/* * Copyright (c) 2018-2021, Arm Limited. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause * */ #include "psa/client.h" #include "tfm_veneers.h" #include "tfm_crypto_defs.h" #include "psa/crypto.h" #include "tfm_ns_interface.h" #define API_DISPATCH(sfn_name, sfn_id) \ tfm_ns_interface_dispatch((veneer_fn)sfn_name##_veneer, \ (uint32_t)in_vec, IOVEC_LEN(in_vec), \ (uint32_t)out_vec, IOVEC_LEN(out_vec)) #define API_DISPATCH_NO_OUTVEC(sfn_name, sfn_id) \ tfm_ns_interface_dispatch((veneer_fn)sfn_name##_veneer, \ (uint32_t)in_vec, IOVEC_LEN(in_vec), \ (uint32_t)NULL, 0) psa_status_t psa_crypto_init(void) { /* Service init is performed during TFM boot up, * so application level initialisation is empty */ return PSA_SUCCESS; } psa_status_t psa_open_key(psa_key_id_t id, psa_key_id_t *key) { const struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_OPEN_KEY_SID, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = &id, .len = sizeof(psa_key_id_t)}, }; psa_outvec out_vec[] = { {.base = key, .len = sizeof(psa_key_id_t)}, }; return API_DISPATCH(tfm_crypto_open_key, TFM_CRYPTO_OPEN_KEY); } psa_status_t psa_close_key(psa_key_id_t key) { const struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CLOSE_KEY_SID, .key_id = key, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; return API_DISPATCH_NO_OUTVEC(tfm_crypto_close_key, TFM_CRYPTO_CLOSE_KEY); } 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) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_IMPORT_KEY_SID, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = attributes, .len = sizeof(psa_key_attributes_t)}, {.base = data, .len = data_length} }; psa_outvec out_vec[] = { {.base = key, .len = sizeof(psa_key_id_t)} }; status = API_DISPATCH(tfm_crypto_import_key, TFM_CRYPTO_IMPORT_KEY); return status; } psa_status_t psa_destroy_key(psa_key_id_t key) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_DESTROY_KEY_SID, .key_id = key, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_destroy_key, TFM_CRYPTO_DESTROY_KEY); return status; } psa_status_t psa_get_key_attributes(psa_key_id_t key, psa_key_attributes_t *attributes) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_GET_KEY_ATTRIBUTES_SID, .key_id = key, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = attributes, .len = sizeof(psa_key_attributes_t)}, }; status = API_DISPATCH(tfm_crypto_get_key_attributes, TFM_CRYPTO_GET_KEY_ATTRIBUTES); return status; } void psa_reset_key_attributes(psa_key_attributes_t *attributes) { struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_RESET_KEY_ATTRIBUTES_SID, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = attributes, .len = sizeof(psa_key_attributes_t)}, }; (void)API_DISPATCH(tfm_crypto_reset_key_attributes, TFM_CRYPTO_RESET_KEY_ATTRIBUTES); return; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_EXPORT_KEY_SID, .key_id = key, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = data, .len = data_size} }; status = API_DISPATCH(tfm_crypto_export_key, TFM_CRYPTO_EXPORT_KEY); *data_length = out_vec[0].len; return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_EXPORT_PUBLIC_KEY_SID, .key_id = key, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = data, .len = data_size} }; status = API_DISPATCH(tfm_crypto_export_public_key, TFM_CRYPTO_EXPORT_PUBLIC_KEY); *data_length = out_vec[0].len; return status; } psa_status_t psa_purge_key(psa_key_id_t key) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_PURGE_KEY_SID, .key_id = key, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_purge_key, TFM_CRYPTO_PURGE_KEY); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_COPY_KEY_SID, .key_id = source_key, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = attributes, .len = sizeof(psa_key_attributes_t)}, }; psa_outvec out_vec[] = { {.base = target_key, .len = sizeof(psa_key_id_t)}, }; status = API_DISPATCH(tfm_crypto_copy_key, TFM_CRYPTO_COPY_KEY); return status; } psa_status_t psa_cipher_generate_iv(psa_cipher_operation_t *operation, unsigned char *iv, size_t iv_size, size_t *iv_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_GENERATE_IV_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, {.base = iv, .len = iv_size}, }; status = API_DISPATCH(tfm_crypto_cipher_generate_iv, TFM_CRYPTO_CIPHER_GENERATE_IV); *iv_length = out_vec[1].len; return status; } psa_status_t psa_cipher_set_iv(psa_cipher_operation_t *operation, const unsigned char *iv, size_t