state,
                              size_t hash_state_size,
                              size_t *hash_state_length);

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

psa_status_t psa_hash_verify(psa_hash_operation_t *operation,
                             const uint8_t *hash,
                             size_t hash_length);
#endif /* MODULE_PSA_HASH */
 
#if IS_USED(MODULE_PSA_KEY_MANAGEMENT) || defined(DOXYGEN)
psa_status_t psa_builtin_import_key(const psa_key_attributes_t *attributes,
                                    const uint8_t *data, size_t data_length,
                                    uint8_t *key_buffer, size_t key_buffer_size,
                                    size_t *key_buffer_length, size_t *bits);

psa_status_t psa_import_key(const psa_key_attributes_t *attributes,
                            const uint8_t *data,
                            size_t data_length,
                            psa_key_id_t *key);
#endif /* MODULE_PSA_KEY_MANAGEMENT */
 
#if IS_USED(MODULE_PSA_KEY_DERIVATION) || defined(DOXYGEN)
psa_status_t psa_key_derivation_abort(psa_key_derivation_operation_t *operation);

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

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,
                                          psa_key_id_t key);

psa_status_t psa_key_derivation_key_agreement(psa_key_derivation_operation_t *operation,
                                              psa_key_derivation_step_t step,
                                              psa_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,
                                           psa_key_id_t *key);

psa_status_t psa_key_derivation_set_capacity(psa_key_derivation_operation_t *operation,
                                             size_t capacity);

psa_status_t psa_key_derivation_setup(psa_key_derivation_operation_t *operation,
                                      psa_algorithm_t alg);

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);
#endif /* PSA_CRYPTO_KEY_DERIVATION */
 
#if IS_USED(MODULE_PSA_MAC) || defined(DOXYGEN)
psa_status_t psa_mac_abort(psa_mac_operation_t *operation);

psa_status_t psa_mac_compute(psa_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_sign_finish(psa_mac_operation_t *operation,
                                 uint8_t *mac,
                                 size_t mac_size,
                                 size_t *mac_length);

psa_status_t psa_mac_sign_setup(psa_mac_operation_t *operation,
                                psa_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_verify(psa_key_id_t key,
                            psa_algorithm_t alg,
                            const uint8_t *input,
                            size_t input_length,
                            const uint8_t *mac,
                            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_verify_setup(psa_mac_operation_t *operation,
                                  psa_key_id_t key,
                                  psa_algorithm_t alg);
#endif /* MODULE_PSA_MAC */
 
#if IS_USED(MODULE_PSA_KEY_MANAGEMENT) || defined(DOXYGEN)
psa_status_t psa_purge_key(psa_key_id_t key);
#endif /* MODULE_PSA_KEY_MANAGEMENT */
 
#if IS_USED(MODULE_PSA_KEY_AGREEMENT) || defined(DOXYGEN)
psa_status_t psa_raw_key_agreement(psa_algorithm_t alg,
                                   psa_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);
#endif /* MODULE_PSA_KEY_AGREEMENT */
 
#if IS_USED(MODULE_PSA_ASYMMETRIC) || defined(DOXYGEN)
psa_status_t psa_sign_hash(psa_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_sign_message(psa_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_hash(psa_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_verify_message(psa_key_id_t key,
                                psa_algorithm_t alg,
                                const uint8_t *input,
                                size_t input_length,
                                const uint8_t *signature,
                                size_t signature_length);
#endif /* MODULE_PSA_ASYMMETRIC */
 
#ifdef __cplusplus
}
#endif