iv_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_SET_IV_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = iv, .len = iv_length}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_cipher_set_iv, TFM_CRYPTO_CIPHER_SET_IV); return status; } psa_status_t psa_cipher_encrypt_setup(psa_cipher_operation_t *operation, psa_key_id_t key, psa_algorithm_t alg) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_ENCRYPT_SETUP_SID, .key_id = key, .alg = alg, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_cipher_encrypt_setup, TFM_CRYPTO_CIPHER_ENCRYPT_SETUP); return status; } psa_status_t psa_cipher_decrypt_setup(psa_cipher_operation_t *operation, psa_key_id_t key, psa_algorithm_t alg) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_DECRYPT_SETUP_SID, .key_id = key, .alg = alg, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_cipher_decrypt_setup, TFM_CRYPTO_CIPHER_DECRYPT_SETUP); return status; } psa_status_t psa_cipher_update(psa_cipher_operation_t *operation, const uint8_t *input, size_t input_length, unsigned char *output, size_t output_size, size_t *output_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_UPDATE_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, {.base = output, .len = output_size} }; status = API_DISPATCH(tfm_crypto_cipher_update, TFM_CRYPTO_CIPHER_UPDATE); *output_length = out_vec[1].len; return status; } psa_status_t psa_cipher_abort(psa_cipher_operation_t *operation) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_ABORT_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_cipher_abort, TFM_CRYPTO_CIPHER_ABORT); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_FINISH_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, {.base = output, .len = output_size}, }; status = API_DISPATCH(tfm_crypto_cipher_finish, TFM_CRYPTO_CIPHER_FINISH); *output_length = out_vec[1].len; return status; } psa_status_t psa_hash_setup(psa_hash_operation_t *operation, psa_algorithm_t alg) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_HASH_SETUP_SID, .alg = alg, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_hash_setup, TFM_CRYPTO_HASH_SETUP); return status; } psa_status_t psa_hash_update(psa_hash_operation_t *operation, const uint8_t *input, size_t input_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_HASH_UPDATE_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_hash_update, TFM_CRYPTO_HASH_UPDATE); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_HASH_FINISH_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, {.base = hash, .len = hash_size}, }; status = API_DISPATCH(tfm_crypto_hash_finish, TFM_CRYPTO_HASH_FINISH); *hash_length = out_vec[1].len; return status; } psa_status_t psa_hash_verify(psa_hash_operation_t *operation, const uint8_t *hash, size_t hash_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_HASH_VERIFY_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = hash, .len = hash_length}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_hash_verify, TFM_CRYPTO_HASH_VERIFY); return status; } psa_status_t psa_hash_abort(psa_hash_operation_t *operation) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_HASH_ABORT_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_hash_abort, TFM_CRYPTO_HASH_ABORT); return status; } psa_status_t psa_hash_clone(const psa_hash_operation_t *source_operation, psa_hash_operation_t *target_operation) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_HASH_CLONE_SID, .op_handle = source_operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = target_operation, .len = sizeof(psa_hash_operation_t)}, }; if (target_operation && (target_operation->handle != 0)) { return PSA_ERROR_BAD_STATE; } status = API_DISPATCH(tfm_crypto_hash_clone, TFM_CRYPTO_HASH_CLONE); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_HASH_COMPUTE_SID, .alg = alg, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, }; psa_outvec out_vec[] = { {.base = hash, .len = hash_size} }; status = API_DISPATCH(tfm_crypto_hash_compute, TFM_CRYPTO_HASH_COMPUTE); *hash_length = out_vec[0].len; return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_HASH_COMPARE_SID, .alg = alg, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, {.base = hash, .len = hash_length}, }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_hash_compare, TFM_CRYPTO_HASH_COMPARE); return status; } psa_status_t psa_mac_sign_setup(psa_mac_operation_t *operation, psa_key_id_t key, psa_algorithm_t alg) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_MAC_SIGN_SETUP_SID, .key_id = key, .alg = alg, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_mac_sign_setup, TFM_CRYPTO_MAC_SIGN_SETUP); return status; } psa_status_t psa_mac_verify_setup(psa_mac_operation_t *operation, psa_key_id_t key, psa_algorithm_t alg) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_MAC_VERIFY_SETUP_SID, .key_id = key, .alg = alg, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_mac_verify_setup, TFM_CRYPTO_MAC_VERIFY_SETUP); return status; } psa_status_t psa_mac_update(psa_mac_operation_t *operation, const uint8_t *input, size_t input_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_MAC_UPDATE_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_mac_update, TFM_CRYPTO_MAC_UPDATE); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_MAC_SIGN_FINISH_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, {.base = mac, .len = mac_size}, }; status = API_DISPATCH(tfm_crypto_mac_sign_finish, TFM_CRYPTO_MAC_SIGN_FINISH); *mac_length = out_vec[1].len; return status; } psa_status_t psa_mac_verify_finish(psa_mac_operation_t *operation, const uint8_t *mac, size_t mac_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_MAC_VERIFY_FINISH_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = mac, .len = mac_length}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_mac_verify_finish, TFM_CRYPTO_MAC_VERIFY_FINISH); return status; } psa_status_t psa_mac_abort(psa_mac_operation_t *operation) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_MAC_ABORT_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_mac_abort, TFM_CRYPTO_MAC_ABORT); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_AEAD_ENCRYPT_SID, .key_id = key, .alg = alg, .aead_in = {.nonce = {0}, .nonce_length = nonce_length} }; /* Sanitize the optional input */ if ((additional_data == NULL) && (additional_data_length != 0)) { return PSA_ERROR_INVALID_ARGUMENT; } size_t idx = 0; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = plaintext, .len = plaintext_length}, {.base = additional_data, .len = additional_data_length}, }; psa_outvec out_vec[] = { {.base = ciphertext, .len = ciphertext_size}, }; if (nonce_length > TFM_CRYPTO_MAX_NONCE_LENGTH) { return PSA_ERROR_INVALID_ARGUMENT; } if (nonce != NULL) { for (idx = 0; idx < nonce_length; idx++) { iov.aead_in.nonce[idx] = nonce[idx]; } } status = API_DISPATCH(tfm_crypto_aead_encrypt, TFM_CRYPTO_AEAD_ENCRYPT); *ciphertext_length = out_vec[0].len; return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_AEAD_DECRYPT_SID, .key_id = key, .alg = alg, .aead_in = {.nonce = {0}, .nonce_length = nonce_length} }; /* Sanitize the optional input */ if ((additional_data == NULL) && (additional_data_length != 0)) { return PSA_ERROR_INVALID_ARGUMENT; } size_t idx = 0; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = ciphertext, .len = ciphertext_length}, {.base = additional_data, .len = additional_data_length}, }; psa_outvec out_vec[] = { {.base = plaintext, .len = plaintext_size}, }; if (nonce_length > TFM_CRYPTO_MAX_NONCE_LENGTH) { return PSA_ERROR_INVALID_ARGUMENT; } if (nonce != NULL) { for (idx = 0; idx < nonce_length; idx++) { iov.aead_in.nonce[idx] = nonce[idx]; } } status = API_DISPATCH(tfm_crypto_aead_decrypt, TFM_CRYPTO_AEAD_DECRYPT); *plaintext_length = out_vec[0].len; return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_SIGN_MESSAGE_SID, .key_id = key, .alg = alg, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, }; psa_outvec out_vec[] = { {.base = signature, .len = signature_size}, }; status = API_DISPATCH(tfm_crypto_sign_message, TFM_CRYPTO_SIGN_MESSAGE); if (status == PSA_SUCCESS) { *signature_length = out_vec[0].len; } return status; } 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) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_VERIFY_MESSAGE_SID, .key_id = key, .alg = alg }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, {.base = signature, .len = signature_length} }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_verify_message, TFM_CRYPTO_VERIFY_MESSAGE); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_SIGN_HASH_SID, .key_id = key, .alg = alg, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = hash, .len = hash_length}, }; psa_outvec out_vec[] = { {.base = signature, .len = signature_size}, }; status = API_DISPATCH(tfm_crypto_sign_hash, TFM_CRYPTO_SIGN_HASH); *signature_length = out_vec[0].len; return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_VERIFY_HASH_SID, .key_id = key, .alg = alg }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = hash, .len = hash_length}, {.base = signature, .len = signature_length} }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_verify_hash, TFM_CRYPTO_VERIFY_HASH); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_ASYMMETRIC_ENCRYPT_SID, .key_id = key, .alg = alg }; /* Sanitize the optional input */ if ((salt == NULL) && (salt_length != 0)) { return PSA_ERROR_INVALID_ARGUMENT; } psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, {.base = salt, .len = salt_length} }; psa_outvec out_vec[] = { {.base = output, .len = output_size}, }; status = API_DISPATCH(tfm_crypto_asymmetric_encrypt, TFM_CRYPTO_ASYMMETRIC_ENCRYPT); *output_length = out_vec[0].len; return status; } 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) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_ASYMMETRIC_DECRYPT_SID, .key_id = key, .alg = alg }; /* Sanitize the optional input */ if ((salt == NULL) && (salt_length != 0)) { return PSA_ERROR_INVALID_ARGUMENT; } psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, {.base = salt, .len = salt_length} }; psa_outvec out_vec[] = { {.base = output, .len = output_size}, }; status = API_DISPATCH(tfm_crypto_asymmetric_decrypt, TFM_CRYPTO_ASYMMETRIC_DECRYPT); *output_length = out_vec[0].len; return status; } psa_status_t psa_key_derivation_get_capacity( const psa_key_derivation_operation_t *operation, size_t *capacity) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_GET_CAPACITY_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = capacity, .len = sizeof(size_t)}, }; status = API_DISPATCH(tfm_crypto_key_derivation_get_capacity, TFM_CRYPTO_KEY_DERIVATION_GET_CAPACITY); return status; } psa_status_t psa_key_derivation_output_bytes( psa_key_derivation_operation_t *operation, uint8_t *output, size_t output_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_OUTPUT_BYTES_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = output, .len = output_length}, }; status = API_DISPATCH(tfm_crypto_key_derivation_output_bytes, TFM_CRYPTO_KEY_DERIVATION_OUTPUT_BYTES); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_INPUT_KEY_SID, .key_id = key, .step = step, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_key_derivation_input_key, TFM_CRYPTO_KEY_DERIVATION_INPUT_KEY); return status; } psa_status_t psa_key_derivation_abort(psa_key_derivation_operation_t *operation) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_ABORT_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_key_derivation_abort, TFM_CRYPTO_KEY_DERIVATION_ABORT); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_KEY_AGREEMENT_SID, .key_id = private_key, .step = step, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = peer_key, .len = peer_key_length}, }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_key_derivation_key_agreement, TFM_CRYPTO_KEY_DERIVATION_KEY_AGREEMENT); return status; } psa_status_t psa_generate_random(uint8_t *output, size_t output_size) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_GENERATE_RANDOM_SID, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = output, .len = output_size}, }; if (output_size == 0) { return PSA_SUCCESS; } status = API_DISPATCH(tfm_crypto_generate_random, TFM_CRYPTO_GENERATE_RANDOM); return status; } psa_status_t psa_generate_key(const psa_key_attributes_t *attributes, psa_key_id_t *key) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_GENERATE_KEY_SID, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = attributes, .len = sizeof(psa_key_attributes_t)}, }; psa_outvec out_vec[] = { {.base = key, .len = sizeof(psa_key_id_t)}, }; status = API_DISPATCH(tfm_crypto_generate_key, TFM_CRYPTO_GENERATE_KEY); return status; } psa_status_t psa_aead_update_ad(psa_aead_operation_t *operation, const uint8_t *input, size_t input_length) { psa_status_t status; status = PSA_ERROR_NOT_SUPPORTED; return status; } 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 status; status = PSA_ERROR_NOT_SUPPORTED; return status; } 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 status; status = PSA_ERROR_NOT_SUPPORTED; return status; } psa_status_t psa_aead_abort(psa_aead_operation_t *operation) { psa_status_t status; status = PSA_ERROR_NOT_SUPPORTED; return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_MAC_COMPUTE_SID, .key_id = key, .alg = alg, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, }; psa_outvec out_vec[] = { {.base = mac, .len = mac_size}, }; status = API_DISPATCH(tfm_crypto_mac_compute, TFM_CRYPTO_MAC_COMPUTE); if (status == PSA_SUCCESS) { *mac_length = out_vec[0].len; } return status; } 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, const size_t mac_length) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_MAC_VERIFY_SID, .key_id = key, .alg = alg, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, {.base = mac, .len = mac_length}, }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_mac_verify, TFM_CRYPTO_MAC_VERIFY); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_ENCRYPT_SID, .key_id = key, .alg = alg, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, }; psa_outvec out_vec[] = { {.base = output, .len = output_size}, }; status = API_DISPATCH(tfm_crypto_cipher_encrypt, TFM_CRYPTO_CIPHER_ENCRYPT); if (status == PSA_SUCCESS) { *output_length = out_vec[0].len; } return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_CIPHER_DECRYPT_SID, .key_id = key, .alg = alg, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = input, .len = input_length}, }; psa_outvec out_vec[] = { {.base = output, .len = output_size}, }; status = API_DISPATCH(tfm_crypto_cipher_decrypt, TFM_CRYPTO_CIPHER_DECRYPT); if (status == PSA_SUCCESS) { *output_length = out_vec[0].len; } return status; } 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) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_RAW_KEY_AGREEMENT_SID, .alg = alg, .key_id = private_key }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = peer_key, .len = peer_key_length}, }; psa_outvec out_vec[] = { {.base = output, .len = output_size}, }; status = API_DISPATCH(tfm_crypto_raw_key_agreement, TFM_CRYPTO_RAW_KEY_AGREEMENT); *output_length = out_vec[0].len; return status; } psa_status_t psa_key_derivation_setup(psa_key_derivation_operation_t *operation, psa_algorithm_t alg) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_SETUP_SID, .alg = alg, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; psa_outvec out_vec[] = { {.base = &(operation->handle), .len = sizeof(uint32_t)}, }; status = API_DISPATCH(tfm_crypto_key_derivation_setup, TFM_CRYPTO_KEY_DERIVATION_SETUP); return status; } psa_status_t psa_key_derivation_set_capacity( psa_key_derivation_operation_t *operation, size_t capacity) { psa_status_t status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_SET_CAPACITY_SID, .capacity = capacity, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_key_derivation_set_capacity, TFM_CRYPTO_KEY_DERIVATION_SET_CAPACITY); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_INPUT_BYTES_SID, .step = step, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = data, .len = data_length}, }; status = API_DISPATCH_NO_OUTVEC(tfm_crypto_key_derivation_input_bytes, TFM_CRYPTO_KEY_DERIVATION_INPUT_BYTES); return status; } 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 status; struct tfm_crypto_pack_iovec iov = { .sfn_id = TFM_CRYPTO_KEY_DERIVATION_OUTPUT_KEY_SID, .op_handle = operation->handle, }; psa_invec in_vec[] = { {.base = &iov, .len = sizeof(struct tfm_crypto_pack_iovec)}, {.base = attributes, .len = sizeof(psa_key_attributes_t)}, }; psa_outvec out_vec[] = { {.base = key, .len = sizeof(psa_key_id_t)} }; status = API_DISPATCH(tfm_crypto_key_derivation_output_key, TFM_CRYPTO_KEY_DERIVATION_OUTPUT_KEY); return status; } psa_status_t psa_aead_encrypt_setup(psa_aead_operation_t *operation, psa_key_id_t key, psa_algorithm_t alg) { psa_status_t status; status = PSA_ERROR_NOT_SUPPORTED; return status; } psa_status_t psa_aead_decrypt_setup(psa_aead_operation_t *operation, psa_key_id_t key, psa_algorithm_t alg) { psa_status_t status; status = PSA_ERROR_NOT_SUPPORTED; return status; } 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 status; status = PSA_ERROR_NOT_SUPPORTED; return status; } psa_status_t psa_aead_set_nonce(psa_aead_operation_t *operation, const uint8_t *nonce, size_t nonce_length) { psa_status_t status; status = PSA_ERROR_NOT_SUPPORTED; return status; } psa_status_t psa_aead_set_lengths(psa_aead_operation_t *operation, size_t ad_length, size_t plaintext_length) { psa_status_t status; status = PSA_ERROR_NOT_SUPPORTED; return status; } 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 status; status = PSA_ERROR_NOT_SUPPORTED; return status; }